FL-925 – Side Air Intake Cover May Detach – 2021-2023 Western Star 47X, 2020-2023 Western Star 49X, & 2021-2022 Western Star 57X

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Amended Defect Information Report (Section 573.6) FL-925 Date of Submission: 05/12/2022 Manufacturer: Daimler Truck North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2020 Model Yr. End: 2023 Make: Western Star Model: 47X, 49X & 57X Production Dates: Begin: 03/19/2019 End: 04/01/2022 Descriptive Information: On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Basis for Determination of the Recall Population: Vehicles built with a particular side air-intake cover piece. Number potentially involved: 2294 Estimated percentage of involved with defect: 1% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. Describe the safety risk: If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Identify any warning, which can precede or occur: N/A If applicable, identify the manufacture of the defective or noncompliant component. N/A Involved Components Component Name: Hood Intake Covers Component Description: Hood Mounted Intake Stainless Steel Cover Component Part Number: A17-21823-000, A17-21823-001, A17-21823-002, A17-21823-003, A17-21823-004, A17-21823-005, A17-21823-006 & A17-21823-007 Supplier Identification: Component Manufacturer: Name: Creative Liquid Coatings Address: 12117 CR Koon Highway Newberry, SC 29108 Country: United States of America Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers de-bonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 27, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2294 to 2291. On May 12, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2291 to 2294 & Production Begin date from 03/09/2019 to 03/19/2019. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Begin Date: 06/05/2022 Planned Dealer Notification End Date: 06/05/2022 Planned Owner Notification Begin Date: 06/05/2022 Planned Owner Notification End Date: 06/05/2022 Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): FL-925 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Amended Defect Information Report (Section 573.6) FL-925 Date of Submission: 04/27/2022 Manufacturer: Daimler Truck North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2020 Model Yr. End: 2023 Make: Western Star Model: 47X, 49X & 57X Production Dates: Begin: 03/09/2019 End: 04/01/2022 Descriptive Information: On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Basis for Determination of the Recall Population: Vehicles built with a particular side air-intake cover piece. Number potentially involved: 2291 Estimated percentage of involved with defect: 1% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. Describe the safety risk: If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Identify any warning, which can precede or occur: N/A If applicable, identify the manufacture of the defective or noncompliant component. N/A Involved Components Component Name: Hood Intake Covers Component Description: Hood Mounted Intake Stainless Steel Cover Component Part Number: A17-21823-000, A17-21823-001, A17-21823-002, A17-21823-003, A17- 21823-004, A17-21823-005, A17-21823-006 & A17-21823-007 Supplier Identification: Component Manufacturer: Name: Creative Liquid Coatings Address: 12117 CR Koon Highway Newberry, SC 29108 Country: United States of America Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers de-bonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 27, 2022, upon review of production vehicles, DTNA reasonably adjusted the recall population from 2294 to 2291. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Begin Date: 06/05/2022 Planned Dealer Notification End Date: 06/05/2022 Planned Owner Notification Begin Date: 06/05/2022 Planned Owner Notification End Date: 06/05/2022 Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): FL-925 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Amended Defect Information Report (Section 573.6) FL-925 Date of Submission: 05/27/2022 Manufacturer: Daimler Truck North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2020 Model Yr. End: 2023 Make: Western Star Model: 47X, 49X & 57X Production Dates: Begin: 03/19/2019 End: 04/01/2022 Descriptive Information: On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Basis for Determination of the Recall Population: Vehicles built with a particular side air-intake cover piece. Number potentially involved: 2284 Estimated percentage of involved with defect: 1% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. Describe the safety risk: If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Identify any warning, which can precede or occur: N/A If applicable, identify the manufacture of the defective or noncompliant component. N/A Involved Components Component Name: Hood Intake Covers Component Description: Hood Mounted Intake Stainless Steel Cover Component Part Number: A17-21823-000, A17-21823-001, A17-21823-002, A17-21823-003, A17-21823-004, A17-21823-005, A17-21823-006 & A17-21823-007 Supplier Identification: Component Manufacturer: Name: Creative Liquid Coatings Address: 12117 CR Koon Highway Newberry, SC 29108 Country: United States of America Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers de-bonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 27, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2294 to 2291. On May 12, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2291 to 2294 & Production Begin date from 03/09/2019 to 03/19/2019. On May 27, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2294 to 2284. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Begin Date: 06/05/2022 Planned Dealer Notification End Date: 06/05/2022 Planned Owner Notification Begin Date: 06/05/2022 Planned Owner Notification End Date: 06/05/2022 Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): FL-925 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Amended Defect Information Report (Section 573.6) FL-925 Date of Submission: 04/14/2022 Manufacturer: Daimler Truck North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2020 Model Yr. End: 2023 Make: Western Star Model: 47X, 49X & 57X Production Dates: Begin: 03/09/2019 End: 04/01/2022 Descriptive Information: On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Basis for Determination of the Recall Population: Vehicles built with a particular side air-intake cover piece. Number potentially involved: 2294 Estimated percentage of involved with defect: 1% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. Describe the safety risk: If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Identify any warning, which can precede or occur: N/A If applicable, identify the manufacture of the defective or noncompliant component. N/A Involved Components Component Name: Hood Intake Covers Component Description: Hood Mounted Intake Stainless Steel Cover Component Part Number: A17-21823-000, A17-21823-001, A17-21823-002, A17-21823-003, A17-21823-004, A17-21823-005, A17-21823-006 & A17-21823-007 Supplier Identification: Component Manufacturer: Name: Creative Liquid Coatings Address: 12117 CR Koon Highway Newberry, SC 29108 Country: United States of America Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers de-bonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 14 2022, upon review of production vehicles, DTNA reasonably adjusted the recall population from 2288 to 2294. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Begin Date: 06/05/2022 Planned Dealer Notification End Date: 06/05/2022 Planned Owner Notification Begin Date: 06/05/2022 Planned Owner Notification End Date: 06/05/2022 Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): FL-925 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Internal Defect / Noncompliance Information Report (Section 573.6) FL-925 Date of Submission: 04/07/2022 Manufacturer: Daimler Truck North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2020 Model Yr. End: 2023 Make: Western Star Model: 47X, 49X & 57X Production Dates: Begin: 03/09/2019 End: 04/01/2022 Descriptive Information: On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Basis for Determination of the Recall Population: Vehicles built with a particular side air-intake cover piece. Number potentially involved: 2288 Estimated percentage of involved with defect: 1% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. Describe the safety risk: If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a road hazard. Internal Identify any warning which can precede or occur: N/A If applicable, identify the manufacture of the defective or noncompliant component. N/A Involved Components Component Name: Hood Intake Covers Component Description: Hood Mounted Intake Stainless Steel Cover Component Part Number: A17-21823-000, A17-21823-001, A17-21823-002, A17-21823-003, A17-21823-004, A17-21823-005, A17-21823-006 & A17-21823-007 Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers de-bonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. Internal Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Begin Date: 06/05/2022 Planned Dealer Notification End Date: 06/05/2022 Planned Owner Notification Begin Date: 06/05/2022 Planned Owner Notification End Date: 06/05/2022 Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): FL-925 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Daimler Truck North America LLC May 2022 IMPORTANT SAFETY RECALL See enclosed VIN list FL925 Interim Recall Notice NHTSA #22V-227 Subject: Western Star 43N Hood Side Intake Cover This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Daimler Truck North America LLC (DTNA), on behalf of its wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists in certain model years 2020-2023 Western Star 47X, 49X and 57X vehicles manufactured March 19, 2019 through April 1, 2022. On the affected vehicles, the hood side intake stainless steel cover may loosen and detach causing a road hazard, which can increase the risk of a crash. This is the first of two notices you will receive regarding this subject. This letter is to inform you of an upcoming Recall to correct the issue noted above. Daimler Trucks is currently securing replacement parts. There is no action for you to take at this time. The second notice will inform you when the final remedy is available. When you receive the second notice, please contact your authorized Daimler Truck North America dealer to schedule the Recall for your vehicle. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address [email protected]. For other concerns, you may contact the Customer Assistance Center at (800) 385-4357. If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or go to http://www.safercar.gov. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Truck North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone Daimler Truck North America LLC Mai 2022 FL925 Avis de rappel intermédiaire Transports Canada nº 2022-171 Objet : Couverture d’admission latérale du capot sur les véhicules Western Star 43N Le présent avis vous est envoyé conformément aux exigences de la Loi sur la sécurité automobile. La présente a pour but de vous informer que votre véhicule est susceptible d’avoir un défaut qui pourrait porter atteinte à la sécurité humaine. Au nom de sa filiale en propriété exclusive Western Star Truck Sales Inc., Daimler Truck North America LLC (DTNA), a déterminé qu’une défectuosité liée à la sécurité des véhicules à moteur existe dans certains véhicules Western Star 47X, 49X et 57X des années modèles 2020 à 2023 construits entre le 19 mars 2019 et le 1er avril 2022. Sur les véhicules concernés, le couvercle en acier inoxydable de l’admission latérale du capot peut se desserrer et se détacher, provoquant un danger routier, ce qui peut augmenter le risque d’accident. Ceci est le premier de deux avis que vous recevrez à ce sujet. Le but de cette lettre est de vous informer d’un rappel à venir pour corriger le problème mentionné ci-dessus. Daimler Truck est actuellement en train de se procurer des pièces de rechange. Aucune action n’est nécessaire pour l’instant. Le deuxième avis vous informera quand la solution définitive pour y remédier sera disponible. Lorsque vous recevez le deuxième avis, veuillez communiquer avec votre concessionnaire autorisé Daimler Truck North America, afin de prendre les dispositions nécessaires pour le rappel de votre véhicule. Si vous n’êtes pas le propriétaire du ou des véhicules dont les numéros d’identification apparaissent sur l’avis de rappel, veuillez retourner l’avis au Service des campagnes de garanties avec tous les renseignements dont vous disposez qui pourraient nous aider à identifier le propriétaire actuel. Le loueur est également tenu par la loi fédérale de faire parvenir cet avis au locataire dans les 10 jours. Si vous êtes un fabricant secondaire, la loi fédérale exige que vous fassiez suivre cet avis à vos distributeurs et détaillants dans les cinq jours ouvrables. Si vous avez des questions sur cet avis de rappel, veuillez communiquer avec le Service des campagnes de garantie au 1-800-547-0712 de 7 h 00 à 16 h 00, heure du Pacifique, du lundi au vendredi ou par courriel à [email protected]. Pour toute autre question, vous pouvez communiquer avec le centre d’assistance à la clientèle en composant le 1-800-385-4357. Si vous avez une préoccupation en matière de sécurité concernant ce rappel, vous êtes invités à communiquer avec Transports Canada – Sécurité routière au 80, rue Noël, Gatineau, Québec, J8Z 0A1 ou composer le 1-800-333-0510. Nous sommes désolés pour tout inconvénient pouvant résulter de cette activité, mais nous sommes certains que vous comprenez notre intérêt dans la sécurité des véhicules motorisés. SERVICE DES CAMPAGNES DE GARANTIE Pièce jointe Daimler Truck North America LLC Service des campagnes de garantie P.O. Box 4090 Portland, OR 97208-4090 Téléphone : 1-800-547-0712

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Daimler Truck North America LLC IMPORTANT SAFETY RECALL See enclosed VIN list August 2022 FL925A NHTSA #22V-227 Daimler Truck North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone Subject: Western Star Hood Side Intake Cover This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Daimler Truck North America LLC (DTNA), on behalf of its wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists in certain model Years 2020-2023 Western Star 47X, 49X and 57X vehicles manufactured March 19, 2019, through April 1, 2022. On the affected vehicles, the hood side intake stainless steel cover may loosen and detach causing a road hazard, which can increase the risk of a crash. Side intake covers will be removed and replaced with new parts accordingly. Repairs will be performed by Daimler Truck North America authorized service facilities. This is the second notice regarding this recall. The final recall repair is now available and parts have been secured. Please contact an authorized Daimler Truck North America dealer to arrange to have the Recall performed and to ensure that parts are available at the dealership. To locate an authorized dealer, search online at Daimler-TrucksNorthAmerica.com/Contact-us. Scroll down to “Locate a Dealer” and select the appropriate brand. The Recall will take approximately one hour and will be performed at no charge to you. You may also confirm your vehicle’s involvement in this recall at this URL: https://dtna-dlrinfo.prd.freightliner.com:48518/VinLookup/vinmodule/getVinLookupPage. You may be liable for any progressive damage that results from your failure to complete the Recall within a reasonable time after receiving notification. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have paid to have this recall condition corrected prior to this notice, you may be eligible to receive reimbursement. Please see the reverse side of this notice for details. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address [email protected]. For other concerns, you may contact the Customer Assistance Center at (800) 385-4357. If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or go to http://www.safercar.gov. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Truck North America LLC Reimbursement to Customers for Repairs Performed Prior to Recall If you have already paid to have this recall condition corrected you may be eligible to receive reimbursement. Requests for reimbursement may include parts and labor. Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Daimler Truck North America LLC dealer. The following documentation must be presented to your dealer for consideration for reimbursement. Please provide original or clear copies of all receipts, invoices, and repair orders that show: • The name and address of the person who paid for the repair. • The Vehicle Identification Number (VIN) of the vehicle that was repaired. • What problem occurred, what repair was done, when the repair was done. • Who repaired the vehicle. • The total cost of the repair expense that is being claimed. • Proof of payment for the repair (such as the front and back of a cancelled check or a credit card receipt). Reimbursement will be made by check from your Daimler Truck North America LLC dealer. Please speak with your Daimler Truck North America LLC authorized dealer concerning this matter Daimler Truck North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone

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Subject: Western Star Hood Side IntakeCover General Information Daimler Truck North America LLC (DTNA), on behalf of its wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists on the vehicles mentioned above. On the affected vehicles, the hood side intake stainless steel cover may loosen and detach causing a road hazard, which can increase the risk of a crash. There are approximately 3,181 vehicles involved in this campaign. Additional Repairs Dealers must complete all outstanding Recall and Field Service campaigns prior to the sale or delivery of a vehicle. A Dealer will be liable for any progressive damage that results from its failure to complete campaigns before sale or delivery of a vehicle. Owners may be liable for any progressive damage that results from failure to complete campaigns within a reasonable time after receiving notification. Work Instructions Please refer to the attached work instructions. Prior to performing the campaign, check the vehicle for a completion sticker (Form WAR260). Replacement Parts Replacement parts are now available and can be obtained by ordering the kit and/or part number(s) listed below from your facing Parts Distribution Center. If our records show your dealership has ordered any vehicle(s) involved in campaign number FL925, a list of the customers and vehicle identification numbers will be available on DTNAConnect. Please refer to this list when ordering parts for this recall. Table 1 – Replacement Parts for FL925 Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 1 Models Affected: Specific model years 2020-2023 Western Star 47X, 49X and 57X vehicles manufacturedMarch 19, 2019, through April 1, 2022. Campaign Number Part Description Part Number Qty per Air Intake. FL925AB Air Intake Riveting 053-007-014, RIVET 23-10000-601 3 ea WASHER-FLAT SST 8 23-10900-028 3 ea RETAINER-PUSH-ON,ROUND PART AUV 8868 3 ea BADGE-AIR INTAKE,WST A22-75682-003 1 ea TIE STRAP-W FIR TREE MOUNT 23-13482-001 1 ea FL925A Air Intake Replacement INTAKE-AIR,HD MTD,WST,LH,LI A17-21823-004 1 ea INTAKE-AIR,HD MTD,WST,RH,L A17-21823-005 1 ea FL925B Air Intake Replacement INTAKE-AIR,HD MTD,WST,LH,BLANK A17-21823-006 1 ea INTAKE-AIR,HD MTD,WST,RH,BLANK A17-21823-007 1 ea FL925AB BLANK COMPLETION STICKER WAR260 1 ea Table 1 Side intake covers will be removed and replaced with new parts accordingly. The failure rate of the intake cover missing is less than three percent. Please do not pre-order the intakes before inspecting the vehicles. IMPORTANT: When the Recall has been completed, locate the base completion label in the appropriate location on the vehicle, and attach the red completion sticker provided in the recall kit (Form WAR260). If the vehicle does not have a base completion label, clean a spot on the appropriate location of the vehicle and first attach the base completion label (Form WAR259). If a recall kit is not required or there is no completion sticker in the kit, write the recall number on a blank sticker and attach it to the base completion label. Claims for Credit You will be reimbursed for your parts, labor, and handling (landed cost for Export Distributors) by submitting your claim through the Warranty system within 30 days of completing this campaign. Please reference the following information in OWL: • Claim type is Recall Campaign. • In the Campaign field, enter the campaign number and appropriate condition code (FL925-A). • In the Primary Failed Part Number field, enter 25-FL925-000. • In the Parts field, enter the appropriate kit or part number(s) as shown in the Replacement Parts Table. • In the Labor field, first enter the appropriate SRT from the Labor Allowance Table. Administrative time will be included automatically as SRT 939-6010A for 0.3 hours. • The VMRS Component Code is F99-999-005 and the Cause Code is A1 – Campaign. • U.S. and Canada — Reimbursement for Prior Repairs. When a customer asks about reimbursement, please do the following: • Accept the documentation of the previous repair. • Make a brief check of the customer’s paperwork to see if the repair may be eligible for reimbursement. (See the “Copy of Owner Letter” section of this bulletin for reimbursement guidelines.) • Submit an OWL Recall Pre-Approval Request for a decision. • Include the approved amount on your claim in the Other Charges section. • Attach the documentation to the pre-approval request. • If approved, submit a based on claim for the pre-approval. • Reimburse the customer the appropriate amount. IMPORTANT: OWL must be viewed prior to performing the recall to ensure the vehicle is involved and the campaign has not been previously completed. Also, check for a completion sticker prior to beginning work. Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Removed Parts U.S. and Canadian Dealers, please follow Warranty Failed Parts Tracking shipping instructions for the disposition of all removed parts. Export distributors, please destroy removed parts unless otherwise advised. Labor Allowance Table 2 – Labor Allowance Page 2 Campaign Number Procedure Time Allowed (hours) SRT Code Corrective Action FL925AB Replace both air intake 0.3 996-R148A 12-Repair Recall/Campaign Both air intake rivet install 1.0 996-R148B 12-Repair Recall/Campaign One air intake replaced and riveted 0.8 996-R148C 12-Repair Recall/Campaign Table 2 Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 U.S. and Canadian dealers, contact the Warranty Campaigns Department via Web inquiry at DTNAConnect.com/WSC, if you have any questions or need additional information. Export distributors, submit a Web inquiry or contact your International Service Manager. U.S. and Canadian Dealers: To return excess kit inventory related to this campaign, U.S. dealers must submit a Parts Authorization Return (PAR) to the Memphis PDC. Canadian dealers must submit a PAR to their facing PDC. All kits must be in resalable condition. PAR requests must include the original purchase invoice number. Export Distributors: Excess inventory is not returnable. The letter notifying U.S. and Canadian vehicle owners is included for your reference. Please note that the National Traffic and Motor Vehicle Safety Act, as amended (Title 49, United States Code, Chapter 301), requires the owner’s vehicle(s) be corrected within a reasonable time after parts are available to you. The Act states that failure to repair a vehicle within 60 days after tender for repair shall be prima facie evidence of an unreasonable time. However, circumstances of a particular situation may reduce the 60 day period. Failure to repair a vehicle within a reasonable time can result in either the obligation to (a) replace the vehicle with an identical or reasonably equivalent vehicle, without charge, or (b) refund the purchase price in full, less a reasonable allowance for depreciation. The Act further prohibits dealers from selling a vehicle unless all outstanding recalls are performed. Any lessor is required to send a copy of the recall notification to the lessee within 10 days. Any subsequent stage manufacturer is required to forward this notice to its distributors and retail outlets within five working days. Page 3 Copy of Notice to Owners Subject: Western Star HoodSide IntakeCover For the Notice to U.S. Customers: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. For the Notice to Canadian Customers: This notice is sent to you in accordance with the requirements of the Motor Vehicle Safety Act. This is to inform you that your vehicle may contain a defect that could affect the safety of a person. On the affected vehicles, the hood side intake stainless steel cover may de-bond and fall during operation causing road debris, and increasing the risk of a crash. Side intake covers will be removed and replaced with new parts accordingly. Repairs will be performed by Daimler Truck North America authorized service facilities. You may be liable for any progressive damage that results from your failure to complete the Recall within a reasonable time after receiving notification. If you do not own the vehicle that corresponds to the identification number(s) which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department in the postage-paid envelope with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have paid to have this recall condition corrected prior to this notice, you may be eligible to receive reimbursement. Please see the reverse side of this notice for details. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address [email protected]. For the Notice to U.S. Customers: If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or to http://www.safercar.gov. For the Notice to Canadian Customers: If you wish to submit a complaint about this recall, you can contact Transport Canada road safety, 80 rue Noel, Gatineau, Quebec J8Z 0A1 or call (800) 333-0510. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 4 Please contact an authorized Daimler Truck North America dealer to arrange to have the Recall performed and to ensure that parts are available at the dealership. The Recall will take approximately one hour and will be performed at no charge to you. To locate an authorized dealer, search online at https:// northamerica.daimlertruck.com/contact-us/. Scroll down to “Locate a Dealer,” and select the appropriate brand. You may also confirm your vehicle’s involvement in this recall at this URL: https:// dtna-dlrinfo.prd.freightliner.com:48518/VinLookup/vin-module/getVinLookupPage. Daimler Truck North America LLC (DTNA), on behalf of its wholly owned subsidiary, Western Star Truck Sales, Inc., has decided that a defect which relates to motor vehicle safety exists on specific model years 2020-2023 Western Star 47X, 49X and 57X vehicles manufactured March 19, 2019, through April 1, 2022. Reimbursement to Customers for Repairs Performed Prior to Recall If you have already paid to have this recall condition corrected you may be eligible to receive reimbursement. Requests for reimbursement may include parts and labor. Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Daimler Truck North America LLC dealer. The following documentation must be presented to your dealer for consideration for reimbursement. Please provide original or clear copies of all receipts, invoices, and repair orders that show: • The name and address of the person who paid for the repair • The Vehicle Identification Number (VIN) of the vehicle that was repaired • What problem occurred, what repair was done, when the repair was done • Who repaired the vehicle • The total cost of the repair expense that is being claimed • Proof of payment for the repair (such as the front and back of a cancelled check or a credit card receipt) Reimbursement will be made by check from your Daimler Truck North America LLC dealer. Please speak with your Daimler Truck North America LLC authorized dealer concerning this matter. Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 5 Work Instructions Subject: WesternStar HoodSide IntakeCover Side Air Intake Cover Removal and Replacement Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 6 Models Affected: Specific model years 2020-2023 Western Star 47X, 49X and 57X vehicles manufacturedMarch 19, 2019, through April 1, 2022. 1. Check the base label (Form WAR259) for a completion sticker for FL925 (Form WAR261) indicating this work has been done. The base label is usually located on the passenger door about 12 inches (30 cm) below the door latch. If a sticker is present, no work is needed. If there is no sticker, proceed with the next step. 2. Park the vehicle on a level surface, shut down the engine, and set the parking brake. Chock the tires. 3. Check if either of the chrome side air intake covers are missing. • If both the side air intake covers are missing: • Use the parts list (see Table 1 ) and repair for 996-R148A (see Table 2 ). • Order the side air intake assembly from the parts distribution center (PDC) and replace both the side air intake assemblies. For instructions to replace the air intake assembly, see steps 4 through 9. Do not rivet any new air intakes. • Attach a campaign completion sticker. For detailed instructions, go to step 31. • If both the side air intake covers are intact (not missing): • Use the parts list (see Table 1 ) and repair for 996-R148B (see Table 2 ). • Install the rivets as instructed in steps 4 through 31. • If any one side air intake cover is missing and the other is intact: • Order the required air intake assembly (LH or RH) and replace the particular air intake assembly. For instructions to replace the air intake assembly, see steps 4 through 9. Do not rivet the new air intake. • On the air intake which has the side air intake cover intact, use the parts list (see Table 1 ) and repair for 996-R148C (see Table 2 ). • Install the rivets as instructed in steps 4 through 31. 4. Open the hood and lock the hood tilt-assist strut, if so equipped. 5. Of the four screws that attach the side air intake cover to the hood, first remove the two screws that are located inside the hood. See Fig. 1. 08/10/2020 f880979 1 2 3 1. Hood Outer Panel 2. Hood Inner Reinforcement 3. Screws Fig. 1, Inner Screws, Left Hand Side Air Intake Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 7 5. Of the four screws that attach the side air intake cover to the hood, first remove the two screws that are located inside the hood. See Fig. 1. 08/10/2020 f880980 1 2 3 1. Hood Outer Panel 2. Side Air Intake Cover 3. Screws Fig. 2, Left Hand Side Air Intake Cover 6. Unlock the hood tilt-assist strut, if so equipped, then close the hood. 7. Remove the two screws located outside of the hood that attach the side air intake cover. See Fig. 2. 06/14/2022 f881046 A A. Create a 30-degree opening between the trailing edge of the intake and the hood. Fig. 3, Side Air Intake Cover Removal Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 8 8. Create a 30-degree opening between the trailing edge of the intake and the hood to release the tabs at the leading edge. See Fig. 3. Remove the side air intake cover from the vehicle. 06/15/2022 f881047 2 1 1. Directional Marker Lamp Electrical Connector 2. Fir-Tree Fastener and Tie Strap Fig. 4, Directional Marker Lamp Wiring Harness Removal Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 9 9. If so equipped, disconnect the directional marker lamp electrical connector, then remove the fir-tree fastener and the tie strap that attach the wiring harness to the air intake carrier. See Fig. 4. 10. Set the side air intake assembly on a work bench. Place a shop towel or some other soft protective material to avoid scratching the stainless steel air intake cover. 11. Remove the four fasteners that attach the grille assembly to the side air intake assembly, then remove the grille assembly. See Fig. 5. 06/15/2022 f881048 1 2 4 3 1. Directional Marker Lamp 2. Side Air Intake Assembly 3. Mounting Fasteners 4. Grille Assembly Fig. 5, Grille Assembly Removal 12. Set the grille and the directional marker lamp (if so equipped) aside. NOTE: The pegs of the air intake badge may or may not detach along with the retaining washers. 13. Use a suitable pick tool or a flat-tip screwdriver to remove the three air intake badge retaining washers from the air intake carrier. See Fig. 6. Tilt the air intake off the work surface to allow the air intake badge to have enough space to be released from the air intake cover. Use a punch of the size similar to the inside diameter of the pegs and a hammer to tap the three pegs off the air intake cover. 06/14/2022 f881049 Fig. 6, Retaining Washer Removal Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 10 14. The air intake badge would be glued and double side taped to the air intake cover. The backing strips on the double-sided tape may or may not have been removed by the supplier during manufacturing. Figure 7 shows the glue locations and the double-sided tape locations with the backing strips still in place. 06/14/2022 f881050 1 2 1 3 4 1. Double-Sided Tape Locations 2. Air Intake Cover 3. Glue Locations 4. Air Intake Badge Fig. 7, Glue and Tape Locations 15. Discard the air intake badge. 16. Print the attached Western Star logo template (located in the last page). Make sure the template is the exact size of the air intake badge and/or use the dimensions provided to drill the hole. IMPORTANT: Before placing the template on the air intake cover, scrape any remaining glue off the air intake cover so the glue does not interfere with the template. 17. Cut out the template and set into place. Align the air intake badge peg holes. NOTICE Make sure the drill bit is sharp. A dull bit can walk on the stainless steel and cause visible scratches or damage to the steel surface. 18. Center punch the rivet locations, then use a 3/16-inch drill bit to drill three holes through both the air intake cover and the air intake carrier. See Fig. 8. Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 11 19. Deburr the drilled holes on the air intake carrier. 20. Install three rivets into the drilled holes, with washers installed on the air intake carrier side. See Fig. 9. 06/14/2022 f881051 A A A A. Drill three holes using a 3/16-inch drill bit. Fig. 8, Drilling Holes into the Air Intake Cover 06/14/2022 f881052 A A A A. Install the rivets into the drilled holes. Fig. 9, Rivet Installation 23. Use a hammer to flatten the new retaining washers on a hard surface if necessary. See Fig. 11. 06/14/2022 f881053 1 2 3 1. Double-Sided Tape 2. Air Intake Badge 3. Backing Strip Fig. 10, Backing Strip Removal from the Double-Sided Tape 06/14/2022 f881054 1 2 1. Flattened Washer 2. Unflattened Washer Fig. 11, Flattening the Retaining Washers Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 12 21. Clean the air intake cover surface where the double-sided tape of the air intake badge would contact. 22. Remove the backing strip of the double-sided tape, then install the new air intake badge onto the air intake cover. Press it firmly into place. See Fig. 10. 06/14/2022 f881055 Fig. 12, Retaining Washer Installation Daimler Truck North America LLC Recall Campaign August 2022 FL925A NHTSA #22V-227 Transport Canada #2022-171 Page 13 24. Use a socket of similar size to the diameter of the retaining washer and a hammer to install the three retaining washers onto the air intake badge pegs, as shown in Fig. 12. Make sure the retaining washers have properly engaged with the pegs. 25. Install the directional marker lamp, if so equipped. 26. Install the grille assembly on the air intake. Tighten the fasteners 42 to 54 lbf·in (475 to 610 N·cm). Do not overtighten, as that could damage the plastic grille. 27. If so equipped, connect the directional marker lamp electrical connector and secure the harness using a firtree fastener and a tie strap as necessary. 28. Install the intake assembly onto the hood, as removed. Tighten the fasteners 42 to 54 lbf·in (475 to 610 N·cm). 29. Unlock the hood tilt-assist strut, if so equipped, then close the hood. 30. Test the directional marker lamp for proper operation. 31. Clean a spot on the base label (Form WAR259) write the recall number, FL925, on a red completion sticker (Form WAR260), and attach it to the base label to indicate this work has been completed.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-227 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : MAY 12, 2022 NHTSA Recall No. : 22V-227 Manufacturer Recall No. : FL-925 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 2,294 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2021-2023 Western Star 47X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : MAR 19, 2019 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2023 Western Star 49X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : MAR 19, 2019 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-227 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2022 Western Star 57X Vehicle Type : Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : AUG 20, 2020 – DEC 20, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : Hood Intake Covers Component Description : Hood Mounted Intake Stainless Steel Cover Component Part Number : A17-21823-000 Thru 007 Supplier Identification : Component Manufacturer Name : Creative Liquid Coatings Address : 12117 CR Koon Highway Newberry South Carolina 29108 Country : United States Part 573 Safety Recall Report 22V-227 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Chronology : On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers debonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 27, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2294 to 2291. On May 12, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2291 to 2294 & Production Begin date from 03/09/2019 to 03/19/2019. Description of Remedy : Description of Remedy Program : Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Date : JUN 05, 2022 – JUN 05, 2022 Planned Owner Notification Date : JUN 05, 2022 – JUN 05, 2022 Part 573 Safety Recall Report 22V-227 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-227 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : APR 07, 2022 NHTSA Recall No. : 22V-227 Manufacturer Recall No. : FL-925 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 2,288 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2021-2023 Western Star 47X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : JUL 08, 2020 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2023 Western Star 49X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : MAR 19, 2019 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-227 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2022 Western Star 57X Vehicle Type : Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : AUG 20, 2020 – DEC 20, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a road hazard. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : Hood Intake Covers Component Description : Hood Mounted Intake Stainless Steel Cover Component Part Number : A17-21823-000 Thru 007 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Part 573 Safety Recall Report 22V-227 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Chronology : On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers de-bonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. Description of Remedy : Description of Remedy Program : Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Date : JUN 05, 2022 – JUN 05, 2022 Planned Owner Notification Date : JUN 05, 2022 – JUN 05, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-227 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : APR 14, 2022 NHTSA Recall No. : 22V-227 Manufacturer Recall No. : FL-925 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 2,294 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2021-2023 Western Star 47X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : JUL 08, 2020 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2023 Western Star 49X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : MAR 19, 2019 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-227 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2021-2022 Western Star 57X Vehicle Type : Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : AUG 20, 2020 – DEC 20, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : Hood Intake Covers Component Description : Hood Mounted Intake Stainless Steel Cover Component Part Number : A17-21823-000 Thru 007 Supplier Identification : Component Manufacturer Name : Creative Liquid Coatings Address : 12117 CR Koon Highway Newberry South Carolina 29108 Country : United States Part 573 Safety Recall Report 22V-227 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Chronology : On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers debonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 14 2022, upon review of production vehicles, DTNA reasonably adjusted the recall population from 2288 to 2294. Description of Remedy : Description of Remedy Program : Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Date : JUN 05, 2022 – JUN 05, 2022 Planned Owner Notification Date : JUN 05, 2022 – JUN 05, 2022 Part 573 Safety Recall Report 22V-227 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-227 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : MAY 27, 2022 NHTSA Recall No. : 22V-227 Manufacturer Recall No. : FL-925 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 2,284 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2021-2023 Western Star 47X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : MAR 19, 2019 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2021-2022 Western Star 57X Vehicle Type : Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : AUG 20, 2020 – DEC 20, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-227 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2020-2023 Western Star 49X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : MAR 19, 2019 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : Hood Intake Covers Component Description : Hood Mounted Intake Stainless Steel Cover Component Part Number : A17-21823-000 Thru 007 Supplier Identification : Component Manufacturer Name : Creative Liquid Coatings Address : 12117 CR Koon Highway Newberry South Carolina 29108 Country : United States Part 573 Safety Recall Report 22V-227 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Chronology : On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers debonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 27, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2294 to 2291. On May 12, 2022, upon review of production vehicles, DTNA reasonably amended the recall population from 2291 to 2294 & Production Begin date from 03/09/2019 to 03/19/2019. Description of Remedy : Description of Remedy Program : Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Date : JUN 05, 2022 – JUN 05, 2022 Planned Owner Notification Date : JUN 05, 2022 – JUN 05, 2022 Part 573 Safety Recall Report 22V-227 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-227 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : APR 27, 2022 NHTSA Recall No. : 22V-227 Manufacturer Recall No. : FL-925 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 2,291 Estimated percentage with defect : 1 % Vehicle Information : Vehicle 1 : 2021-2023 Western Star 47X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : JUL 08, 2020 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2021-2022 Western Star 57X Vehicle Type : Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : AUG 20, 2020 – DEC 20, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-227 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2020-2023 Western Star 49X Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On certain vehicles built within the above manufacturing date range that are equipped with side air-intakes on the hood, the stainless steel cover on the side air intake may de-bond and potentially fall off. Production Dates : MAR 19, 2019 – APR 01, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The stainless steel cover on the side air intake may de-bond and subsequently fall off the vehicle. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the hood side intake stainless steel cover falls during operation, it may cause road debris, increasing the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Component Name 1 : Hood Intake Covers Component Description : Hood Mounted Intake Stainless Steel Cover Component Part Number : A17-21823-000 Thru 007 Supplier Identification : Component Manufacturer Name : Creative Liquid Coatings Address : 12117 CR Koon Highway Newberry South Carolina 29108 Country : United States Part 573 Safety Recall Report 22V-227 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Chronology : On February 21, 2022, DTNA was first notified through a Dealer Product Report regarding de-bonding of side intake covers. On February 22, 2022, a Field Service Product Report duplicating the same issue was submitted to DTNA Compliance. DTNA promptly began an investigation that revealed that, on a specific population of vehicles built with side intakes, there is a possibility of hood mounted side intake stainless steel covers debonding from the air intake. In March, 2022 DTNA performed an initial warranty seek to identify any related claims not found in the prior notifications. Later in that same month, DTNA’s review uncovered 7 additional occurrences of covers de-bonding from the side air intakes. On March 30, 2022, out of abundance of caution, DTNA decided to conduct a voluntary safety recall on certain WST 47X, 49X & 57X vehicles built within the above mentioned manufacturing date range, that are equipped with side intake covers. The summary of warranty claims, field or service reports, and other information is as follows: 8 warranty claims and 1 Field report from dates 10/14/2021 to 2/22/2022, 3 claims reporting fell off on the road. No deaths or injuries reported. On April 14 2022, upon review of production vehicles, DTNA reasonably adjusted the recall population from 2288 to 2294. Description of Remedy : Description of Remedy Program : Side intake covers will be removed and replaced with new parts accordingly. New side air intake covers will be assembled at the supplier location, using improved manufacturing processes and increased adhesive application. Replacement will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Truck North America records to determine the customers affected. Planned Dealer Notification Date : JUN 05, 2022 – JUN 05, 2022 Planned Owner Notification Date : JUN 05, 2022 – JUN 05, 2022 * NR – Not Reported

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