Damaged Cooktop Control Valves May Leak Gas – Keystone Coachworks – 2020-2021 Mercedes-Benz Metris Custom Camper Vans

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COACHWORKS, INC. 90502 HWY 99N Unit C Eugene, OR 97402 This letter is to inform the NHTSA that Keystone Coachworks exposure to the Dometic Recall Notification 22E021 was limited to just four units. Those repairs were completed before filling our recall notification. Since all the repairs were already made prior to the filling of our recall 22V402 no customer letters were mailed out. Let me know if you need further clarification. Best regards, Ron Aasted Designer/Builder Keystone Coachworks Cell: 541-517-4827 Fax: 541-833-0369 Email: ronaasted@gmail.com Website: http://keystonecoachworks.net .

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-402 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Keystone Coachworks Inc Submission Date : JUN 08, 2022 NHTSA Recall No. : 22V-402 Manufacturer Recall No. : 22E021 Manufacturer Information : Manufacturer Name : Keystone Coachworks Inc Address : 90502 HWY 99N Ste C Eugene OR 97402 Company phone : 541-517-4827 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2021 Mercedes Benz Metris Vehicle Type : LIGHT VEHICLES Body Style : VAN Power Train : GAS Descriptive Information : The Dometic Corporation issued a NHTSA RECALL 22E021 for Dometic CE99-ZF and PI8022 Series Cooktops. Keystone Coachworks uses the PI8022 Series Cooktop in its van conversions. Upon doing a search for the serial number ranges affected by the recall we had four cooktops that we installed that were a part of the recall program. Production Dates : SEP 01, 2019 – JUN 30, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The burner control valve, mated directly to the control knob via the valve stem, may leak gas. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : This gas will leak directly into the recessed portion of the cooktop, where the knobs and ignitor are located, and may be ignited by the active burner(s). The ignition will result in a small pilot flame directly at the control knob. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 22V-402 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Cooktop Component Description : 2 Burner LP Cooktop Component Part Number : 9600027603 Supplier Identification : Component Manufacturer Name : Dometic Corporation Address : 5155 Verdant Dr. Elkhart Indiana 46516 Country : United States Chronology : NR Description of Remedy : Description of Remedy Program : Dometic Corporation is aggressively approaching all OEM’s, Dealers, Retailers, and End Users with certified letters (for which they must sign), defining the product, models, population, and direction on action to be taken. The remedy will consist of 1) instructions to locate the cooktop serial number 2) Recall Response Card to be filled out and returned to receive the replacement unit. Dometic will reimburse the repair facility for their time related to replacing the defective unit with a new one. How Remedy Component Differs from Recalled Component : The serial number will distinguish the recall units from the replacement parts. Identify How/When Recall Condition was Corrected in Production : We documented all the inventory we had on hand and have contacted Dometic Corporation for a call tag so that the defective units can be returned. Recall Schedule : Description of Recall Schedule : Keystone has already reached out to its customer base to identify the cooktops that could be in the possible recall serial number ranges. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : JUN 08, 2022 – JUL 31, 2022 Part 573 Safety Recall Report 22V-402 Page 3 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-402 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Keystone Coachworks Inc Submission Date : JUN 22, 2022 NHTSA Recall No. : 22V-402 Manufacturer Recall No. : 22E021 Manufacturer Information : Manufacturer Name : Keystone Coachworks Inc Address : 90502 HWY 99N Ste C Eugene OR 97402 Company phone : 541-517-4827 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2021 Mercedes Benz Metris Vehicle Type : LIGHT VEHICLES Body Style : VAN Power Train : GAS Descriptive Information : The Dometic Corporation issued a NHTSA RECALL 22E021 for Dometic CE99-ZF and PI8022 Series Cooktops. Keystone Coachworks uses the PI8022 Series Cooktop in its van conversions. Upon doing a search for the serial number ranges affected by the recall we had four cooktops that we installed that were a part of the recall program. Production Dates : SEP 01, 2019 – JUN 30, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The burner control valve, mated directly to the control knob via the valve stem, may leak gas. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : This gas will leak directly into the recessed portion of the cooktop, where the knobs and ignitor are located, and may be ignited by the active burner(s). The ignition will result in a small pilot flame directly at the control knob which could cause a fire. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 22V-402 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Cooktop Component Description : 2 Burner LP Cooktop Component Part Number : 9600027603 Supplier Identification : Component Manufacturer Name : Dometic Corporation Address : 5155 Verdant Dr. Elkhart Indiana 46516 Country : United States Chronology : On May 11, 2022 Keystone Coachworks Inc received notification from the Dometic Corporation and from Beth Wolfe the Safety Recall Specialist from NHTSA that the model PI8022, 2 Burner LP Cooktop that we purchase is involved in a recall. Barb Wagner, the Recall Supervisor from Dometic supplied Keystone Coachworks with a range of serial numbers of the affected units to determine if we had any units installed in our customers conversions. Description of Remedy : Description of Remedy Program : Dometic Corporation is aggressively approaching all OEM’s, Dealers, Retailers, and End Users with certified letters (for which they must sign), defining the product, models, population, and direction on action to be taken. The remedy will consist of 1) instructions to locate the cooktop serial number 2) Recall Response Card to be filled out and returned to receive the replacement unit. Dometic will reimburse the repair facility for their time related to replacing the defective unit with a new one. How Remedy Component Differs from Recalled Component : The serial number will distinguish the recall units from the replacement parts. Identify How/When Recall Condition was Corrected in Production : We documented all the inventory we had on hand and have contacted Dometic Corporation for a call tag so that the defective units can be returned. Recall Schedule : Part 573 Safety Recall Report 22V-402 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : Keystone has already reached out to its customer base to identify the cooktops that could be in the possible recall serial number ranges. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : JUN 08, 2022 – JUL 31, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-402 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Keystone Coachworks Inc Submission Date : JUN 22, 2022 NHTSA Recall No. : 22V-402 Manufacturer Recall No. : 22E021 Manufacturer Information : Manufacturer Name : Keystone Coachworks Inc Address : 90502 HWY 99N Ste C Eugene OR 97402 Company phone : 541-517-4827 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2021 Mercedes Benz Metris Vehicle Type : LIGHT VEHICLES Body Style : VAN Power Train : GAS Descriptive Information : The Dometic Corporation issued a NHTSA RECALL 22E021 for Dometic CE99-ZF and PI8022 Series Cooktops. Keystone Coachworks uses the PI8022 Series Cooktop in its van conversions. Upon doing a search for the serial number ranges affected by the recall we had four cooktops that we installed that were a part of the recall program. Production Dates : SEP 01, 2019 – JUN 30, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The burner control valve, mated directly to the control knob via the valve stem, may leak gas. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : This gas will leak directly into the recessed portion of the cooktop, where the knobs and ignitor are located, and may be ignited by the active burner(s). The ignition will result in a small pilot flame directly at the control knob. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 22V-402 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Cooktop Component Description : 2 Burner LP Cooktop Component Part Number : 9600027603 Supplier Identification : Component Manufacturer Name : Dometic Corporation Address : 5155 Verdant Dr. Elkhart Indiana 46516 Country : United States Chronology : On May 11, 2022 Keystone Coachworks Inc received notification from the Dometic Corporation and from Beth Wolfe the Safety Recall Specialist from NHTSA that the model PI8022, 2 Burner LP Cooktop that we purchase is involved in a recall. Barb Wagner, the Recall Supervisor from Dometic supplied Keystone Coachworks with a range of serial numbers of the affected units to determine if we had any units installed in our customers conversions. Description of Remedy : Description of Remedy Program : Dometic Corporation is aggressively approaching all OEM’s, Dealers, Retailers, and End Users with certified letters (for which they must sign), defining the product, models, population, and direction on action to be taken. The remedy will consist of 1) instructions to locate the cooktop serial number 2) Recall Response Card to be filled out and returned to receive the replacement unit. Dometic will reimburse the repair facility for their time related to replacing the defective unit with a new one. How Remedy Component Differs from Recalled Component : The serial number will distinguish the recall units from the replacement parts. Identify How/When Recall Condition was Corrected in Production : We documented all the inventory we had on hand and have contacted Dometic Corporation for a call tag so that the defective units can be returned. Recall Schedule : Part 573 Safety Recall Report 22V-402 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : Keystone has already reached out to its customer base to identify the cooktops that could be in the possible recall serial number ranges. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : JUN 08, 2022 – JUL 31, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-402 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Keystone Coachworks Inc Submission Date : JUN 27, 2022 NHTSA Recall No. : 22V-402 Manufacturer Recall No. : 22E021 Manufacturer Information : Manufacturer Name : Keystone Coachworks Inc Address : 90502 HWY 99N Ste C Eugene OR 97402 Company phone : 541-517-4827 Population : Number of potentially involved : 4 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2021 Mercedes Benz Metris Vehicle Type : LIGHT VEHICLES Body Style : VAN Power Train : GAS Descriptive Information : The Dometic Corporation issued a NHTSA RECALL 22E021 for Dometic CE99-ZF and PI8022 Series Cooktops. Keystone Coachworks uses the PI8022 Series Cooktop in its van conversions. Upon doing a search for the serial number ranges affected by the recall we had four cooktops that we installed that were a part of the recall program. Production Dates : SEP 01, 2019 – JUN 30, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The burner control valve, mated directly to the control knob via the valve stem, may leak gas. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : This gas will leak directly into the recessed portion of the cooktop, where the knobs and ignitor are located, and may be ignited by the active burner(s). The ignition will result in a small pilot flame directly at the control knob which could cause a fire. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 22V-402 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Cooktop Component Description : 2 Burner LP Cooktop Component Part Number : 9600027603 Supplier Identification : Component Manufacturer Name : Dometic Corporation Address : 5155 Verdant Dr. Elkhart Indiana 46516 Country : United States Chronology : On May 11, 2022 Keystone Coachworks Inc received notification from the Dometic Corporation and from Beth Wolfe the Safety Recall Specialist from NHTSA that the model PI8022, 2 Burner LP Cooktop that we purchase is involved in a recall. Barb Wagner, the Recall Supervisor from Dometic supplied Keystone Coachworks with a range of serial numbers of the affected units to determine if we had any units installed in our customers conversions. Description of Remedy : Description of Remedy Program : Dometic Corporation is aggressively approaching all OEM’s, Dealers, Retailers, and End Users with certified letters (for which they must sign), defining the product, models, population, and direction on action to be taken. The remedy will consist of 1) instructions to locate the cooktop serial number 2) Recall Response Card to be filled out and returned to receive the replacement unit. Dometic will reimburse the repair facility for their time related to replacing the defective unit with a new one. How Remedy Component Differs from Recalled Component : The serial number will distinguish the recall units from the replacement parts. Identify How/When Recall Condition was Corrected in Production : We documented all the inventory we had on hand and have contacted Dometic Corporation for a call tag so that the defective units can be returned. Recall Schedule : Description of Recall Schedule : Keystone has already reached out to its customer base to identify the Part 573 Safety Recall Report 22V-402 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 cooktops that could be in the possible recall serial number ranges. Please Note Keystone Coachworks Doesn’t have a dealership network, we sell directly to the end user, Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : JUN 08, 2022 – JUL 31, 2022 * NR – Not Reported

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