Check Front Axle Wiring Harness – 2019-2022 Mercedes-Benz G-Class

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Recall Campaign Initial Notification

DATE: February 24, 2023

Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis Internal IMPORTANT RECALL CAMPAIGN INFORMATION Please see the attached documents related to the campaign listed above. Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES. Sincerely, Gregory Gunther Department Manager, Vehicle Compliance & Analysis TO: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers, Parts Managers FROM: Gregory Gunther, Department Manager, Vehicle Compliance and Analysis, Engineering Services RE: Recall Campaign Initial Notification Check Front Axle Wiring Harness MY19-22 G-Class (463 platform) DATE: February 24, 2023 Mercedes-Benz USA, LLC A Mercedes-Benz Group AG Company One Mercedes-Benz Drive Sandy Springs, GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis Internal Recall Campaign Initial Notification February 24, 2023 Campaign No. : NHTSA ID Campaign Desc. : Check Front Axle Wiring Harness TBA 23V097 23P5491809 This is to notify you of the new Recall Campaign to check the front axle wiring harness on 26,116 Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles. The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “PENDING” on February 24, 2023. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring harness might contact an auxiliary oil cooler and chafe. This could potentially damage the wiring harness over time. As a result, impairment of ABS and ESP functionality cannot be ruled out, which could potentially increase the risk of a crash. If the failure occurs, the driver would be made aware through an indicator lamp or warning message in the instrument cluster. What We’re Doing MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealership will inspect the front axle wiring harness on the affected vehicles and replace it, if necessary. After inspection if the wiring harness is not replaced a protective sleeve will be installed, Parts Remedy is not available at this time. Vehicles Affected Vehicle Model Year(s) 2019-2022 Vehicle Model G-Class Vehicle Populations Total Recall Population 26,116 Total Vehicles in Dealer Inventory 7 Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in Star TekInfo. Once the repair is complete the vehicle may be sold or leased. Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s). Additionally, given this notice, it is a violation of Federal Law for car rental companies to rent new vehicles covered by this notification until the vehicle has been repaired. Next Steps/Notes Customer Notification Timeline Customer letters will be mailed on or before April 14, 2023. AOMS/SOMS AOMs – This recall may generate questions from your dealers. Please forward this notice to your dealers ASAP. Rental Fleet Partners This recall may affect vehicles in your fleet. Please contact your respective MBUSA fleet representative for further information and next steps. For repairs, please contact your preferred MBUSA dealer. While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-097 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Mercedes-Benz USA, LLC Submission Date : FEB 17, 2023 NHTSA Recall No. : 23V-097 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Mercedes-Benz USA, LLC Address : 13470 International Parkway Jacksonville FL 32218 Company phone : 1-877-496-3691 Population : Number of potentially involved : 26,116 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2019-2021 Mercedes-Benz G550 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS Descriptive Information : Mercedes-Benz MY 2019-2021 G550 11,018 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications. Production Dates : JUN 22, 2018 – DEC 23, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2019-2021 Mercedes-Benz AMG G63 Vehicle Type : LIGHT VEHICLES Body Style : SUV Power Train : GAS Descriptive Information : Mercedes-Benz MY 2019-2021 AMG G63 15,098 vehicles. The recall population was determined through production records. Vehicles outside of the recall population have the wiring harness manufactured according to current specifications. Production Dates : JUN 22, 2018 – DEC 23, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2019-2022 G-Class (463 platform) vehicles, the front axle wiring harness might contact an auxiliary oil cooler. FMVSS 1 : NR Part 573 Safety Recall Report 23V-097 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 FMVSS 2 : NR Description of the Safety Risk : In this case, the wiring harness might contact an auxiliary oil cooler and chafe, which could potentially damage the wiring harness over time. As a result, impairment of ABS and ESP functionality cannot be ruled out, which could potentially increase the risk of a crash. Description of the Cause : Due to deviations in the development process the front axle wiring harness could come into contact and chafe on the auxiliary oil cooler due to a narrow passage in the relevant area. Identification of Any Warning that can Occur : If the failure occurs, the driver would be made aware through an indicator lamp or warning message in the instrument cluster. Involved Components : Component Name 1 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403412 Component Name 2 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403512 Component Name 3 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403612 Component Name 4 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403712 Component Name 5 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403812 Part 573 Safety Recall Report 23V-097 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 6 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635403912 Component Name 7 : Electrical Wiring Harness Component Description : Electrical Wiring Harness Component Part Number : A4635404012 Supplier Identification : Component Manufacturer Name : MBAG Address : NR NR Country : NR Chronology : In February 2022, Mercedes-Benz AG began a review of isolated field reports by owners of G-Class vehicles, who stated they had observed an ABS and ESP indicator lamp in the instrument cluster. No related crashes, third-party damages, or personal injuries were reported. MBAG requested parts from the affected vehicles for further analysis. From March through May 2022, based on its investigation and analysis of the parts collected from the field, MBAG determined that, in the analyzed cases, the front axle wiring harness had come into contact and chafed on an auxiliary oil cooler causing damage to the wiring harness. In April 2022, to guard against such potential chafing, MBAG made a production adjustment, installing a protective sleeve on the potentially affected section of the wiring harness of all G-Class vehicles. In parallel MBAG carried out systematic analysis of potentially affected signal wires for each possible wiring harness configuration. As part of the analyses, all functions of corresponding signal wires of the various wiring harness variants were checked and examined with regard to safety-relevant effects. In the course of this analysis MBAG determined that safety relevant consequences are limited to the potential impairment of the ABS and ESP brake system functionality. These investigations were completed by the end of 2022. On February 10, 2023, MBAG determined that a potential safety risk could not be ruled out and decided to conduct a recall. MBAG is currently aware of 12 warranty claims potentially related to this case between January 01, 2020 and July 6, 2021 and no other field reports regarding this defect in the US. MBAG is not aware of any reported crashes or personal injury in connection with this issue. Part 573 Safety Recall Report 23V-097 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : An authorized Mercedes-Benz dealership, will inspect the front axle wiring harness on the affected vehicles and replace it, if necessary. After inspection a protective sleeve will be installed, if the wiring harness is not replaced. Pursuant to 49 C.F.R. § 577.11(e), MBUSA plans to provide notice about pre-notice reimbursement to owners since some of the involved vehicles would have been previously subject to the condition described. How Remedy Component Differs from Recalled Component : Front axle wiring harness will have the protective sleeve installed according to current specifications. Remedy Parts: A4635403412 – Electrical Wiring Harness A4635403512 – Electrical Wiring Harness A4635403612 – Electrical Wiring Harness A4635403712 – Electrical Wiring Harness A4635403812 – Electrical Wiring Harness A4635403912 – Electrical Wiring Harness A4635404012 – Electrical Wiring Harness A0079975690 – Cable Strap A0069898485 – Duct Tape A1021590113 – Protective Tube Identify How/When Recall Condition was Corrected in Production : A change in the production procedure of our supplier ensures that this issue can no longer occur from April 07, 2022 onwards. Recall Schedule : Description of Recall Schedule : Dealers will be notified of the pending voluntary recall campaign on February 24, 2023. Owners will be notified of the voluntary recall campaign before April 18, 2023. A copy of all communications will be provided when available. Planned Dealer Notification Date : FEB 24, 2023 – NR Planned Owner Notification Date : APR 18, 2023 – NR * NR – Not Reported

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