Perform SCN Coding – Control Unit Configuration – 2008-2009 Mercedes-Benz C-Class

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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 SERVICE CAMPAIGN LAUNCH Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES (1-800-367-6372). 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: Service Campaign Launch Notification Perform SCN Coding – Control Unit Configuration MY08-09 C-Class (204 platform) DATE: June 16, 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 Service Campaign Launch Notification June 16, 2023 Campaign No. : Campaign Desc. : Perform SCN Coding – Control Unit Configuration 2023020005 22P5498726 This is to notify you of a Service Campaign to perform SCN Coding – Control Unit Configuration on 6 Model Year (“MY”) 2008 – 2009 C-Class (204 platform) vehicles. The affected vehicles will be visible and flagged in VMI as “OPEN” on June 16, 2023. Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) 2008 – 2009 C-Class (204 platform) vehicles, various control units may have been updated with incorrect software configuration during a service repair. In this case, incorrect software configurations could cause one or various control units to malfunction. Deviations in the configuration of the, signal acquisition, actuation modules, and instrument clusters can result in loss of comfort in the steering feel, the anti-theft alarm system as well as the display in the instrument cluster. Safety and emission relevance has been ruled out for the control units in the potentially affected vehicles. What We’re Doing MBUSA will conduct a Service Campaign. An authorized Mercedes-Benz dealer will perform SCN Coding – control unit configuration on the affected vehicles. Parts The remedy is available and can be performed as necessary. Vehicles Affected Vehicle Model Year(s) 2008-2009 Vehicle Model C-Class Vehicle Populations Total Campaign Population 6 Next Steps/Notes AOMS/SOMS AOMs – This campaign may generate questions from your dealers. 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. Campaign No. 2023020005, xxxx 2023 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model C-Class (204 platform) Model Year 2008-2009 Perform SCN Coding – Control Unit Configuration Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain Model Year (“MY”) 2008 – 2009 C-Class (204 platform) vehicles, various control units may have been updated with incorrect software configurations during a service repair. In this case, incorrect software configurations could cause one or various control units to malfunction. Deviations in the configuration of the signal acquisition and actuation modules, instrument clusters can result in loss of comfort in the steering feel, the anti-theft alarm system as well as the display in the instrument cluster. Safety and emission relevance has been ruled out for the control units in the potentially affected vehicles. An authorized Mercedes-Benz dealer will perform SCN Coding – control unit configuration on the affected vehicles. Prior to performing this Campaign:  VMI must be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.  Please review the entire Campaign bulletin and follow the repair procedure exactly as described. Approximately 6 vehicles are affected. Order No. P-SC-2023020005 This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Records. 2 P-SC-2023020005 Perform SCN coding in various control units  Ensure use of XENTRY Diagnosis version 03/2022 or higher.  Before starting the work procedure, make sure all Add-ons are installed.  Make sure to follow the operation steps exactly as described in XENTRY Diagnosis.  Use a battery charger to ensure sufficient power supply of the vehicle on-board electrical system battery (greater than 12.5 V).  If XENTRY Diagnosis is already connected to the vehicle, start with operation step 2. If two or more software updates or SCN codings are performed during one workshop visit, the operation items 02-4762 and 02-5058 may only be invoiced once for each workshop order. Work Procedure 1. Connect XENTRY Diagnosis. If the control units listed here are not present in the vehicle, then no SCN coding is required. Only for model 204 2. Perform SCN coding in the A1 (instrument cluster) control unit. To do this, select menu item “Quick test view – A1 instrument cluster (IC) – Adaptations – Control unit update – Updating of SCN coding”. Then follow the user guidance in XENTRY Diagnosis. Only for model 204 3. Perform SCN coding in the rear SAM control unit with fuse and relay module. To do this, select menu item “Quick test view – N10/2 (Rear SAM control unit with fuse and relay module) – Adaptations – Control unit update – Updating of SCN coding”. Then follow the user guidance in XENTRY Diagnosis. 4. Disconnect XENTRY Diagnosis. __________________________________________________________________________________________________ 3 P-SC-2023020005 Note: The following allowable labor operation should be used when submitting a warranty claim for this repair: Warranty Information Damage Code Operation Number Description Labor Time (hrs.) 54 987 26 02-4762* Connect/disconnect diagnostic system (XENTRY Diagnosis) 0.1 02-5058* Connect/disconnect starter battery charger (with XENTRY Diagnosis connected) 0.1 02-9446** Perform SCN coding in instrument cluster control unit (with XENTRY Diagnosis connected) Only for model 204 0.1 02-9446** Perform SCN coding in the rear SAM control unit with fuse and relay module (with XENTRY Diagnosis connected) Only for model 204 0.1 * Operation item may only be invoiced once for each workshop order! ** The operation item must be used as often as necessary! Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change and updates may not be reflected in this document.

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