Update Engine Control Software – 2015-2018 Mercedes-Benz C-Class/GT-Class/G-Class

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News Channel Update | 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: Emission Recall Campaign Notification Update Engine Control Software MY15-18 C/GT/G-Class (205/190/463 Platforms) DATE: June 17, 2021 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 Mercedes-Benz USA, LLC A Daimler AG Company One Mercedes-Benz Drive Sandy Springs,GA 30328 770.705.0600 News Channel Update | Vehicle Compliance & Analysis Recall Campaign Launch Notification June 17, 2021 Campaign No. : CA DMV. : Campaign Desc. : Update Engine Control Software 2020070001 200701 19P5490316 This is to notify you of an Emission Recall Campaign LAUNCH notification concerning the engine control software on 4,728 Model Year (“MY”) 2015-2018 C/GT/G-Class vehicles (205/190/463 platforms). A customer notification letter will be mailed to customers advising of this emissions recall, which may generate questions. Affected VINs will be flagged in VMI as “OPEN” on June 18, 2021 Background Issue Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain C/GT/G-Class vehicles (205/190/463 platforms), the engine control unit software may not meet current specifications. Upon vehicle start-up, the catalytic converter may not achieve proper operating temperatures due to decreased engine idle speed. What We’re Doing MBUSA will conduct a voluntary Emission Recall Campaign. An authorized Mercedes-Benz dealer will update the engine control software in the affected vehicles. Parts Parts are not required for this campaign since the remedy is software based Vehicles Affected Vehicle Model Year(s) 2015-2018 Vehicle Model C / GT / G-Class Vehicle Populations Total Recall Population 4,728 Notice to California Dealers: As required by 13 CCR 2117, a proof of correction (“POC”) certificate showing that the vehicle has been repaired under this recall must be issued by the authorized service facility, and that such a certificate may be required by California as a condition of vehicle registration or operation. Please reference this POC in the attached work instructions. Failure to complete this step may result in fines and penalties and lead to customer dissatisfaction. Next Steps/Notes Customer Notification Timeline A customer notification will be provided for this Emissions Campaign. Customer Letters will be mailed on July 2, 2021 AOMS/SOMS AOMs – This campaign may generate questions from your dealers. Please forward this notice to your dealers ASAP. 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. Mercedes-Benz USA, LLC A Daimler AG Company One Mercedes-Benz Drive Sandy Springs,GA 30328 770.705.0600 Campaign No. 2020070001, June 2021 CA DMV: 200701 TO: ALL MERCEDES-BENZ CENTERS SUBJECT: Model C/GT/G-Class vehicles (205/190/463 platforms) Model Years 2015-2018 Update engine control unit software Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2015-2018 C/GT/G-Class vehicles (205/190/463 platforms), the engine control software may not meet current specifications. Upon vehicle start-up, the catalytic converter may not achieve proper operating temperatures due to decreased engine idle speed. An authorized MercedesBenz dealer will update the engine control software. Prior to performing this Recall Campaign: • VMI must always be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always Check VMI for any open campaigns, and perform accordingly. • Please review the entire Recall Campaign bulletin and follow the repair procedure exactly as described. Please note that Recall Campaigns do not expire and may also be performed on a vehicle with a vehicle status indicator. Approximately 4,728 vehicles are involved. Order No. P-RC-2020070001 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-RC-2020070001 Note: • Use DAS/Xentry 09/19 with all associated patches or higher. • Follow the steps exactly as described in DAS/Xentry. • Connect battery charger (battery voltage >12.5V). • Ensure all electrical consumers are switched-off. • In the event of software/SCN update issues, contact Star Diagnosis User Help Desk. Please refer to the “precall” check list before contacting UHD • Refer to Star Diagnosis System (SDS) Best Practices Guide. Work procedure 1. Connect XENTRY Diagnosis. 2. Update engine electronics (ME-SFI) control unit software. To do this, select menu item “Quick test view N3/10 – Engine electronics (ME-SFI) Adaptations Control unit update “Update of control unit software”. Then follow the user guidance in XENTRY Diagnosis. 3. Disconnect XENTRY Diagnosis. The following step applies to California dealers only. Apply Proof of Correction Label (A 000 584 54 13) to area identified in Figure 1. Fill in the blank areas of the label. The campaign number for the California Proof of Correction is unique and must be entered as such (200701), your dealer code, and the date of the repair, using a black permanent marker. Note: Clean bonding surface prior to affixing label. 3 P-RC-2020070001 Figure 1 The following step applies to California dealers only. Provide the owner with the completed and signed Proof of Correction Certificate (A 000 584 42 14), after you scan a completed form and attach to the RO. The campaign number for the California Proof of Correction is unique and must be entered as (200701). Primary Parts Information Qty. Part Name Part Number Estimated Replacement Rate 1 Sheet (CA Dealers Only) A 000 584 42 14 100% 1 Label (CA Dealers Only) A 000 584 54 13 100% 4 P-RC-2020070001 Warranty Information Operation: Connect/disconnect battery charger (02-5058) Star Diagnosis System (SDS), Connect/disconnect (02-4762) Update engine electronics (ME-SFI) control unit software (02-9334) Damage Code Operation Number Labor Time (hrs.) 54 903 16 8 02-5058 0.1 02-4762 0.1 02-9334 0.1 Note Operation Number labor times are subject to change

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