Service Campaign 2024020012 - Update Engine Control Unit Software (P-SC-2024020012)

SERVICE CAMPAIGN 2024020012 - UPDATE ENGINE CONTROL UNIT SOFTWARE

SERVICE CAMPAIGN BULLETIN

SERVICE INFORMATION

IMPORTANT SERVICE CAMPAIGN LAUNCH 

Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FORMERCEDES (1-800-367-6372).

Sincerely,

Gregory Gunther

Senior Manager, Vehicle Compliance & Analysis

February 2024

TO: ALL MERCEDES-BENZ CENTERS

SUBJECT

Model SL (232 platform) 

Model Year 2022 - 2023 

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2022-2023 SL (232 platform) vehicles, the Engine Control Unit software might not correspond to the current production specifications. An authorized Mercedes-Benz dealer will update the Engine Control Unit software.

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 other open campaigns, and perform accordingly.
• Please review the entire Campaign bulletin and follow the repair procedure exactly as described.

Approximately 5,234 vehicles are affected.

Order No. P-SC-2024020012

Always use the latest  XENTRY Diagnosis software release with all available add-ons.

• Follow the operation steps exactly as described in XENTRY Diagnosis.
• Use a charger to ensure sufficient power supply to the vehicle's on-board electrical system battery  (greater than 12.5 V).
• If XENTRY Diagnosis is already connected to the vehicle, start with Work Procedure Step   2 . 

If two or more software updates or SCN codings are performed during a single workshop visit, operation items 02-4762 and 02-5058  may be invoiced only on one of the workshop orders. 

WORK PROCEDURE

1. Connect XENTRY Diagnosis.
2. Update N3/10 Motor Electronics (ME) control unit  software.

   To do this, select menu item "Quick test view → N3/10 - Motor Electronics 'MRG1AMGV8' for combustion engine 'M177' (ME)  → Adaptations → Control unit update → Update of control unit software".

   Then follow the user guidance in XENTRY Diagnosis.

   NOTE: Updated N3/10 Motor Electronics (ME)  will include the following software numbers or newer:

   • 177 902 31 19
   • 177 903 30 09
   • 177 903 31 09
   • 177 903 32 09
3. Disconnect XENTRY Diagnosis.

WARRANTY INFORMATION

Damage Code	Operation Number	Description	Labor Time (hrs.)
07 972 05	02-9334	Perform N3/10 Motor Electronics (ME-SFI) control unit  software update (with XENTRY Diagnosis connected)	0.1
	02-4762 (1)	Connect/disconnect diagnostic system (XENTRY Diagnosis)	0.1
	02-5058 (1)	Connect/disconnect starter battery charger (with XENTRY Diagnosis connected)	0.1
(1) Invoice operation items only on one of the workshop orders, if two or more software updates or SCN codings are performed during a single workshop visit.