Update Engine Control Unit (2025040013)

UPDATE ENGINE CONTROL UNIT

SERVICE CAMPAIGN BULLETIN

SERVICE INFORMATION

TO: ALL MERCEDES-BENZ CENTERS

CAMPAIGN NO. 2025040013 

CAMPAIGN DESC. 24P5496503 

SUBJECT

MODEL(S) C-Class, CLE and E-Class (206, 236 and 214 platform) 

MODEL YEAR(S) 2024 

CAMPAIGN POPULATION 36,762 

Campaign Technical Instructions 

PRIOR TO PERFORMING THIS CAMPAIGN

Check the Vehicle Master Inquiry (VMI) to verify this campaign applies to the specific vehicle.

Always check for other open campaigns and perform them accordingly!

Review the entire campaign bulletin first, and perform the procedures exactly as described.

Order No. P-SC-2025040013

• 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 battery  system (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 Engine Control Unit  software.

   To do so, select menu item "Quick test view → N3/10 - Motor electronics 'MRG2' for combustion engine 'M254' (ME)  → Adaptations → Control unit update → Update of control unit software".

   Then follow the user guidance in XENTRY Diagnosis.

3. Disconnect XENTRY Diagnosis.

WARRANTY INFORMATION

Damage Code	Operation Number	Description	Labor Time (hrs.)
54 965 03	02-9334 (1)	Update Engine Control Unit  software (with XENTRY Diagnosis connected)	0.1
	02-4762 (1)	Connect/disconnect diagnosis system (XENTRY Diagnosis)	0.1
	02-5058 (1)	Connect/disconnect starter battery charger (XENTRY Diagnosis connected)	0.1
(1) Invoice operation item only once for each workshop Repair Order (RO).