Update Engine Control Unit Software (2025040004)

Publication date: 2025-04-17
Reference number: 2025040004

UPDATE ENGINE CONTROL UNIT SOFTWARE

SERVICE CAMPAIGN BULLETIN

Reference Number(s): 2025040004, Date of Issue: April 17, 2025

MERCEDES-BENZ:

2023-2024 C-Class and SL (206 and 232 platform)

SERVICE INFORMATION

CAMPAIGN DESC. 24P5496440

SUBJECT

Update Engine Control Unit Software

MODEL(S) C-Class and SL (206 and 232 platform)

MODEL YEAR(S) 2023 - 2024

CAMPAIGN POPULATION 83

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-2025040004

Model(s): 206 and 232

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

Connect XENTRY Diagnosis.
Update Engine Control Unit software.
To do this, select menu item "Quick test view → N3/10 - Motor electronics 'MRG2AMG' for combustion engine 'M139' (ME) → Adaptations → Control unit update → Updating of control unit software".

Then follow the user guidance in XENTRY Diagnosis.
Disconnect XENTRY Diagnosis.

WARRANTY INFORMATION

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.)

54 964 40

02-9334

Update N3/10 - Motor electronics (ME) control unit software (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 item only once for each workshop Repair Order (RO).

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.