Perform Drivetrain Control Unit (PTCU) Software Update (2025020002)

PERFORM DRIVETRAIN CONTROL UNIT (PTCU) SOFTWARE UPDATE

SERVICE CAMPAIGN BULLETIN

SERVICE INFORMATION

IMPORTANT NEW EMISSION SERVICE CAMPAIGN LAUNCH 

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

Sincerely,

Gregory Gunther

Senior Manager, Vehicle Compliance & Analysis

TO:  ALL MERCEDES-BENZ CENTERS

CAMPAIGN DESC. 24P5499220 

CA DMV NO. 250202 

SUBJECT

Perform Drivetrain Control Unit (PTCU) Software Update 

MODEL(S) Software S-Class (223 platform) 

MODEL YEAR(S) 2023 - 2025 

CAMPAIGN POPULATION 1,843 

Campaign Technical Instructions 

Prior to performing this Campaign: 

Check the Vehicle Master Inquiry (VMI) to verily 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.

Model(s): 223

• 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 Drivetrain Control Unit (PTCU)  software.

   To do this, select menu item "Quick test view → CPC3 - N127 - Control unit 'Drivetrain' (PTCU)  → Adaptations → Control unit update → Updating 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.)
54 992 20	02-9334 (1)	Update Drivetrain Control Unit (PTCU)  software (with XENTRY Diagnosis connected) Acc. no.: 54 992 20  , Code: 24P549920	0.1
	02-4762 (2)	Connect/disconnect diagnosis system (XENTRY Diagnosis)	0.1
	02-5058 (2)	Connect/disconnect starter battery charger (with XENTRY Diagnosis connected)	0.1
(1) Please manually enter the affected control unit with code and accounting number in the workshop order as per the work instructions  (2) Operation item may be invoiced only once for each workshop order!

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 No."  for the California Proof of Correction is unique and must be entered as such (250202)  , your "Dealer Code"  , and the "Date"  of the repair, using a black permanent marker.

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) (Figure 2)  , after you scan a completed form and attach to the RO. The recall number for the California Proof of Correction Certificate is unique and must be entered as such (250202)  .

CALIFORNIA PROOF OF CORRECTION PARTS INFORMATION

Qty.	Part Name	Part Number
1	Proof of Correction Certificate (CA Dealers Only)	A 000 584 42 14
1	Proof of Correction Label (CA Dealers Only)	A 000 584 54 13

WARRANTY INFORMATION

(CALIFORNIA DEALERS PLEASE SUBMIT CLAIM ON A SEPARATE LINE OF THE SAME RO AS THE CAMPAIGN) 

Damage Code	Operation Number	Description	Labor Time (hrs.)
212CA 00	02-0001	Apply Proof of Correction Label and completed Proof of Correction Certificate	0.1