Recall Campaign 2024100007 - Update Engine Control Unit Software (2024100007)

UPDATE ENGINE CONTROL UNIT SOFTWARE - WAVE 3

SERVICE CAMPAIGN BULLETIN

SERVICE INFORMATION

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 I-8OO-FOR-MERCEDES.

Sincerely,

Gregory Gunther

Senior Manager, Vehicle Compliance & Analysis

TO: ALL MERCEDES-BENZ CENTERS

CAMPAIGN DESC. 24P5496234 

NHTSA ID 24V704 

SUBJECT

Update Engine Control Unit Software - Wave 3 

MODEL(S) S-Class (223 platform) 

MODEL YEAR(S) 2021 - 2023 

CAMPAIGN POPULATION 7,615 (Wave 1) + 8,684 (Wave 2) + 10,872 (Wave 3) 

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-RC-2024100007

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 engine control unit software.

   To do this, select menu item "Quick test view → N3/10 - Motor electronics 'MRG1AMGV8' for combustion line 'M176' (ME)  → Adaptations → Control unit update → Updating of control unit software".

   Then follow the user guidance in XENTRY Diagnosis.

   Once the software update beings, continue with Step 3 of the Work Procedure.

   NOTE: The following steps (check engine cover and check engine wiring harness for damage) should be performed while the engine control unit software update is being performed via XENTRY Diagnosis.
3. Remove engine cover and check for damage.

   Melted areas may be present on the engine cover.

   In the event of damage, the engine cover must be replaced.

4. Check engine wiring harness for damage.

   Thoroughly inspect the engine wiring harness in the area above the engine compartment bulkhead near the windshield. In addition, inspect the intermediate areas of the engine using a flashlight to ensure the engine wiring harness is not damaged  .

   In the event of engine wiring harness damage: Capture informative pictures and clarify further repair procedure via TIPS case.  Specify code 24P5496234  in your initial case notes.

   In the event of a Check Engine Light, perform a quick test and check for left and right catalytic converter fault codes (P042000 and P043000).

   If these fault codes are present: Capture informative pictures and clarify further repair procedure via TIPS case.  Specify code 24P5496234  in your initial case notes.

5. Disconnect XENTRY Diagnosis.

WARRANTY INFORMATION

Damage Code	Operation Number	Description	Labor Time (hrs.)
54 962 34	02-9334	Update Motor electronics (MRG1AMGV8)  control unit software (with XENTRY Diagnosis connected) Includes:  Simultaneously checking the engine cover and the engine wiring harness for damage.	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
	12-2264	Check engine cover and engine wiring harness for damage	0.1
	02-2186	Only  in the event of damage to engine cover and/or engine wiring harness, and/or fault codes P042000 and P043000 Create TIPS case  with informative pictures of damage attached. Acc. no.: 54 962 34, code: 24P5496234	0.2
(1) Invoice operation item 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 (24V704)  , 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 (24V704). 

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