Recall Campaign 2022100005 - Update 48V ISG Control Unit Software (2022100005)

Publication date: 2023-03-23
Reference number: 2022100005

RECALL CAMPAIGN 2022100005 - UPDATE 48V ISG CONTROL UNIT SOFTWARE

SERVICE CAMPAIGN BULLETIN

Reference Number(s): P-RC-2022100005, Date of Issue: May 23, 2024

MERCEDES-BENZ:

Model E, CLS, GLE, GLS, S & AMG GT-Class (213, 238, 257, 167, 223, 290) Model Year 2019-2022

SERVICE INFORMATION

IMPORTANT EMISSION 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 1-800-FOR-MERCEDES.

Sincerely,

Gregory Gunther

Department Manager, Vehicle Compliance & Analysis

March 2023

TO: ALL MERCEDES-BENZ CENTERS

SUBJECT

Model E, CLS, GLE, GLS, S & AMG GT-Class (213, 238, 257, 167, 223, 290) Model Year 2019-2022

Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year 2019-2022 E, CLS, GLE, GLS, S & AMG GT-Class (213, 238, 257, 167, 223, 290), the affected vehicles may not meet current On Board Diagnostics ("OBD") emissions specifications. Under certain conditions, the permanent OBD fault code memory of the 48V ISG control unit may not activate. An authorized Mercedes-Benz dealer will update the software in the affected vehicles.

Prior to performing this Recall Campaign:

VMI must always be checked before performing campaigns to verify that the campaign is required on a specific vehicle. Always check for any other open campaigns, and perform accordingly.
Please review the entire Recall Campaign bulletin and follow the repair procedure exactly as described.

Please note that Recall Campaigns do not expire and may also be performed on a vehicle with a vehicle status indicator.

Approximately 62,629 vehicles are involved.

Order No. P-RC-2022100005 This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-SLP S424HH001, Control of Quality Records.

NOTE:

Use Xentry 09/20 with all associated patches or higher.
Follow the steps exactly as described in Xentry.
Connect battery charger (battery voltage >12.5V).
Ensure all electrical consumers are switched-off.
In the event of software/SCN update issues, contact Star Diagnosis User Help Desk via. XSF ticket.
Refer to Star Diagnosis System (SDS) Best Practices Guide.

PROCEDURE

Connect XENTRY Diagnosis.
Update software of integrated starter alternator ("ISA") control unit (N129) .
To do this, select menu item "Quick test view → N129 Integrated starter alternator (ISA) → Adaptations → Control unit update → Updating of control unit software.

Then follow the user guidance in XENTRY Diagnosis.

WARRANTY INFORMATION

Operation: (02-5058) Connect/disconnect battery charger

(02-4762) Star Diagnosis System (SDS), Connect/disconnect

(02-9334) Update N129 Integrated starter alternator-Adaptations

WARRANTY INFORMATION

Damage Code

Operation Number

Labor Time (hrs.)

54 996 23

02-9334

0.1

02-4762⁽¹⁾

0.1

02-5058⁽¹⁾

0.1

⁽¹⁾	Operation item may be invoiced only once for each workshop order

NOTE: Always check ASRA for the current OP-Code times. Labor times are subject to change and updates may not be reflected in this document.

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 number for the California Proof of Correction is unique and must be entered as such (221005) , your dealer code, and the date of the repair, using a black permanent marker.

NOTE: Clean bonding surface prior to affixing label.

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 is unique and must be entered as such (221005).

CALIFORNIA PROOF OF CORRECTION PARTS INFORMATION

Qty.	Part Name	Part Number
1	Sheet (CA Dealers Only)	A 000 584 42 14
1	Label (CA Dealers Only)	A 000 584 54 13

WARRANTY INFORMATION

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