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Campaign - Replace Electronic Ignition Switch

Campaign No.2013040001, April 2013

TO:
ALL MERCEDES-BENZ CENTERS

SUBJECT:
Models 164, X164, 251, Model Years 2011-2012
Replace Electronic Ignition Switch

This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that due to a supplier process issue the electronic ignition switch (EIS) does not correspond to specification which may lead to a no start condition when turning the ignition key.

To correct this condition, an authorized Mercedes-Benz dealer will replace the electronic ignition switch (EIS) at the next workshop visit.

A sample copy of a letter which owners of the affected vehicles will receive is included.

Prior to performing this Service Campaign:

^ Please check VMI to determine if the vehicle is involved in the Campaign and if it has been previously repaired.

^ Please review the entire Service Campaign bulletin and follow the repair procedure exactly as described.

Approximately 11,067 vehicles are affected.

Procedure

Note:

^ Use DAS/xentry 03/13 with all associated patches or higher.

^ Follow the steps exactly as described in DAS/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.

^ Refer to Star Diagnosis System (SDS) Best Practices Guide.

1. Connect Star Diagnosis to vehicle.

2. Select menu item "Activate control module N73 (EIS [ESL] control unit)" then follow on-screen instructions.

3. Replace electronic ignition lock control module; refer to WIS: AR80.57-P-1000GZ.

Note:
(regarding above WIS instructions)

Erase fault codes (if present) after reading out fault memory.

4. Personalize electronic ignition lock control module: Select menu item "Activate control module N73 (EIS [ESL] control unit)" follow on-screen instructions.

Note:

^ A programmed workshop key is required.

^ Have blue workshop key A 000 905 0039 9999 (1) ready.

(1) Must be ordered by VIN (Blue key is latest version of the orange key)

5. Write VIN into electronic ignition lock control module: Follow on-screen instructions.

Note:

^ Complete all steps as indicated on-screen in SDS.

^ Requested parts must be returned to the designated test center in accordance with the warranty parts return requirements section found in the policy and procedures manual.





Primary Parts Information

Note:

^ Please be aware that only the part number(s) referenced in the Campaign Bulletin is/are approved for use to repair the vehicle. Repairs performed using any other part(s) will not have been performed in accordance with the campaign. Accordingly, warranty claims submitted with reference to an improper part number(s) will be denied.

^ The following allowable labor operation should be used when submitting a warranty claim for this repair:





Warranty Information








Owner Letter