Campaign - SRS Control Module Recoding
Campaign No. 2002090003September 2002
FILE:
SERVICE:
GROUP 00 OF SERVICE INFORMATION BINDER
PARTS:
GROUP I OF INFORMATION - PARTS & ACCESSORIES BINDER
TO: ALL MERCEDES-BENZ DEALERS
SUBJECT:
MODEL 163.154/174/175 (M.Y. 2002)
AUDIBLE SEAT BELT WARNING CHIME
This campaign has been initiated due to an operational defect in the audible seat belt chime. All Mercedes-Benz M-Class vehicles are equipped with a seat belt warning chime, that is designed to sound when a driver is seated in a vehicle, the vehicle is started, but the driver's seat belt has not yet been buckled. In certain Model Year 2002 Mercedes-Benz M-class vehicles, the seat belt chime also sounds when the seat belt is fastened. In order to correct this operational defect, the SRS control module (N217) (Figure 1) must be recoded on the affected vehicles as indicated in the Effective Serial Number Range Table.
Prior to performing this Service Campaign, please check VMI to insure the vehicle is involved and to determine if the vehicle has been previously repaired.
A copy of the notification letter will be mailed to customers.
Effective Serial Number Range
RECODING/CHECKING FUNCTION PROCEDURE
1. Prior to performing this Service Campaign, please review the entire document.
2. Ensure that the ignition switch is OFF first, then connect Star Diagnosis System (SDS).
3. Switch on the ignition and turn ignition key to position # 2.
4. Select DAS on the SDS screen.
5. Select "Cars", then select M-Class/G-Class, select F3.
6. Select "163", select F3.
7. On the next screen verify "Gasoline" and "L/H Steering", select F3
8. Select Model (e.g. 163.154), select F3.
9. Select "Control Units", select F3.
10. Select "Body Menu", then select F3.
11. Select"AB AIRBAG".
12. See AB AIRBAG appear on screen, Please read and confirm Safety Notes as necessary, then select F3.
13. Select "Control Unit Adaptions" select F3.
14. "Read coding and change codes if necessary". select F3.
15. Select "Settings", thereafter select F3.
16. See "Seat Belt Reminders" on the SDS screen, change to "Active", select F3.
17. On the next screen see "Is the coding to be transferred to the control unit?". Select YES (F2).
18. Next switch OFF the ignition via the ignition key, turn ignition ON (cycle ignition key, when prompted on screen).
19. See message on the SDS screen: "Coding has been carried out, select F2.
20. See message on the SDS screen: "Notes regarding Coding", select F2
Disregard the note to check coding on the instrument cluster.
21. You have now returned to the AB AIRBAG screen.
22. Select: DAS exit - ok.
23. Disconnect SDS and verify seat belt chime function (see beginning of this bulletin, paragraph 1) by latching and unlatching seat belt latch, while seat belt chime is chiming.
In Case of Warranty