Ignition Switch Lock Cylinder: Service and Repair

NOTE: If the lock cylinder/key is sticking or jamming, spray lock cylinder with Mercedes Benz lock cylinder grease (part number 001 989 26 51 10). If the complaint cannot be eliminated, replace lock cylinder and key.

Removal:
1. Press out escutcheon (36a) using a small screwdriver.
2. Remove coil for transponder from lock cylinder. (Only applicable to vehicles with stage 2a [DAS 2a] drive authorization system as of 8/96)





3. Push sleeve (011) onto the cap (36b), turn lock cylinder to position "1" with the key. (Special Tool Part number 202 589 00 14 00 - see Tools and Equipment)





4. Unlock the lock cylinder by turning the cap (36b) 90° and remove.

INSTALLATION
1. Spray outside of lock cylinder (36) with lock cylinder grease and insert in the cap (36b).
2. Push key (36c) through the cap (36b) up to the stop in the lock cylinder (36). The tumblers must be drawn in fully.
3. Push lock cylinder (36) into the steering lock





- Align indentations (arrow step 4 of Removal) in the lock cylinder (36) with the recesses in the steering lock (arrow)





4. Turn cap (036b) with sleeve (011) approx. 90° until it can be heard or seen to lock in position. (Special Tool Part number 202 589 00 14 00 - see Tools and Equipment)
5. Turn key into position (36c) "0" and withdraw/remove with sleeve (011)
6. Press in escutcheon (36a).
7. Install coil for transponder on lock cylinder if applicable.