Door lock — removal and installation (Mercedes-Benz A-Class W168)

Removal

1. Lower the door glass and remove the door trim, see the relevant chapter.

2. Remove the inner door seal near the rear mounting hole on the door.

3. Remove the door handle, see the relevant chapter.

Please note: It is not necessary to remove the door handle support bracket.

4. Move lever 2 under door lock 1 all the way back and disconnect rods 3 (see illustration).



5. Secure lock 1 from the inside so that it does not fall into the door cavity and unscrew two bolts 5 on the end side of the door (see illustration).



6. Lower the door lock down to the mounting hole.

7. Using a 7 mm spanner, disconnect the low pressure hose 6 from the central lock actuator (see illustration).

Caution: Be careful not to damage the connector.

8. Release the plug of the microcontact (limit) switch 7 on the door by pressing the leash and disconnect it (see illustration 44.7).

Caution! In Illustration 44.7, the low-pressure hose of the central locking system and the plug of the limit switch are shown in the disconnected position for clarity.

9. Remove the lock through the mounting opening together with the connected rod.

Installation

10. Insert the lock with the attached rod into the door cavity through the mounting hole.

11. Connect the door limit switch plug and secure it.

12. Connect the low pressure hose to the central lock actuator.

13. Install the door lock in place, screw in and tighten the bolts to 8 Nm.

14. Connect the lock rods and move the lever forward as far as it will go.

15. Replace the door handle, see the relevant chapter.

16. Glue the inner door seal near the lock and install the door trim in place, see the relevant chapter.