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W168 (1997-2004)
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  • Central lock microswitch — removal and installation

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

0
Contents: Removal ↡ Installation ↡
Cars without remote control.


Removal



Attention! To replace the central door lock contact switch, you need a complete repair kit consisting of a switch, bushings and a plug.


1. Disconnect the ground (-) wire terminal from the negative battery terminal, after turning off the ignition.

Warning! When you disconnect the battery from the radio, the security code is deleted, as well as all automatic settings on the radio station. If the code is unknown or not written down, then the radio can only be put into operation by resorting to the help of a workshop or the manufacturer of the radio. Therefore, make sure in advance that the code is known.


2. Remove the door trim, see the relevant chapter.

3. Carefully remove the sealing film near the door lock.

4. Disconnect the microcontact switch 1 from the door lock by pressing its locking lever on the housing (see illustration).

4. Disconnect the microcontact switch 1 from the door lock by pressing its locking lever on the…


Caution! For clarity, the low pressure hose and micro contact switch are shown in the disconnected position in the illustration.


5. Cut the clamp that secures the microcontact switch wire, marking its mounting position.



6. Cut the wires of the micro-contact switch, leaving about 300 mm from it.

Installation



7. Insulate the ends of the micro contact switch wires, solder the connectors and connect them to the switch.

Attention! The connectors are included in the switch repair kit.


8. Connect the switch to the door lock.

9. Secure the switch wire with the appropriate clamp in the same place where the previous clamp was located.

10. Carefully glue the door seal near the lock.

11. Replace the door trim, see the relevant chapter.

12. Connect the negative (-) terminal of the battery cable.

13. Enter the security code into the radio and set the clock.
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The article has been verified: Lukyanov Nikita Ilyich
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A-Class W168 / Interior (all models)
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Central lock
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Central lock actuator — replacement
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W168 (1997-2004) 
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