Mercedes Benz W124 Driver Door Wont Lock

If a door unlocks but will not lock again then replace the door switch.

Mercedes benz w124 driver door wont lock.

2010 mercedes e350 driver door wont lock or unlock with remote or lock button answered by a verified mercedes mechanic we use cookies to give you the best possible experience on our website. Finally on some of the later 123 models they used a white plastic part inside to control the door lock function. Perhaps your mercedes locks work but they open and close slowly. You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working.

I have a 1995 e300d w124 which had a similar problem to that of the original post. Opening the driver door while all the other doors were locked would set off the alarm. I replaced the vacuum element actuator which did not solve the problem. There is a part inside the latch that breaks.

Using the key in the driver door lock would lock all doors except for the driver door. Apply wd 40 or equivalent product directly into the lock. Step by step tutorial w124 how to remove exterior front door handle on 1995 mercedes e320 e420 e500. If a door unlocks but will not lock again then replace the door switch.

Secondly the latch mechanism can fail and the door will not stay shut. You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working. Open and close lock to recalibrate. Apply wd 40 or equivalent product directly into the lock.

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