Mercedes A Class Rear Door Wont Lock

I have just acquired a 2008 w204 c320 cdi sport saloon and have also just found out that the rear left door lock does not go up or down and its stuck in the unlock position hence doesn t lock when the lock button is pressed.

Mercedes a class rear door wont lock.

I took it to a mercedes benz specialist and they said it could be a door actuator. Perhaps your mercedes locks work but they open and close slowly. Now the rear door on the same side has the same problem. Earlier this year the driver s door would occasionally not open unless i pressed the key fob repeatedly.

Our local mechanic couldn t identify a problem. It seems to only play up once a month or so but now the front. I have seen a couple of used door lock actuators on ebay for under 60 for my car. I have been quoted 1000 at the mercedes main dealer so wanted to know if anyone had any advice on what it could be before i commit to spending that much.

Question rear door wont open on my 2009 200 c class jq. This issue is a failure of the internal door lock actuator which is failed in the lock position which is causing the door not to open. So my question is this. There is a couple of ways to fix this problem.

This is a costly component to replace at the repair shop but it is something you can do at home. Mercedes benz vehicles such as e c s ml gl r class are designed to automatically lock the doors as soon as you start to drive. How to replace door lock actuator if the door locks in your c class are bouncing up and down or are otherwise not functioning properly the system s actuator might be broken. Find the answer to this and other mercedes questions on justanswer.

It does not work with either the central locking or auto lock on movement of the vehicle. If a door unlocks but will not lock again then replace the door switch. It has to be manually locked and released. On those models the door lock actuators may fail causing the door lock to bounce up and down several times.

Open and close lock to. Apply wd 40 or equivalent product directly into the lock.