Mercedes A Class Rear Door Lock Problem

Ensure the door pin can go up and down.

Mercedes a class rear door lock problem.

I have mercedes benz c class estate 2009 model that has developed a door locking issue. What you need to do is to apply a small amount of tape to the door lock pin. I took it to a mercedes benz specialist and they said it could be a door actuator. Our local mechanic couldn t identify a problem.

Earlier this year the driver s door would occasionally not open unless i pressed the key fob repeatedly. The actuator will have to be replaced which will require the door panel to be removed and with the door closed this won t be easy and needs to be done by a garage or dealer that has done this before. Take your mercedes benz for a test drive. The way that this fix works is by creating resistance at the door lock pin.

Your door lock should not bounce up and down anymore. It seems to only play up once a month or so but now the front. Remove the door pin or at least pull it up in the unlock position. Take 1 inch of electrical tape and apply it around the door lock pin.

If key fob is working you may have a faulty key fob which can be repaired or replaced by taking it to your dealer. The issue of the mercedes door lock actuator bouncing up and down affects the w203 c class and. This was done on a 2004 mercedes c230 kompressor sport coupe. And the door lock problem turned out to be an identical problem in that the internal locking button cable had broken at the lock end leaving an s shaped length of the cable rod a see below which prevented the vacuum locking mechanism from working.

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. If just one lock won t open on your mercedes then the problem may rest with broken wiring a bad solenoid or perhaps with a blown fuse.