Mercedes A Class Rear Door Lock Problem

If key fob is working you may have a faulty key fob which can be repaired or replaced by taking it to your dealer.

Mercedes a class rear door lock problem.

Take 1 inch of electrical tape and apply it around the door lock pin. Earlier this year the driver s door would occasionally not open unless i pressed the key fob repeatedly. 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. 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.

It seems to only play up once a month or so but now the front. The circumstances were uncannily alike both owners had purchased used a class both had only owned them for a few weeks. This was done on a 2004 mercedes c230 kompressor sport coupe. The way that this fix works is by creating resistance at the door lock pin.

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. 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. 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. Bert rowe s mercedes benz a class info. Ensure the door pin can go up and down. What you need to do is to apply a small amount of tape to the door lock pin.

Check your fuse box first to determine if a blown fuse is keeping the lock from working. I have mercedes benz c class estate 2009 model that has developed a door locking issue.