Mercedes A Class Rear Door Lock Problem

Ensure the door pin can go up and down.

Mercedes a class rear door lock problem.

Take 1 inch of electrical tape and apply it around 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. The issue of the mercedes door lock actuator bouncing up and down affects the w203 c class and. If key fob is working you may have a faulty key fob which can be repaired or replaced by taking it to your dealer.

Your door lock should not bounce up and down anymore. Remove the door pin or at least pull it up in the unlock position. The circumstances were uncannily alike both owners had purchased used a class both had only owned them for a few weeks. Bert rowe s mercedes benz a class info.

The way that this fix works is by creating resistance at the door lock pin. 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. 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. What you need to do is to apply a small amount of tape to the door lock pin. 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 have mercedes benz c class estate 2009 model that has developed a door locking issue.

Take your mercedes benz for a test drive. Check your fuse box first to determine if a blown fuse is keeping the lock from working.