The issue of the mercedes door lock actuator bouncing up and down affects the w203 c class and.
Mercedes a class rear door lock problem.
I took it to a mercedes benz specialist and they said it could be a door actuator.
Remove the door pin or at least pull it up in the unlock position.
If key fob is working you may have a faulty key fob which can be repaired or replaced by taking it to your dealer.
This was done on a 2004 mercedes c230 kompressor sport coupe.
I have mercedes benz c class estate 2009 model that has developed a door locking issue.
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.
Ensure the door pin can go up and down.
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.
Take your mercedes benz for a test drive.
Take 1 inch of electrical tape and apply it around the door lock pin.
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.
The circumstances were uncannily alike both owners had purchased used a class both had only owned them for a few weeks.
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.
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.
It seems to only play up once a month or so but now the front.
What you need to do is to apply a small amount of tape to the door lock pin.