Mercedes A Class Rear Door Lock Problem

Door lock bouncing up and down.

Mercedes a class rear door lock problem.

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. You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working. According to the nhtsa the exchange of a front and a rear passenger side door lock would result in a passenger side door that cannot be opened by merely pulling on the interior handle and a rear door lock that can be opened with a simple pull of the interior door. I have mercedes benz c class estate 2009 model that has developed a door locking issue.

On those models the door lock actuators may fail causing the door lock to bounce up and down several times. After trying the spring pack and dismantling the lock and replacing small spring inside car lock would only lock or unlock and involved gringing my inner doo. Our local mechanic couldn t identify a problem. I took it to a mercedes benz specialist and they said it could be a door actuator.

If a door unlocks but will not lock again then replace the door switch. Finding it increasingly difficult to lock your mercedes the springs within the door lock actuator mechanisms deteriorate over time the oem spring is made from cheap metal which wears quickly this wear leads to t. It seems to only play up once a month or so but now the front. First you can replace the door lock actuator which can cost from 150 to 450 depending on if you try to fix it yourself or have the dealer fix the problem.

Earlier this year the driver s door would occasionally not open unless i pressed the key fob repeatedly. This is a costly component to replace at the repair shop but it is something you can do at home. There is a couple of ways to fix this problem. Apply wd 40 or equivalent product directly into the lock.

Perhaps your mercedes locks work but they open and close slowly. Open and close lock to. The national highway transportation and safety administration nhtsa issued a recall for select 2009 mercedes s class sedans.