Mercedes A Class Rear Door Lock Problem

You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working.

Mercedes a class rear door lock problem.

There is a couple of ways to fix this problem. 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. 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. This was done on a 2004 mercedes c230 kompressor sport coupe.

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. Apply wd 40 or equivalent product directly into the lock. The national highway transportation and safety administration nhtsa issued a recall for select 2009 mercedes s class sedans. 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.

I have mercedes benz c class estate 2009 model that has developed a door locking issue. This is a costly component to replace at the repair shop but it is something you can do at home. I took it to a mercedes benz specialist and they said it could be a door actuator. Earlier this year the driver s door would occasionally not open unless i pressed the key fob repeatedly.

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. Our local mechanic couldn t identify a problem. Door lock bouncing up and down.

Mercedes a b r class w169 w245 w251 door lock actuator spring lock repair instructions rear door. Open and close lock to. On those models the door lock actuators may fail causing the door lock to bounce up and down several times.