On those models the door lock actuators may fail causing the door lock to bounce up and down several times.
C class door lock problem.
Make sure that the end piece of the blade key is pointing away from the car door so that you do not scratch it.
Mercedes benz vehicles such as e c s ml gl r class are designed to automatically lock the doors as soon as you start to drive.
Age wear and tear can take its toll on even the finest of cars.
I have mercedes benz c class estate 2009 model that has developed a door locking issue.
The fob unlocks and opens the trunk but it just wouldn t lock the car.
Earlier this year the driver s door would occasionally not open unless i pressed the key fob repeatedly.
Regular maintenance can prevent some problems but servicing your car as soon as a problem surfaces can keep things from escalating.
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.
Take the blade key and press it into the slot.
Before now if i remove the silver key from the fob and i use it to unlock the car manually it begins to sound an alarm but now it doesn t sound that alarm anymore.
Door lock problems that are a result of debris jamming up the keyway should not be ignored because they can potentially result in more problems like breaking a key in a lock.
Even though the fob unlock it if i manually lock the 4 doors.
To access the mechanical lock find the small slot located underneath the door handle.
This is a costly component to replace at the repair shop but it is something you can do at home.
The end cap will release and expose the mechanical lock.
Several types of door lock problems have been identified across the.
There is a couple of ways to fix this problem.
Hi there my w204 c class fob would not lock the car.
Then pull the blade key away from the door.
I took it to a mercedes benz specialist and they said it could be a door actuator.
Also a broken bolt or latch that causes your door lock to jam might be a symptom of a much larger issue like an attempted home break in.