Mercedes C Class Drivers Door Wont Lock

I have mercedes benz c class estate 2009 model that has developed a door locking issue.

Mercedes c class drivers door wont lock.

Perhaps your mercedes locks work but they open and close slowly. 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. It seems to only play up once a month or so but now the front. Open and close lock to.

Even though the fob unlock it if i manually lock the 4 doors. 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. 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. On those models the door lock actuators may fail causing the door lock to bounce up and down several times.

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. Hi there my w204 c class fob would not lock the car. To access the mechanical lock find the small slot located underneath the door handle.

Apply wd 40 or equivalent product directly into the lock. 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. I took it to a mercedes benz specialist and they said it could be a door actuator.

You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working. Then pull the blade key away from the door. Take the blade key and press it into the slot. If a door unlocks but will not lock again then replace the door switch.