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.
Mercedes a class door lock bounce.
Sometimes the locks work fine others can take 5 or more attempts.
The way that this fix works is by creating resistance at the door lock pin.
This prevents the door lock pin from bouncing up and down when you lock the door or when the doors lock automatically.
I have mercedes benz c class estate 2009 model that has developed a door locking issue.
If you want to reactivate the beep feature.
When both locking or unlocking using the remote fob the front door locks bounce up and down and either don t lock or don t unlock depending whether i m locking or unlocking.
Take 1 inch of electrical tape and apply it around the door lock pin.
Press and hold both the lock and unlock buttons on the remote for at least two seconds.
Ensure the door pin can go up and down.
Our local mechanic couldn t identify a problem.
Watch for the hazard lights to flash.
Your door lock should not bounce up and down anymore.
It seems to only play up once a month or so but now the front.
The front door locks on my c180 kompressor estate 52 plate 2003 model have an intermittant fault.
I have seen plenty of people complaining of the same fault.
Take your mercedes benz for a test drive.
I took it to a mercedes benz specialist and they said it could be a door actuator.
Bouncing door lock is a common failure on mercedes cars.
Press both the lock and unlock buttons on your remote for two seconds.
Mercedes benz c e clk w203 w209 w211.
Lock the doors and confirm that the horn does not sound.