On those models the door lock actuators may fail causing the door lock to bounce up and down several times.
Mercedes a class door lock fault.
Currently in its third generation the c class mercedes is a compact luxury sedan that blends elegance with dependable performance year after year.
You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working.
The boot catch is known for sticking on the a class.
Perhaps your mercedes locks work but they open and close slowly.
There is a couple of ways to fix this problem.
3rd generation mercedes benz c class door lock fault since the mid 1990 s german auto manufacturer mercedes has impressed the luxury car forum with its c class series.
Once you start to notice this niggle it might be sensible to sort it immediately as if the boot lock fails and you can t access the boot it could be very inconvenient.
Door lock jumping up and down quickly door not locking or only periodically door lock rattles.
It is a common fault on these vehicles for a small spring within the door lock actuator to snap causing the symptoms noted.
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.
Details about mercedes c class w203 2000 2007 door latch actuators repair kit spring x2.
If you are finding it difficult to open the rear hatch then it is due to a problem with the boot lock.