Perhaps your mercedes locks work but they open and close slowly.
Mercedes a class door lock fault.
Open and close lock to.
Details about mercedes c class w203 2000 2007 door latch actuators repair kit spring x2.
On those models the door lock actuators may fail causing the door lock to bounce up and down several times.
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.
It is a common fault on these vehicles for a small spring within the door lock actuator to snap causing the symptoms noted.
You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working.
If a door unlocks but will not lock again then replace the door switch.
The boot catch is known for sticking on the a class.
Currently in its third generation the c class mercedes is a compact luxury sedan that blends elegance with dependable performance year after year.
Door lock jumping up and down quickly door not locking or only periodically door lock rattles.
If you are finding it difficult to open the rear hatch then it is due to a problem with the boot lock.
Apply wd 40 or equivalent product directly into the lock.