If so replace the fuse.
Mercedes door lock actuator problem.
The springs within the door lock actuator mechanisms deteriorate over time the oem spring is made from cheap metal which wears quickly this wear leads to the symptoms noted above.
Check your fuse box first to determine if a blown fuse is keeping the lock from working.
Finding it increasingly difficult to lock your mercedes.
Check your fuse box first to determine if a blown fuse is keeping the lock from working.
Usually a bad or failing power door lock actuator will produce a few symptoms that can notify the driver of an issue that should be serviced.
If just one lock won t open on your mercedes then the problem may rest with broken wiring a bad solenoid or perhaps with a blown fuse.
This happens because the actuators in one of the doors is defective.
There is a couple of ways to fix this problem.
Unusual noises coming from inside the door are one of the first symptoms of a potential problem with a power door lock actuator.
This is also known as the machine gun locks problem.
Unusual noises coming from inside the door.
If just one lock won t open on your mercedes then the problem may rest with broken wiring a bad solenoid or perhaps with a blown fuse.
Due to their frequent use the springs in the door lock actuator mechanism wear out over time.
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.
Simply install our improved design replacement springs and restore your locks for good.
Whereupon they either don t work at all or otherwise bounce up and down.
You can try to replace the whole actuator or replace the broken part inside it.
Are your mercedes benz ml door locks moving up and down rapidly on your ml.
If so replace the fuse.
This article applies to the mercedes benz c class w204 2007 2014.
On those models the door lock actuators may fail causing the door lock to bounce up and down several times.
This can result in the car s locks malfunctioning.