Mercedes A Class Door Lock Fault

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Mercedes a class door lock fault.

Because your mb receives the lock unlock signal via the antennas installed on your car a bad antenna module fuse can also cause mercedes key fob to stop working. 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. With its varied options for technological conveniences a major inconvenience some c class owners have found is door lock faults on their new c class mercedes vehicles. There is a couple of ways to fix this problem.

Perhaps your mercedes locks work but they open and close slowly. 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. Mercedes benz keyless go entry door exterior handle push lock button square cover rubber plastic repair kit install instructions.

Apply wd 40 or equivalent product directly into the lock. It is cause by the failure of a small sp. If you find a blown fuse replace it. I have seen plenty of people complaining of the same fault.

Depending on the mb class this fuse can be found in one of the fuse boxes located in the engine bay side of dashboard under rear seat or trunk. Bouncing door lock is a common failure on mercedes cars. On those models the door lock actuators may fail causing the door lock to bounce up and down several times.