Mercedes Door Lock Actuator Problem

Stealership wanted to replace entire door lock actuator but an independent dealer in the san francisco bay area simply replaced a spring inside my door lock actuator.

Mercedes door lock actuator problem.

Open and close lock to recalibrate. 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 a door unlocks but will not lock again then replace the door switch. A mercedes benz 600 sel door lock actuator replacement costs between 136 and 163 on average.

This article applies to the mercedes benz c class w204 2007 2014. The door actuators are connected to the main actuator in the driver side door by a series of hard plastic vacuum lines. Apply wd 40 or equivalent product directly into the lock. The tank in the trunk stores enough vacuum for approximately 10 lock unlock functions with the car off and then the locks will have to be opened manually.

Whereupon they either don t work at all or otherwise bounce up and down. I bought the springs from some company in germany on ebay for less than 20. Search w164 door lock actuator spring in ebay. This can result in the car s locks malfunctioning.

You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working. Unusual noises coming from inside the door are one of the first symptoms of a potential problem with a power door lock actuator. Problems mercedes benz ml350. Most power door locks operate using gears or motors that may quietly whir or make noise when they operate.

Unusual noises coming from inside the door.