Mercedes A Class Door Lock Problem

Quickly remove key from ignition and within 10 seconds hold down the lock button.

Mercedes a class door lock problem.

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. In older mercedes models an ignition key may be the primary method of starting entering and locking your car. Vacuum door locks were invented decades ago and remain a part of many vehicle designs today. There is a couple of ways to fix this problem.

The type of key your mercedes utilizes will dictate the route of diagnosis and methods of problem solving when something goes wrong with it. Continue holding the lock button and at the same time press the unlock button five times. Check your fuse box first to determine if a blown fuse is keeping the lock from working. On those models the door lock actuators may fail causing the door lock to bounce up and down several times.

Newer mercedes models utilize keyless entry remotes or key fobs. The issue of the mercedes door lock actuator bouncing up and down affects the w203 c class and. The door lock problem was discovered at an assembly plant in may 2017 but only one car had the problem. This was done on a 2004 mercedes c230 kompressor sport coupe.

Mercedes engineers investigated and determined riveting problems occurred at the supplier. Did you hear any signs of life whatsoever when you attempt to crank the engine. 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. Next release all buttons and press the gate trunk button one time.

Electrical systems malfunction in mercedes benz. One of the common issues that are present in a range of mercedes vehicles is problems with the vacuum door locks. As noted mercedes owners share this faulty ignition problem more often than other drivers. If so replace the fuse.