Mercedes W204 Door Lock Actuator

My 300sd has single vacuum port on door lock actuator the 80 and 81 300d have dual port actuator.

Mercedes w204 door lock actuator.

Due to their frequent use the springs in the door lock actuator mechanism wear out over time. Even with the door card removed the lock mechanism cannot be accessed without also drilling out it s riveted all round and removing an all over aluminium inner panel and this would be difficult with. Whereupon they either don t work at all or otherwise bounce up and down. This can result in the car s locks malfunctioning.

Mercedes benz w124 e class technical articles front door latch and vacuum actuator replacement pelican technical article. Front door latch and vacuum actuator replacement. On the front door the outer handle also has to be removed and the torx holding the lock in place cannot be accessed until the door is open. Large image extra large image.

Take the door panels off unplug vacuum line from actuator you can do it without unbolting anything except the door panel. This article applies to the mercedes benz c class w204 2007 2014.