Whereupon they either don t work at all or otherwise bounce up and down.
Mercedes w204 door lock actuator.
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.
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.
This can result in the car s locks malfunctioning.
Due to their frequent use the springs in the door lock actuator mechanism wear out over time.
Front door latch and vacuum actuator replacement.
Green arrow the latch pull and element joiner red arrow the door latch lock yellow arrow and the vacuum element blue arrow.
This article applies to the mercedes benz c class w204 2007 2014.
I plugged mine with golf tees while testing.
Large image extra large image.
My 300sd has single vacuum port on door lock actuator the 80 and 81 300d have dual port actuator.