Like a hydraulic system the vacuum door lock is dependent upon a closed system of forced matter air that operates the door lock.
Vacuum door lock system.
Leaks in the air tubes cause air to escape in and out and make it as useful as a tire with a hole in it.
Well not does it only pull in those heavy doors on the s500 but it also op.
The vacuum door lock feature is a system that was patented and designed by mercedes benz.
How to address vacuum door lock failure the most important first step in addressing your mercedes door lock failure is to bring it to a mercedes specialist in your area.
Vacuum type door locks found mostly on mercedes benz vehicles the movement of the door lock actuators is controlled by a central vacuum pump.
A problem with the vacuum door lock can be dangerous mostly to the belongings in your car rather than your safety.
Any change in the amount of air in that system outside the given parameters takes power away from it.
One of most common reasons that the vacuum door lock fails is because of a leaking actuator.
It is a locking system that is vacuum based and uses pressure to lock all doors at the same time.
This system is a patented system designed by mercedes benz called central locking system the vacuum based locking system uses pressure to lock all doors simultaneously including a gas cap lock and trunk and has been in use since 1968 by merce.
In this episode we are fixing the vacuum pump that operates the soft close doors.
It has been used as an anti theft device in older model mercedes.
The switch changes polarity on a single wire that may rest at power or ground depending on the state of the door locks.