The door locks on many w123 mercedes benz are locked and unlocked using vacuum produced by the vacuum pump on the engine.
Mercedes w123 door lock repair.
Mercedes used this system early in their cars because it was more reliable and cheaper than early electronics.
Common item that leaks is the vacuum operated lock actuators.
The main moving part is a set of rubber diaphragms that with age get brittle and.
For complete instructions and parts needed to fix your door locks and other related vacuum problems go here.
Antique benz car carburetor cleaner diy door fixing lock mercedes repair vehicle w123 wd 40 workshop.
That runs to the door latch and lock yellow arrow.
Leaks in the door lock system can cause the door locks to operate poorly.
The door locks on many w123 mercedes benz are locked and unlocked using vacuum produced by the.
The door lock system on a w123 is controlled entirely by vacuum.
While most people get intimidated by the system it is relatively easy and simple once you understand it.
One common item that leaks is the vacuum operated lock actuators.
It is a system made of many parts and can be complicated to diagnose properly if you ve never done it before and especially if the system has been left to deteriorate for some time.
Leaks in the door lock system can cause the door locks to operate poorly.
The central locking system on the w123 is run by vacuum.
W123 door lock vacuum actuator early style repair.