Mercedessource product step by step procedures to show you how to isolate and fix those malfunctioning door locks w126 vacuum door locks on the 1981 to 1991 380se 380sel 300sd 500sel 300sdl 420sel 300se 300sel 560sel 350sd and 350sdl are prone to problems.
1991 mercedes 300sl door lock problems.
Check the harness in both front door for the lock cylinders i ve seen them fall out of the holders and get cut by the tumbler arm making all kinds of strange complaints.
1991 300sl 71k miles young.
The drivers door element the gas flap element.
Okay that s what i thought looks like my troubleshooting is even par to this point.
Shop dealer price 109 45 124 05.
The power door lock actuator is the part of the power door lock system that actually controls the locks.
Age wear and tear can take its toll on even the finest of cars.
What is vacuum door lock.
Service type power door locks are not working inspection.
This even includes the mercedes benz automobile.
The back right door unlocks but doesn t lock and the fuel filler cap does not work at all.
The vacuum door lock feature is a system that was patented and designed by mercedes benz.
For starters the systems are getting old and with age comes common leaks and failed actuators.
Because of this the vacuum door lock system does actually serve.
Address those problems first.
The actuator is a series of gears with a set of.
Last edited by iceman805.
Drivers side door trunk fuse panel blown fuse.
Air pump the doors to all unlock i gas cap i have a 1991 mercedes 190e and the air pump locking system is broken.
The system also suffers from motor and.
Malfunctioning power door lock actuator.
Regular maintenance can prevent some problems but servicing your car as soon as a problem surfaces can keep things from escalating.
The lock switch in the door handle sends a 12 volt signal to unlock or a ground signal to lock when the key is turned.
1991 mercedes benz 300sl l6 3 0l.
Several types of door lock problems have been identified across the.
Because i can t get the doors to all unlock i can t get the gas cap door to open.
It has been used as an anti theft device in older model mercedes.