Mercedes benz vehicles such as e c s ml gl r class are designed to automatically lock the doors as soon as you start to drive.
Mercedes driver door won t lock.
My car has an automatic transmission.
You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working.
If the lock isn t getting power hold the lock switch either up or down and then open and close the door repeatedly to see if the lock will work.
My driver side door just stopped locking and unlocking when using the remote.
The solenoid is bad.
On those models the door lock actuators may fail causing the door lock to bounce up and down several times.
The remote will open and lock the other doors.
You can choose to unlock all doors or only the driver s door with this simple process.
Our jackie cooper mercedes benz tech tip.
Using the key in the driver door lock would lock all doors except for the driver door.
It s a great safety tool eve.
When this issue occurs it s.
If a door unlocks but will not lock again then replace the door switch.
Perhaps your mercedes locks work but they open and close slowly.
All of the other door lock actuators work.
Mercedes w204 door lock actuator replacement removal c200 c250 c300 c350 c220 c260 c280 2008 2009 2010 2011 2012 2013 2014 2015 our website.
You have a broken wire.
Again if one door doesn t work but others do the problem could be with the door lock solenoid.
There is a couple of ways to fix this problem.
Driver door lock won t lock i have a 1995 e300d w124 which had a similar problem to that of the original post.
2010 c300 driver side door lock actuator was not working and door would not lock i replaced actuator and the door now closes and latches but the actuator still does not work.
My car has 67000 miles.
Apply wd 40 or equivalent product directly into the lock.