Lock works perfectly now.
Mercedes lock door with engine running.
The engine might not be running when the car is first parked but will come on later as the car s batteries run down.
Unfortunately i had some problems with the mercedes a glow plug went out and i decided to have all six replaced at the same time and after 6 years the vehicle battery failed and i had them replace the rv batteries at the same time.
Pull your arm out of the car before it gets pinched by the closing window.
Roll down the drivers side window.
Reach inside and hit the power lock switch and lock the doors.
Then briefly press one of the buttons to completely open and close the door once.
On those models the door lock actuators may fail causing the door lock to bounce up and down several times.
They found that there was a loose wire inside my door.
Original poster 1 point 3 years ago.
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.
There is a couple of ways to fix this problem.
Drivers can lock and unlock the car just by touching the door handles.
Open the door and exit the car.
If you turn the key from man position back to auto you must reset the sliding door.
Lock mercedes benz while engine running.
Ive done it by starting the car open drivers door hit lock button on door then use metal key inside fob to manually lock the driver door.
Lift up on the auto up driver window switch.