Asked by marv mar 21 2016 at 03 17 pm about the 2008 mercedes benz m class ml 350 4matic.
Ml350 door lock not working.
2004 mercedes benz ml350 49 000 miles recently the car has stopped responding to remote locking i have to physically use the key to lock the car initially i thought it was the remote battery i changed that but didn t work i also noticed the central locking button inside the car was not working.
Check your fuse box first to determine if a blown fuse is keeping the lock from working.
Manually unlock all the doors.
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Depending on the mb class this fuse can be found in one of the fuse boxes located in the engine bay side of dashboard under rear seat or trunk.
Because your mb receives the lock unlock signal via the antennas installed on your car a bad antenna module fuse can also cause mercedes key fob to stop working.
On my 2003 ml350 the passenger front door fires several times and then fails to lock.
Had a customer who replaced the door latch but forgot to connect the wiring to the lock.
If it works sometimes you probably have a broken wire.
If a door unlocks but will not lock again then replace the door switch.
You can get the door lock actuator for a fraction of the dealer prices from amazon see here.
Did you have any work on the door recently.
Replace the door lock actuator door locks will functioned normally again.
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2008 ml 350 drivers door will not lock or open with 2008 ml 350 drivers door will not lock or open with remote or key.
If you find a blown fuse replace it.
If the lock isnâ 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.
Replacing it may require removing the car door panel.
How to replace the window regulator on ml class 1998 2005 w163 video.
When the door is open the door pin lock cannot be pushed down manually only when the door is closed.
Can lock all doors except driver s door.
I felt it was unsafe to let my family ride in this car when the door couldn t be locked and we could not leave the car unattended which was a unacceptable situation when you are out of town over the holidays.
If so replace the fuse.
Mercedes key fob batteries.
You can t even lock the door manually which is a safety concern.