Open and close lock to recalibrate.
Mb front door handle light always on after door closed.
Door locking problems almost always originate in the door latch not the locking mechanism.
Perhaps your mercedes locks work but they open and close slowly.
This action opens and closes an electrical circuit sending a signal to your vehicle s computer activating the door ajar warning light when the door is open.
I heated the shop to perform a 20k maintenance on the car which thawed the car out for the first time in a couple months.
The sensor typically uses a switch with a spring loaded plunger that is compressed when the door is closed and is released when the door is open.
Well in that case if trying to clean unsticking the door lock actuator and then spraying with some white lithium grease and still won t free up the inside door panel will have to be removed i am pretty sure you will have to drill out the rivets on the inside to access the actuator then put 4mm or 5mm screws back on it when finished there are several electrical plugs you can t see until the.
After reading this thread i decided to swap out the plunger courtesy switch on the driver s side.
When you come in kick the door shut wash your hands then lock the door a us doctor advises.
It turns out that i had a very easy one this time.
The door locks on the driver s door or the rear right door occasionally do not lock unlock when called for either by keyless go touching the outside inside of the exterior door handle or the central lock buttons on the front doors.
It caused ice between the door seal and the door to melt and subsequently refreeze once the car went outside essentially freezing the door closed.
If a door unlocks but will not lock again then replace the door switch.
Apply wd 40 or equivalent product directly into the lock.
I had the same issue with my 2002 tundra.
How to fix a door that will not lock.
You likely have a shorted door lock actuator which you can replace with a new unit for the lock that is not working.
Source istock when it comes to taking extra hygiene precautions you can never be too safe.