Rear passenger door won't open
The rear passenger door on my car started to act up.
It won't open when I unlock the door. I tried to open with the door handle but it just won't budge..
Has anyone have the same problem before?
Thanks..




The door just wont open.

I'm thinking about removing the panel from the inside to see what is going on.





If you seldom use this door, I guess the weatherstripping can seal the door to the sill. But you have pulled strongly on it, I'm sure.
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So I tried to remove the electrical connector but couldn't.
I pushed the tab loose and pulled the sleeve but still couldn't remove the connector.
The next thing is to remove two screws.. that is my next step..
I was able to open the panel but still couldn't open the door..
I pulled the metal cable.. Tried to open from the outside but still couldn't open the freaking door..
It drives me nut....


I hit the surrounding area of the door handle hoping that can release the latch but no help..
The last resort is to drill out all the rivets and remove the aluminum plate to take a look inside..
I found a few used one on Ebay and they are not that expensive..
https://www.ebay.com/itm/Mercedes-C3...4AAOSw2fNcoqTN
But let me check all the fuse one more time before I drill the rivet out ... just to make sure...


I tried to hit the door from the outside, inside but it still won't move..
Does anyone know where I can find the repair manual for W212??
I tried to search our forum and online but couldn't find it..




I tried to hit the door from the outside, inside but it still won't move..
Does anyone know where I can find the repair manual for W212??
I tried to search our forum and online but couldn't find it..
I have the exact same problem on the same door.
Please tell me if you ever got it open and whet you had to do.
I want to drill out the rivets but not for nothing.

If you could give me any more info, I sure would appreciate it.
Thank you!
Last edited by adsldrew; Feb 26, 2021 at 08:45 PM.






I tried to hit the door from the outside, inside but it still won't move..
Does anyone know where I can find the repair manual for W212??
I tried to search our forum and online but couldn't find it..
It was opening using the inner door handle but the seller put the child lock on and shut the door, now it's stuck shut.
I guess I need to strip the door and drill the rivets out
How hard was the panel to get off with the door closed ?
Did you ever fix it ?




It was opening using the inner door handle but the seller put the child lock on and shut the door, now it's stuck shut.
I guess I need to strip the door and drill the rivets out
How hard was the panel to get off with the door closed ?
Did you ever fix it ?
Guess what controls the tik-tok??
The DCM module with unsoldered pins
It's also possible the lock itself is worthless...
Go for easiest first!

Last edited by CaliBenzDriver; Jan 30, 2022 at 03:25 PM.




Time to drill the inner plate.
They found a way to design a door handle mechanism that gently wears out after x-many cycles then fails.
Last edited by CaliBenzDriver; Jan 30, 2022 at 03:38 PM.








I did not know this problem has been so prevalent.
I hope we can get couple good pics of the latch actuator. I am curious to see how MB designed their limited life handle.

Last edited by CaliBenzDriver; Jan 31, 2022 at 01:41 AM.


