ml320 cdi 2007 Right door won't unlock with key black lever won't unlock door behind
let's like a pin is sheared off inside.
lifting black lever in key hole unlocks the door.
Replaces with a working key cylinder.
Still won't unlock
Now the black lever doesn't unlock door anymore.
Could a fuse be broken.
Remote still unlocks and locks door .
If battery runs down I can't get in.
How to fix please any advise
Key cylinder
Black lever behind key cylinder
Back of key cylinder


