If Mercedes S class (W221) is not opened by an emergency key ("beak"), it might be the lock of the lock. To fix the problem, you can try cleaning the larvae. To do this, you remove the door handle and remove the larvae with plastic. Then we disconnect the plastic and get the larvae.
Let' s get the larvae off.
We process the entire WD-40 machine and lubricating oil. After that, we put it back together, without turning the tracks wrong.
Set the larvae to the spot.
