WHAT DOES MERCEDES IGNITION SWITCH MEAN?

Unlocking and locking motor vehicle operates. All other electrics don't do the job. Batterie is Okay, fuses will also be ok. Do you think it could be the ESL or even the EIS. In case the small motor in the ESL device is damaged And that i place in a brand new motor do 1 ought to reprogram ? I observed your online video and understand how to choose