WHAT DOES MERCEDES IGNITION SWITCH MEAN?

Unlocking and locking car operates. All other electrics never work. Batterie is Okay, fuses can also be ok. Do you believe it may be the ESL or the EIS. In the event the small motor inside the ESL unit is broken and I place in a whole new motor do 1 need to reprogram ? I saw your online video and know how to take out the ESL. Followup from your Pel