MERCEDES ELV REPAIR FOR DUMMIES

Unlocking and locking automobile will work. All other electrics never function. Batterie is Okay, fuses are Alright. Do you think it may be the ESL or maybe the EIS. Should the little motor in the ESL device is damaged And that i put in a completely new motor do a person have to reprogram ? I noticed your movie and know how to choose out the ESL. F