DETAILS, FICTION AND MERCEDES KEYS

Unlocking and locking car or truck will work. All other electrics never function. Batterie is ok, fuses will also be Okay. Do you think it may be the ESL or the EIS. Should the little motor during the ESL device is damaged And that i set in a fresh motor do just one ought to reprogram ? I observed your video and learn how to just take out the ESL.