GETTING MY MERCEDES EIS REPAIR TO WORK

Unlocking and locking car or truck operates. All other electrics never do the job. Batterie is Alright, fuses also are Alright. Do you believe it may be the ESL or even the EIS. Should the tiny motor inside the ESL unit is damaged and I place in a brand new motor do one must reprogram ? I observed your video and learn how to choose out the ESL. Fol