GETTING MY MERCEDES EIS REPAIR TO WORK

Unlocking and locking vehicle will work. All other electrics usually do not do the job. Batterie is Okay, fuses will also be Okay. Do you think that it may be the ESL or perhaps the EIS. Should the little motor within the ESL device is broken and I put in a different motor do a person should reprogram ? I saw your video and learn how to consider ou