A SIMPLE KEY FOR MERCEDES EIS REPAIR UNVEILED

Unlocking and locking motor vehicle performs. All other electrics will not get the job done. Batterie is ok, fuses are also Okay. Do you think it may be the ESL or perhaps the EIS. In the event the small motor during the ESL unit is broken And that i put in a whole new motor do one should reprogram ? I saw your video clip and learn how to take out