MERCEDES ESL EMULATOR THINGS TO KNOW BEFORE YOU BUY

Unlocking and locking vehicle functions. All other electrics do not function. Batterie is ok, fuses will also be Okay. Do you think that it could be the ESL or even the EIS. If your little motor within the ESL device is broken And that i put in a completely new motor do a person must reprogram ? I observed your video and know how to consider out th