Unlocking and locking car or truck is effective. All other electrics tend not to function. Batterie is Okay, fuses are Okay. Do you're thinking that it may be the ESL or perhaps the EIS. In the event the minimal motor within the ESL unit is damaged And that i put https://mercedes-m156-c63-cam-adj22951.bloggip.com/28208584/not-known-factual-statements-about-mercedes-keys