How to: CGDI Prog MB tool reset/renew Mercedes-Benz w204 used elv on bench (and you can teach in to other car). Follow CGDI MB ELV W204 wiring diagram to setup connection Open CGDI MB software Select ELV->W204, W207, W212->Read ELV data Read data success Get Erase password Erase password calculated successfully Press Erase ELV Erase the ELV success…