Benz SCN Coding First step: Choose the car model and programming system(eg,headlight XALWA-L) Second step: Choose CONTROL unit adaptations Third step: Choose offline program (CONTROL MODULE PROGRAMMING）then（SCN coding） Fourth step: Choose online &ask for remote assistance(teamviewer),then we will receive and operate. Fifth step:login server(DALMLER) Sixth step:login server and finish SCNcoding automotively Reference: