Notice!!! If you need to carry out Mercedes Benz SCN coding function,you'd better meet following three requirements:
1.If you did not buy the MB Star diagnostic system from us,pls provide us your MB star type and software version
2.Provide us your vehicle model,system and year
3.SCN coding can be done only when you changed a new ECU.
One of our customer has tested to code an old ECU,but failed.He than changed a new ECU, it went OK.