Hi I working on slk320 r170 and someone was here before me,

First i read eeprom and kr55 or vvdi2 didn’t open it so kr55 whatapp support fix eeprom and send me that back so we wrote the fixed eeprom back to skeem, I program key but get “start error” and car not start or crank

I toke the skeem and ecu with me,
Can someone help me to fix?