1.EDC16 ECU Type.
2.Connect VVDI MB Tool with computer and EDC16.
3.Start VVDI MB Tool software,and “Renew ECU/Gearbox”,click “Read”.
4.After reading,delete the Erase Pass.And click “Get”.
5.After get Erase pass successfully,click “Renew”.
6.Erase unit successfully.Then you can read again.
It will shows:
And in previous,the statu is :Personalized:YES;Activated:YES.