Сообщение от GLS320d

Wow, I am in a big problem.
GL320 *
Deleted by mistake all data from SAS Steering Angle
Rear Light come on or not - revers camera off - turn signal light come on for a couple of seconds - no revers light and no stoplight.
My car is over 20 days in the MB service - cant find or not know what to do.
If someone knows or experiences the same problem please give help to me.