Don't pay a mechanic $150 for a diagnostic just to find out a $0.50 fuse is blown.
If you have fixed the underlying issue but the code is still stored in the system, you might need to clear it. mercedesbenz errorb1fbd54 free
Before visiting a shop, some owners have success with a hard reset of the infotainment system: Simultaneously press and hold the (Star) buttons on the center console. Don't pay a mechanic $150 for a diagnostic
