See also:

Problems with the transmission
Problem Possible causes/consequences and Solutions The transmission has problems shifting gear. The transmission is losing oil. - Have the transmission checked at a qualif ...

De-registering (de-authorizing) a mobile phone
Mercedes-Benz USA, LLC recommends deauthorizating in both COMAND and the mobile phone. Subsequent authorization may otherwise fail. To call up the telephone menu: press the function button ...

SmartKey
Display messages Possible causes/consequences and Solutions Key Does Not Belong to Vehicle You have put the wrong SmartKey in the ignition lock. Use the correct Smart ...