See also:

Removing the mechanical key
- Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

Call priority
When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other active ...

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 ...