See also:

Engine number
1 Emission control information plate, including the certification of both federal and Californian emissions standards 2 Engine number (stamped into the crankcase) 3 VIN (on the lower edge of ...

Warning and indicator lamps
  ...

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 ac ...