See also:

Roadside Assistance button
– Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...

Switching on/off
The three red indicator lamps in the button indicate the heating level you have selected. If the battery voltage is too low, the seat heating may switch off. One or more of the indicator lamp ...

Other status indicators of the navigation system
 - : you have reached the destination or an intermediate destination.  - New Route... or Calculating Route: a new route is being calculated.  - Off Map or Off Mapped Road: the ...