See also:

Tires
The specified tire pressure is printed in yellow on the emergency/collapsible spare wheel. ...

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 ...

Service for recovering a stolen vehicle
If your vehicle has been stolen: ► Notify the police. The police will issue a numbered incident report. ► This number will be forwarded to the Mercedes-Benz Customer Assistance C ...