See also:

Roadside Assistance button
Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...

Adjusting the multicontour seat
You can adjust the multicontour seat using COMAND. ...

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