See also:

Correct use of the seat belts
WARNING USE SEAT BELTS PROPERLY • Seat belts can only work when used properly. Never wear seat belts in any other way than as described in this section, as that could result in serious injur ...

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 ...

Folding the exterior mirrors in or outelectrically
► Make sure that the SmartKey is in position 1 or 2 in the ignition lock. ► Briefly press button 1. Both exterior mirrors fold in or out. Make sure that the exterior mirrors are ...