See also:

Cleaning the seat belts
► Use clean, lukewarm water and soap solution. Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 °F (80 °C) or placing them i ...

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 ...

Setting the front-compartment temperature using the front control panel
Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: press the rocker switch up or down. Only change the temperature setting in small increments. Start at 72 °F (22 °C ...