See also:

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. Driver's and front-passenger ...

Please bear the following in mind
At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center. Observe the notes in the "Changing a wheel" ...

Shifting to transmission position D
- When the vehicle is stationary, depress the brake pedal. - Push the DIRECT SELECT lever down past the first point of resistance. ...