See also:

Activating audio AUX mode
When you connect an external audio source, audio AUX is not selected automatically. Select Audio in the main function bar by sliding and turning the COMAND controller and press to confirm. ...

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" ...

GVW (Gross Vehicle Weight)
The gross vehicle weight comprises the weight of the vehicle including fuel, tools, the spare wheel, accessories installed, occupants, luggage and the drawbar noseweight, if applicable. The gr ...