See also:

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

COMAND display
Display overview The COMAND display shows the function currently selected and its associated menus. The COMAND display is divided into several areas. The radio display is shown in the example. ...

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" sec ...