See also:

Engine oil viscosity
Viscosity describes the flow characteristics of a fluid. If an engine oil has a high viscosity, this means that it is thick; a low viscosity means that it is thin. Select an engine oil with an ...

Displaying navigation instructions
In the Navi menu, the multifunction display shows navigation instructions. Further information. Activate COMAND. Press the or button on the steering wheel to select the Navi menu. ...

Problems with the seat ventilation
The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. Switch o ...