See also:

Fuel requirements
Gasoline engines Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Researc ...

Windows fogged up on the inside
Activate the cooling with air dehumidification function via COMAND. Activate automatic mode . If the windows continue to fog up, activate the defrosting function You should only select this ...

Important safety notes
Cruise control maintains a constant road speed for you. It brakes automatically in order to avoid exceeding the set speed. On long and steep downhill gradients, especially if the vehicle is laden ...