See also:

Checking tire pressure electronically
Make sure that the SmartKey is in position 2 in the ignition lock. Press the or button on the steering wheel to select the Service menu. Press the or button to select Tire Pressure. ...

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. ...

GTW (Gross Trailer Weight)
The GTW is the weight of a trailer including the weight of the load, luggage, accessories etc. on the trailer. ...