See also:

Transfer case
The vehicle has permanent 4-wheel drive (4MATIC). Power is always transmitted to both axles. Performance tests may only be carried out on a 2-axle dynamometer. The brake system or transfer ca ...

Setting the side air vents
► To open/close: turn thumbwheel 3 to the left or right. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

General notes
The Driving Assistance package is only available on vehicles with HYBRID. The Driving Assistance package consists of DISTRONIC PLUS, Blind Spot Assist and Lane Keeping Assist. ...