See also:

Emergency Tensioning Devices, belt force limiters
The front seat belts and the outer seat belts in the rear are equipped with ETDs and seat belt force limiters. The ETDs tighten the seat belts in an accident, pulling them close against the bod ...

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
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. ...