See also:

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started ...

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. ...