See also:

Vehicle remote opening
If you have unintentionally locked your vehicle (e.g. the SmartKey is still in the vehicle) and a replacement SmartKey is not available, the vehicle can be opened by a Mercedes-Benz Customer A ...

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. ...

Using the SmartKey
The SmartKey must be close to the driver's door handle. Point the tip of the SmartKey at the driver's door handle. Press and hold the button until the side windows and the sliding sunr ...