See also:

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. - Check the battery in ...

Activating/deactivating the distancewarning function
This function is only available with DISTRONIC. ► Press on the steering wheel to select the Additional functions menu. ► Press the button to select the Distance warning function ...

Setting the rear-compartment side air vents
These rear-compartment side air vents are only available if your vehicle has 3-zone automatic climate control. 1 B-pillar air vent 2 Thumbwheel for B-pillar air vent - To open/close: turn thu ...