See also:

Problems with the SmartKey
Problem Possible causes/consequences and Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged. - ...

Even more effective brake discs and brake booster
The brake system helps to reduce the unsprung masses through the use of floating (four- and six-cylinder models) or fixed front callipers with housings in aluminium or aluminium composite design a ...

Active Driving Assistance package
General notes The Active Driving Assistance package consists of DISTRONIC PLUS Active Blind Spot Assist an Active Lane Keeping Assist. ...