See also:

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 ...

Important safety notes
WARNING When opening or closing the door windows, make sure that there is no danger of anyone being harmed by the opening/closing procedure. The door windows are equipped with automatic ...

ATTENTION ASSIST Warns Drowsy Drivers
Drowsiness is one of the most common causes of accidents. This is why Mercedes experts have developed the ATTENTION ASSIST system which forms part of the standard equipment of the new Mercedes CL- ...