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 sunroof or the
panorama roof with power tilt/sliding
panel are fully closed.
Make sure that all the side windows and the
sliding sunroof or panorama roof with
power tilt/sliding panel are closed.
On vehicles with roller sunblinds:
Press the button again until the
roller
sunblinds close.
To interrupt convenience closing: release the
button.
See also:
Setting the rear-compartment air
distribution using the rear control panel
Turn the SmartKey to position 2 in the
ignition lock.
Press rocker switch 13 or 16 up or down
repeatedly until the desired
air distribution symbol is shown in the
display. ...
Purity
Assuring the purity of DEF is particularly
important with respect to avoiding
malfunctions in the exhaust gas
aftertreatment system.
If DEF is pumped out of the DEF tank, e.g. during repair wor ...
Overhead control panel
Overhead control panel
...