Automatic headlamp mode
To switch on automatic headlamp
mode: turn the light switch to
or
.
SmartKey in position 1 in the ignition lock:
the parking lamps are switched on or off automatically depending on the brightness of the ambient light.
With the engine running: depending on the brightness of the ambient light, the daytime running lamps or the low-beam headlamps are switched on or off automatically.
When the low-beam headlamps are
switched on, the 
indicator lamp in
the
instrument cluster lights up.
WARNING
If the light switch is set to
or , the
low-beam headlamps will not come on
automatically if it is foggy. This could
endanger you and others. Therefore, turn the
light switch to in fog.
The automatic headlamp feature is only an aid. The driver is responsible for the vehicle's lighting at all times.
See also:
Drive sensibly – save fuel
Observe the following tips to save fuel:
•► The tires should always be inflated to the
recommended tire pressure.
•► Remove unnecessary loads.
•► Remove roof racks when they are ...
Activating/deactivating PRE-SAFE®
Brake
PRE-SAFE® Brake is only available in vehicles
with DISTRONIC PLUS.
– Press the or
button on the
steering wheel to select the DriveAssist
menu.
– Press or
to select PRE-SAFE
Brake.
– P ...
Activating/deactivating airrecirculation
mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the
vehicle will then be recirculated.
WARNING
Fogged windows impai ...