Front fog lamps
WARNING
If you suspect that driving conditions will be
foggy, turn the light switch to
before you
start your journey. Otherwise, your vehicle
may not be visible and you could endanger
yourself and others.
WARNING
In low ambient lighting or foggy conditions,
only switch from position 
to
with
the vehicle at a standstill in a safe location.
Switching from to
will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions may
result in an accident.
To switch on the front fog lamps: turn
the SmartKey in the ignition lock to position
2 or start the engine.
Turn the light switch to or
. If the
light switch is set to , you cannot
switch on the fog lamps.
Pull the light switch out to the first detent.
The green 
indicator lamp on the
light
switch lights up.
To switch off the front fog lamps: press
the light switch in as far as it will go.
The green indicator lamp on the
light
switch goes out.
See also:
Canceling Parking Guidance
•► Press the PARKTRONIC button on the
center console (Y page 194).
Parking Guidance is canceled immediately
and PARKTRONIC is deactivated.
Parking Guidance is canceled automatically if
i ...
Ruts and gravel roads
Observe the following rules when driving
along ruts in off-road terrain or on roads with
loose gravel:
Check that the ruts are not too deep and
that your vehicle has sufficient clearance.
...
Activating/deactivating
WARNING
Any accumulation of snow and ice should be
removed from the rear window before driving.
Visibility could otherwise be impaired,
endangering you and others.
The rear window defroster h ...