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:
SRS warning lamps
SRS functions are checked regularly when
you switch on the ignition and when the
engine is running. Therefore, malfunctions
can be detected in good time.
The SRS warning lamp in the
instrumen ...
General notes
If you cannot lock or unlock the vehicle with
the SmartKey, either the battery in the
SmartKey is discharged, the SmartKey is
faulty or the starter battery is discharged.
Check the battery in ...
Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you
believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz
Center immediately to have ...