Front fog lamps
Only vehicles with front fog lamps have the fog lamps function.
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.
•► 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 
or
.
•► Press the 
button.
The green 
indicator lamp in the
instrument cluster lights up.
•► To switch off the front fog lamps: press
the 
button.
The green 
indicator lamp in the
instrument cluster goes out.
If you switch the engine off (SmartKey in position 1 in the ignition lock) and then restart it, the previous fog lamp settings are restored.
See also:
DEF
Important safety notes
For BlueTEC vehicles only.
DEF is a non-flammable, non-toxic, colorless,
odorless and water-soluble fluid.
Rinse surfaces that have come into
contact with DEF immediately ...
Important safety notes
WARNING
Always remember that you must concentrate
primarily on driving the vehicle. The driver's
concentration must always be directed
primarily at road traffic. For your own safety
and t ...
Please bear the following in mind
At the onset of winter, have your vehicle
winterproofed at a qualified specialist
workshop, e.g. at an authorized Mercedes-
Benz Center.
Observe the notes in the "Changing a wheel"
...