Mercedes-Benz R-Class 2009 Owners Manual - Manual (Page 121)

Lighting
119
Hazard warning flasher
The hazard warning flasher can be switched
on at all times, even with the SmartKey
removed from the starter switch.
The hazard warning flasher comes on
automatically when an air bag deploys.
1 Hazard warning flasher switch
X Switching on: Press hazard warning
flasher switch 1 .
All turn signal lamps are flashing.
i With the hazard warning flasher activated
and the combination switch set for either
left or right turn, only the respective left or
right turn signals will operate when the
ignition is switched on.
X Switching off: Press hazard warning
flasher switch 1 again.
i If the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch
1 once to switch
off.
Headlamp cleaning system
The headlamps will be cleaned with a high-
pressure water jet automatically when the
engine is running and you have
R switched on the headlamps
and
R the windshield wipers have wiped the
windshield with washer fluid five times
The counter resets when you switch off the
headlamps.
For information on filling up the washer
reservoir, see “Washer system and headlamp
cleaning system” (
Y page 251).
Corner-illuminating front fog lamps
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
only operate
R in low ambient lighting conditions
R at vehicle speeds below 25 mph
(40 km/h)
R with the front fog lamps switched off
R with the engine is running
Switching on
X Turn the exterior lamp switch to position
B or U .
or
X Activate the daytime running lamp mode
(
Y page 116).
X Switch on the left or right turn signal,
depending on whether you are turning left
or right.
The respective front fog lamp comes on. If
you have switched on the turn signal for
one side but turn the steering wheel in the
other direction, the corner-illuminating
Controls in detail
Z