Page 131 of 514

130 Controls in detailLightingFog lampsFront fog lamps
Switch on the low beam headlamps
(page 52).
Pull out the exterior lamp switch to first
stop.
The front fog lamps switch on.
The green indicator lamp‡ in the
exterior lamp switch comes on
(page 127).
Push in the exterior lamp switch.
The front fog lamps switch off.
The green indicator lamp‡ in the
exterior lamp switch goes out.
Warning!
G
In low ambient lighting or foggy conditions,
only switch from position U to B with
the vehicle at a standstill in a safe location.
Switching fromU to B will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.iFog lamps will operate with the parking
lamps and/or the low beam headlamps
on. Fog lamps should only be used in
conjunction with low beam headlamps.
Consult your State or Province Motor
Vehicle Regulations regarding permis-
sible lamp operation.
iFog lamps cannot be switched on with
the exterior lamp switch in
positionU. For switching on the fog
lamps, turn the exterior lamp switch to
positionB first.
Page 132 of 514

131 Controls in detail
Lighting
Rear fog lamp (driver’s side only)
Switch on the front fog lamps
(page 130).
Pull out the exterior lamp switch to
second stop.
The rear fog lamp is switched on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(page 127).
Push in the exterior lamp switch to first
stop.
The rear fog lamp switches off.
The yellow indicator lamp† in the
exterior lamp switch goes out.
The front fog lamps remain lit.
Combination switch
The combination switch is located on the
left of the steering column.Combination switch1High beam
2High beam flasherHigh beam
Turn the exterior lamp switch to
positionB orU (
page 127).
Push the combination switch in
direction of arrow1 to switch on the
high beam.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 24).
Pull the combination switch in direction
of arrow2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lampA in the instrument cluster
goes out.
High beam flasher
Pull the combination switch briefly in
direction of arrow2.
Page 133 of 514

132 Controls in detailLightingCorner-illuminating front fog lamps* (CLK with Bi-Xenon* headlamps)
The corner-illuminating front fog lamps im-
prove illumination of the road into which
you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with
the exterior lamp switch in
positionB (
page 127)
or
the exterior lamp switch in
positionU (
page 127)
or
the daytime running lamp mode
activated (
page 129)Driving forward
Switching on corner-illuminating front
fog lamps
Depending on whether you are turning
left or right, switch on the left or right
turn signal (
page 53).
The respective front fog lamp comes on
and illuminates the road onto which
you are turning.Switching off corner-illuminating front
fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the
corner-illuminating front fog lamps if they
where activated by switching on the left or
right turn signal.
If the turn signal should stay on after mak-
ing the turn, the turn signal and corner-illu-
minating front fog lamps can be switched
off by returning the combination switch to
its original position.
iCorner-illuminating front fog lamps will
only come on in low ambient lighting
conditions.
The corner-illuminating front fog lamps
function is not available at a vehicle
speed above 25 mph (40 km/h).
iThe corner-illuminating front fog lamps
will come on automatically depending
on the steering angle, even if you did
not switch on either turn signal.
If the corner-illuminating front fog
lamps came on automatically, they will
also go out automatically depending on
the steering angle.
Page 136 of 514

135 Controls in detail
Lighting
Manual control
Switching all front interior lights on and
off
Press the W symbol on rocker
switch2.
The front interior lights come on.
Press rocker switch2 to center
position to activate the automatic
control.
Switching right front reading lamp on
and off
Press right button X.
The right reading lamp comes on.
Press right button X again.
The right reading lamp goes out.Switching left front reading lamp on and
off
Press left button X.
The left reading lamp comes on.
Press left button X again.
The left reading lamp goes out.
Door entry lamps
The appropriate door entry lamp switches
on if a door is opened in darkness and if
the interior lighting is switched to automat-
ic function.
The entry lamp switches off automatically
when the door is closed.Trunk lamp
The trunk lamp switches on if the trunk is
opened.
If you leave the trunk open for an extended
period of time, the trunk lamp will switch
off automatically after approximately ten
minutes.
iIf you turn the SmartKey in the starter
switch to position0 and switch off the
exterior headlamps, the door entry
lamps will remain lit for approximately
five minutes.
Page 149 of 514

148 Controls in detailControl systemSettings menu
In the
Settings
menu there are two
functions:
The function
Reset to factory
settings?
, with which you can reset all
the settings to the original factory
settings.
A collection of submenus with which
you can make individual settings for
your vehicle.
Press buttonè orÿ repeatedly
until the
Settings
menu appears in the
multifunction display.Resetting all settings
You can reset all the functions of all
submenus to the factory settings.
Press the reset button in the
instrument cluster (
page 136) for
approximately three seconds.
The request to press the reset button
once more to confirm appears in the
multifunction display.
Press the reset button once more.
The functions of all the submenus will
reset to factory settings.
iThe settings you have changed will not
be reset unless you confirm the action
by pressing the reset button a second
time. After approximately five seconds,
the
Settings...
menu reappears in
the multifunction display.
For safety reasons, the following
function is not reset while driving:
the
Lamp circuit headlamp
func-
tion in the
Lighting
submenu
Page 157 of 514

156 Controls in detailControl systemLighting submenu
Access the
Lighting
submenu via the
Set-
tings
menu. Use the
Lighting
submenu
to change the lamp and lighting settings on
your vehicle.
The following functions are available:Setting daytime running lamp mode
(USA only)
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Lamp circuit
headlamp
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to select
manual operation (
manual
) or daytime
running lamp mode (
constant
) activat-
ed.
With daytime running lamp mode activated
and the exterior lamp switch in
positionM or U the low beam
headlamps are switched on when the
engine is running.
In low ambient light conditions the
following lamps will switch on additionally:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Function
Page
Setting daytime running lamp
mode (USA only)
156
Setting locator lighting
157
Exterior lamps delayed
switch-off
158
Interior lighting delayed
switch-off
159
iThis function is not available in
countries where the daytime running
lamp mode is mandatory and therefore
in a constant mode.
Page 159 of 514

158 Controls in detailControl systemSetting night security illumination
(Headlamps delayed shut-off)
Use this function to set whether you would
like the exterior lamps to illuminate during
darkness after exiting the vehicle and all
doors closed.
With the delayed shut-off feature activated
and the exterior lamp switch in
positionU before the engine is turned
off, the following lamps will switch on
for 15 seconds when the engine is turned
off:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
If after turning off the engine you do not
open a door or do not close an opened
door, the lamps will automatically switch
off after 60 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Headlamps delayed
shut-off
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the headlamps delayed shut-off feature on or
off
.
Turn the exterior lamp switch to
position U before turning off the
engine (
page 127).
The headlamps delayed shut-off
feature is activated.
You can temporarily deactivate the de-
layed shut-off feature:
Before exiting the vehicle, turn the
SmartKey in the starter switch to
position0.
Then turn it to position2 and back
to0.
The delayed shut-off feature is
deactivated. It will reactivate as soon
as you reinsert the SmartKey in the
starter switch.
iYou can reactivate this function within
ten minutes by opening a door.
Page 182 of 514
181 Controls in detail
Good visibility
Good visibility
For information on the windshield wipers,
see “Windshield wipers” (
page 53).
Headlamp cleaning system*
The button is located on the left side of the
dashboard.
1Headlamp washer button
Switch on the ignition (
page 36).
Press button1.
The headlamps are cleaned with a
high-pressure water jet.For information on filling up the washer
reservoir, see “Windshield washer system
and headlamp cleaning system*”
(
page 486).
Rear view mirrors
For more information on setting the rear
view mirrors, see “Mirrors” (
page 43).
Interior rear view mirror, antiglare
position
1Lever
Tilt the mirror to the antiglare night
position by moving lever1 towards
the windshield.
The interior rear view mirror is dimmed.
iThe headlamps will automatically be
cleaned when you have
switched on the headlamps
and
operated the windshield wipers
with windshield washer fluid fifteen
times
When you switch off ignition, the
counter resets.