Page 129 of 498
127 Controls in detail
Lighting
USA only
By default, the daytime running lamp mode
is deactivated. Activate the daytime run-
ning lamp mode using the control system,
see “Setting daytime running lamp mode
(USA only)” (
page 155).
When the engine is running, and you turn
the exterior lamp switch to positionC
orB, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 124).Locator lighting and night security
illumination
The locator lighting and the night security
illumination are described in the “Control
system” section, see “Setting locator light-
ing” (
page 156) and “Setting night secu-
rity illumination” (
page 156).Fog lamps
Warning!
G
In low ambient lighting or foggy conditions,
only switch from position U to B with
the vehicle at a standstill. 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.
Page 130 of 498
128 Controls in detailLighting
Front fog lamps
Switch on the low beam headlamps
(page 50).
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 124).
Push in the exterior lamp switch.
The front fog lamps switch off.
The green indicator lamp‡ in the
exterior lamp switch goes out.Rear fog lamp (driver’s side only)
Switch on the front fog lamps
(page 128).
Pull out the exterior lamp switch to
second stop.
The rear fog lamp switches on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(page 124).
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.
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 131 of 498
129 Controls in detail
Lighting
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 124).
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 132 of 498
130 Controls in detailLightingCornering fog lamps* (CLK 320 with Bi-Xenon* headlamps)
The cornering fog lamps improve illumina-
tion of the road into which you are turning.
Cornering fog lamps will operate with the
engine running and with
the exterior lamp switch in
positionB (
page 124)
or
the exterior lamp switch in
positionU (
page 124)
or
the daytime running lamp mode
activated (
page 126)Driving forward
Switching on cornering fog lamps
Depending on whether you are turning
left or right, switch on the left or right
turn signal (
page 51).
The respective front fog lamp comes on
and illuminates the road into which you
are turning.Switching off cornering fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the
cornering 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 cornering
fog lamps can be switched off by returning
the combination switch to its original
position.
iCornering fog lamps will only come on
in low ambient lighting conditions.
The cornering fog lamps function is not
available at a vehicle speed above
25 mph (40 km/h).
iThe cornering fog lamps will come on
automatically depending on the
steering angle, even if you did not
switch on either turn signal.
If the cornering fog lamps came on
automatically, they will also go out au-
tomatically depending on the steering
angle.
Page 135 of 498
133 Controls in detail
Lighting
Manual control
Switching all front interior lights on and
off
Press the W symbol on rocker
switch3.
The front interior lights come on.
Press rocker switch3 to center
position to activate the automatic
control.
Switching rear interior lights on and off
Press button V.
The light in the rear passenger
compartment come on.
Press button V again.
The light in the rear passenger
compartment go out.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 lid
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 148 of 498
146 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
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 134) 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
functions are not reset while driving:
the
Lamp circuit headlamp
func-
tion in the
Lighting
submenu
the
Key-dependent
function in the
Convenience
submenu
Page 157 of 498
155 Controls in detail
Control system
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.
Pressæ orç to select manual
operation (
manual
) or daytime running
lamp mode (
constant
) activated.
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
For more information on the daytime run-
ning lamp mode, see “Lighting”
(
page 124).
iThis function is not available in
countries where the daytime running
lamp mode is mandatory and therefore
in a constant mode.
iIf you turn the exterior lamp switch to
another position, the corresponding
lamp(s) will switch on.
For safety reasons, resetting the Lighting
submenu to factory settings
(
page 147) while driving will not
deactivate the daytime running lamp
mode.
The following message appears in the
multifunction display:
Lighting – Cannot be completely
reset to factory settings while
driving
.
Page 158 of 498
156 Controls in detailControl systemSetting locator lighting
With the locator lighting feature activated
and the exterior lamp switch in
positionU, the following lamps will
switch on when the vehicle is unlocked
with the SmartKey during darkness:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
The locator lighting switches off when the
driver’s door is opened.
If you do not open a door after unlocking
with the SmartKey the lamps will switch off
automatically after approximately
40 seconds.
To activate locator lighting:
Make sure the function surround light-
ing is set to
on, see (
page 156).
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Function Surround
lighting
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the locator lighting function
On.
Turn the exterior lamp switch to
position U when exiting the vehicle
(page 124).
The locator lighting feature is
activated.Setting night security illumination
(Headlamps delayed shut-off)
Use this function to set whether and how
long 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 after
you have removed the SmartKey from the
starter switch:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
If you do not open a door after removing
the SmartKey from the starter switch, the
lamps will switch off automatically after
approximately 60 seconds.
