2008 MERCEDES-BENZ GL450 Side marker

143 Controls in detail
Lighting
Lighting
For information on how to switch on the
headlamps and use the turn signals, see
“Switching on headlamps” (
page 61)
and “Turn signals” (
page 62).
Exterior lamp switch
iIf you drive in countries where vehicles drive
on the other side of the road than the country in
which the vehicle is registered, you must have
the headlamps modified for symmetrical low
beams. Relevant information can be obtained at
any authorized Mercedes-Benz Light Truck
Center.
iVehicles equipped with active Bi-Xenon*
headlamps:
The active Bi-Xenon* headlamps monitor the
vehicles steering angle and vehicle speed, then
automatically shift their beams to either side to
better follow the curvature of the road ahead,
increasing usable illumination over conventional
headlamps.1‚Standing lamps, left (turn left two
stops)
2ˆStanding lamps, right (turn left
one stop)
3MOff
Daytime running lamp mode
(
page 145)
4UAutomatic headlamp mode
Daytime running lamp mode
(
page 145)
5CParking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
6BLow beam headlamps or high
beam headlamps
7‡Front fog lamps
8†Rear fog lamp
iThe exterior lamps switch off automatically
when you remove the SmartKey from the starter
switch or open the driver’s door with the ignition
switched off.
When the parking lamps or the rear fog lamp are
switched on and you remove the SmartKey from
the starter switch or open the driver’s door, an
acoustic signal sounds.
In addition the message
Switch Off Lights
appears in the multifunction display.
Switch off the parking lamps or the rear fog lamp
manually.
!Failure to switch off the parking lamps when
leaving the vehicle may result in a discharged
battery.
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144 Controls in detail
Lighting
Low beam headlamps
Turn the exterior lamp switch to
positionB.
With the SmartKey in starter switch
position1 or the KEYLESS-GO*
start/stop button pressed once, the
following lamps will switch on:

Tail and parking lamps

License plate lamps

Side marker lamps
With the SmartKey in starter switch
position2 or the KEYLESS-GO*
start/stop button pressed twice, the
following lamps will switch on addition-
ally:

Low beam headlamps

High beam headlamps (when the
combination switch is pushed for-
ward)Automatic headlamp mode
The following lamps switch on and off au-
tomatically depending on the brightness of
the ambient light:

Low beam headlamps

Tail and parking lamps

License plate lamps

Side marker lamps
Turn the exterior lamp switch to
positionU.
With the SmartKey in starter switch
position1 or the KEYLESS-GO*
start/stop button pressed once, only
the parking lamps and the side marker
lamps will switch on and off depending
on the brightness of the ambient light.
Warning!G
If the exterior lamp switch is set toU,
the headlamps will not be automatically
switched on under foggy conditions.
To minimize risk to you and to others,
activate headlamps by turning exterior lamp
switch toB when driving or when traffic
and/or ambient lighting conditions require
you to do so.
In low ambient lighting conditions, only
switch from positionU toB with the
vehicle at a standstill in a safe location.
Switching fromUtoB will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
The automatic headlamp feature is only an
aid to the driver. The driver is responsible for
the operation of the vehicle’s lights at all
times.
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145 Controls in detail
Lighting
When the engine is running, the low
beam headlamps, the tail and parking
lamps, the license plate lamps, and the
side marker lamps will switch on and
off depending on the brightness of the
ambient light.
Daytime running lamp mode
In Canada the daytime running lamp mode
is mandatory and therefore in a constant
mode.
In the USA the daytime running lamp mode
is deactivated by default. Activate the day-
time running lamp mode using the control
system, see “Setting daytime running lamp
mode (USA only)” (
page 175).
Turn the exterior lamp switch to
positionM orU.
When the engine is running, the low
beam headlamps are switched on.In low ambient light conditions, the
following lamps will switch on
additionally:

Tail and parking lamps

License plate lamps

Side marker lamps
Canada only
When the engine is running, and you shift
from a driving position to positionN orP
with the vehicle at a standstill, the low
beam headlamps will switch off with a
three-minute delay.When the engine is running, and you

turn the exterior lamp switch to
positionC, the low beam head-
lamps, the tail and parking lamps, the
side marker lamps and the license
plate lamps switch on

turn the exterior lamp switch to
positionB, the manual headlamp
mode has priority over the daytime
running lamp mode
USA onlyiCanada only:
High beam headlamps are only available with the
exterior lamp switch in positionB.
iWith the daytime running lamp mode
activated and the engine running, you cannot
switch off the low beam headlamps manually.
iWith the exterior lamp switch in
positionM orU, you cannot switch on the
high beam headlamps.
The high beam flasher is available at all times.
For nighttime driving turn the exterior lamp
switch to positionB to permit activation of
the high beam headlamps.iWith the exterior lamp switch in
positionM, you cannot switch on the high
beam headlamps.
The high beam flasher is available at all times.
For nighttime driving turn the exterior lamp
switch to positionB orU to permit
activation of the high beam headlamps.
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172 Controls in detail
Control system
Instrument cluster submenu
Access the
Instrument Cluster submenu
via the
Settings menu. Use the
Instrument Cluster submenu to change
the instrument cluster display settings.
The following functions are available:Selecting speedometer display mode
Move the selection marker with
buttonæ orç to the
Instrument Cluster submenu.
Press buttonj ork repeatedly
until the message
Display Unit
Digital Speedometer
appears in the
multifunction display.
The selection marker is on the current
setting.
Press buttonæ or ç to set
speedometer unit to
Km or Miles.Selecting language
Move the selection marker with
buttonæ orç to the
Instrument Cluster submenu.
Press buttonj ork repeatedly
until the message
Language appears in
the multifunction display.
The selection marker is on the current
setting.
Press buttonæ orç to select
the language to be used for the
multifunction display messages.
FunctionPage
Selecting speedometer display
mode172
Selecting language172
Selecting display (digital
speedometer or outside
temperature) for status indica-
tor173
iIf you select a language that is not available
in the COMAND system, the messages for the
audio systems, such as radio or CD player, will
appear in English, regardless of the language
selected. For more information see separate
COMAND operating instructions.
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173 Controls in detail
Control system
Available languages:

German

English

French

Italian

Spanish

Dutch

Swedish

Danish

Turkish

Portuguese

Russian (Canada only)Selecting display (digital speedometer
or outside temperature) for status
indicator
Move the selection marker with
buttonæ orç to the
Instrument Cluster submenu.
Press buttonj ork repeatedly
until the message
Status Line
Display
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to select
the desired setting.
The selected display is then shown
continuously in the status indicator
(lower display).
The other display now appears in the
menu of the standard display
(
page 162):

Digital speedometer
or

Outside temperature
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175 Controls in detail
Control system
Lighting submenu
Access the
Lighting submenu via the
Settings 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).
With daytime running lamp mode activated
and the exterior lamp switch in
positionMorU, 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
running lamp mode, see “Lighting”
(
page 143).
FunctionPage
Setting daytime running lamp
mode (USA only)175
Setting locator lighting176
Setting night security illumination176
Setting interior lighting delayed
shut-off177
iThis function is not available in countries
where the daytime running lamp mode is
mandatory and therefore in a constant mode.
iFor safety reasons, changing the setting for
the daytime running lamp mode is not possible
while the vehicle is in motion. The following
message appears in the multifunction display:
Settings
can only be made
at a standstill.
For safety reasons, resetting to factory settings
(
page 169) while driving will not deactivate the
daytime running lamp mode.
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176 Controls in detail
Control system
Setting locator lighting
With the locator lighting feature activated,
the exterior lamp switch in positionU
(
page 143) and the interior lighting in au-
tomatic mode (
page 150), the following
lamps will switch on during darkness when
the vehicle is unlocked using buttonŒ
on the SmartKey or SmartKey with
KEYLESS-GO:

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
the vehicle with the SmartKey, the lamps
will switch off automatically after
approximately 40 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
Press buttonj ork repeatedly
until the message
Surround Lighting
Function
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the locator lighting function
On orOff.
Turn the exterior lamp switch to
positionU when exiting the vehicle.
The locator lighting feature is
activated.Setting night security illumination
(Headlamps delayed shut-off)
Use this function to set whether you would
like the exterior lamps to remain on for
15 seconds during darkness after exiting
the vehicle and closing all doors.
With the headlamps delayed shut-off
feature activated and the exterior lamp
switch in positionU before the engine
is turned off, the following lamps will
switch on 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.
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180 Controls in detail
Control system
Drive a full circle at a vehicle speed of
between 3 mph and 6 mph (5 km/h
and 10 km/h).
When calibration was successful, the
following message appears in the mul-
tifunction display:
Compass Calibration
Completed Successfully
Audio search function
Use of the Audio search function to select
a radio station will enable you to start a
frequency scan (
Frequency) (page 164)
or select a radio station stored in memory
(
Memory).
Move the selection marker with
buttonæ orç to the
Vehicle
submenu.
Press buttonj ork repeatedly
until the message
Audio Search
Function
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to select
Frequency or Memory.Setting automatic central locking
Use this function to activate or deactivate
the automatic central locking. With the
automatic central locking system
activated, the vehicle is centrally locked at
vehicle speeds of approximately 9 mph
(15 km/h).
Move the selection marker with
buttonæ orç to the
Vehicle
submenu.
Press buttonj ork repeatedly
until the message
Automatic Door
Locking
appears in the multifunction
display.
The selection marker is on the current
setting.
Press buttonæ orç to switch
the automatic central locking
On or Off.
iIf the message Compass Calibration
Completed Successfully
does not appear in
the multifunction display, drive another full
circle.
If calibration does not succeed within 3 minutes,
the message
Compass Calibration appears
in the multifunction display again. Calibrating the
compass has failed due to outside influences.
Repeat compass calibration in a different
location.

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