2008 MERCEDES-BENZ GL320 mode

146 Controls in detail
Lighting
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 61).
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 176) and “Setting night secu-
rity illumination” (
page 176).Fog lampsFront fog lamps
Turn the exterior lamp switch to
positionC orB (
page 144).
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.
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)
Turn the exterior lamp switch to
positionB (
page 144).
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.
Warning!G
In low ambient lighting or foggy conditions,
only switch from positionU toB with
the vehicle at a standstill in a safe location.
Switching fromU toB 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
permissible lamp operation.
iFog lamps cannot be switched on with the
exterior lamp switch in positionU.
To switch on the fog lamps, turn the exterior
lamp switch to positionB first.
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147 Controls in detail
Lighting
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
1High beam
2High beam flasherHigh beam
Turn the exterior lamp switch to
positionB (
page 143).
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 26).
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.
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps im-
prove illumination of the area in the direc-
tion 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 143)
or

the exterior lamp switch in
positionU (
page 143)
or

the daytime running lamp mode
activated (
page 145)
iThe corner-illuminating front fog lamps will
only come on in low ambient lighting conditions.
iIf you are driving faster than 25 mph
(40 km/h) or have the front fog lamps switched
on, the corner-illuminating function is not avail-
able.
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150 Controls in detail
Lighting
Automatic control
Deactivating
Press switch3.
The switch engages in the recessed
position.
The interior lighting and the locator
lighting (
page 176) remain switched
off even when you

unlock the vehicle

open a door

open the tailgate

remove the SmartKey from the
starter switchActivating
Press switch3.
The switch disengages from its
recessed position back to its original
position.
The interior lighting and the locator
lighting (
page 176) come on when
you

unlock the vehicle

open a door

open the tailgate

remove the SmartKey from the
starter switch
The interior lamps go out following an
adjustable time delay (
page 177).Manual control
Switching front/rear interior lighting on
and off
Press front/rear interior lighting
switch4 or2 to switch on the
respective interior light.
Press front/rear interior lighting
switch4 or2 again to switch off the
respective interior light.
Switching front reading lamps on and off
Press front reading lamp switch1
or5 to switch on the respective front
reading lamp.
Press front reading lamp switch1
or5 again to switch off the respective
front reading lamp.
!An interior lamp switched on manually does
not go out automatically.
Leaving an interior lamp switch in the ON
position for extended periods of time with the
engine turned off could result in a discharged
battery.
iThe interior lighting is factory-set to
automatic mode.
iIf a door remains open, the interior lamps
switch off automatically after approximately
5 minutes when the SmartKey is removed or in
starter switch position0.
iAn interior lamp switched on manually does
not go out automatically.
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164 Controls in detail
Control system
AUDIO menu
The functions in the
AUDIO menu operate
the audio equipment which you currently
have turned on.
If no audio equipment is currently turned
on, the message
AUDIO Off appears in the
multifunction display.
The following functions are available:Selecting radio station
Turn on the COMAND system and
select radio. Refer to separate
COMAND system operating instruc-
tions.
Press buttonè orÿ repeatedly
until the currently tuned station
appears in the multifunction display.
1Waveband setting
2Station frequency
Press buttonk orj repeatedly
until the desired station is found.
The station search depends on the se-
lected setting in the
Vehicle submenu
of the control system (
page 180).
Pressing buttonk orj will
either start a frequency scan or select
the next stored radio station.Selecting satellite radio station*
The satellite radio is treated as a radio
application.
Select satellite radio with the
corresponding soft key on the
COMAND system.
1SAT mode
2Channel name or number
Press buttonk orj repeatedly
until the desired channel is found.
FunctionPage
Selecting radio station164
Selecting satellite radio station*164
Operating CD player165
iYou can only store new stations using the
corresponding feature on the radio. Refer to
separate COMAND system operating instruc-
tions.
You can also operate the radio in the usual
manner.
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165 Controls in detail
Control system
Operating CD player
Selecting CD track
Turn on the COMAND system and
select CD. Refer to separate COMAND
system operating instructions.
Press buttonè orÿ repeatedly
until the settings for the CD currently
being played appear in the multifunc-
tion display.1Current CD (for CD changer)
2Current track
Press buttonk orj repeatedly
until the desired track is selected.Selecting MP3-CD track
Turn on the COMAND system and se-
lect MP3. Refer to separate COMAND
system operating instructions.
Press buttonè orÿ repeatedly
until the settings for the MP3-CD
currently being played appear in the
multifunction display.
1MP3 mode
2Current track
Press buttonk orj repeatedly
until the desired track is selected.
iAdditional optional satellite radio equipment
and a subscription to satellite radio service pro-
vider are required for satellite radio operation.
Contact an authorized Mercedes-Benz Light
Truck Center for details and availability for your
vehicle.
For more information, refer to separate
COMAND system operating instructions.
iTo select a CD from the CD changer
magazine, press a number on the COMAND
system key pad located in the center console.
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171 Controls in detail
Control system
The table below shows what settings can
be changed within the various menus.
Detailed instructions on making individual
settings can be found on the following
pages.
Instrument clusterTime/DateLightingVehicleComfort*
(page 172)(page 174)(page 175)(page 178)(page 181)
Selecting speedometer
display modeSetting the timeSetting daytime running
lamp mode (USA only)Compass adjustmentActivating
easy-entry/exit fea-
ture*
Selecting languageSetting the dateSetting locator lightingCompass calibrationSetting fold-in func-
tion* for exterior rear
view mirrors
Selecting display (digital
speedometer or outside
temperature) for status in-
dicatorSetting night security
illuminationAudio search function
Setting interior lighting
delayed shut-offSetting automatic cen-
tral locking
Limiting opening
height of tailgate*
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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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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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