2008 MERCEDES-BENZ GL320 light

148 Controls in detail
Lighting
Driving forward
Switching on corner-illuminating front
fog lamps
Switch on the left or right turn signal
(
page 62), depending on whether
you are turning left or right.
The respective front fog lamp comes on
and illuminates the area in the direc-
tion into which you are turning.
or
Turn steering wheel in desired direc-
tion.
The front fog lamp on the side of your
steering direction comes on.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
were activated by switching on the left or
right turn signal.
If the turn signal should stay on after
making the turn, the turn signal and the
corner-illuminating front fog lamps can be
switched off by returning the combination
switch to its original position.Driving in reverse
Switching on corner-illuminating front
fog lamps
Shift the automatic transmission to
reverse gearR (
page 191).
The front fog lamp opposite to your
steering direction comes on.
Switching off corner-illuminating front
fog lamps
Shift the automatic transmission to a
gear other than reverse gearR
(
page 191).
The respective corner-illuminating
front fog lamp goes out.
iThe corner-illuminating front fog lamps
temporarily come on on both sides of the vehicle
if you turn the steering wheel in one direction
and then again in the other direction shortly
thereafter.
iThe corner-illuminating front fog lamps will
come on automatically depending on the steer-
ing angle and vehicle speed, 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 and vehicle
speed.
iThere may be a brief delay before the
corner-illuminating front fog lamps switch off.
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149 Controls in detail
Lighting
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter switch
or with the SmartKey with KEYLESS-GO*
removed from the vehicle.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on the center console.
1Hazard warning flasher switchSwitching on hazard warning flasher
Press hazard warning flasher
switch1.
All turn signals are flashing.
Switching off hazard warning flasher
Press hazard warning flasher switch1
again.
Interior lighting
The controls for interior lighting are locat-
ed in the overhead control panel.1Front left reading lamp switch
2Rear interior lighting switch
3Automatic control switch
4Front interior lighting switch
5Front right reading lamp switch
6Front right interior lamp
7Front right reading lamp
8Front left reading lamp
9Front left interior lamp
iWith the hazard warning flasher activated
and the combination switch set for either left or
right turn, only the respective turn signals will
operate when the ignition is switched on.
iIf the hazard warning flasher has been
activated automatically, press hazard warning
flasher switch1 once to switch it off.
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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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151 Controls in detail
Lighting
Switching second-row reading lamps on
and off
The second-row reading lamps are located
above the side windows.
Passenger side reading lamp
1Second-row reading lamp
Press on reading lamp1 where indi-
cated by arrow.
The reading lamp comes on.
Press on reading lamp1 once more.
The reading lamp goes out.
Door entry lamps
For better orientation in the dark, the
corresponding door entry lamps comes on
when you open a door and the automatic
control is activated.
The door entry lamps will switch off when
the corresponding door is closed.Cargo compartment lamp
The cargo compartment lamp comes on
when the tailgate is opened.
If you leave the tailgate open for an extend-
ed period of time, the cargo compartment
lamp will switch off automatically after ap-
proximately 5 minutes.
iIf you turn the SmartKey in the starter
switch to position0 or remove the SmartKey
from the starter switch, the door entry lamps will
remain lit for approximately 5 minutes.
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152 Controls in detail
Instrument cluster
For a full view illustration of the instrument
cluster, see “Instrument cluster”
(
page 26).
1To dim instrument cluster illumination
2Reset button
3To brighten instrument cluster
illuminationThe instrument cluster is activated when
you
open a door

switch on the ignition (page 42)

press reset button2

switch on the exterior lamps
(
page 143)
For information on changing the instru-
ment cluster settings, e.g. the language,
see “Instrument cluster submenu”
(
page 172).
iOpening a front door or pressing the reset
button without switching on the ignition or the
exterior lighting activates the multifunction
display illumination only for 30 seconds.
Warning!G
No messages will be displayed if either the
instrument cluster or the multifunction
display is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warn-
ing/indicator lamps, malfunction/warning
messages or the failure of any systems.
Driving characteristics may be impaired.
If you must continue to drive, do so with
added caution. Contact an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
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153 Controls in detail
Instrument cluster
Adjusting instrument cluster illumina-
tion
Use button1 or3 to adjust the illumina-
tion brightness for the instrument cluster.
To brighten illumination
Press and hold button3 until the
desired level of illumination is reached.
To dim illumination
Press and hold button1 until the
desired level of illumination is reached.
Resetting trip odometer
Make sure you are viewing the trip odome-
ter display (
page 155).
If it is not displayed, press buttonè
orÿ on the multifunction steering
wheel (
page 156) repeatedly until
the trip odometer appears in the multi-
function display.
Press and hold reset button2 in the
instrument cluster (
page 152) until
the trip odometer is reset.
Tachometer
The red marking on the tachometer
(
page 26) denotes excessive engine
speed.To help protect the engine, the fuel supply
is interrupted if the engine is operated
within the red marking.
Outside temperature indicator
The outside temperature is displayed in the
multifunction display (
page 155).
iThe instrument cluster illumination is
dimmed or brightened automatically to suit am-
bient light conditions.
The instrument cluster illumination will also be
adjusted automatically when you switch on the
vehicle’s exterior lamps.
iWith the exterior lighting switched on, the
brightness of the switches in the center console
will also be adjusted when using button
1 or3.
!Avoid driving at excessive engine speeds, as
it may result in serious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.
Warning!G
The outside temperature indicator is not de-
signed to serve as an ice-warning device and
is therefore unsuitable for that purpose.
Indicated temperatures just above the freez-
ing point do not guarantee that the road sur-
face is free of ice. The road may still be icy,
especially in wooded areas or on bridges.
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161 Controls in detail
Control system
Menus, submenus and functions
Menu6Menu7Menu8Menu9Menua
Vehicle status message
memory1
1The vehicle status message memory menu is only displayed if there is a message stored.
SettingsVehicle configurationTrip computerTEL*
(page 167)(page 168)(page 182)(page 184)(page 186)
Commands/submenus
Calling up malfunction mes-
sages, warning messages, and
system status messages
stored in memoryResetting to factory
settingsDistance warning
function*on/offFuel consumption
statistics since startLoading phone
book
Instrument cluster
submenuDSR (Downhill Speed
Regulation) pro-
grammed default speedFuel consumption statis-
tics since the last resetSearching for name
in phone book
Time/Date submenuResetting fuel consump-
tion statistics
Lighting submenuDistance to empty
Vehicle submenu
Comfort submenu*
iThe headings used in the menus table are
designed to facilitate navigation within the sys-
tem and are not necessarily identical to thoseshown in the control system displays. The first
function displayed in each menu will
automatically show you which part of the system
you are in.
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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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