instrument cluster MERCEDES-BENZ GL450 2008 X164 Owner's Guide

163 Controls in detail
Control system
Press buttonk orj repeatedly
until the coolant temperature appears
in the multifunction display.Calling up digital speedometer or
outside temperature
Press buttonk orj repeatedly
until the digital speedometer or the
outside temperature appears in the
multifunction display.
Digital speedometer
Outside temperature
!Excessive coolant temperature triggers a
warning message in the multifunction display
(
page 470).
The engine should not be operated with the
coolant temperature above 248°F (120°C).
Doing so may cause serious engine damage
which is not covered by the Mercedes-Benz
Limited Warranty.
iDuring severe operating conditions, e.g.
stop-and-go traffic, the coolant temperature may
rise close to 248°F (120°C).
iYou can select whether the digital speedom-
eter or the outside temperature is shown in the
multifunction display.
You can change the setting in the submenu
Instrument Cluster via the function Status
Line Display
, see “Selecting display (digital
speedometer or outside temperature) for status
indicator” (
page 173).
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169 Controls in detail
Control system
The following settings and submenus are
available in the
Settings menu:Resetting all settings
You can reset the functions of all
submenus to the factory settings.
Press the reset button in the instru-
ment cluster (
page 152) for
approximately 3 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.
FunctionPage
Resetting all settings169
Submenus in the settings menu170
Instrument cluster submenu172
Time/Date submenu174
Lighting submenu175
Vehicle submenu178
Comfort submenu*181
iThe settings you have changed will not be
reset unless you confirm the action by pressing
the reset button a second time.
After approximately 5 seconds, the
Settings
menu reappears in the multifunction display
(
page 168).
iFor safety reasons, the function
Lamp Circuit Headlamp in the Lighting
submenu cannot be reset while driving.
The following message appears in the multifunc-
tion display:
Settings
Cannot be
completely reset
to factory settings
while driving.
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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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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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185 Controls in detail
Control system
Fuel consumption statistics since last
reset
Press buttonÿ orè repeatedly
until the message
From Start appears
in the multifunction display.
Press buttonj ork repeatedly
until the message
From Reset appears
in the multifunction display.
1Distance driven since last reset
2Time elapsed since last reset
3Average speed since last reset
4Average fuel consumption since last
resetResetting fuel consumption statistics
Press buttonÿ orè repeatedly
until the message
From Start appears
in the multifunction display.
Press buttonj ork repeatedly
until the fuel consumption statistics
which you want to reset appear in the
multifunction display.
Press and hold the reset button in the
instrument cluster (
page 152) until
the respective values are reset to
0.Distance to empty
Press buttonÿ orè repeatedly
until the message
From Start appears
in the multifunction display.
Press buttonj ork repeatedly
until the message
Range: appears in
the multifunction display.
The calculated remaining driving range
based on the current fuel tank level
appears in the multifunction display.
iThe fuel consumption statistics reset auto-
matically to 0 when either of the following values
is exceeded:

distance covered: 100 000 miles

time elapsed: 10 000 hours
iIf only very little fuel is left in the tank, a
vehicle at the fuel pump is shown instead of the
range.
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263 Controls in detail
Driving systems
Distronic displays in the speedometer
dial
1Set speed
If Distronic is activated, one or two cruise
control speed segments come on around
the set speed.1Set speed
2Cruise control speed segments
3Speed of the vehicle ahead
If Distronic detects a vehicle directly
ahead, the cruise control speed
segments2, which represents the differ-
ence from the speed of the preceding
vehicle3 to the driver’s selected set
speed1, appear in the speedometer.If Distronic calculates that there is a dan-
ger of collision:

The distance warning lampl in the
instrument cluster comes on
(
page 27).

An intermittent warning sounds.
Immediately apply the brake to avoid a
collision.
Under no circumstances should the
driver await the intermittent warning
sound before braking. See the follow-
ing warning note.
The intermittent warning sound ceases
and the distance warning lampl
goes out when the necessary distance
to the vehicle ahead is again estab-
lished.
iThe vehicle speed displayed on the speed-
ometer can briefly vary from the speed setting
on the Distronic system.
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272 Controls in detail
Driving systems
Lane changing
Distronic has not yet detected the vehicle
changing lanes. There will be insufficient
distance to the lane-changing vehicle.Narrow vehicles
Because of their narrow profile, the vehi-
cles traveling near the outer edges of the
lane have not yet been detected by
Distronic. There will be insufficient
distance to the vehicles ahead.Distance warning function*
(Canada only)
When Distronic* is deactivated, this
function will continue to warn you when
recognizing a stationary obstacle or a
slower vehicle moving in your vehicle’s
path and the danger of a collision exists:

The distance warning lampl in the
instrument cluster comes on.

An intermittent warning will sound if
necessary.
If these warnings are issued, you must
brake manually to maintain a safe distance
and avoid a collision with the preceding
vehicle.
When pressing the brake pedal, the warn-
ing sound ceases. The warning sound will
also cease when the distance to the
preceding vehicle is sufficient again with-
out applying the brakes. In this case, the
distance warning lamp will also go out.
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332 Controls in detail
Useful features
To activate, press the SOS button, the
Roadside Assistance button• or
the Information button¡, depend-
ing on the type of response required.System self-check
Initially, after switching on the ignition,
malfunctions are detected and indicated
(the indicator lamps in the SOS button, the
Roadside Assistance button• and the
Information button¡ stay on longer
than 10 seconds or do not come on).
The message
Tele Aid – Inoperative
appears in the multifunction display.
iThe SOS button is located in the overhead
control panel (
page 34).
The Roadside Assistance button•
(
page 335) and the Information button¡
(
page 336) are located below the center arm-
rest cover.
!The Tele Aid system utilizes the cellular
network for communication and the GPS (G
lobal
P
ositioning System) satellites for vehicle loca-
tion. If either of these signals are unavailable, the
Tele Aid system may not function and if this
occurs, assistance must be summoned by other
means.
iWhen a Tele Aid call has been initiated, the
COMAND system audio is muted and the select-
ed mode (radio, CD etc.) pauses. The optional
cellular phone (if installed) inserted in cradle
switches off. If you must use this phone, we rec-
ommend that you use it only with the vehicle at a
standstill in a safe location. Remove the phone
from the cradle and place the call. The naviga-
tion* system (if engaged) will continue to run.
The display in the instrument cluster is available
for use, and spoken commands are only avail-
able by pressing the RPT button on the COMAND
system. A pop-up window will appear in the
COMAND system display to indicate that a Tele
Aid call is in progress. After the Tele Aid call has
ended, the optional cellular phone inserted in the
cradle switches on again. A PIN entry might be
necessary.
Warning!G
If the indicator lamps on the SOS button, on
the Roadside Assistance button, and/or on
the Information button remain illuminated
continuously in red and/or the message
Tele Aid – Inoperative is displayed in
the multifunction display after the system
self-check, a malfunction in the system has
been detected.
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349 Operation
Driving instructions
To help prevent brake disk corrosion after
driving on wet road surfaces (particularly
salted roads), it is advisable to brake the
vehicle with considerable force prior to
parking. The heat generated serves to dry
the brakes.
If your brake system is normally only sub-
jected to moderate loads, you should occa-
sionally test the effectiveness of the
brakes by applying above-normal braking
pressure at higher speeds. This will also
enhance the grip of the brake pads.
Refer to the description of the Brake Assist
System (BAS) (
page 103).Brake pad wear or a leak in the system may
be the reason for low brake fluid in the
reservoir.
The brake fluid level in the reservoir may
be too low if the brake warning lamp in the
instrument cluster comes on and an
acoustic warning sounds although the
parking brake is released (
page 437).
Observe additional messages in the multi-
function display that may appear
(
page 469).
Have the brake system inspected
immediately. Contact an authorized
Mercedes-Benz Light Truck Center.
All checks and service work on the brake
system should be carried out by qualified
technicians only. Contact an authorized
Mercedes-Benz Light Truck Center.
Only install brake pads and brake fluid
recommended by Mercedes-Benz.
After hard braking, it is advisable to drive
on for some time, rather than immediately
park, so that the air stream will cool down
the brakes faster.
Warning!G
Make sure not to endanger any other road
users when carrying out these braking
maneuvers.
Warning!G
If other than recommended brake pads are
installed, or other than recommended brake
fluid is used, the braking properties of the
vehicle can be degraded to an extent that
safe braking is substantially impaired. This
could result in an accident.
!When driving down long and steep grades,
relieve the load on the brakes by shifting into a
lower gear to use the engine’s braking power.
This helps prevent overheating of the brakes and
reduces brake pad wear.
When using the engine’s braking power, a drive
wheel may not spin for an extended period of
time, e.g. on slippery road surfaces. This may
cause serious damage to the drivetrain which is
not covered by the Mercedes-Benz Limited
Warranty.
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