2008 MERCEDES-BENZ G500 heating

Contents
Safety and Security........................... 67
Occupant safety................................... 68 Air bags .......................................... 70
Seat belts ....................................... 74
Children in the vehicle.................... 77
Blocking of rear door window
operation ........................................ 85
Panic alarm .......................................... 86 Activating ....................................... 86
Deactivating ................................... 86
Driving safety systems ... ...................... 87
ABS ................................................ 87
BAS ................................................ 89
4-ETS .............................................. 90
EBB................................................. 91
ESP®.............................................. 91
Anti-theft systems....................... ......... 95
Immobilizer..................................... 95
Anti-theft alarm .............................. 95
Tow-away alarm ............................. 97Controls in detail ............................... 99
Locking and unlocking ....................... 100 SmartKey ..................................... 100
Checking batteries in the
SmartKey ..................................... 103
Loss of the SmartKey ................... 103
Opening the doors from the
inside ........................................... 104
Tailgate ........................................ 105
Automatic central locking ............ 106
Locking and unlocking from the
inside ........................................... 107
Seats ................................................. 108 Removing and installing front
seat head restraints ..................... 108
Multicontour seat* ....................... 109
Rear seats .................................... 110
Seat heating ................................. 112
Memory function ............................... 114 Storing positions into memory ..... 115
Recalling positions from memory . 115
Storing exterior rear view mirror
parking position (Canada only) ..... 116 Lighting ............................................. 117
Exterior lamp switch .................... 117
Combination switch ..................... 122
Corner-illuminating front fog
lamps ........................................... 122
Hazard warning flasher ................ 124
Interior lighting in the front .......... 125
Rear interior lamps ...................... 126
Cargo compartment lamps .......... 127
Door entry lamps ......................... 129
Instrument cluster ............................. 130 Adjusting instrument cluster
illumination .................................. 130
Coolant temperature gauge ......... 131
Resetting trip odometer ............... 131
Tachometer.................................. 132
Outside temperature indicator ..... 132
Control system ............ ...................... 133
Multifunction display.................... 133
Multifunction steering wheel........ 134
Menus .......................................... 136
Standard display menu ................ 140
Audio menu.................................. 141
NAV menu .................................... 144
Vehicle status message memory
menu............................................ 144
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30 At a glance
Center console
Upper partItemPage
1Seat heating, driver’s side112
2Windshield defroster switch180
3Rear window wiper/washer
switch60
4Electronic Stability Program
(ESP®) switch
93
5Differential lock switches175
6Central unlocking switch107
Central locking switch107
7Alarm system indicator lamp96
Tow-away alarm off switch97
8Seat heating, front passenger
side112
ItemPage
9Hazard warning flasher switch124
aFront passenger front air bag
off indicator lamp80,
335
bCOMAND system, see
separate operating
instructions
cClimate control182
dAshtray220
Cigarette lighter222
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112 Controls in detail
Seats
Seat heating
The switches for front seat heating are
located on the upper part of the center
console.
The switches for rear seat heating (rear
outer seats) are located on the B-pillars
(
page 113).
Front seat heating
1 Seat heating switch
2 Indicator lamps The red indicator lamps in the switch come
on to show which heating level you have
selected.
Switch on the ignition (page 39).Switching on seat heating
Press switch
1 once.
Three red indicator lamps 2 in the
switch come on.
Continue pressing switch 1 until
desired seat heating level is reached.
Switching off seat heating
Press switch 1 repeatedly until all
indicator lamps 2 in the switch go
out.
Level
3Three indicator lamps on
(highest level)
The seat heating automatically
switches to level 2 after
approximately 5 minutes.
2Two indicator lamps on
The seat heating automatically
switches to level 1 after
approximately 10 minutes.
1One indicator lamp on
(lowest level)
The seat heating automatically
switches off after approximately
20 minutes.
offNo indicator lamp on
iIf one or more of indicator lamps 2 in seat
heating switch 1 are flashing, there is insuffi-
cient voltage available due to too many electrical
consumers are switched on. The seat heating
switches off automatically.
The seat heating will switch back on again
automatically as soon as sufficient voltage is
available.
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113
Controls in detail
Seats
Rear seat heating
1 Normal heating
2 Rapid heating
Switch on the ignition (page 39).
Switching on seat heating
Press upper switch position 1.
One red indicator lamp in the switch
comes on.
Switching off seat heating
Press upper switch position 1 once
more.
The red indicator lamp in the switch
goes out. Switching on rapid seat heating
Press lower switch position
2.
Both red indicator lamps in the switch
come on.
Switching off rapid seat heating
Press lower switch position 2 once
more.
Both red indicator lamps in the switch
go out.
Level
2Two indicator lamps on
(Rapid heating)
The seat heating automatically
switches to normal heating
mode after approximately
5minutes.
Level
1One indicator lamp on
(Normal heating)
The seat heating automatically
switches off after approximately
30 minutes.
offNo indicator lamp on
iIf one or both of the indicator lamps in the
seat heating switch are fl ashing, there is insuffi-
cient voltage available due to too many electrical
consumers are switched on. The seat heating
switches off automatically.
The seat heating will switch back on again
automatically as soon as sufficient voltage is
available.
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184 Controls in detail
Climate control
The climate control is operational when-
ever the engine is running. You can oper-
ate the climate control system in either the
automatic or manual mode. The system
cools or heats the interior depending on
the selected interior temperature and the
current outside temperature. Nearly all dust particles, pollutants and
odors are filtered out before outside air
enters the passenger compartment
through the air distribution system.
The air conditioning will not engage (no
cooling) if the
A/C mode is deactivated
(
page 189).
Warning!G
When operating the climate control, the air
that enters the passenger compartment
through the air vents can be very hot or very
cold (depending on the set temperature).
This may cause burns or frostbite on unpro-
tected skin in the immediate area of the air
vents. Always keep sufficient distance
between unprotected pa rts of the body and
the air vents. If necessary, use the air distri-
bution control (
page 186) to direct the air
to air vents in the vehicle interior that are
not in the immediate area of unprotected
skin.
Warning!G
Follow the recommended settings for
heating and cooling given on the following
pages. Otherwise the windows could fog up,
impairing visibility an d endangering you and
others.
iSevere conditions (e.g. strong air pollution)
may require replacement of the filter before its
scheduled interval. A clogged filter will reduce
the air volume to the interior.
If the vehicle interior is hot, ventilate the interior
before driving off, see “Summer opening fea-
ture” (
page 193). The climate control will then
adjust the interior temperature to the set value
much faster.
Keep the air intake grille in front of the wind-
shield free of snow and debris.
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187
Controls in detail
Climate control
Adjusting air volume for the center air
vents
Opening the center air vents
Turn thumbwheel
5 and/or 8
(
page 182) to the right.
Center air vent 6 and/or7
(
page 182) is open.
Closing the center air vents
Turn thumbwheel 5 and/or 8
(
page 182) to the left.
Center air vent 6 and/or7
(
page 182) is closed.
Adjusting air volume for the side air
vents
Opening the side air vents
Turn thumbwheel 3 and/or a
(
page 182) to the right.
Side air vent 2 and/orb
(
page 182) is open. Closing the side air vents
Turn thumbwheel
3 and/or a
(
page 182) to the left.
Side air vent 2 and/orb
(
page 182) is closed.
Front defroster
You can use this setting to defrost the
windshield, for example if it is iced up.
You can also defog the windshield and the
side windows. Activating
Press button
0 orP
(
page 183).
The indicator lamp on the button
comes on.
The climate control switches to the
following functions automatically:

maximum blower speed and
heating power

air flows onto the windshield and
the front side windows (side air
vents must be open)

the air recirculation mode is
switched off
iKeep this setting selected only until the
windshield or the side windows are clear again.
iIf you have switched on the defrost function
using button 0 orP , you cannot make
any other settings.
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190 Controls in detail
Climate control
Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
Press button9 (page 183) once
more.
The indicator lamp on the button
comes on.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Residual heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior
for up to 30 minutes. This feature makes
use of the residual he at produced by the
engine. Activating
Turn the SmartKey in the starter switch
to position
0 or 1 (
page 39).
or
Remove the SmartKey from the starter
switch.
Press button 9 (page 183).
The indicator lamp on the button
comes on.
Deactivating
Press button 9 (page 183) once
more.
The indicator lamp on the button goes
out.!If the air conditioning cannot be turned on
again, this indicates that the air conditioning is
losing refrigerant. The compressor has turned
itself off.
Have the air conditioning checked at the nearest
authorized Mercedes-Benz Light Truck Center.
iHow long the system will provide heating
depends on

the coolant temperature

the battery voltage
Regardless of the temperature and air volume
set on the climate control panel, an interior
temperature is aimed at by 72°F (22°C) and the
blower runs on low speed to protect the vehicle
battery.
iThe residual heat is automatically turned off:

when the ignition is switched on

after about 30 minutes

if the coolant temperature is too low

if the battery voltage drops
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222 Controls in detail
Useful features
Opening the ashtray
Pull at top of cover1.
Removing the ashtray insert
Push down on catch 2.
Pull out ashtray insert 3.
Reinstalling the ashtray insert
Position ashtray insert 3.
Push at top of cover 1 to close the
ashtray.
Cigarette lighter
Switch on the ignition (page 39). 1
Cigarette lighter
Briefly touch at top of the cover plate.
The ashtray opens automatically.
Push in cigarette lighter 1.
The cigarette lighter will pop out
automatically when hot.
Warning!G
Never touch the heating element or sides of
the cigarette lighter; they are extremely hot.
Hold the knob only.
Make sure that any children traveling with
you do not injure themselves or start a fire
with the hot cigarette lighter.
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Unsuper-
vised use of vehicle equipment may cause
an accident and/or se rious personal injury.
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