2007 MERCEDES-BENZ G500 air condition

314 Operation
Vehicle care
Cleaning and care of the vehicle
Regular and proper care will help to main-
tain the value of your vehicle. The best way
to protect your vehicle from harmful envi-
ronmental influences is to wash it and use
protective treatments regularly.While in operation, even while parked, your
vehicle is subjected to varying external
influences which, if gone unchecked, can
attack the paintwork as well as the under-
body and cause lasting damage.
Such damage is caused not only by
extreme and varying climatic conditions,
but also by:

Air pollution

Road salt

Tar

Gravel and stone chippingTo avoid paint damage, you should imme-
diately remove:

Grease and oil

Fuel

Coolant

Brake fluid

Bird droppings

Insects

Tree resins, etc.
Frequent washing reduces and/or
eliminates the aggressiveness and
potency of the above adverse influences.
More frequent washings are necessary to
deal with unfavorable conditions:

near the ocean

in industrial areas (smoke, exhaust
emissions)

during winter operation
Warning!G
Many cleaning products can be hazardous.
Some are poisonous, others are flammable.
Always follow the instructions on the partic-
ular container. Always open your vehicle’s
doors or windows when cleaning the inside.
Never use fluids or solvents that are not
designed for cleaning your vehicle.
Always lock away cleaning products and
keep them out of reach of children.

338 Practical hints
What to do if …
Vehicle status messages in the
multifunction display
Warning and malfunction messages
appear in the multifunction display located
in the instrument cluster.
Certain warning and malfunction mes-
sages are accompanied by an audible
signal.
Address these messages accordingly and
follow the additional instructions given in
this Operator’s Manual.
Selecting the vehicle status message
memory menu in the control system
(
page 144) displays both cleared and
uncleared messages.High-priority messages appear in the
multifunction display in red color.
Certain messages of high priority cannot
be cleared from the multifunction display
using the reset button (
page 130) or
buttonj,k,·, orè on the
multifunction steering wheel.
Other messages of high priority and
messages of less immediate priority can
be cleared from the multifunction display
using the reset button (
page 130) or
buttonj,k,·, orè on the
multifunction steering wheel. They are
then stored in the vehicle status message
memory (
page 144). Remember that
clearing a message will only make the
message disappear. Clearing a message
will not correct the condition that caused
the message to appear.
Warning!G
All categories of messages contain
important information which should be
taken note of and, where a malfunction is
indicated, addressed as soon as possible at
an authorized Mercedes-Benz Light Truck
Center.
Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz
Limited Warranty, or result in property
damage or personal injury.

339 Practical hints
What to do if …
On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may
appear in the multifunction display.
For your convenience the messages are
divided into two sections:

Text messages (page 340)

Symbol messages (page 344)
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, please do so
with added caution. Contact an authorized
Mercedes-Benz Light Truck Center as soon
as possible.
iSwitching on the ignition causes all
instrument cluster lamps (except high beam
headlamp indicator lamp, and turn signal
indicator lamps unless activated) as well as the
multifunction display to come on. Make sure the
lamps and multifunction display are in working
order before starting your journey.

414 Technical data
Layout of poly-V-belt drive
For dimensions of the poly-V-belt, see
technical data (
page 415).
G500
1Automatic belt tensioner
2Power steering pump
3Air conditioning compressor
4Crankshaft
5Coolant pump
6Generator (alternator)
7Idler pulleyG55AMG
The G 55 AMG has two poly-V-belts
(belt one shown in purple/belt two shown
in black).
1Idler pulley
2Automatic belt tensioner
3Power steering pump
4Air conditioning compressor
5Crankshaft
6Coolant pump
7Generator (alternator)
8Idler pulley
9Automatic belt tensioner
aSupercharger

424 Technical data
Fuels, coolants, lubricants, etc.
ModelCapacityFuels, coolants, lubricants, etc.
Fuel tank
including a reserve ofG500
G55AMG25.4 US gal (96.0 l)
25.1 US gal (95.0 l)
approx. 3.4 US gal (13.0 l)Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)
Cooling systemG500
G55AMGapprox. 12.7USqt (12.0l)
approx. 13.4USqt (12.7l)MB 325.0 Anticorrosion/Antifreeze
Air conditioning systemR-134a refrigerant and
special PAG lubricant oil (never R-12)
Windshield/rear window washer system
and headlamp cleaning systemapprox. 7.9 US qt (7.5 l)MB Windshield Washer Concentrate1
1Use MB Windshield Washer Concentrate “MB SummerFit” and water for temperatures above freezing point or MB Windshield Washer Concentrate “MB SummerFit”
and commercially available premixed windshield washer solvent/antifreeze for temperatures below freezing point. Follow suggested mixing ratios (page 430).

425 Technical data
Fuels, coolants, lubricants, etc.
Engine oils
Engine oils are specifically tested for their
suitability in our engines and durability for
our service intervals. Therefore, only use
approved engine oils and oil filters
required for vehicles with Maintenance
System (U.S. vehicles) or FSS (Canada
vehicles). For a listing of approved engine
oils and oil filters, refer to the Factory
Approved Service Products pamphlet
(USA only), or contact an authorized
Mercedes-Benz Light Truck Center.
Engine oil additives
Air conditioning refrigerant
R-134a (HFC) refrigerant and special PAG
lubricating oil are used in the air condition-
ing system.
Brake fluid
Only brake fluid approved by
Mercedes-Benz is recommended. Any
authorized Mercedes-Benz Light Truck
Center will provide you with additional
information.
!Using engine oils and oil filters of specifi-
cation other than those expressly required for
the Maintenance System (U.S. vehicles) or FSS
(Canada vehicles), or changing of oil and oil filter
at change intervals longer than those called for
by the Maintenance System (U.S. vehicles) or
FSS (Canada vehicles) will result in engine
damage not covered by the Mercedes-Benz
Limited Warranty.Please follow Maintenance System
(U.S. vehicles) or FSS (Canada vehicles)
recommendations for scheduled oil changes.
Failure to do so will result in engine damage not
covered by the Mercedes-Benz Limited
Warranty.
!Do not blend oil additives with engine oil.
They may damage the engine.
Damage or malfunctions resulting from blending
oil additives are not covered by the
Mercedes-Benz Limited Warranty.
!Never use R-12 (CFC) or mineral-based
lubricating oil. Otherwise damage to the system
will occur.
Warning!G
During vehicle operation, the boiling point of
the brake fluid is continuously reduced
through the absorption of moisture from the
atmosphere. Under extremely strenuous
operating conditions, this moisture content
can lead to the formation of bubbles in the
system, thus reducing the system’s
efficiency.
Therefore, the brake fluid must be replaced
regularly. Refer to your vehicle’s
Maintenance Booklet for replacement
interval.

431 Index
A
ABS 27, 88
Indicator lamp 324–325, 327
LOW RANGE mode 90
Messages in display 340
Accelerator position (Automatic
transmission) 166
Accessory weight 304
Accident
In case of 61
Activating
Air conditioning (cooling) 190
Air recirculation mode 188
Anti-theft alarm system 97
Central locking (control system) 155
Defrost 187
Easy-entry/exit feature 156
ESP
®95
Exterior headlamps 56
Exterior lamps 118
Exterior rear view mirror parking
position 178Headlamps 56
Immobilizer 96
Rear window defroster 181
Windshield defroster 181
Windshield wipers 58
Adding
Coolant 275
Engine oil 273
Additional turn signals 378
Adjusting 41
Air distribution 186
Air volume 186
Exterior rear view mirrors 46
Head restraint fore and aft
adjustment 43
Head restraint height 43
Head restraint height, rear seats 110
Instrument cluster illumination 130
Interior rear view mirror 46
Mirrors 46
Multicontour seat* 109Seat backrest tilt 43
Seat cushion depth 109
Seat cushion tilt 43
Seat fore and aft adjustment 43
Seat height 43
Seats 41
Steering column in/out 45
Steering column up/down 45
Steering wheel 44
Advanced TPMS
Messages in display 342–343,
361–362
Air bags 70
BabySmart
TM air bag deactivation
system 81
Front 73
Safety guidelines 72
Window curtain air bags 74
Air conditioning 189
Air conditioning refrigerant 425
Air distribution
Adjusting 186

434 Index
Cargo tie-down rings 209
Carpets, Cleaning 321
Catalytic converter 262
CD changer 368
CD player
Operating 143
Center console 30
Front passenger front air bag off
indicator lamp 337
Lower part 31
Upper part 30
Central locking
From inside 107
Switch 107
Switching on/off (control
system) 155
Unlocking from inside 107
Central unlocking
Switch 107
Certification label 412
Charging
Vehicle battery 398
Checking
Coolant level 266, 274
Oil level 266, 269Checking tire pressure electronically with
the Advanced Tire Pressure Monitoring
System (Advanced TPMS) 289
Checklist
Off-road driving 254
Child safety 78
Infant and child restraint systems 68,
79
LATCH child seat anchors 83
Child safety switch see Blocking of rear
door window operation
Cigarette lighter 222
Cleaning
Gear selector lever 321
Headlamps 177
Headliner 321
Leather upholstery 322
Light alloy wheels 320
Rear Parking Assist sensors 318,
319
Seat belts 321
Steering wheel 321Upholstery 322
Windows 319
Windshield 59
Wiper blades 319
Wood trims 322
Cleaning tires 279
Climate control 182
Adjusting air distribution 186
Adjusting air volume 186
Air conditioning 189
Air recirculation mode 188
Defogging windshield 188
Defrosting 187
Rear window defroster 181
Residual heat utilization (REST) 190
Setting the temperature 185
Windshield defroster 180
Clock 27
Closing
Glove box 215
Hood 269
Tailgate 106
Tilt/sliding sunroof 196, 374
Windows 192
Closing tilt/sliding sunroof
In an emergency 374