2003 MERCEDES-BENZ G55AMG coolant

ContentsDriving and safety systems .................. 71
ABS ................................................ 71
BAS ................................................ 73
4-ETS .............................................. 74
EBB................................................. 75
ESP ................................................. 75
Anti-theft systems................................ 79
Immobilizer..................................... 79
Anti-theft alarm .............................. 79
Tow-away alarm ............................. 80Controls in detail............................... 83
Locking and unlocking ......................... 84
Keys ............................................... 84
Opening the doors from the inside . 87
Tailgate........................................... 87
Automatic central locking .............. 89
Locking and unlocking
from the inside ............................... 89
Seats.................................................... 91
Easy-entry/exit feature .................. 91
Removing and installing head
restraints ........................................ 92
Synchronizing head restraints and
the seat adjustment fore and aft .... 93Multicontour seat* ......................... 94
Heated seats .................................. 95
Memory function ................................. 97
Storing positions into memory ....... 98
Recalling positions from memory ... 98
Storing exterior rear view mirror
parking position ............................. 99
Lighting.............................................. 100
Exterior lamp switch..................... 100
Combination switch ..................... 103
Hazard warning flasher ................ 103
Interior lighting............................. 104
Rear interior lamps....................... 105
Cargo compartment lamps........... 106
Instrument cluster ............................. 108
Instrument cluster illumination .... 108
Coolant temperature display ........ 108
Trip odometer .............................. 109
Tachometer .................................. 109
Outside temperature indicator ..... 110
Control system .................................. 111
Multifunction display .................... 111
Multifunction steering wheel ........ 112
Menus .......................................... 114
Standard display menu ................ 116
AUDIO menu ................................ 116NAVI menu ................................... 118
Malfunction memory menu .......... 118
Settings menu .............................. 119
Trip computer menu..................... 130
TEL menu ..................................... 132
Automatic transmission ..................... 135
One-touch gearshifting ................ 136
Gear ranges ................................. 137
Gear selector lever position ......... 138
Accelerator position ..................... 139
Emergency operation
(Limp Home Mode) ...................... 140
Transfer case ..................................... 141
Gear range ................................... 141
Switching transfer case ............... 141
Differential locks ............................... 143
A few words about differentials
and differential locks ................... 144
Switching differential locks on
and off ......................................... 145
Good visibility .................................... 147
Rear view mirror .......................... 147
Headlamp cleaning system .......... 148
Sun visors .................................... 149

Contents
Climate control .................................. 150
Setting the temperature ............... 152
Adjusting air distribution and
volume ......................................... 153
Defrosting .................................... 154
Air recirculation............................ 154
Rear window defroster ................. 155
Residual engine heat utilization.... 156
Deactivating the climate control
system ......................................... 156
Air conditioning ............................ 157
Rear passenger compartment
adjustable air vents ...................... 157
Power windows.................................. 158
Opening and closing the windows 158
Sliding/pop-up roof ........................... 160
Opening and closing the
sliding/pop-up roof ...................... 160
Driving systems ................................. 162
Cruise control .............................. 162
Rear Park Assist* ......................... 165
Loading.............................................. 168
Roof rack ..................................... 168
Cargo area cover.......................... 168
Enlarged cargo area ..................... 169
Split rear seat bench .................... 169Partition net* (MB Accessory) ...... 171
Loading instructions ..................... 173
Cargo tie-down rings ..................... 175
Useful features ................................... 176
Interior storage spaces ................. 176
Ashtrays........................................ 179
Cigarette lighter ............................ 181
Electrical outlet ............................. 181
Telephone* ................................... 182
Tele Aid ......................................... 183
Garage door opener ...................... 191
Heated steering wheel .................. 194
Operation.......................................... 195
The first 1000 miles (1500 km) .......... 196
Driving instructions ............................ 197
Drive sensibly – save fuel.............. 197
Drinking and driving ...................... 197
Pedals ........................................... 197
Power assistance .......................... 198
Brakes........................................... 198
Driving off ..................................... 199
Parking.......................................... 199
Tires .............................................. 200
Hydroplaning................................. 200Tire traction .................................. 201
Tire speed rating ........................... 201
Winter driving instructions ............ 202
Standing water ............................. 203
Passenger compartment............... 203
Off-road driving ............................. 203
Control and operation of radio
transmitters .................................. 210
Driving abroad .............................. 211
Catalytic converter ....................... 211
Emission control ........................... 212
Coolant temperature .................... 212
At the gas station ............................... 214
Check regularly and
before a long trip .......................... 215
Engine compartment .......................... 216
Hood ............................................. 216
Engine oil ...................................... 217
Transmission fluid level ................ 220
Coolant level ................................. 220
Windshield/rear window washer
system and headlamp cleaning
system .......................................... 222
Battery ............................................... 223

Contents
Technical data................................. 307
Spare parts service ............................ 308
Warranty coverage............................. 309
Loss of Service and Warranty
Information Booklet ..................... 309
Identification labels ........................... 310
Layout of poly-V-belt drive ................. 311
G 500/G 55 AMG ........................ 311
Engine................................................ 312
Rims and tires.................................... 313
Tires and Spare wheel .................. 313
Electrical system ............................... 314
Main dimensions, vehicle weights
and ratings......................................... 315
Main dimensions .......................... 315
Vehicle weights and ratings ......... 315Fuels, coolants, lubricants etc. ........... 316
Capacities ..................................... 316
Engine oils .................................... 317
Engine oil additives ....................... 317
Air conditioning refrigerant ........... 317
Brake fluid..................................... 318
Premium unleaded gasoline .......... 318
Fuel requirements ......................... 318
Gasoline additives......................... 319
Coolants ....................................... 319
Anticorrosion/antifreeze .............. 320
Windshield/rear window washer
system and headlamp cleaning
system .......................................... 321
Consumer information ........................ 322
Uniform tire quality grading .......... 322
Technical terms............................... 325Index................................................. 331

49 Getting started
Driving
Problems while driving
The engine runs erratically and misfires

An ignition cable may be damaged.


The engine electronics may not be op-
erating properly.


Unburned gasoline may have entered
the catalytic converter and damaged it.

Give very little gas.

Have the problem repaired by an au-
thorized Mercedes-Benz Light Truck
Center as soon as possible.The coolant temperature is over 248°F
(120°C)
The coolant is too hot and is no longer
cooling the engine.

Stop the vehicle as soon as possible
and turn off the engine. Allow engine
and coolant to cool.

Check the coolant level and add cool-
ant if necessary (
page 220).In case of accident
If the vehicle is leaking gasoline:

Do not start the engine under any cir-
cumstances.

Notify local fire and/or police authori-
ties.
If the extent of the damage cannot be de-
termined:

Notify an authorized Mercedes-Benz
Light Truck Center.
If no damage can be determined on the


major assemblies


fuel system


engine mount:

Start the engine in the usual manner.
iExcessive coolant temperatures trigger
a warning message in the multifunction
display (
page 252).

108 Controls in detailInstrument cluster
Instrument clusterA full view illustration of the instrument
cluster can be found in the “At a glance”
section of this manual (
page 24).
1Reset knob
The instrument cluster is activated when
you:


open a door


turn on the ignition


press reset knob1


switch on the exterior lamps
You can change the instrument cluster set-
tings in the Instrument cluster submenu of
the control system (
page 122).
Instrument cluster illumination
Use the reset knob to adjust the illumina-
tion brightness for the instrument cluster.
To brighten illumination
Turn reset knob1 in the instrument
cluster clockwise.
The instrument cluster illumination will
brighten.To dim illumination

Turn reset knob1 in the instrument
cluster counterclockwise.
The instrument cluster illumination will
dim.
Coolant temperature display
iThe instrument cluster illumination is
dimmed or brightened automatically to
suit ambient light conditions.
The instrument cluster illumination will
also be adjusted automatically when
you switch on the vehicle’s exterior
lamps.
Warning!
G


Driving when your engine is badly over-
heated can cause some fluids which
may have leaked into the engine com-
partment to catch fire. You could be se-
riously burned


Steam from an overheated engine can
cause serious burns and can occur just
by opening the engine hood. Stay away
f r o m t h e e n g i n e i f y o u s e e o r h e a r s t e a m
coming from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until it
cools down.

109 Controls in detail
Instrument cluster

Turn the SmartKey in the starter switch
to position1 or2.

Call up the trip odometer and main
odometer by pressing button
è

or
ÿ
on the multifunction steering
wheel (page 112).

Press button
j
or
k
until the
coolant temperature display appears.During severe operating conditions and
stop-and-go city traffic, the coolant tem-
perature may rise close to 248°F (120°C).
The engine should not be operated with
the coolant temperature above 248°F
(120°C). Doing so may cause serious en-
gine damage which is not covered by the
Mercedes-Benz Limited Warranty.
Trip odometer
Make sure you are viewing the trip
odometer and main odometer
(page 111) in the multifunction dis-
play.

Press and hold the reset knob on the in-
strument cluster (
page 108) until the
trip odometer is reset.
Tachometer
The red marking on the tachometer de-
notes excessive engine speed.
To help protect the engine, the fuel supply
is interrupted if the engine is operated
within the red marking.
iExcessive coolant temperatures trigger
a warning in the multifunction display
(page 252).
!Avoid driving at excessive engine
speeds, as it may result in serious en-
gine damage that is not covered by the
Mercedes-Benz Limited Warranty.

115 Controls in detail
Control system
Menus, submenus and functions
Menu 1
Menu 2
Menu 3
Menu 4
Menu 5
Menu 6
Menu 7
Standard
display
AUDIO
NAVI
Malfunction
memory
Settings
Trip computer
Telephone
Commands/submenuCoolant
temperature
display
Select radio
station
Activate route
guidance
Call up
malfunction
messages
Reset to factory
settings
Fuel
consumption
statistics after
start
Load phone book
Digital
speedometer
Operate CD
player
Instrument
cluster submenu
Fuel
consumption
statistics since
the last reset
Search for name
in phone book
Call up FSS
Lighting
submenu
Call up range
Check engine oil
level
Vehicle submenuConvenience
submenu

116 Controls in detailControl system
Standard display menu
You can select the functions in the stan-
dard display menu with button
k

or
j
.
The following functions are available:
Display digital speedometer

Press button
j
twice.
The current vehicle speed is shown in
the multifunction display.
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
i s s h o w n i n t h e
display.
The following functions are available:
iThe headings used in the menus table
are designed to facilitate navigation
within the system and are not neces-
sarily identical to those shown in the
control system displays.
The first function displayed in each
menu will automatically show you
which part of the system you are in.
Function
Page
Call up coolant temperature
display
108
Call up digital speedometer
see
below
Call up FSS
230
Check engine oil level
218
Function
Page
Select radio station
117
Operate CD player
117