2004 MERCEDES-BENZ G55AMG lock

343 Technical terms
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
BabySmart
TM airbag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front airbag when such a
seat is properly installed (indicator
lamp7 in the center console
comes on). See your authorized
Mercedes-Benz Light Truck Center for
availability.
BabySmartTM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front airbag if a BabySmart
TM
compatible child seat is installed.BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
CAN system
(C
ontroller A
rea N
etwork)
Data bus network serving to control ve-
hicle functions such as door locking or
windshield wiping.
Cockpit
All instruments, switches, buttons and
indicator/warning lamps in the passen-
ger compartment needed for vehicle
operation and monitoring.COMAND
(C
ockpit M
anagement and D
ata Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and the
navigation system, as well as other op-
tional equipment (CD changer, tele-
phone, etc.).
Control system
The control system is used to call up
vehicle information and to change
component settings. Information and
messages appear in the multifunction
display. The driver uses the buttons on
the multifunction steering wheel to
navigate through the system and to ad-
just settings.

344 Technical termsDifferential locks
On slippery surfaces, differential locks
prevent one wheel of an axle from spin-
ning while the other wheel stands still,
resulting in driving force no longer be-
ing transferred.
Cruise control
Driving convenience system for auto-
matically maintaining the vehicle speed
set by the driver.
Engine number
The number set by the manufacturer
and placed on the cylinder block to
uniquely identify each engine pro-
duced.
Engine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.ESP
(E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRS
FSS
(F
lexible S
ervice S
ystem)
Service indicator in the speedometer
display that informs the driver when
the next vehicle maintenance service is
due.
GAWR
(G
ross A
xle W
eight R
ating)
The GAWR is the maximum permissible
axle weight. The gross vehicle weight
on each axle must never exceed the
GAWR for the front and rear axle indi-
cated on the certification label located
on the driver’s door pillar.GVW
(G
ross V
ehicle W
eight)
The GVW comprises the weight of the
vehicle including fuel, tools, spare
wheel, installed accessories, passen-
gers and cargo. The GWV must never
exceed the GVWR indicated on the cer-
tification label located on the driver’s
door pillar.
GVWR
(G
ross V
ehicle W
eight R
ating)
This is the maximum permissible vehi-
cle weight. It is indicated on certifica-
tion label located on the driver’s door
pillar.
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector le-
ver.

345 Technical terms
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD digital maps for
navigation.
Instrument cluster
The displays and indicator/warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
engine temperature and fuel gauge.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.
Line of fall
The direct line that an object moves
downhill when influenced by the force
of gravity alone. Lock button
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the lock button down
on an individual door from inside will
lock that door.
Memory function*
Used to store three individual seat,
steering wheel and mirror positions for
each key.
Menu
The control system displays are ar-
ranged in menus. Each menu contains
a number of commands for particular
systems. In the Audio menu, for exam-
ple, you will find the commands
Select
radio station
or Operate CD player
.
Using commands, you can directly
change the settings for your vehicle.MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
A display field in the instrument cluster
used to present information provided
by the control system.
Overspeed range
Engine speeds within the red marking
of the tachometer dial. Avoid this en-
gine speed range, as it may result in se-
rious engine damage that is not
covered by the Mercedes-Benz Limited
Warranty.

346 Technical termsPoly-V-belt drive
Drives engine-components (alternator,
AC compressor, etc.) from the engine.
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing


engine


clutch/torque converter


transmission


transfer case


drive shaft


differential


axle shafts/axles
Rear Parking Assist*
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.Remote Vehicle Diagnostics
Transmission of vehicle data and cur-
rent location to the Mercedes-Benz
Customer Assistance Center for sub-
scribers to Tele Aid service.
REST
(Residual engine heat utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.
Restraint system
Seat belts, belt tensioner, airbags and
child seat restraint systems. As inde-
pendent systems, their protective func-
tions complement one another.RON
(R
esearch O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line’s ability to resist undesired detona-
tion (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Shift lock
When the vehicle is parked, this lock
prevents the transmission gear selec-
tor lever from being moved out of
positionP without key turned and
brake pedal depressed.
SRS
(S
upplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and airbags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.

349 Index
A
ABS 25, 74, 343
LOW RANGE mode 75
Malfunction indicator lamp 252, 253
Messages in display 261
Warning lamp 252, 253
Accelerator position, automatic
transmission 144
Accident
In case of 50
Activating
Air conditioning (cooling) 162
Air recirculation mode 160
Anti-theft alarm system 82
Central locking (control system) 133
Defrost 160
Easy-entry/exit feature 133
ESP 81
Exterior headlamps 46
Exterior lamps 105
Exterior rear view mirror parking
position 153Hazard warning flasher 108
Headlamps 46
High beams 108
Ignition 33
Rear fog lamp 106
Rear window defroster 155
Windshield wipers 47
Adding
Coolant 233
Engine oil 231
Additional turn signals 295
Adjusting 34
Air distribution 159
Air volume 159
Backrest tilt 36
Exterior rear view mirror 38
Head restraint height 36
Head restraint height, rear seats 96
Head restraint tilt 36
Instrument cluster illumination 112Interior rear view mirror 38
Mirrors 38
Multicontour seat* 97
Seat cushion length 97
Seat cushion tilt 36
Seat fore and aft adjustment 35
Seat height 36
Seats 34
Steering column in/out 37
Steering column up/down 37
Steering wheel 37
Air conditioning (cooling)
Turning off 162
Turning on 162
Air conditioning refrigerant 335
Air distribution
Adjusting 159
Air pressure see Tire inflation pressure
Air recirculation mode 160
Activating 160
Deactivating 161

350 IndexAir volume
Adjusting 159
AIRBAG OFF indicator lamp 259
Airbags 57
BabySmart
TM airbag deactivation
system 68, 343
Front 61
Safety guidelines 60
Alarm
Audible 73, 82
Canceling 83, 84
Visual 82
Alarm system
Anti-theft 82
Anticorrosion/antifreeze 337
Antiglare
Automatic 152
Antilock brake system (ABS) 343
Anti-theft alarm system
Arming 82Canceling alarm 83
Disarming 83
Anti-theft systems 82
Anti-theft alarm system 82
Tow-away alarm 83
Aquaplaning see Hydroplaning
Armrest
Storage compartment below 184
Storage compartment in front of 184
Ashtrays 186
At the gas station 224
ATF (automatic transmission fluid) 232
AUDIO menu 120
Selecting radio station 121
Automatic antiglare for rear view
mirror 152
Automatic central locking
Activating/deactivating (control
system) 133
Automatic climate control
Deactivating 162
Automatic headlamp mode 105Automatic lighting control
Activating 109
Deactivating 109
Automatic locking when driving 91
Automatic transmission 140
Accelerator position 144
Emergency operation (Limp Home
Mode) 144
Fluid level 232
Gear ranges 142
Gear selector lever position 140, 142
Gear shifting malfunctions 144
Kickdown 144
Manual shifting 141
One-touch gearshifting 141
Transmission fluid 232
B
BabySmart
TM
Airbag deactivation system 68, 343
Compatible child seats 68, 343
Self-test 68

351 Index
Backup lamps 296
Bulbs 296
Replacing bulbs 302
BAS 74, 76, 343
Messages in display 261
Batteries, SmartKey
Changing 288
Check lamp 87
Checking 88
Battery box
Fuse box in 319
Battery discharged
Jump starting 313
Battery, vehicle 235, 311
Charging 311
Disconnecting 312
Messages in display 265, 266
Reconnecting 312
Block heater 240
Blocking rear door window operation 71B-pillar 326
Brake assist system (BAS) 343
Brake fluid 225, 335
Brake lamp bulbs, left and right 296
Brake lamp, high mounted 296
Brake pads
Message in display 266
Brakes 208
Warning lamp 254, 255
Break-in period 206
Brush guard* 293
Lowering 294
Raising and securing 294
Bulbs, replacing
Additional turn signals 295
Backup lamps 296, 302
Brake lamps 296, 302
Front fog lamps 295, 299
Front lamps 295
Front turn signal lamps 295, 300High and low beam 297
High beam lamps 295
High mounted brake lamp 296
License plate lamps 296, 303
Low beam lamps 295
Parking lamps 295, 296, 297
Rear fog lamp 296, 302
Rear turn signal lamps 296
Side marker lamps 295, 300
Standing lamps 295, 296, 297
Tail lamp assemblies 296, 301
C
CAC (Customer Assistance Center) 343
Calling up
Range (distance to empty) 137
Service indicator 243
CAN system 343
Capacities
Fuels, coolants, lubricants, etc. 333
Cargo area see Cargo compartment

352 IndexCargo compartment
Tailgate 89, 90
Tie-down rings 182
Cargo compartment cover 175
Installing 176
Removing 176
Cargo tie-down rings 182
Catalytic converter 222
CD changer 284
CD player
Operating 121
Center console 27
AIRBAG OFF indicator lamp 259
Lower part 28
Upper part 27
Centigrade
Setting temperature units 127
Central locking
From inside 92
Switch 92Switching on/off (control
system) 133
Unlocking from inside 92
Certification label 326
Changing
Batteries (SmartKey) 288
Key setting 133
Charging
Vehicle battery 311
CHECK ENGINE malfunction indicator
lamp 256
Checking
Coolant level 225, 232
Oil level 226, 228
Checklist
Off-road driving 215
Child safety 65
Infant and child restraint systems 56,
62, 66
LATCH child seat anchors 70Child safety switch see Blocking of rear
door window operation
Cigarette lighter 188
Cleaning
Cup holders 248
Gear selector lever 248
Hard plastic trim items 248
Headlamps 153
Headliner 248
Illuminated door sill panels 249
Instrument cluster 248
Leather upholstery 249
Light alloy wheels 248
MB Tex upholstery 249
Plastic and rubber parts 249
Rear Parking Assist sensors* 247
Seat belts 248
Steering wheel 248
Windows 247
Windshield 48
Wiper blades 247
Wood trims 249