Locking/unlocking ........................... 60
Loss of ............................................. 61
Messages in the multifunction
display ........................................... 210
Opening and closing the power
tilt/sliding sunroof ...........................84
Opening and closing the windows .... 84
Remote control ................................ 60
Replacing ......................................... 62
Replacing batteries ........................232
Restoring to factory setting .............61
Selective setting .............................. 61
Starter switch positions ...................65
Kickdown ............................................. 91
Kilopascal (air pressure unit) ........... 178
L
Labels
Certification ................................... 254
Emission control information .........255
Tire and Loading Information
placard ........................................... 165
Tire inflation pressure ....................160
Lamps, exterior
Exterior lamp switch ........................74
Front .............................................. 234
Messages in the multifunction
display ........................................... 215
Switching on/off .............................. 74
Lamps, indicator and warning
ABS .......................................... 26, 220
Brakes ........................................... 220
Engine malfunction ..................26, 225
ESP ®
........................................ 26, 223
Fog lamps ........................................ 76
Front passenger front air bag
off ............................................ 37, 227
Fuel tank reserve .....................26, 224
High-beam headlamps .....................77
Instrument cluster .........................219
Low-beam headlamps ......................75
Low tire pressure/TPMS
malfunction telltale ........................226
Seat belt telltale ......................44, 222
SRS .................................... 26, 32, 223
Turn signals ..................................... 26
Language, selecting .......................... 108
LATCH-type child seat anchors (ISOFIX)
see Children in the vehicle
License plate lamps
Messages in the multifunction
display ........................................... 216
Light alloy wheels, cleaning ............. 196
Lighter see Cigarette lighter
Lighting ................................................ 74
Daytime running lamp mode ............76
Exterior ............................................ 74
Interior ............................................. 79
Limp-home mode ................................. 93
Load index (tires) ...................... 173, 178
Loading see Vehicle loading
Locator lighting ................................. 109
Locking the vehicle
Manually ........................................ 229
SmartKey ......................................... 60
Loss of
Key .................................................. 61
Service and Warranty Information
booklet .......................................... 254
Low-beam headlamps ......................... 75
Exterior lamp switch ........................74
Switching on .................................... 75
Lubricants .......................................... 260
Lumbar support ................................... 67
M
Maintenance ........................................ 19
Maintenance System
Service indicator display ................191
Service indicator message .............190
Service term exceeded ..................191
Manual headlamp mode (Low-
beam headlamps) ................................ 75
Maximum engine speed see Vehicle specification
Maximum loaded vehicle weight ..... 178
Maximum load rating (tires) ............. 178
Maximum permissible tire
inflation pressure .............................. 178
Mechanical key see Key, Mechanical
Media interface ................................. 132
10Index463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 10
Memory function ................................. 73
Menus see Control system menus
Mirrors .................................................. 72
Auto-dimming rear view mirrors ....... 73
Exterior rear view mirror parking
position ............................................ 73
Exterior rear view mirrors ................72
Interior rear view mirror ...................72
Memory function .............................. 73
Vanity mirror .................................. 135
MON (Motor Octane Number) .......... 263
Motor Octane Number see MON
Multicontour seat ................................ 68
Multifunction display ........................ 101
Symbol messages ..........................208
Text messages ............................... 204
Vehicle status messages ...............203
Multifunction display messages
ABS ................................................ 204
Advanced TPMS ..................... 206, 218
Alternator ...................................... 212
Battery ........................................... 212
Brake fluid ..................................... 208
Brake pads ..................................... 208
Coolant .......................................... 210
Cruise control ................................ 205
Doors ............................................. 210
Engine oil ....................................... 213
ESP ®
.............................................. 204
Fog lamps .............................. 215, 217
Gas cap .......................................... 214
High-beam lamps ........................... 216
Hood .............................................. 210
License plate lamps .......................216
Light sensor ................................... 216
Low-beam lamps ............................ 216
Parking brake ................................ 208
Parking lamps ................................ 216
Reserve fuel ................................... 214
Reverse lamp ................................. 215
Side marker lamps .........................215
SmartKey ....................................... 210
SRS ................................................ 205
Tailgate .......................................... 210
Tail lamps ...................................... 217
Tele Aid .......................................... 209Tire inflation pressure ............206, 218
Tire pressure monitor ....................206
Tires ...................................... 206, 218
Transfer case ................................. 209
Turn signals ................................... 218
Washer fluid ................................... 210
Multifunction steering wheel
Adjustment ...................................... 70
Buttons ............................................ 99
Cleaning ......................................... 196
Easy-entry/exit feature ...........71, 112
Heating ............................................ 72
Memory function .............................. 73
Overview .......................................... 27
N
Navigation menu ............................... 105
Navigation system see Separate operating instructions
Net, parcel ......................................... 130
Night security illumination .............. 110
Normal occupant weight .................. 178
Number, vehicle identification
(VIN) ................................................... 255
O
Occupant distribution ....................... 178
Occupant safety
Air bags ........................................... 33
BabySmart™ .................................... 37
Children and air bags .......................33
Children in the vehicle .....................46
Child seat anchors – LATCH-type
(ISOFIX) ........................................... 49
Fastening the seat belts ................... 41
Front passenger front air bag off
indicator lamp .......................... 37, 227
Infant and child restraint systems .... 47
Introduction ..................................... 32
ISOFIX (Child seat anchors –
LATCH-type) ..................................... 49
Seat belts .................................. 34, 39
Odometer ........................................... 101
Off-road driving ................................. 184
Checklist ............................... 185, 189
Crossing obstacles ........................188
Index11463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 11
Turning off the engine ........................ 89
Turn signals ......................................... 77
Cleaning lenses ............................. 194
Indicator lamps ................................ 26
Messages in the multifunction
display ........................................... 218
TWR (Tongue Weight Rating) ........... 179
U
Uniform Tire Quality Grading
Standards .................................. 171, 179
Units
Selecting speedometer display
mode ............................................. 108
Unleaded gasoline, premium ........... 262
Unlocking the vehicle
Manually ........................................ 228
SmartKey ......................................... 60
Upholstery, cleaning ......................... 197
Useful features .................................. 134
V
Vehicle
Battery ........................................... 243
Care ............................................... 192
Control system ................................ 99
Identification Number (VIN) ...........254
Locking/unlocking ........................... 60
Lowering (wheel change) ...............242
Modifications and alterations,
Operating safety .............................. 21
Towing ........................................... 246
Unlocking/locking manually ..........228
Vehicle dimensions
see Vehicle specification
Vehicle Identification Number
(VIN) ................................................... 254
Vehicle jack see Jack
Vehicle lighting .................................... 74
Vehicle loading
Cargo tie-down rings ...................... 130
Cargo volume, expanding ..............130
Instructions .................................... 129
Load limit ....................................... 167
Roof rack ....................................... 130
Terminology ................................... 177
Vehicle maximum load on the tire ... 179
Vehicle specification
G 550 ............................................. 256
G 55 AMG ...................................... 257
Vehicle status message memory .... 105
Vehicle tool kit .................................. 200
Vehicle washing see Vehicle care
Vehicle weights
see Vehicle specification
W
Warning sounds
Driver’s or passenger’s seat belt .....44
Parking brake ................................ 208
Rear Parking Assist system ...........120
Seat belt telltale ............................ 222
Warranty coverage ............................ 254
Washer and headlamp cleaning
system ................................................ 265
Washer fluid
Messages in the multifunction
display ........................................... 210
Mixing ratio .................................... 265
Refilling .......................................... 157
Washing the vehicle .......................... 192
Wear pattern (tires) .......................... 172
Weights (vehicle) see Vehicle specification
Wheel
Changing ....................................... 239
Removing ....................................... 241
Spare ............................................. 239
Tightening torque ........................... 242
Wheels, sizes ..................................... 258
Wheels, Tires and .............................. 158
Window curtain air bags ..................... 37
Windows see Power windows
Windows, cleaning ............................ 195
Windshield
Cleaning wiper blades .................... 195
Defogging ...................................... 126
Washer fluid ................................... 265
Wipers ............................................. 82
16Index463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 16
CockpitFunctionPage:Combination switch:Turn signals77Wipers82High beam77;Headlamp cleaning button78=Cruise control lever115?Horn AInstrument cluster26,
98
BLever for Voice Control
System, see separate
operating instructions
CStarter switch65DGlove box lock132FunctionPageEGlove box132FCenter console28GMultifunction steering
wheel
27,
99
HOn-board diagnostics
(OBD) socket
IHood lock release152JSteering wheel adjustment70Heated steering wheel72KExterior lamp switch74LExterior rear view mirror
adjustment72
Cockpit25At a glance463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 25Z
Instrument clusterFunctionPage:Speedometer with:L Low-beam headlamp
indicator lamp75
d Electronic Stability
Program (ESP®) warning
lamp 223
h Combination low tire
pressure/TPMS
malfunction telltale, USA
only
162,
226
h Low tire pressure
telltale, Canada only
162,
226
$ Brake warning lamp,
USA only221
J Brake warning lamp,
Canada only221
;# Left turn signal
indicator lamp 77
=Multifunction display101?! Right turn signal
indicator lamp77
FunctionPageATachometer with: ! Antilock Brake
System (ABS) indicator
lamp 220
7 Seat belt telltale44,
222
+ Supplemental
Restraint System (SRS)
indicator lamp
32,
223
= Engine malfunction
indicator lamp, USA only 225
; Engine malfunction
indicator lamp, Canada only225
K High-beam headlamp
indicator lamp77
BFuel gauge with:8 Fuel filler flap
indicator: The fuel filler flap
is located on the rear right-
hand side. 224
CCoolant temperature gauge9826Instrument clusterAt a glance
463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 26
GWarning!
Activate the override switch when children
are riding in the back seats of the vehicle. The
children may otherwise injure themselves,
e.g. by becoming trapped in the rear door
window opening.
XActivating: Slide override switch : to the
right.
Symbol # becomes visible.
The rear door windows can no longer be
operated using the respective switch
located in the rear doors.
You can still operate the rear door windows
using the switches located on the door
control panel of the driver’s door.
XDeactivating: Slide override switch : to
the left.
The rear door windows can be operated
again using the respective switch located
in the rear doors.
For more information on power windows, see
the “Controls in detail” section
(Y page 84).
Panic alarmXActivating: Press and hold !
button : for at least 1 second.
An audible alarm and flashing turn signal
lamps will operate.
XDeactivating: Press ! button : again.
or
XInsert the SmartKey into the starter switch.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any
interference received, including
interference that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
iCanada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1.This device may not cause interference,
and
2. this device must accept any
interference received, including
interference that may cause undesired
operation of the device.
Panic alarm51Safety and security463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 51Z
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.
Activating
XRemove the SmartKey from the starter
switch.
Deactivating
XSwitch on the ignition.
iStarting the engine will also deactivate
the immobilizer.
In the event that the engine cannot be
started (yet the vehicle’s battery is
charged), the system is not operational.
Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA) or 1-800-387-0100 (in Canada).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
Ra door
Rthe tailgate
Rthe hood
The alarm will stay on even if the activating
element, a door, for example, is closed
immediately.
The alarm system will also be triggered when
Rthe vehicle is opened with the mechanical
key
Ra door is opened from the inside
Rthe tailgate is opened from the inside
To cancel the alarm after it has been
triggered, see “Canceling the alarm”
(Y page 57).
XArming: Lock the vehicle with the
SmartKey.
The turn signal lamps flash three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
iIf the turn signal lamps do not flash three
times, a door or the tailgate may not be
properly closed.
Close the respective element.
XDisarming: Unlock the vehicle with the
SmartKey.
The turn signal lamps flash once to indicate
that the alarm system is disarmed.
iUnless you open a door or the tailgate
within approximately 40 seconds after
unlocking the vehicle:
RThe vehicle will be locked again.
RThe anti-theft alarm system will be
rearmed.
Tow-away alarm
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.
To cancel the alarm after it has been
triggered, see “Canceling the alarm”
(Y page 57).
56Anti-theft systemsSafety and security
463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 56
Vehicle equipment
iThis Operator’s Manual describes all
features, standard or optional, potentially
available for your vehicle at the time of
purchase. Please be aware that your
vehicle might not be equipped with all
features described in this manual.
Locking and unlocking
Notes
GObserve Safety notes, see page 46.
When unlocking the vehicle, all turn signal
lamps flash once. The locking knobs in the
doors move up. The anti-theft alarm system
is disarmed.
When locking the vehicle, all turn signal lamps
flash three times. The locking knobs in the
doors move down. The anti-theft alarm
system is armed.
All doors, the hood and the tailgate must be
closed.
If you cannot lock or unlock the vehicle with
the SmartKey, the batteries in the SmartKey
are discharged, the SmartKey is
malfunctioning, or the vehicle battery is
drained.
XCheck the batteries in the SmartKey
(Y page 61) and replace them if
necessary.
XUse the mechanical key to unlock the
driver’s door and the tailgate
(Y page 228).
XUse the mechanical key to lock the vehicle
(Y page 229).
XHave the vehicle battery and the vehicle
battery connections checked at an
authorized Mercedes-Benz Center.
If the SmartKey is malfunctioning, contact
Roadside Assistance or an authorized
Mercedes-Benz Center.
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and a
removable mechanical key.
The SmartKey centrally locks and unlocks
Rthe doors
Rthe tailgate
Rthe fuel filler flap
: &Lock button; %Unlock button
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference, and
2. this device must accept any
interference received, including
interference that may cause undesired
operation.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
60Locking and unlockingControls in detail
463_AKB; 3; 35, en-USd2ureepe,Version: 2.11.8.12009-07-16T20:59:56+02:00 - Seite 60