
Control system .................................... 99
Multifunction display .....................101
Multifunction steering wheel ............ 99
Resetting to factory settings ..........106
Control system menus ...................... 102
Audio/DVD .................................... 103
Navigation ..................................... 105
Settings ......................................... 106
Standard display ............................ 102
Telephone ...................................... 113
Trip computer ................................ 112
Vehicle status message memory ...105
Control system submenus
Convenience .................................. 111
Instrument cluster .........................107
Lighting .......................................... 109
Vehicle ........................................... 111
Convenience submenu
Easy-entry/exit feature .................. 112
Coolant
Anticorrosion/antifreeze ...............264
Capacities ...................................... 261
Checking level ............................... 156
Messages in the multifunction
display ........................................... 210
Temperature gauge ..........................98
Coolant temperature gauge ............... 26
Corner-illuminating front fog
lamps .................................................... 78
Cruise control .................................... 115
Activating ....................................... 116
Canceling ....................................... 116
Changing the set speed .................116
Last stored speed ..........................117
Lever .............................................. 116
Messages in the multifunction
display ........................................... 205
Resume function ............................ 117
Setting current speed ....................116
Cup holders ........................................ 134
Curb weight ....................................... 177
Customer Assistance Center (CAC) ... 21
Customer Relations Department ....... 21D
Dashboard see Instrument cluster
Data recording ..................................... 22
Daytime running lamp mode .............. 76
Switching on or off ......................... 109
Deep water
see Standing water
Defogging (windshield) ..................... 126
Defroster
Front (Climate control system) ......125
Rear window .................................. 127
Windshield ..................................... 127
Delayed shut-off
Exterior lamps ................................ 110
Interior lighting .............................. 111
Department of Transportation
see DOT
Differential locks ................................. 95
A few words about ...........................96
Difficulties
While driving .................................... 87
With starting .................................... 86
Digital speedometer ......................... 103
Dimensions (vehicle) see Vehicle specification
Direction of rotation (tires) .............. 169
Displays
Digital speedometer ......................103
Maintenance service indicator .......190
Messages in the multifunction
display ........................................... 203
Multifunction display .....................101
Outside temperature .............103, 108
Symbol messages ..........................208
Text messages ............................... 204
Trip computer ................................ 112
Vehicle status message memory ...105
Vehicle system settings .................106
Door control panel .............................. 30
Door handles ........................................ 30
Doors
Child safety locks ............................ 50
Locking/unlocking (SmartKey) ........60
Messages in the multifunction
display ........................................... 210
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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
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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
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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
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7 NFront fog lamps8 RRear fog lamp
i
If you hear a warning signal you have
forgotten to switch off the low-beam
headlamps or the parking lamps before
opening the driver’s door.
In addition, the message Switch Off
Lights appears in the multifunction
display.
Switch off the low-beam headlamps or the
parking lamps.
If the message Turn off lights or
remove key appears in the multifunction
display remove the SmartKey from the
starter switch or switch off the headlamps.
! Failure to switch off the exterior lamps
when leaving the vehicle may result in a
discharged battery.
Low-beam headlamps
The low-beam headlamps can be switched on
and off with the exterior lamp switch.
XSwitching on: Turn the exterior lamp
switch to position L.
The following lamps come on:
R Low-beam headlamps
R Tail lamps
R Parking lamps
R License plate lamps
R Side marker lamps
R Instrument panel lamps
R Green indicator lamp L in the
instrument clusterXSwitching off: Turn the exterior lamp
switch to position $.Automatic headlamp mode
The following lamps come on and go out
automatically depending on the brightness of
the ambient light:
R Low-beam headlamps
R Tail lamps
R Parking lamps
R License plate lamps
R Side marker lamps
GWarning!
If the exterior lamp switch is set to Ã, the
headlamps will not automatically come on
under foggy conditions.
To minimize risk to you and to others, activate
headlamps by turning exterior lamp switch to
L when driving or when traffic and/or
ambient lighting conditions require you to do
so.
In low ambient lighting conditions, only switch
from position à to L with the vehicle
at a standstill in a safe location. Switching
from à to L will briefly switch off the
headlamps. Doing so while driving in low
ambient lighting conditions may result in an
accident.
The automatic headlamp feature is only an aid
to the driver. The driver is responsible for the
operation of the vehicle’s lights at all times.
XSwitching on: Turn the exterior lamp
switch to position Ã.
The following lamps come on and go out
depending on the brightness of the ambient
light with the SmartKey in starter switch
position 1:
R Tail lamps
R Parking lamps
R License plate lamps
R Side marker lamps
When the engine is running, the low-beam
headlamps will also come on and turn off
automatically.
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Canada only: High-beam headlamps are only
available with the exterior lamp switch in
position L.
Daytime running lamp mode
In Canada, the daytime running lamp mode is
mandatory and therefore in a constant mode.
In the USA, the daytime running lamp mode
is deactivated by default.
XActivate the daytime running lamp mode
using the control system, see “Switching
daytime running lamp mode on or off (USA
only)” ( Y page 109).XTurn the exterior lamp switch to position
$ or à .
When the engine is running, the low-beam
headlamps come on.
In low ambient lighting conditions, the
following lamps will come on additionally:
R Tail lamps
R Parking lamps
R License plate lamps
R Side marker lamps
With the daytime running lamp mode
activated and the engine running, you cannot
switch off the low-beam headlamps manually.
Canada only
With the exterior lamp switch in position
$ or à , you cannot switch on the
high-beam headlamps.
The high-beam flasher is available at all times.
XFor nighttime driving turn the exterior lamp
switch to position L to permit activation
of the high-beam headlamps.
When the engine is running, and you
R shift from a driving position to neutral
position N or park position P with the
vehicle at a standstill, the low-beam
headlamps will go out with a delay of
3 minutes
R turn the exterior lamp switch to position
T , the low-beam headlamps, the tail
and parking lamps, the license plate lamps
and the side marker lamps come on
R turn the exterior lamp switch to position
L , the manual headlamp mode has
priority over the daytime running lamp
mode
The corresponding exterior lamps come on
( Y page 74).
USA only
In bright ambient lighting conditions you can
switch on the high-beam headlamps with the
exterior lamp switch in position L.
In low ambient lighting conditions you can
switch on the high-beam headlamps with the
exterior lamp switch in position $, Ã
or L .
The high-beam flasher is available at all times.XFor nighttime driving turn the exterior lamp
switch to position L to permit activation
of the high-beam headlamps.
When the engine is running, and you turn the
exterior lamp switch to position T or
L , the manual headlamp mode has
priority over the daytime running lamp mode.
The corresponding exterior lamps come on
( Y page 74).
Fog lamps
Fog lamps cannot be switched on with the
exterior lamp switch in position Ã.
GWarning!
In low ambient lighting or foggy conditions,
only switch from position à to L with
the vehicle at a standstill in a safe location.
Switching from à to L will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions may
result in an accident.
Fog lamps will operate with the parking lamps
and/or the low-beam headlamps on. Fog
lamps should only be used in conjunction with
low-beam headlamps. Consult your State or
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Province Motor Vehicle Regulations
regarding permissible lamp operation.
XTurn the exterior lamp switch to position
T or L (Y page 74).
XSwitching on front fog lamps: Pull out the
exterior lamp switch to first stop.
The green indicator lamp N in the
exterior lamp switch comes on.
XSwitching on rear fog lamp: Pull out the
exterior lamp switch to second stop.
The rear fog lamp, the front fog lamps, the
green N and the yellow indicator lamp
R in the exterior lamp switch come on.
XSwitching off front fog lamps/rear fog
lamp: Push in the exterior lamp switch to
its stop.
Locator lighting and night security
illumination
Locator lighting and night security
illumination are described in the “Control
system” section, see “Switching locator
lighting on or off” (Y page 109) and
“Switching night security illumination
(Headlamps delayed shut-off feature) on or
off” (Y page 110).
Combination switch
High beam XTurn the exterior lamp switch to position
L (Y page 74).
XSwitching on: Push the combination
switch in direction of arrow :.
The high-beam headlamp indicator lamp
K in the instrument cluster comes on.
XSwitching off: Pull the combination switch
in direction of arrow ; to its original
position.
iAlso note the information on high-beam
headlamps with activated automatic
headlamp mode (Y page 75) or the daytime
running lamp mode (Y page 76).
High-beam flasher
XSwitching on: Pull the combination switch
briefly in direction of arrow ;.
Turn signals
XPress the combination switch in direction
of arrow : or ;.
The corresponding turn signal indicator
lamp ! or # in the instrument
cluster flashes.
The combination switch resets automatically
after major steering wheel movements.
iTo signal minor directional changes such
as changing lanes, press the combination
switch only to point of resistance and
release. The corresponding turn signal
lamps will flash three times.
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Hazard warning flasher
The hazard warning flasher can be switched
on at all times, even with the SmartKey
removed from the starter switch.
The hazard warning flasher comes on
automatically when an air bag deploys.
XSwitching on: Press hazard warning
flasher switch :.
All turn signal lamps are flashing.
iWith the hazard warning flasher activated
and the combination switch set for either
left or right turn, only the respective left or
right turn signals will operate when the
ignition is switched on.
XSwitching off: Press hazard warning
flasher switch : again.
iIf the hazard warning flasher has been
activated automatically, press hazard
warning flasher switch : to switch it off.
Headlamp cleaning system
XSwitch on the ignition.XPress headlamp cleaning button :.
The headlamps are cleaned with a high-
pressure water jet.
The headlamps will be cleaned automatically
when you have
Rswitched on the headlamps
and
Rthe windshield wipers have wiped the
windshield with washer fluid fifteen times
For information on filling up the washer
reservoir, see “Washer system and headlamp
cleaning system” (Y page 157).
Corner-illuminating front fog lamps
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
only operate
Rin low ambient lighting conditions
Rat vehicle speeds below 25 mph
(40 km/h)
Rwith the front fog lamps switched off
Rwhen the engine is running
Switching on
XTurn the exterior lamp switch to position
L or Ã.
or
XActivate the daytime running lamp mode
(Y page 76).
XSwitch on the left or right turn signal,
depending on whether you are turning left
or right.
The respective front fog lamp comes on. If
you have switched on the turn signal for
one side but turn the steering wheel in the
other direction, the corner-illuminating
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