2008 MERCEDES-BENZ G55AMG change wheel

360 Practical hints
What to do if …
Display symbolDisplay messagesPossible cause/consequencePossible solution
HCorrect the
tire pressureThe pressure is too low in one or more
tires.Check and correct tire inflation pressure as
required (
page 288).
Tire pressure
Caution
Tire defectOne or more tires are deflating.Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
If necessary, change the wheel (page 389).
Tire pressure
Check tiresThe tire pressure in one or more tires
is already below the minimum value.Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
Check and adjust tire pressure as required.
If necessary, change the wheel (page 389).
Warning!G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle.
You may lose control of the vehicle. Contin-
ued driving with a flat tire will cause exces-
sive heat build-up and possibly a fire.
Warning!G
Follow recommend tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly, adverse-
ly affect handling and fuel economy, and are
more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires
can adversely affect handling and ride com-
fort, wear unevenly, in crease stopping dis-
tance, and result in sudden deflation
(blowout) because they are more likely to
become punctured or damaged by road de-
bris, potholes etc.
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365
Practical hints
Where will I find...?
Vehicle jack
The vehicle jack is stored in a storage com-
partment under the rear bench seat on the
passenger side.
1 Cover
2 Tab
3 Vehicle jack
Fold the rear bench seat forward
(
page 207).
Open cover 1.
Open tab 2 and remove vehicle
jack 3 from the compartment. Observe the safety guid
elines in the “Flat
tire” section (
page 388) when using the
vehicle jack.
Warning!G
The jack is designed exclusively for jacking
up the vehicle under the axle housing. To
help avoid personal inju ry, use the jack only
to lift the vehicle during a wheel change.
Never get beneath the vehicle while it is
supported by the jack. Keep hands and feet
away from the area under the lifted vehicle.
Always firmly set parking brake and block
wheels before raising vehicle with jack.
Do not disengage park ing brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use,
especially on hills. Always try to use the jack
on level surface.
Make sure the jack is positioned correctly
under the axle housin g. Always lower the
vehicle onto sufficient capacity jackstands
before working under the vehicle.
If the vehicle is not raised as described, it
could slip off the jack as a result of vibra-
tions (e.g. opening or closing a door or the
tailgate).
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366 Practical hints
Where will I find...?
CD changer
The CD changer is located on the driver’s
side of the cargo compartment.
CD changer
For information on CD changer operation,
see separate COMAND system operating
instructions.
Spare wheel
The spare wheel is located under a cover
on the outside of the vehicle’s tailgate.
For information on rim and tire specifica-
tions, see “Rims and tires” (
page 414).
Removing cover
1 Lock
2 Tab
Open lock 1 for cover ring 3 with
screwdriver or coin.
Fold tab 2 downwards. 3
Cover ring
4 Cover plate
Pull cover ring 3 slightly outwards in
direction of arrows and remove.
Pull cover plate 4 towards you.
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389
Practical hints
Flat tire
Mounting the spare wheel
Preparing the vehicle
Prepare the vehicle as described
(
page 388).
Remove the spare wheel from the
spare wheel carrier (
page 366).
Take the vehicle tool kit out of its
storage compartment (
page 364).
Take the vehicle jack
out of its storage
compartment (
page 365). Lifting the vehicle
Prevent the vehicle from rolling away
by blocking wheels with wheel chocks
(not included) or other sizeable
objects.
When changing wheel on a level surface:
Place one wheel chock in front of and
one behind the wheel that is diagonally
opposite to the wheel being changed.
Always try lifting the vehicle using the jack
on a level surface. However, should
circumstances require you to do so on a
hill, place the wheel chocks as follows:
Place the wheel chocks on the downhill
side blocking both wheels of the axle
not being worked on.
Warning!G
For your safety, remove spare wheel from
spare wheel carrier before undertaking any
further steps.
Warning!G
The jack is designed exclusively for jacking
up the vehicle under the axle housing. To
help avoid personal inju ry, use the jack only
to lift the vehicle during a wheel change.
Never get beneath the vehicle while it is
supported by the jack. Keep hands and feet
away from the area under the lifted vehicle.
Always firmly set parking brake and block
wheels before raising vehicle with jack.
Do not disengage park ing brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use,
especially on hills. Always try to use the jack
on level surface.
Make sure the jack is positioned correctly
under the axle housin g. Always lower the
vehicle onto sufficient capacity jackstands
before working under the vehicle.
If the vehicle is not raised as described, it
could slip off the jack as a result of vibra-
tions (e.g. opening or closing a door or the
tailgate).

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390 Practical hints
Flat tire
Wheel wrench
Take the wheel wrench out of the
vehicle tool kit.
On wheel to be changed, loosen but do
not yet remove the wheel bolts
(approximately one full turn with the
wheel wrench).
Pump handle (three pieces)
1Indent for activation of release bolt 2
Take the pump handle out of the
vehicle tool kit.
Assemble the pump handle for the
jack.
Jack
2Release bolt
Set indent 1 of the pump handle onto
release bolt 2.
Using the pump handle, turn release
bolt 2 clockwise until its stop.
Release bolt 2 is closed.
Remove the pump ha ndle from release
bolt 2.
Set the pump handle into the pump
lever (indicated by the arrow).

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391
Practical hints
Flat tire
Place jack on firm ground.
Position jack under the axle housing,
so that it is always vertical (plumb-line)
as seen from the side, even if the
vehicle is parked on an incline.
Be certain the jack arm is positioned
correctly under the axle housing (axle
must fall into jack contour).
Jack up the vehicle by pumping
(indicated by the arrow) until the wheel
is a maximum of 1.2 in (3 cm) from the
ground.
Removing the wheel
Remove the wheel bolts.
Remove the wheel.
!Do not position the jack on the body of the
vehicle, as this may cause damage to the
vehicle.
Warning!G
The jack is intended only for lifting the
vehicle briefly for wheel changes. It is not
suited for performing maintenance work
under the vehicle.

Never start the engine when the vehicle
is raised.

Never lie down under the raised vehicle.
!Do not place wheel bolts in sand or dirt. This
could result in damage to the bolt and wheel hub
threads.
Warning!G
Make sure no one is injured when removing
the wheel.
Grip wheel from the sides.
Keep hands from beneath the wheel.
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432 Index
Cargo tie-down rings 209
Carpets, Cleaning 321
Catalytic converter 262
CD changer 366
CD playerOperating 143
Center console 30 Front passenger front air bag off indica-tor lamp 335
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 410
Charging Vehicle battery 396 Checking
Coolant level 266, 274
Oil level 266, 269
Checking tire pressure electronically with the Advanced Tire Pressure Monitoring
System (Advanced TPMS) 289
Checklist Off-road driving 254
Child safety 77 Infant and child restraint systems 68, 78
LATCH child seat anchors 82
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 321 Upholstery 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, 372
Windows 192
Closing tilt/sliding sunroof In an emergency 372
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451
Index
Paintwork 316
Power washer 315
Seat belts 321
Side markers 318
Steering wheel 321
Tail lamps 318
Tar stains 315
Turn signals 318
Upholstery 322
Vehicle washing 316
Window cleaning 319
Wiper blades 319
Wood trims 322
Vehicle data recording 20
Vehicle Identification Number (VIN) 410
Vehicle jack 365
Vehicle loading terminology 304
Vehicle maximum load on the tire 307
Vehicle Recovery services, Stolen (Tele Aid) 236
Vehicle status message memory 144 Calling up 144
Clearing 145
Vehicle tool kit 364
Vehicle washing 316
VIN (Vehicle Identification Number) 410 W
Warning indicators
Rear Parking Assist 202
Warning sounds Exterior lighting 65, 104, 117
Maintenance service indicator 313
Parking brake 55
Warranty coverage 409
Washer fluid see Windshield washer fluid
Washing the vehicle 315
Wear pattern (tires) 308
Weights and ratings 419
Wheel change Tightening torque 393
Wheels Tires and wheels 277
Window curtain air bags 74
Windows see Side windows
Windshield Defogging 188
Replacing wiper blades 386
Washer fluid 275, 428
Washer system 428
Windshield defroster 180 Activating 181
Deactivating 181 Windshield washer fluid 428
Message in display 363
Mixing ratio 428
Refilling 275
Wiping with 59
Windshield washer system 428
Windshield wipers 25, 58 Fast wiper speed 58
Intermittent wiping 59
Rear window wiper/washer 60
Replacing wiper blades 386
Single wipe 59
Switching on 58
Wiping with windshield washer fluid 59
Winter driving 309 Block heater (Canada only) 310
Snow chains 310
Tires 309
Winter driving instructions 251
Winter tires 309
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