MERCEDES-BENZ G500 2008 W463 Owner's Manual

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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361
Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
§Transfer
case
Visit
workshopThe transfer case is malfunctioning.Do not switch the transfer case on.
Contact an authoriz
ed Mercedes-Benz
Light Truck Center as soon as
possible.
TC
shift
procedure
canceledThe shift process in the transfer case was
canceled because of a malfunction.Repeat the shift process (page 170).
TC
shift
conditions
not fulfilledYou have not met the shift conditions for
a selection process in the transfer case.Repeat the shift process (page 170).
TC
in neutralNo gear has been selected in the transfer
case, it is in NEUTRAL.Engage transfer case to gear position
HIGH or LOW (
page 170).
Warning!G
If the transfer case is in NEUTRAL,
the Pposition of the transmission will not
hold the vehicle. The parking brake must be
applied to hold vehicle in place.
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362 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
LTele Aid
inoperativeOne or more main functions of the
Tele Aid system are malfunctioning.Have the Tele Aid system checked at an
authorized Mercedes-Benz Light Truck
Center.
tFunction
unavailableThis message appears if buttont
or s on the multifunction steering
wheel is pressed and the vehicle is not
equipped with a telephone*.
ÊThis message will appear whenever the
tailgate is open.Close the tailgate.
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363
Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
±Certain electronic systems are unable to
relay information to the control system.
The following systems may have failed:

Coolant temperature display

Tachometer

Cruise control display
Have the electronic systems checked
at an authorized
Mercedes-Benz Light
Truck Center.
[Clean
fuel filterContact an authoriz ed Mercedes-Benz
Light Truck Center as soon as possi-
ble.
WTop up
washer fluidThe fluid level has dropped to
about1/3of total reservoir capacity.
Add washer fluid (page 275).
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364 Practical hints
Where will I find...?
First aid kit
The first aid kit is stored in the storage
pocket in the front passenger door.1 First aid kitVehicle tool kit
The vehicle tool kit is stored in a storage
compartment in the rear footwell.
The following is included:

Wheel wrench

Pump handle for vehicle jack

Key for opening/closing the tilt/sliding
sunroof in an emergency

Screwdriver

Fuse extractor 1
Cover
2 TabFold cover 1 to the side.
Pull vehicle tool kit out of the compart-
ment using tab 2.
iCheck expiration dates and contents for
completeness at least once a year and replace
missing/expired items.
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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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367
Practical hints
Where will I find...?
4
Cover plate
5 Recess
6 Catch Removing the spare wheel
1 Mounting screws
Unscrew mounting screws 1.
Remove the spare wheel.
For more information on changing the
wheel, see “Flat tire” (
page 388).
iWhen replacing cover plate4, make sure
catch 6 engages in recess 5.
Make sure tab 2 faces downwards when
mounting cover ring 3.
For safety reasons, ch eck regularly that the
spare wheel is securely fastened.
Warning!G
Make sure no one is injured when removing
the spare wheel.
Grip wheel from the sides.
Keep hands from beneath the wheel.
iAfter changing the wheel, secure the
damaged wheel on the spare wheel carrier.
Make sure the wheel cannot come loose.
Cover the wheel with the cover plate.
Repair or replace damaged tire as soon as
possible and return spare tire as original spare.
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368 Practical hints
Unlocking/locking in an emergency
Unlocking the vehicle
If you cannot unlock the vehicle with the
SmartKey, open the driver’s door and the
tailgate using the mechanical key.Removing the mechanical key
1 Mechanical key locking tab
2 Mechanical key
Move locking tab 1 in direction of
arrow.
Slide the mechanical key 2 out of the
housing. Unlocking the driver’s door
Insert the mechanical key into the
driver’s door lock cy
linder until it stops.
Turn the mechanical key counterclock-
wise until the locking knob moves up.
The driver’s door is unlocked.
Remove the mechanical key.
Press lock cylinder and pull on door
handle to open the driver’s door.
iUnlocking the driver’s door and the tailgate
with the mechanical key will trigger the anti-theft
alarm system.
To cancel the alarm:

Press button Œ or‹ on the
SmartKey.

Insert the SmartKey in the starter switch.
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369
Practical hints
Unlocking/locking in an emergency
Unlocking the tailgateInsert the mechanical key into lock
cylinder
2.
Turn the mechanical key counterclock-
wise to position 1 and release it.
Remove the mechanical key.
Press lock cylinder 2 and pull on door
handle 3 to open the tailgate.
Locking the vehicle
If you cannot lock the vehicle with the
SmartKey, lock the vehicle with the
mechanical key carrying out the following
steps:
Close the front passenger door, the
rear doors and the tailgate.
Open the driver’s door.
Press the central locking switch in the
center console (
page 107).
The locking knobs on the front
passenger door, the rear doors and the
tailgate move down.
If the vehicle battery is disconnected or
drained:
Press down the locking knobs on
the front passenger door, the rear
doors and the tailgate manually.
Exit the vehicle.
1Unlocking in an emergency
2Lock cylinder
3Door handle
Warning!G
The tailgate swings open to one side. Always
make sure there is sufficient clearance for
tailgate.

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