2007 MERCEDES-BENZ G55AMG warning

352 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
:Engine oil
level
Stop, turn
engine offThere is no oil in the engine. There is
a danger of engine damage.Stop the vehicle in a safe location or as soon as
it is safe to do so.
Turn off the engine.
Add engine oil (page 273) and check the
engine oil level (
page 270).
Engine oil
level
Visit
workshopThe engine oil has dropped to a
critical level.Check the engine oil level (page 270) and add
engine oil as required (
page 273).
If you must add engine oil frequently, have the
engine checked for possible leaks.
You have added too much engine oil.
There is a risk of damaging the engine
and/or the catalytic converter.Have excess oil siphoned or drained off.
Observe all legal requirements with respect to
its disposal.
It may be that there is water in the
engine oil.Have the engine oil checked at an authorized
Mercedes-Benz Light Truck Center.
The measuring system is malfunction-
ing.Have the measuring system checked at an
authorized Mercedes-Benz Light Truck Center.
!The engine oil level warnings should not be
ignored. Extended driving with the symbol
displayed could result in serious engine damage
that is not covered by the Mercedes-Benz
Limited Warranty.

360 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
1Restraint
system
Service
Visit
workshopThere is a malfunction in the restraint sys-
tems. The air bags or Emergency Tensioning
Devices (ETDs) might deploy unexpectedly or
may not deploy in an accident.Drive with added caution to the
nearest authorized Mercedes-Benz
Light Truck Center and have the
system checked.
Restraint
system
malfunction
Visit
workshopThere is a malfunction in the restraint sys-
tems. The air bags or Emergency Tensioning
Devices (ETDs) might deploy unexpectedly or
may not deploy in an accident.Drive with added caution to the
nearest authorized Mercedes-Benz
Light Truck Center and have the
system checked.
Warning!G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you contact an authorized
Mercedes-Benz Light Truck Center
immediately to have the system checked;
otherwise the SRS may not deploy when
needed in an accident, which could result in
serious or fatal injury, or it might deploy
unexpectedly and unnecessarily which
could also result in an accident and/or
injury to you or to others.

361 Practical hints
What to do if …
Display symbolDisplay messagesPossible cause/consequencePossible solution
HCaution
Tire defectOne or more tires are deflating.
The respective tire is shown in the
multifunction display.Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
If necessary, change the wheel (page 391).
Check
tiresThe tire pressure in one or more tires
is already below the minimum value.
The respective tire is shown in the
multifunction display.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 391).
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.

362 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 391).
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 391).
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.

363 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 authorized 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,
thePposition of the transmission will not
hold the vehicle. The parking brake must be
applied to hold vehicle in place.

367 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.
1Cover
2Tab
3Vehicle jack
Fold the rear bench seat forward
(
page 207).
Open cover1.
Open tab2 and remove vehicle
jack3 from the compartment.Observe the safety guidelines in the “Flat
tire” section (
page 390) 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 injury, 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 parking 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 housing. 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).

369 Practical hints
Where will I find...?
3Cover plate
4Recess
5CatchRemoving the spare wheel
1Mounting screws
Unscrew mounting screws1.
Remove the spare wheel.
For more information on changing the
wheel, see “Flat tire” (
page 390).
iWhen replacing cover plate3, make sure
catch5 engages in recess4.
Make sure tab1 faces downwards when
mounting cover ring2.
For safety reasons, check 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.

371 Practical hints
Unlocking/locking in an emergency
Unlocking the tailgateInsert the mechanical key into lock
cylinder2.
Turn the mechanical key counterclock-
wise to position1 and release it.
Remove the mechanical key.
Press lock cylinder2 and pull on door
handle3 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.