2004 MERCEDES-BENZ G500 warning light

271 Practical hints
What to do if …
When the
ADD 1.0 QT. ENG. OIL
-
WHEN
NEXT REFUELLING!
(Canada:
1.0 LITER
)
message appears while the engine is run-
ning and at operating temperature, the en-
gine oil level has dropped to approximately
the minimum level.
When this occurs, the warning will first
come on intermittently and then stay on if
the oil level drops further.Visually check for oil leaks. If no obvious oil
leaks are noted, drive to the nearest ser-
vice station where the engine oil should be
topped to the required level with an ap-
proved oil.
Display symbol
Display message
Possible cause
Possible solution
Ñ
CRUISE CONTROL
DRIVE TO WORKSHOP!
Cruise control is malfunctioning.

Visit an authorized Mercedes-Benz
Light Truck Center.
J
DOOR OPEN!
You are attempting to drive with one or
more doors open.

Close the doors.
e
ENGINE AIR FILTER
VISIT WORKSHOP!
The engine filter is clogged and must be
replaced.

Visit an authorized Mercedes-Benz
Light Truck Center as soon as
possible.
:
USA only:ADD 1.0 Qt. ENGINE OIL
WHEN NEXT REFUELING!Canada only:ADD 1.0 LITER ENG. OIL
WHEN NEXT REFUELING!
The engine oil level is too low.

Add engine oil (
page 231) and check
the engine oil level (
page 229).
!The engine oil level warnings should
not be ignored. Extended driving with
the symbol displayed could result in se-
rious engine damage that is not cov-
ered by the Mercedes-Benz Limited
Warranty.

279 Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
1
RESTRAINT SYSTEM
SERVICE
The system is malfunctioning. The air-
bags or emergency tensioning device
(ETD) could deploy unexpectedly or fail to
activate in an accident.

Drive with added caution to the near-
est authorized Mercedes-Benz Light
Truck Center.
RESTRAINT SYSTEM
DRIVE TO WORKSHOP!
The system is malfunctioning. The air-
bags or emergency tensioning device
(ETD) could deploy unexpectedly or fail to
activate in an accident.

Drive with added caution to the near-
est authorized Mercedes-Benz Light
Truck Center.
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 visit an authorized Mercedes-Benz
Light Truck Center immediately to have the
system checked.
Otherwise the SRS may not be activated
when needed in an accident, which could re-
sult in serious or fatal injury, or it might de-
ploy unexpectedly and unnecessarily which
could also result in injury.

280 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
<
SEAT BELT SYSTEM
DRIVE TO WORKSHOP!
The seat belt system is malfunctioning.

Visit an authorized Mercedes-Benz
Light Truck Center as soon as possi-
ble.
DRIVER’S SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your passen-
gers to fasten seat belts.

Fasten the seat belts.
FR. PASS. SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your passen-
gers to fasten seat belts.

Fasten the seat belts.
§
TC IN NEUTRAL
No gear has been selected in the transfer
case, it is in NEUTRAL.

Engage transfer case to gear position
HIGH or LOW (
page 145).
Warning!
G
If the transfer case is in NEUTRAL, the
Pposition of transmission will not hold vehi-
cle. The parking brake must be applied to
hold vehicle in place.

288 Practical hintsUnlocking/locking in an emergency
Press lock cylinder2 and pull on tail-
gate handle3.

Open the tailgate to the side.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, lock it with the mechanical
key as follows:
Close the passenger doors and the tail-
gate.

Press the central locking switch in the
cockpit (
page 92).

Check to see whether the locking
knobs on the passenger doors are still
visible. If necessary, push them down
manually.

Slide the mechanical key2 out of the
SmartKey.

Lock the driver’s door with the me-
chanical key.

Check if the tailgate is locked. If nec-
cessary lock the tailgate with the me-
chanical key.
Changing batteries in the SmartKey
If the batteries in the SmartKey are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Light Truck Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
Warning!
G
The tailgate swings open to one side. Always
make sure there is sufficient clearance for
tailgate.iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:

Press button Œ or ‹ on the
SmartKey.


Insert the SmartKey in the starter
switch.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.


293 Practical hints
Brush guard*
Brush guard*
Warning!
G
The brush guard is designed solely to en-
hance the appearance of the vehicle and
help protect grille and head lights from mi-
nor mishaps, either on- or off-road. Since
the safety characteristics are limited in the
event of an accident, brush guards are not
intended to prevent injury or damage in the
event of an accident. Also check state and
local regulations on installation and use.
Raise and lower brush guard in an open
space with plenty of room.
To help prevent personal injury when open-
ing or closing the brush guard, use extreme
caution not to trap hands or feet.
The brush guard must be in raised and
locked position while driving.
iOnly lower brush guard to clean head
lamps or to replace bulbs.

296 Practical hintsReplacing bulbsRear lamps Notes on bulb replacement


Use only 12 volt bulbs of the same type
and with the specified watt rating.


Switch lights off before changing a bulb
to prevent short circuits.


Always use a clean lint-free cloth when
handling bulbs.


Your hands should be dry and free of oil
and grease.


If the newly installed bulb does not
come on, visit an authorized
Mercedes-Benz Light Truck Center.


Have the LEDs for the following lamps
replaced by an authorized
Mercedes-Benz Light Truck Center.

The additional turn signals in the ex-
terior rear view mirrors


The high mounted brake lamp
Lamp
Type
6
High mounted brake
lamp
LED
7
Turn signal lamp
PY 21 W
Brake lamp
P 21 W
Tail, parking and
standing lamp
R 5 W
8
Backup lamp
P 21 W
9
License plate lamps
C 5 W
a
Rear fog lamp
P 21 W
b
Side marker lamp
T 4 W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Halogen lamps contain pressurized gas. A
bulb can explode if you:

touch or move it when hot


drop the bulb


scratch the bulb
Wear eye and hand protection.
iHave the headlamp settings checked
regularly by a Mercedes-Benz Light
Truck Center.
Do not turn the headlamp adjusting
screws. If the adjusting screws are
turned, the headlamp setting must be
checked by a Mercedes-Benz Light
Truck Center.

304 Practical hintsReplacing wiper blades
Replacing wiper blades
Removing wiper blades
Fold the wiper arm forward.
1Safety tab
2Wiper blade
3Wiper arm
4Attachment link

Turn wiper blade2 at a right angle to
wiper arm3.

Press safety tab1 of attachment
link4 down and slide wiper blade2
from the end of wiper arm3.

Remove wiper blade2.
Warning!
G
For safety reasons, remove SmartKey from
starter switch before replacing a wiper
blade. Otherwise the motor could suddenly
turn on and cause injury.!Never open the hood when the wiper
arm is folded forward.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Do not allow the wiper arms to contact
the windshield glass without a wiper
blade inserted.
Make certain that the wiper blades are
properly installed. Improperly installed
wiper blades may cause windshield
damage.
The wiper with air spoiler should be
mounted on the driver’s side
For your convenience, we recommend
that you have this work carried out by
an authorized Mercedes-Benz Light
Truck Center.

306 Practical hintsFlat tire
Flat tirePreparing the vehicle
Park the vehicle as far as possible from
moving traffic on a hard surface.

Turn on the hazard warning flashers.

Engage the steering wheel lock in the
straight ahead position and set the
parking brake.

Move the gear selector lever toP.

Have any passenger exit the vehicle at
a safe distance from the roadway.

Remove the vehicle tool kit
(page 283) and the jack
(page 284).

Remove the spare wheel from the
spare wheel mounting bracket
(page 285).Information on spare wheel
When you replace the vehicle’s tires, you
can use the spare wheel as a regular wheel
if:


it is not more than six years old


rim and tire are the same model as the
regular wheels
Warning!
G
For your safety, remove spare wheel from
the spare wheel mounting bracket before
undertaking any further steps.
Warning!
G
If the spare tire is more than six years old or
is not the same model as the regular tires,
have the spare tire replaced with a new tire
at the nearest Mercedes-Benz Light Truck
Center.
Never operate the vehicle with more than
one spare tire.
Warning!
G
G 55 AMG only
Vehicles with different tire dimensions on
the front and rear axle: rim and tire size of
spare wheel and normal wheel differ. Han-
dling will be adversely affected when the
spare wheel is used.
Do not exceed the maximum speed of
50 mph (80 km/h).