2004 MERCEDES-BENZ G55AMG brake light

266 Practical hintsWhat to do if …Display symbol
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Possible cause
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#
UNDERVOLTAGE
SWITCH CONSUMERS OFF!
The battery has insufficient voltage.

Have the battery checked at a ser-
vice station.
2
BRAKE WEAR
VISIT WORKSHOP!
The brake pads have reached their
wear limit.

Have the brake pads replaced as
soon as possible.
3
BRAKE FLUID
VISIT WORKSHOP!
There is insufficient brake fluid in the
reservoir.

Risk of accident! Stop the vehicle
and notify an authorized
Mercedes-Benz Light Truck Center.
Do not add brake fluid! This will not
solve the problem.
Warning!
G
Driving with the last message displayed can
result in an accident. Have your brake sys-
tem checked immediately.
Do not add brake fluid before checking the
brake system. Overfilling the brake fluid res-
ervoir can result in spilling brake fluid on hot
engine parts and the brake fluid catching
fire. You can be seriously burned.
!If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks. !Brake pad thickness must be visually
checked by a qualified technician at the
intervals specified in the Service book-
let.

267 Practical hints
What to do if …
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3
ELEC. BRAKE BOOST.
VISIT WORKSHOP!
The EBB has detected a malfunction and
has switched off.
The brake system is still functioning nor-
mally but without the EBB available.

Continue driving with added cau-
tion.

Have the system checked at an au-
thorized Mercedes-Benz Light Truck
Center as soon as possible.
Failure to follow these instructions in-
creases the risk of accident.
;
(USA only)
!
(Canada only)
PARK. BRAKE
RELEASE BRAKE!
You are driving with the parking brake
set.

Release the parking brake
(page 44).

274 Practical hintsWhat to do if …Display symbol
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.
3RD BRAKE LIGHT
CHECK LIGHT!

The high mounted brake lamp is malfunc-
tioning. This message will only appear if
all light emitting diodes have stopped
working.

Visit an authorized Mercedes-Benz
Center as soon as possible.
ADD. TURN SIG., L
CHECK LIGHT!
The left turn signal in the exterior rear
view mirror is malfunctioning. This mes-
sage will only appear if all light emitting
diodes have stopped working.

Have the LEDs replaced as soon as
possible.
ADD. TURN SIG., R
CHECK LIGHT!
The right turn signal in the exterior rear
view mirror is malfunctioning. This mes-
sage will only appear if all light emitting
diodes have stopped working.

Have the LEDs replaced as soon as
possible.
AUTOM. LIGHT ON
REMOVE KEY!
You have left the SmartKey in the starter
switch.

Remove the SmartKey from the starter
switch.
BRAKE LIGHT
DRIVE TO WORKSHOP!
Brake lamp illumination is delayed or
lamp is permanently on.

Visit an authorized Mercedes-Benz
Light Truck Center as soon as possi-
ble.
BRAKE LIGHT, L
CHECK LIGHT!

The left brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.

275 Practical hints
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.
BRAKE LIGHT, R
CHECK LIGHT!

The right brake lamp is malfunctioning.

Visit an authorized Mercedes-Benz
Center as soon as possible.
FRONT FOGLIGHT, L
CHECK LIGHT!

The left front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
FRONT FOGLIGHT, R
CHECK LIGHT!

The right front fog lamp is malfunctioning.

Replace the bulb as soon as possible.
FR. L. PARK. LAMP
CHECK LIGHT!

BACK-UP LIGHT ON!

The left parking lamps are malfunction-
ing. A backup bulb is being used.

Replace the bulb as soon as possible.
FR. R. PARK LAMP
CHECK LIGHT!
BACK-UP LIGHT ON!
The right parking lamps are malfunction-
ing. A backup bulb is being used.

Replace the bulb as soon as possible.
HIGH BEAM, L
CHECK LIGHT!

The left high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible.
HIGH BEAM, R
CHECK LIGHT!

The right high beam lamp is malfunction-
ing.

Replace the bulb as soon as possible.

280 Practical hintsWhat to do if …Display symbol
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<
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.

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.

302 Practical hintsReplacing bulbs3Bulb for turn signal lamp
4Bulb for tail lamp
5Bulb for brake lamp
Push defective bulb3, 4 or5 into
socket, turn counterclockwise and re-
move.

Insert new bulb in socket, push in and
turn clockwise until it clicks in.

Reinstall lens2 and screw in securing
screws1.Rear fog lamp/Backup lamp
1Securing screw
2Lens

Switch off the lights.

Unscrew securing screws1.

Remove lens2.3Bulb

Push bulb3 into socket, turn counter-
clockwise and remove.

Insert new bulb in socket, push in and
turn clockwise until it clicks in.

Reinstall lens2 and screw in securing
screws1.
iDo not overtighten securing screws1.
Otherwise lens2 could be damaged.
iDo not overtighten securing screws1.
Otherwise lens2 could be damaged.

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!
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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).