2006 MERCEDES-BENZ G500 brake

305 Practical hints
What to do if …
Display symbolDisplay messagePossible causePossible solution
#UNDERVOLTAGE
SWITCH CONSUMERS OFF!The battery has insufficient voltage.Have the battery checked at a ser-
vice station.
2BRAKE 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 message BRAKE FLUID
VISIT WORKSHOP
displayed can result in an
accident. Have your brake system 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 Maintenance
Booklet.

306 Practical hints
What to do if …
Display symbolDisplay messagePossible causePossible solution
3ELEC. 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 50).

314 Practical hints
What to do if …
Display symbolDisplay messagePossible causePossible solution
. 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
Light Truck 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
possible.
BRAKE LIGHT, L
CHECK LIGHT!

The left brake lamp is malfunctioning.Visit an authorized Mercedes-Benz
Light Truck Center as soon as
possible.

315 Practical hints
What to do if …
Display symbolDisplay messagePossible causePossible solution
. BRAKE LIGHT, R
CHECK LIGHT!

The right brake lamp is malfunctioning.Visit an authorized Mercedes-Benz
Light Truck 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.

320 Practical hints
What to do if …
Display symbolDisplay messagePossible causePossible solution
DRIVE TO WORKSHOP!The seat belt system is malfunctioning.Visit an authorized Mercedes-Benz
Light Truck Center as soon as
possible.
§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 157).
Warning!G
If the transfer case is in NEUTRAL, the
Pposition of the transmission will not hold
the vehicle. The parking brake must be ap-
plied to hold vehicle in place.

324 Practical hints
Where will I find...?
Vehicle jack
The vehicle jack is under the rear bench
seat on the passenger side.
1Cover
2Tab
3Vehicle jack
Fold the rear bench seat forward
(
page 189).
Open cover1.
Open tab2 and remove vehicle
jack3.
Please also observe the safety guidelines
in the “Flat tire” section (
page 348)
when using the jack.
CD changer
The CD changer is located on the left side
of the cargo compartment.
CD changer
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 sup-
ported 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, es-
pecially on hills. Always try to use the jack
on level surface. Make sure the jack is posi-
tioned correctly under the axle housing. Al-
ways lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.
i
For CD changer instructions, see sepa-
rate COMAND operator’s manual.

336 Practical hints
Replacing bulbs
Bulbs Front lamps Rear lamps
LampType
1Additional turn
signal lampLED
2Turn signal lamp1156 NA
3Side marker lampT 4 W
4High and low beamH4 60 (55 W)
Parking and
standing lampT 4 W
5Fog lampH3 (55 W)
LampType
6High mounted brake
lampLED
7Turn signal lampPY 21 W
Brake lampP 21 W
Tail, parking and
standing lampR 5 W
8Backup lampP 21 W
9License plate lampsC 5 W
aRear fog lampP 21 W
bSide marker lampT 4 W

337 Practical hints
Replacing bulbs
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 re-
placed by an authorized Mercedes-Benz
Light Truck Center.

Additional turn signals in the exterior
rear view mirrors

High mounted brake lamp

Lamps in the exterior rear view mirrors
Warning!G
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Keep bulbs out of reach of children.
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.
i
Have the headlamp adjustment
checked regularly by a Mercedes-Benz
Light Truck Center.
Do not turn the headlamp adjusting
screws. If the adjusting screws are
turned, the headlamp adjustment must
be checked by a Mercedes-Benz Light
Truck Center.