2005 MERCEDES-BENZ G500 lock

292 Practical hintsWhat to do if …Problem
Possible cause
Suggested solution
?
(USA only)
±
(Canada only)
The yellow engine mal-
function indicator lamp
comes on while driving.
There is a malfunction of:

The fuel management system


The ignition system


The emission control system


Systems which impact emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its limp-home mode. Serious damage can
occur to the emission system.

Have the vehicle checked as soon as possi-
ble by an authorized Mercedes-Benz Light
Truck Center.
An on-board diagnostic connector is used
by the service station to link the vehicle to
the shop diagnostics system. It allows the
accurate identification of system malfunc-
tions through the readout of diagnostic trou-
ble codes. It is located near the hood lock
release on the upper left of footwell.
A loss of pressure has been detected in the
fuel system. The fuel cap may not be closed
properly or the fuel system may be leaky.

Check the fuel cap (
page 235).
If it is not closed properly:

Close the fuel cap.
If it is closed properly:

Have the fuel system checked by an autho-
rized Mercedes-Benz Light Truck Center.
Your fuel tank is empty.

After refueling start, turn off and restart the
engine three or four times in succession.
The limp-home mode is canceled. You do
not need to have your vehicle checked.

293 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
v
The yellow ESP warning lamp
comes on and remains on while
driving.
You engaged the differential locks. The ABS,
ESP, BAS, EBB and 4-ETS are switched off.

The driving systems will switch on
again after the differential locks have
been disengaged.

Also note the messages in the multi-
function display (
page 296).
The ESP is deactivated.
Risk of accident! Adapt your speed and driv-
ing to the prevailing road conditions.

Turn the ESP back on (
page 87).
If the ESP cannot be turned back on, have
the system checked at an authorized
Mercedes-Benz Light Truck Center as
soon as possible.
The ESP is deactivated because of interrupt-
ed power supply. The ABS may still be opera-
tional. The ESP has to be synchronized.

Note the messages in the multifunc-
tion display (
page 296).
The ESP, ABS, BAS, EBB or 4-ETS has detect-
ed a malfunction. All driving systems are
switched off.
Risk of accident! Adapt your speed and driv-
ing to the prevailing road conditions.

Note the messages in the multifunc-
tion display (
page 296).

298 Practical hintsWhat to do if …Text messagesDisplay symbol
Display message
Possible cause
Possible solution
ABS
ABS SYSTEM
VISIT WORKSHOP!
The ABS has detected a malfunction and
has switched off. The ESP, BAS, EBB and
4-ETS are also deactivated.
The brake system is still functioning nor-
mally but without the ABS available.
Wheels will lock during hard braking, re-
ducing steering capability.

Continue driving with added caution.

Have the system checked at an autho-
rized Mercedes-Benz Light Truck
Center as soon as possible.
Failure to follow these instructions in-
creases the risk of accident.
VISIT WORKSHOP!
DISPLAY MALFUNCTION:
The ABS or the ABS display is malfunc-
tioning.
Wheels will lock in hard braking reducing
steering capability.

Continue driving with added caution.

Have the system checked at an autho-
rized Mercedes-Benz Light Truck
Center as soon as possible.
Failure to follow these instructions in-
creases the risk of accident.
BAS
BRAKE ASSIST
VISIT WORKSHOP!
The BAS has detected a malfunction and
switched off.
The brake system is still functioning nor-
mally but without the BAS available.
Wheels will lock in hard braking reducing
steering capability.

Continue driving with added caution.

Have the system checked at an autho-
rized Mercedes-Benz Light Truck
Center as soon as possible.
Failure to follow these instructions in-
creases the risk of accident.

299 Practical hints
What to do if …
Display
Display message
Possible cause
Possible solution
BAS
VISIT WORKSHOP!
DISPLAY MALFUNCTION:
The BAS or the BAS display is malfunc-
tioning.

Continue driving with added caution.

Have the system checked at an autho-
rized Mercedes-Benz Light Truck Center
as soon as possible.
Failure to follow these instructions increas-
es the risk of accident.
DIFFERENTIAL
LOCK
ABS NOT AVAILABLE
DIFFERENTIAL LOCKED
You have engaged the differential locks.

The ABS switches on again after the dif-
ferential locks have been disengaged.
ESP
VISIT WORKSHOP!
DISPLAY MALFUNCTION:
The ESP or the ESP display is malfunc-
tioning.

Continue driving with added caution.

Have the system checked at an autho-
rized Mercedes-Benz Light Truck Center
as soon as possible.
Failure to follow these instructions increas-
es the risk of accident.
ESP
NOT AVAILABLE
The ESP is temporarily unavailable. The
self-diagnosis has not been completed.
The display will clear itself after driving a
short-distance at more than approximately
12 mph (20 km/h).

322 Practical hintsWhere 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 184).

Open cover1.

Open tab2 and remove vehicle
jack3.
Please also observe the safety guidelines
in the “Flat tire” section (
page 346)
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.
iFor CD changer instructions, see sepa-
rate COMAND operator’s manual.

323 Practical hints
Where will I find...?
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 (
page 369) and (
page 371).
Removing cover
1Cover ring
2Key
3Tab

Open lock for cover ring1 with
key2 for the spare wheel cover.

Fold tab3 downwards.
4Cover plate

Pull cover ring1 slightly outwards in
direction of arrows and remove.

Pull cover plate4 upward towards
you.5Catch
6Recess
iWhen replacing cover plate4, make
sure catch5 engages in recess6.
Make sure the lock faces downwards
when mounting cover ring1.
For safety reasons, check regularly that
the spare wheel is securely fastened.

325 Practical hints
Unlocking/locking in an emergency
Unlocking/locking in an emergency
Unlocking the vehicle
If you are unable to unlock the vehicle with
the SmartKey, open the driver’s door and
the tailgate using the mechanical key.
The passenger door cannot be unlocked
manually.
1Mechanical key locking tab
2Mechanical key

Move locking tab1 in direction of ar-
row and slide the mechanical key2
out of the housing.
Unlocking the driver’s door

Unlock the door with the mechanical
key. To do so, push the mechanical key
in the lock until it stops and turn it to
the left.Unlocking the tailgate
If you are unable to unlock the tailgate with
the SmartKey, open the tailgate with the
mechanical key as follows:
1Unlocking in an emergency
2Lock cylinder
3Handle

Insert the mechanical key into lock
cylinder2.

Turn the mechanical key counterclock-
wise to position1 and release it.

Remove the mechanical key.
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.


326 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 99).

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 neces-
sary lock the tailgate with the mechan-
ical key.
Fuel filler flap
The emergency release is in the cargo
compartment behind the rear panel trim.
1Edge protection
2Rear panel trim
Open the tailgate.

Remove edge protection1 from the
door pillar.

Remove rear panel trim2.
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.