Page 259 of 360
259 Practical hints
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I
AUTOM. LIGHT ON
REMOVE KEY!
You have forgotten to remove the
key.
Remove the key from the
starter switch.
1
REPLACE KEY
VISIT WORKSHOP!
No additional code available for
SmartKey.
Visit an authorized
Mercedes-Benz Light Truck
Center.
2
.
3RD BRAKE LAMP
CHECK LAMP!
The high mounted brake lamp is mal-
functioning. This message will only
appear if all light emitting diodes
have stopped working.
Visit an authorized
Mercedes-Benz Center as
soon as possible.
2
ADD. TURN SIG LAMP, LH
CHECK LAMP!
The left turn signal in the side mirror
is malfunctioning. This message will
only appear if all light emitting
diodes have stopped working.
Have the LEDs replaced as
soon as possible.
2
ADD. TURN SIG LAMP, RH
CHECK LAMP!
The right turn signal in the side mir-
ror is malfunctioning. This message
will only appear if all light emitting
diodes have stopped working.
Have the LEDs replaced as
soon as possible.
2
AUTOM. LIGHT ON
REMOVE KEY!
You have left the key in the starter
switch.
Remove key from the starter
switch.
1
Page 260 of 360
260 Practical hintsWhat to do if …Display
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.
BRAKE LAMP
VISIT WORKSHOP!
Brake lamp illumination is delayed or
lamp is permanently on.
Visit an authorized
Mercedes-Benz Light Truck
Center as soon as possible.
2
BRAKE LAMP, L
CHECK LAMP!
The left brake lamp is malfunction-
ing.
Visit an authorized
Mercedes-Benz Center as
soon as possible.
2
BRAKE LAMP, R
CHECK LAMP!
The right brake lamp is malfunction-
ing.
Visit an authorized
Mercedes-Benz Center as
soon as possible.
2
DISPLAY DEFECTIVE
VISIT WORKSHOP!
The display for the lamps or the sys-
tem is malfunctioning.
Visit an authorized
Mercedes-Benz Light Truck
Center as soon as possible.
2
FRONT FOGLAMP, L
CHECK LAMP!
The left front fog lamp is malfunc-
tioning.
Replace the bulb as soon as
possible.
2
FRONT FOGLAMP, R
CHECK LAMP!
The right front fog lamp is malfunc-
tioning.
Replace the bulb as soon as
possible.
2
HIGH BEAM, L
CHECK LAMP!
The left high beam lamp is malfunc-
tioning.
Replace the bulb as soon as
possible.
2
HIGH BEAM, R
CHECK LAMP!
The right high beam lamp is malfunc-
tioning.
Replace the bulb as soon as
possible.
2
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261 Practical hints
What to do if …
.
LAMP SENSOR
VISIT WORKSHOP!
The lamp sensor is malfunctioning.
The headlamps switch on automati-
cally.
In the control system, set lamp
operation to manual
(page 124).
Switch on headlamps using
the exterior lamp switch
(page 100).
2
LEFT FRT. PARK LAMP
CHECK LAMP!
SUBSTITUTE LAMP ON!
The left parking lamps are malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as
possible.
2
LICENSE PLATE, L
CHECK LAMP!
The left licence plate lamp is mal-
functioning.
Replace the bulb as soon as
possible.
2
LICENSE PLATE, R
CHECK LAMP!
The right licence plate lamp is mal-
functioning.
Replace the bulb as soon as
possible.
2
LIGHTS
SWITCH OFF LAMPS!
The display appears if the driver’s
door is opened with the engine shut
off and no key in the starter switch.
Insert key in the starter switch.
Switch off lights (
page 100).
1
LOW BEAM, L
CHECK LAMP!
The left low beam lamp is malfunc-
tioning.
Visit an authorized
Mercedes-Benz Light Truck
Center as soon as possible.
2
LOW BEAM, R
CHECK LAMP!
The right low beam lamp is malfunc-
tioning.
Visit an authorized
Mercedes-Benz Light Truck
Center as soon as possible.
2
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Page 262 of 360
262 Practical hintsWhat to do if …Display
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.
REAR FOGLAMP
CHECK LAMP!
The rear fog lamp is malfunctioning.
Replace the bulb as soon as
possible.
2
REAR FOGLAMP
TURN OFF
SUBSTITUTE LAMP ON!
A lamp is malfunctioning. A backup
bulb is being used.
Turn the rear fog lamp off.
2
REVERSE LAMP
CHECK LAMP!
The backup lamp is malfunctioning.
Replace the bulb as soon as
possible.
2
RIGHT FRT. PARK LAMP
CHECK LAMP!
SUBSTITUTE LAMP ON!
The right parking lamps are malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as
possible.
2
SIDE MARKER LAMP, LF
CHECK LAMP!
The left front side marker lamp is
malfunctioning.
Replace the bulb as soon as
possible.
2
SIDE MARKER LAMP, RF
CHECK LAMP!
The right front side marker lamp is
malfunctioning.
Replace the bulb as soon as
possible.
2
TAIL LIGHT, L
CHECK LAMP!
SUBSTITUTE LAMP ON!
The left tail lamp is malfunctioning. A
backup bulb is being used.
Replace the bulb as soon as
possible.
2
TAIL LIGHT, R
CHECK LAMP!
SUBSTITUTE LAMP ON!
The right tail lamp is malfunctioning.
A backup bulb is being used.
Replace the bulb as soon as
possible.
2
Page 264 of 360
264 Practical hintsWhat to do if …Display
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1
RESTRAINT SYSTEM
VISIT WORKSHOP!
The system is malfunctioning. The
airbags or emergency tensioning de-
vice (ETDs) could deploy unexpect-
edly or fail to activate in an accident.
Drive with added caution to
the nearest authorized Mer-
cedes-Benz Light Truck Cen-
ter.
1
RESTRAINT SYSTEM
SERVICE
The system is malfunctioning. The
airbags or emergency tensioning de-
vice (ETDs) could deploy unexpect-
edly or fail to activate in an accident.
Drive with added caution to
the nearest authorized Mer-
cedes-Benz Light Truck Cen-
ter.
2
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.
Page 265 of 360
265 Practical hints
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<
SEAT BELT SYSTEM
VISIT WORKSHOP!
The seat belt system is malfunction-
ing.
Visit an authorized
Mercedes-Benz Light Truck
Center as soon as possible.
1
FRT. PASS. SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your
passengers to fasten seat belts.
Fasten the seat belts.
2
DRIVER’S SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your
passengers to fasten seat belts.
Fasten the seat belts.
2
§
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 141).
3
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.
Page 266 of 360
266 Practical hintsWhat to do if …Display
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§
TC SHIFT
CANCELLED
The shift process in the transfer
case was cancelled because of a
malfunction.
Repeat the shift process
(page 141).
2
§
TC SHIFT CONDITIONS
NOT FULFILLED
You have not met the shift condi-
tions for a selection process in the
transfer case.
Repeat the shift process
(page 141).
2
§
TRANSFER CASE
VISIT WORKSHOP!
The transfer case is malfunctioning.
Do not switch the transfer
case on.
Visit an authorized
Mercedes-Benz Light Truck
Center as soon as possible.
2
L
TELE AID
VISIT WORKSHOP!
One or more main functions of the
Tele Aid system are malfunctioning.
Have the Tele Aid system
checked by an authorized Mer-
cedes-Benz Light Truck Cen-
ter.
1
Ê
TRUNK OPEN!
This message will appear whenever
the tailgate is open.
Close the tailgate.
2
#
UNDERVOLTAGE
ENGINE ON!
The battery has insufficient voltage.
Start the engine.
1
UNDERVOLTAGE
SWITCH CONSUMER OFF!
The battery has insufficient voltage.
Have the battery checked at a
service station.
1
Page 267 of 360
267 Practical hints
What to do if …
G
VISIT WORKSHOP!
DISPLAY FAULTY
The instrument cluster display is
malfunctioning.
Some systems themselves may also
have failed.
Continue driving with added
caution.
Visit an authorized Mer-
cedes-Benz Light Truck Center
as soon as possible.
2
±
VISIT WORKSHOP!
DISPLAY FAULTY
Certain electronic systems are un-
able to relay information to the con-
trol system. The following systems
may have failed:
Coolant temperature display
Tachometer
Cruise control display
Have the electronic systems
checked by an authorized
Mercedes-Benz Light Truck
Center.
2
W
WASHER FLUID
CHECK LEVEL!
The fluid level has dropped to about 1/3 of total reservoir capacity.
Add washer fluid
(page 321).
3
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