Page 280 of 385
277 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index BRAKE PAD WEAR
* C = Category, see page 272When this message appears during braking, it indicates
that the brake pads are worn down.
Have the brake system checked at your authorized
Mercedes-Benz Light Truck Center as soon as possible.BRAKE FLUID
* C = Category, see page 272 Line 1 Line 2 C*
BRAKE PAD WEAR VISIT WORKSHOP! 2Line 1 Line 2 C*
BRAKE FLUID VISIT WORKSHOP! 2Wa r n i n g !
Driving with this message 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 reservoir can result in spilling brake fluid on
hot engine parts and the brake fluid catching fire.
You can be seriously burned.
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280 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
COOLANT (coolant level)
* C = Category, see page 272When this message appears while driving, the coolant
level has dropped below the required level. If no leaks
are noticeable and the engine temperature does not
increase, continue to drive to the nearest service station
and have coolant added to the coolant system.The low engine coolant level warning should not be
ignored. Extended driving with the symbol displayed
may cause serious engine damage not covered by the
Mercedes-Benz Limited Warranty.
In cases of major or frequent minor coolant loss, have
the cooling system checked at your authorized
Mercedes-Benz Light Truck Center as soon as possible.
Note:
Do not drive without coolant in the cooling system. The
engine will overheat causing major engine damage.
Monitor the coolant temperature gauge while driving,
see page 123.
See page 306 for instructions on topping up the coolant.Line 1 Line 2 C*
COOLANT CHECK LEVEL! 2
Wa r n i n g !
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which may
burn if it comes into contact with hot engine parts.
You can be seriously burned.
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Page 286 of 385
283 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index LIGHTING SYSTEM
Line 1 Line 2 C*
3RD BRAKE LAMP
3
CHECK LAMPS! 2
ADD. TURN SIG LAMP, RH CHECK LAMPS! 2
ADD. TURN SIG LAMP, LH CHECK LAMPS! 2
AUTOM. LIGHT ON REMOVE KEY! 1
BRAKE LAMP
2
VISIT WORKSHOP! 2
BRAKE LAMP, L CHECK LAMPS! 2
BRAKE LAMP, R CHECK LAMPS! 2
LOW BEAM, L CHECK LAMPS! 2
LOW BEAM, R CHECK LAMPS! 2
VISIT WORKSHOP!
1
DISPLAY DEFECTIVE 2
FRONT FOGLAMP, L CHECK LAMPS! 2
FRONT FOGLAMP, R CHECK LAMPS! 2
HIGH BEAM, L CHECK LAMPS! 2
HIGH BEAM, R CHECK LAMPS! 2
LICENSE PLATE, L CHECK LAMPS! 2
LICENSE PLATE, R CHECK LAMPS! 2
LIGHTS SWITCH OFF LAMPS! 1
LEFT FRT. PARK LAMP CHECK LAMPS
SUBSTITUTE LAMP ON!
4
1
RIGHT FRT. PARK LAMP CHECK LAMPS
SUBSTITUTE LAMP ON!
4
1
TURN SIGNAL F, L CHECK LAMPS
SUBSTITUTE LAMP ON!
4
2 Line 1 Line 2 C*
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284 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
In t he c as e of bulb failur es in ce rtain lamp s, ot her lamps
will substitute. See page 328 for instructions on
replacing bulbs.
* C = Category, see page 272
LH: Left Hand; RH: Right Hand
F, L: Front, Left; F, R: Front, Right
R, L: Rear, Left; R, R: Rear, Right
FRT: Front
1 The display or the system is malfunctioning.
2 The brake lamps are switching on after a delay or are permanently
on – visit workshop immediately.
3 The brake lamp comprises several light emitting diodes. The
warning message will only appear if all light emitting diodes have
stopped working.
4 Other bulbs will be brought into use as replacements when certain
lamps blow. TURN SIGNAL F, R CHECK LAMPS
SUBSTITUTE LAMP ON!
4
2
TURN SIGNAL R, L CHECK LAMPS
SUBSTITUTE LAMP ON!
4
2
TURN SIGNAL R, R CHECK LAMPS
SUBSTITUTE LAMP ON!
4
2
REAR FOGLAMP CHECK LAMPS! 2
REAR FOGLAMP TURN OFF
SUBSTITUTE LAMP ON!
4
2
REVERSE LAMP CHECK LAMPS! 2
SIDE MARKER LAMP, LF CHECK LAMPS! 2
SIDE MARKER LAMP, RF CHECK LAMPS!
TAIL LAMP, L CHECK LAMP!
SUBSTITUTE LAMP ON!
4
2
TAIL LAMP, R CHECK LAMP!
SUBSTITUTE LAMP ON!
4
2 Line 1 Line 2 C*
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285 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index LAMP SENSOR
* C = Category, see page 272The headlamps will be switched on automatically if the
light sensor malfunctions.
The individual setting menu “LIGHTING”, “LIGHT
CIRCUIT HEADLAMP MODE” can be set to “MANUAL”.
See page 114. It will then be possible to switch the
headlamps on and off using the exterior lamp switch.
See page 129 for notes on the exterior lamp switch. DOOR
* C = Category, see page 272. Line 1 Line 2 C*
LAMP SENSOR VISIT WORKSHOP! 2Line 1 Line 2 C*
DOOR OPEN! 1
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289 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index RESTRAINT SYSTEM
* C = Category, see page 272.See page 56 for notes on the seat belts, and page 66 for
notes on the airbags.KEY
* C = Category, see page 272.
1 Key needs possibly to be replaced. Line 1 Line 2 C*
RESTRAINT SYSTEM VISIT WORKSHOP! 1
RESTRAINT SYSTEM SERVICELine 1 Line 2 C*
REPLACE KEY
1
VISIT WORKSHOP! 2
AUTOM. LIGHT ON REMOVE KEY! 1
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Page 296 of 385
293 Malfunction and warning messages
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index TC IN NEUTRAL
* C = Category, see page 272.No gear has been selected in the transfer case, it is in
“NEUTRAL”. Engage transfer case to gear position
“HIGH” or “LOW”, see page 248 for switching the
transfer case.TRANSFER CASE
* C = Category, see page 272.There is a malfunction in the transfer case. Have the
transfer case checked immediately by a Mercedes-Benz
Light Truck Center.
Line 1 Line 2 C*
TC IN NEUTRAL 3Wa r n i n g !
If TC is in neutral, the “P” position of transmission
will not hold vehicle. The parking brake must be
applied to hold vehicle in place.
Line 1 Line 2 C*
TRANSFER CASE VISIT WORKSHOP 2
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322 Jump starting
Te ch n i c a l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Jump startin g term in als ar e located in t he lef t s id e of t he
engine compartment.
1Cover
2Positive (+) terminal (located under cover)
3Negative (-) terminalProceed as follows:
1. Position the vehicle with the charged battery so that
the jumper cables will reach, but never let the
vehicles touch. Make sure the jumper cables do not
have loose or missing insulation.
2. On both vehicles:
•Turn off engine and all lights and accessories,
except hazard warning flashers or work lights.
•Apply parking brake and shift selector lever to
position “P”.
Important!
3. Clamp one end of the first jumper cable to the
positive (+) terminal of the discharged battery and
the other end to the positive (+) terminal of the
charged battery. Make sure the cable clamps do not
touch any other metal parts.
4. Clamp one end of the second jumper cable to the
grounded negative (–) terminal of the charged
battery and the final connection to the negative (–)
terminal of the discharged battery.
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