Page 315 of 416
315 Practical hints
What to do if …
Display symbol
Display message
Possible cause
Possible solution
.
MARKER LIGHT, FL
CHECK LIGHT!
The left front side marker lamp is mal-
functioning.
Replace the bulb as soon as possible.
MARKER LIGHT, FR
CHECK LIGHT!
The right front side marker lamp is mal-
functioning.
Replace the bulb as soon as possible.
REAR FOGLIGHT
CHECK LIGHT!
The rear fog lamp is malfunctioning.
Replace the bulb as soon as possible.
REAR FOGLIGHT
TURN OFF
BACK-UP LIGHT ON!
A lamp is malfunctioning. A backup bulb
is being used.
Turn the rear fog lamp off.
REVERSE LIGHT, R
CHECK LIGHT!
The right backup lamp is malfunctioning.
Replace the bulb as soon as possible.
TAIL LIGHT, L
CHECK LIGHT!
BACK-UP LIGHT ON!
The left tail lamp is malfunctioning.
A backup bulb is being used.
Replace the bulb as soon as possible.
TAIL LIGHT, R
CHECK LIGHT!
BACK-UP LIGHT ON!
The right tail lamp is malfunctioning.
A backup bulb is being used.
Replace the bulb as soon as possible.
TURN SIG., LF
CHECK LIGHT!
BACK-UP LIGHT ON!
The left front turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Page 316 of 416
316 Practical hintsWhat to do if …Display symbol
Display message
Possible cause
Possible solution
.
TURN SIG., RF
CHECK LIGHT
!
BACK-UP LIGHT ON!
The right front turn signal lamp is mal-
functioning. A backup bulb is being
used.
Replace the bulb as soon as
possible.
TURN SIG., LR
CHECK LIGHT
!
BACK-UP LIGHT ON!
The left rear turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as
possible.
TURN SIG., RR
CHECK LIGHT!
BACK-UP LIGHT ON!
The right rear turn signal lamp is mal-
functioning. A backup bulb is being
used.
Replace the bulb as soon as
possible.
VISIT WORKSHOP!
DISPLAY MALFUNCTION
The display for the lamps or the system
is malfunctioning.
Visit an authorized Mercedes-Benz
Light Truck Center as soon as
possible.
TURN SIG. MIRROR, L
CHECK LIGHT!
The left turn signal in the side mirror is
malfunctioning. 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.
TURN SIG. MIRROR, L
CHECK LIGHT!
The right turn signal in the side mirror is
malfunctioning. 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.
Page 335 of 416
335 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.
iHave 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.
Page 398 of 416
398 IndexL
Labels, identification 366
Lamp bulbs, exterior 333
Lamps, exterior
Front 334
Light sensor 314
Messages in display 312, 314
Rear 334
Replacing bulbs for rear 341
Lamps, indicator and warning
ABS 288, 289
Battery (SmartKey) 94
Brakes 290, 291
CHECK ENGINE 292
Engine diagnostics 292
ESP 293
Fuel reserve 294
Instrument cluster 294
Maintenance service indicator 277
Seat belts 294
SRS 63
Turn signals 25
Language
Multifunction display 136
Setting 136LATCH child seat anchors 77
Layout of poly-V-belt drive 367
Leather upholstery
Cleaning 285
License plate lamps
Messages in display 314
Replacing bulbs 334, 342
Light alloy wheels
Cleaning 284
Technical data 370, 371
Light sensor 314
Lighter see Cigarette lighter
Lighting 110
Automatic headlamp mode 111
Combination switch 114
Daytime running lamp mode 112
Exterior lamp switch 110
Front fog lamps 113
High beam flasher 114
High beams 114
Instrument cluster illumination 120
Interior 116
Locator lighting 113
Low beams 110
Manual headlamp mode 111Night security illumination 113
Parking lamps 110
Rear fog lamp 114
Settings (control system) 137
Limiting the gear range 150
Limp Home Mode 153
Line of fall 383
Loading 182
Cargo compartment cover 182
Cargo tie-down rings 189
Instructions 187
Partition net* 185
Roof rack 182
Split rear bench seat 183
Loading terminology 271
Loading the vehicle 251
Locator lighting 113
Setting 138
Lock button 383
Locking 57, 92
Fuel filler flap 235
Global, SmartKey 94
Vehicle in an emergency 326
Loss of keys 96