Page 318 of 417

317 Practical hints
What to do if …
Display symbolDisplay messagePossible causePossible 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 319 of 417

318 Practical hints
What to do if …
Display symbolDisplay messagePossible causePossible 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 MALFUNCTIONThe 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, R
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 337 of 417
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
Page 338 of 417

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.
Page 343 of 417
342 Practical hints
Replacing bulbs
Front turn signal lamp
1Securing screw
2Turn signal lens
Loosen and remove securing
screws1.
Remove turn signal lens2.3Bulb
Press bulb3 gently into the socket,
turn counterclockwise and remove it.
Press new bulb3 gently into the sock-
et and turn clockwise until it engages.
Reinstall turn signal lens2.
Install and tighten securing screws1.Side marker lamp
The following description applies to both,
the front and the rear side marker lamps.
Front side marker shown
1Securing screw
2Side marker lamp housing
Loosen and remove securing
screws1.
Remove side marker lamp housing2.
i
G55AMG:
Remove the protective grille before
replacing bulbs.
i
Do not overtighten securing screws1.
Otherwise turn signal lens2 could be
damaged.
Page 345 of 417
344 Practical hints
Replacing bulbs
1Securing screw
2Tail lamp lens
3Turn signal lamp bulb
4Tail lamp bulb
5Brake lamp bulb
Loosen and remove securing
screws1.
Remove tail lamp lens2.
Press gently onto respective bulb3,
4, or5 and turn counterclockwise
out of its bulb socket.
Press the new bulb gently into its bulb
socket and turn clockwise until it
engages.
Reinstall tail lamp lens2.
Install and tighten securing screws1.Rear fog lamp/Backup lamp
1Securing screw
2Lamp lens
3Bulb
i
Do not overtighten securing screws1.
Otherwise tail lamp lens2 could be
damaged.
Page 392 of 417

391 Index
Battery, vehicle 251, 353
Charging 353
Disconnecting 354
Messages in display 304, 305
Reconnecting 355
Bead 273
Block heater (Canada only) 279
Blocking rear door window operation 78
B-pillar 368
Brake assist system (BAS) 383
Brake fluid 241, 378
Brake lamp bulbs, left and right 336
Brake lamp, high mounted 336
Brake pads
Message in display 305
Brakes 221
Warning lamp 292, 293
Break-in period 218
Brush guard* 331
Lowering 332
Raising and securing 332Bulbs, replacing
Additional turn signals 336
Backup lamps 336, 344
Brake lamps 336, 344
Front fog lamps 336, 340
Front lamps 335, 336
Front turn signal lamps 336, 342
High and low beam 338
High beam lamps 336
High mounted brake lamp 336
License plate lamps 336, 345
Low beam lamps 336
Parking lamps 336, 338
Rear fog lamp 336, 344
Rear turn signal lamps 336
Side marker lamps 336, 342
Standing lamps 336, 338
Tail lamp assemblies 336
Tail lamp unit 343C
CAC (Customer Assistance Center) 383
Call priority
Tele Aid 208
Calling up
Maintenance service indicator 281
Range (distance to empty) 146
CAN system 383
Capacities
Fuels, coolants, lubricants, etc. 376
Cargo area see Cargo compartment
Cargo compartment
Tailgate 97, 98
Tie-down rings 193
Cargo compartment cover 187
Installing 187
Removing 187
Cargo tie-down rings 193
Catalytic converter 236
CD changer 324
CD player
Operating 130
Page 397 of 417

396 Index
Engine oil level see Oil level
Enlarged cargo compartment 188
ESP 25, 80, 84, 384
Messages in display 302
Switching off 86
Switching on 87
Synchronizing 302
Warning lamp 295
ETD 62, 71, 384
Safety guidelines 66
Exterior lamp switch 110
Exterior lamps
Delayed shut-off 140
Exterior rear view mirrors
Adjusting 41
Parking position for 144
F
Fahrenheit
Setting temperature units 136
Fastening the seat belts 43
Fine adjustment
Cruise control 183
First aid kit 323Flat tire 348
Lowering the vehicle 352
Mounting the spare wheel 349
Spare wheel 325
Flexible Service System (FSS, Canada
vehicles) 384
Fog lamp, rear 114, 336
Fog lamps, front 113
Messages in display 315
4-ETS 80, 83
Front airbags 67
Front axle differential lock
Switching on 162
Front fog lamps
Replacing bulbs 336, 340
Front lamps
Messages in display 314, 316
Replacing bulbs 336, 338
Switching on 110
Front seat head restraints
Installing 102
Removing 101
Front towing eye 361
Front turn signal lamp
Replacing bulbs 342FSS (Flexible Service System, Canada
vehicles) 384
Fuel 240
Additives 379
Fuel reserve warning lamp 296
Gasoline additives 379
Premium unleaded gasoline 240,
376, 378
Refueling 239
Requirements 379
Reserve warning 25
Technical data 376
Fuel additives 379
Fuel consumption statistics
After start 145
Since last reset 145
Fuel filler flap 239
Locking 239
Opening 328
Unlocking 239
Fuel requirements 379
Fuel reserve tank
Message in display 313
Fuel tank
Capacity 376
Filler flap 239