Page 343 of 585

342 OperationDriving instructions
Remove excessive dirt from tires,
wheels, wheel housings, and under-
body.
For instance, after driving in mud, clean
the radiator, chassis, engine, brakes,
and wheels from extreme dirt using a
strong jet of water.
Check tires for possible damage.
Inspect vehicle underbody, oil pan,
brake hoses, etc., as well as vehicle un-
derbody for possible damage.
Check for brush or branches caught in
the underbody.
After continued operation in mud,
sand, water or other dirty conditions
clean the brake discs, wheels, brake
pads and check and clean axle joints.
Conduct a brake test.
Trailer towing Trailer hitch*
Only install a trailer hitch receiver ap-
proved for your vehicle.
For information on availability and in-
stallation, see an authorized
Mercedes-Benz Light Truck Center.
The bumpers on your vehicle are not
designed for use with clamp-type hitch-
es.
Do not attach rental hitches or other
bumper-type hitches to them.
To reduce the possibility of damage, re-
move the hitch ball adaptor from the
receiver when not in use.
!
Brush or branches could increase the possi-
bility of a fire, as well as cut fuel and/or brake
lines, puncture rubber bellows of the axles or
drive shafts.
Warning!
G
Failure to use proper equipment and driving
technique can result in a loss of vehicle con-
trol when towing a trailer.
Improper towing or failure to follow the in-
structions in this manual can result in vehi-
cle damage and/or serious personal injury.
Follow the guidelines below carefully to as-
sure safe trailer operation.
Contact an authorized Mercedes-Benz Light
Truck Center should you require an explana-
tion of information contained in this manual.
Page 485 of 585

484 Practical hintsReplacing bulbs
Notes on bulb replacement
Only use 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 and bulbs for the following
lamps replaced by an authorized
Mercedes-Benz Light Truck Center:
the additional turn signal lamps in the
exterior rear view mirrors
the high mounted brake lamp
the Bi-Xenon* low beam lamps
the Bi-Xenon high beam flasher spot-
light*
Warning!
G
Bulbs and bulb sockets can be very hot.
Allow the lamp to cool down before chang-
ing 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.
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.
!
Do not replace the LEDs yourself. You could
otherwise damage the LEDs or parts of the vehi-
cle. Only have the LEDs replaced by a qualified
specialist workshop having the necessary skills
and tools for carrying out the work required.
i
Replacing the bulbs for the front lamps is a
technically complex process. For your conve-
nience, we recommend that you have this work
carried out by an authorized Mercedes-Benz
Light Truck Center.
Have the headlamp adjustment checked
regularly.
Page 568 of 585

567 Index
LATCH-type child seat anchors 91
OCS 85
OCS, Messages in the multifunction
display 440, 441, 442, 443
Seat belts 51, 73
OCS 85
Self-test 90
Odometer 146, 147, 154
Off-road - 4-ETS 102
Off-road - ABS 97
Off-road - ESP
®
101
Off-road driving
Checklist 336, 341
Crossing obstacles 339
Driving instructions for
off-road driving 333
Driving through water 338
Returning 341
Rules 335
Special driving features 334
Steep terrain 336
Off-road driving program 268
Oil level see Engine oil, Checking level
One-touch gearshifting 194
Operating safety 17
Operator’s Manual 10Ornamental moldings, Cleaning 407
Outside temperature see Displays
Overdue maintenance service term 402
Overhead control panel 33
Oxidation catalyst (diesel engine) 349
P
Paintwork code 530
Paintwork, Cleaning 405
Panic alarm 95
Parcel net
Front passenger footwell 298
Front seat backrests 298
Parking 65, 329
On hills 65
Over things that burn, Potential
consequences 65, 349
Parking brake 57, 65
Lamps, Indicator and warning 415
Messages in the
multifunction display 448
Releasing 57
Parking lamps
Messages in the
multifunction display 459
Replacing bulbs 487Parking position*
Exterior rear view mirrors 178, 202
Parktronic* 31, 274
Cleaning system sensors 408
Minimum distance 276
Range 275
Switching on/off 277
System malfunction 278
System sensors 275
System sensors, Cleaning 408
Warning indicators 25, 276
Partition net* 287
Parts service 528
PASS AIR BAG OFF indicator lamp see
Front passenger front air bag off
indicator lamp
Passenger compartment 348
Fuse box 524
Interior lighting 142
Interior rear view mirror 33
Parcel net in front passenger
footwell 298
Passenger safety see Occupant safety
Pedals 325
Phone see Telephone*
Plastic and rubber parts, cleaning 411