Page 223 of 539

222 Controls in detail3-zone automatic climate control*Adjusting air distribution
Use the air distribution controls3,h,
orj for the left side, or7,b, orc
(page 218) for the right side to separate-
ly adjust the air distribution on each side of
the passenger compartment.
The following symbols are found on the
controls:Adjusting manually
Press the desired air distribution con-
trol.
The indicator lamp on buttonU
goes out.
Adjusting automatically
Press buttonU (
page 218).
The indicator lamp on buttonU
comes on. The air distribution is
adjusted automatically.
Windshield fogged on the outside
Switch the windshield wipers on
(page 55).
Press buttonU.
The indicator lamp on the button
comes on.
Adjusting air volume
Adjusting manually
Five blower speeds are available.
Press to decrease orQ to in-
crease air volume to the desired level
(page 218).
The indicator lamp on buttonU
goes out. The selected blower speed is
shown in the display.
Adjusting automatically
Press buttonU.
The indicator lamp on buttonU
comes on. The air volume is adjusted
automatically.
Symbol
Function
Z
Directs air to the windshield
and side air vents
a
Directs air through the center,
side and rear passenger com-
partment air vents
Y
Directs air to the footwells and
side air vents
Page 379 of 539

378 OperationVehicle careWiper blades
Fold wiper arms forward until they snap
into place.
Clean the wiper blade inserts with a
clean cloth and detergent solution.Window cleaning
Fold wiper arms forward until they snap
into place.
Use a window cleaning solution on all
glass surfaces.
An automotive glass cleaner is
recommended.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch
(vehicles with KEYLESS-GO*: Make sure the
vehicle’s on-board electronics have
status
0) before cleaning the wiper blades.
Otherwise, the wiper motor could suddenly
turn on and cause injury.
!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Warning!
G
For safety reasons, switch off wipers and re-
move SmartKey from starter switch
(vehicles with KEYLESS-GO*: Make sure the
vehicle’s on-board electronics have
status
0) before cleaning the windshield.
Otherwise, the wiper motor could suddenly
turn on and cause injury.
!Fold the windshield wiper arms back
onto the windshield before turning the
SmartKey in the starter switch.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Page 455 of 539

454 Practical hintsReplacing wiper blades
Let tab2 latch into both recesses of
attachment3.
Check if the wiper blade is securely
fastened.
Fold the wiper arm backward to rest on
the windshield.
Make sure you hold on to the wiper arm
when folding it back.
Removing rear wiper blade
Fold wiper arm1 (
page 455) for-
ward until it engages.
!Never open the hood when the wiper
arms are folded forward.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Do not allow the wiper arms to contact
the windshield glass without a wiper
blade inserted.
Make certain that the wiper blades are
properly installed. Improperly installed
wiper blades may cause windshield
damage.
For your convenience, we recommend
that you have this work carried out by
an authorized Mercedes-Benz Light
Truck Center.
Warning!
G
For safety reasons, switch off wipers and
remove SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: Make sure the
vehicle’s on-board electronics have
status
0) before replacing a wiper blade.
Otherwise the motor could suddenly turn on
and cause injury.
Page 508 of 539

507 Index
A
ABS 93, 501
ABS control 93
Malfunction indicator lamp 382
Messages in display 397
Off-road - ABS 94
Warning lamp 382
Accelerator position, automatic
transmission 190
Accessory weight 365
Accident
In case of 59
Activating
Air circulation mode 226
Air conditioning (cooling) 211
Air recirculation mode 209, 224
Anti-theft alarm system 101
Central locking (control system) 172
Defrosting 208
Easy-entry/exit feature* 173
ESP
®
98Exterior headlamps 54
Hazard warning flasher 145
Headlamps 54
High beams 142
Ignition 34
Immobilizer 62, 100
Rear window defroster 201
Rear window wiper 58
Residual heat 212, 227
Seat heating* 134
Tow-away alarm 102
Warning indicators (Parktronic*) 256
Windshield wipers 55
Adaptive Damping
System (ADS)* 249, 501
Adding
Coolant 333
Engine oil 331
Additional turn signals 443Adjusting 38
Air distribution 207, 222
Air volume 207, 208, 222
Backrest tilt 40
Compass zone 171
Exterior rear view mirror 44
Head restraint height 40
Head restraint tilt 41
Headlamp aim 451
Instrument cluster illumination 148
Interior rear view mirror 44
Mirrors 43
Multicontour seat* 132
Seat cushion depth 132
Seat cushion tilt 40
Seat fore and aft adjustment 39
Seat height 39
Seats 38
Steering column height 43
Steering wheel 41
Adjusting steering column 43
ADS* 501
Page 513 of 539

512 IndexClosing the tailgate 123, 124
Closing the tailgate from
the inside electrically* 120
Closing the tailgate from the
outside (vehicles without
KEYLESS-GO*) 121
Closing tilt/sliding sunroof*
In an emergency 439
Cockpit 22, 501
Cold tire inflation pressure 365
Combination switch 142
High beam 54
Turn signals 54
Windshield wipers 55
Compass 295
Adjusting compass zone 171
Calibrating 171
Zone map North America 295
Zone map South America 295
Control and operation
of radio transmitters 320Control system 502
AUDIO menu 157
Convenience submenu 173
Display digital speedometer 156
Functions 154
Instrument cluster
submenu 164, 165
Lighting submenu 167
Menus 153, 154
Message memory menu 159
Selecting radio system 157
Selecting satellite radio* station
(USA only) 157
Settings menu 161
Standard display menu 156
Submenus 152, 154
TEL* menu 178
Trip computer menu 177
Vehicle submenu 171
Convenience submenu 173
Activating easy-entry/exit
feature* 173
Setting parking position*
for exterior rear view mirror 174Coolant 332, 497
Adding 333
Anticorrosion/antifreeze
quantity 498
Checking level 332
Messages in display 410, 412
Temperature 322
Coolant level
Checking 332
Corner-illuminating front fog lamps* 143
Switching off 144
Switching on 143, 144
Crossing obstacles 311
Cruise control 238, 502
Canceling 240
Driving downhill 240
Driving uphill 240
Message in display 398
Setting current speed 239
Setting speeds 243
Cruise control lever 238, 246
Page 529 of 539

528 IndexSettings menu
Individual vehicle settings 161
Submenus 161, 162
Shifting
Gear selector lever positions 185
Into optimal gear range
(automatic transmission) 190
Side impact air bags 72
Side marker lamp
Replacing bulbs 443
Side marker lamp bulb
Replacing 448
Side marker lamps
Replacing bulbs 444
Side markers
Vehicle care 377Side windows 230
Automatic opening 232
Cleaning 378
Closing 230, 231
Closing with KEYLESS-GO* 234
Opening 230
Opening fully (Express-open) 232
Stopping 232
Synchronizing power windows 232
Sidewall 367
Simultaneous wiping and washing
Rear window wiper/washer 58
Windshield wipers 56
Single wipe 56SmartKey 106
Battery check lamp 108, 114
Checking the batteries 109, 115
Factory setting 108
Global locking 108
Global locking and unlocking 108
Global unlocking 108
Loss of 110
Selective setting 108
Starter switch positions 34
Turning off engine 62
Unlocking with 32
SmartKey with KEYLESS-GO* 110
Factory setting 113
Global locking 113
Loss of 116
Messages in display 417
Remote control 110
Replacing key batteries 441
Selective setting 114
Unlocking 110
Page 531 of 539

530 IndexSubmenus
Convenience 173
For settings 152
In control system 154
Instrument cluster 164, 165
Lighting 167
Resetting functions in Control
system 162
Selecting 162
Settings menu 162
Vehicle 171
Sun visor 198
Supplemental Restraint System see SRS
Switching off
Automatic central locking
(control system) 172
Corner-illuminating front fog
lamps* 144
Downhill Speed Regulation
(DSR) 245
ESP
®
97
Hazard warning flasher 145
Headlamps 62
Seat heating* 134Switching on
Automatic central locking
(control system) 172
Corner-illuminating front fog
lamps* 143, 144
Downhill Speed Regulation
(DSR) 245
ESP
®
98
Front fog lamps 142
Hazard warning flasher 145
Headlamps 54
High beams 142
Low beam headlamps 54
Rear fog lamp 142
Seat heating* 134
Windshield wipers 55
Synchronizing
Power windows 232
Tilt/sliding sunroof* 237T
Tachometer 149
Displaying gear range 187
Overspeed range 149
Tail lamps
Cleaning 377
Tailgate
Closing 120
Closing from the inside
electrically* 120
Closing from the outside (vehicles
without KEYLESS-GO*) 121
Message in display 427
Opening 118
Opening from the inside
electrically* 118
Opening from the outside 118
Unlocking and opening the tailgate in
an emergency 437
Unlocking and opening with
KEYLESS-GO* 115
Unlocking with SmartKey 109
Page 536 of 539

535 Index
Vehicle jack 431
Vehicle level control* 250, 506
Vehicle lighting
Checking 325
Vehicle loading terminology 365
Vehicle maximum load on the tire 368
Vehicle tool kit 430
Setting up the collapsible wheel
chock 432
Vehicle washing 376
VIN (Vehicle Identification Number) 506W
Warning indicators
Parktronic* 256
Warning sounds
Drivers seat belts 75
Parking brake 53
Warranty coverage 483
Washer fluid see Windshield washer fluid
Wear pattern (tires) 368
Weights 492
Wheel change
Tightening torque 461
Wheels
Rotating 368
Window curtain air bags 72
Windows see Side windows
Windshield
Defogging 208, 222
Refilling washer fluid 334
Replacing wiper blades 453
Washer fluid 333, 500
Washer system 500Windshield washer fluid 500
Message in display 427
Mixing ratio 500
Refilling 333
Wiping with 56
Windshield washer system 500
Windshield wipers 55
Fast wiper speed 55
Intermittent 55
Intermittent wiping 55
Interval wiping 56
Normal wiper speed 55
Rear window wiper/washer 57
Replacing wiper blades 453
Simultaneous wiping and washing 58
Single wipe 56
Switching on 55
Wiping with windshield washer
fluid 56