Page 355 of 539

354 OperationTires and wheels
Press thej or kbutton repeat-
edly until you see the current inflation
pressures for each tire appear in the
display or the following message ap-
pears in the displayTire pressure display
appears after driving
several minutes
Press the reset button (
page 24).
The following message will appear in
the multifunction display:
Check current
tire pressure?
Press the æbutton.
The following message will appear in
the multifunction display:Tire pressure monitor
reactivatedThe TPMS will now monitor the tire in-
flation pressure values of all four tires.
If you wish to cancel activation:
Press the çbutton.Potential problems associated with
underinflated and overinflated tires
Underinflated tire inflation pressure
Underinflated tires can:
cause excessive and uneven tire wear
adversely affect fuel economy
lead to tire failure from being
overheated
adversely affect handling
characteristicsOverinflated tire inflation pressure
Overinflated tires can:
adversely affect handling
characteristics
cause uneven tire wear
be more prone to damage from road
hazards
adversely affect ride comfort
increase stopping distance
Warning!
G
Follow recommended tire inflation
pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly,
adversely affect handling and fuel economy,
and are more likely to fail from being
overheated.
Warning!
G
Follow recommended tire inflation
pressures.
Do not overinflate tires. Overinflated tires
can adversely affect handling and ride
comfort, wear unevenly, increase stopping
distance, and result in sudden deflation
(blowout) because they are more likely to
become punctured or damaged by road
debris, potholes etc.
Page 373 of 539

372 OperationMaintenanceClearing the maintenance service indicator
The maintenance service indicator is auto-
matically cleared after ten seconds when
you switch on the ignition or when reach-
ing the service threshold while driving. You
can also clear it yourself.
Press reset button on the instrument
cluster (
page 24).
Maintenance service term exceeded
If you have exceeded the suggested main-
tenance service term, you will see the fol-
lowing message in the multifunction
display:Service A exceeded by XXXXX miles (km)
Service A exceeded by XXX days
Service A exceeded by X dayIn addition, a signal sounds when the mes-
sage appears.
Any authorized Mercedes-Benz Light Truck
Center will reset the maintenance service
indicator following a completed mainte-
nance service.
Calling up the service indicator
Switch on the ignition (
page 34).
The standard display of the control sys-
tem appears (
page 156).
Press buttonk orj on the mul-
tifunction steering wheel until the
maintenance service indicator with the
service symbol9 and the service
deadline appears in the multifunction
display.iIf the battery is disconnected, the days
of disconnection will not be included in
the count shown by the maintenance
service indicator. To arrive at the true
maintenance service deadline, you will
need to subtract these days from the
days shown in the maintenance service
indicator.
Do not confuse the maintenance ser-
vice indicator with the engine oil level
indicatorN.
Page 374 of 539

373 Operation
Maintenance
Resetting the maintenance service indicator
In the event that the maintenance service
on your vehicle is not carried out by an
authorized Mercedes-Benz Light Truck
Center, you can have the maintenance
service indicator reset. The automotive
maintenance facility carrying out the
maintenance service will find the informa-
tion for resetting the maintenance service
indicator in the maintenance-relevant
information for your vehicle. Such informa-
tion is available from either your
authorized Mercedes-Benz Light Truck
Center or directly from Mercedes-Benz.
iIf the maintenance service indicator
was inadvertently reset, have an
authorized Mercedes-Benz Light Truck
Center correct it.
Only reset if the proper maintenance
service has been performed. Resetting
the system without performing the
proper service as called for by the
maintenance service indicator will
result in engine damage and/or other
vehicle damage not covered by the
Mercedes-Benz Limited Warranty.
Page 396 of 539

395 Practical hints
What to do if …
Vehicle status messages in the multifunction display
Warning and malfunction messages
appear in the multifunction display located
in the instrument cluster.
Certain warning and malfunction messag-
es are accompanied by an audible signal.
Address these messages accordingly and
follow the additional instructions given in
this Operator’s Manual.
Selecting the vehicle status message
memory menu in the control system
(page 159) displays both cleared and
uncleared messages.
High-priority messages appear in the
multifunction display in red color.Certain messages of high priority cannot
be cleared from the multifunction display
using the reset button (
page 24) or
buttonj,k,ÿ, orè on the
multifunction steering wheel.
Other messages of high priority and mes-
sages of less immediate priority can be
cleared from the multifunction display
using the reset button (page 24) or
buttonj,k,ÿ, orè on the
multifunction steering wheel. They are
then stored in the vehicle status message
memory (
page 159). Remember that
clearing a message will only make the mes-
sage disappear. Clearing a message will
not correct the condition that caused the
message to appear.
Warning!
G
All categories of messages contain
important information which should be
taken note of and, where a malfunction is
indicated, addressed as soon as possible at
an authorized Mercedes-Benz Light Truck
Center.
Failure to repair condition noted may cause
damage not covered by the Mercedes-Benz
Limited Warranty, or result in property dam-
age or personal injury.Warning!
G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
Contact the nearest authorized
Mercedes-Benz Light Truck Center.
Page 517 of 539

516 IndexFront air bags 71
Front fog lamps
Indicator lamp 138
Switching on 142
Front lamps
Messages in display 418
Replacing bulbs 443, 445
Front turn signal bulbs
Replacing 448
Front wiper blades
Installing 453
Removing 453
FSS Plus
(Flexible Service System PLUS) 502
Fuel 324
Additives 497
Fuel tank reserve warning lamp 388
Gasoline additives 497
Premium unleaded gasoline 324,
496
Requirements 496
Fuel additives 497Fuel cap
Message in display 416
Fuel consumption statistics
After start 177
Since last reset 177
Fuel filler flap 323
Locking 323
Opening 438
Unlocking 323
Fuel requirements 496
Fuel reserve tank
Message in display 416
Fuel tank
Filler flap 323
Fuels, coolants, lubricants etc. 493
Functions (control system) 154
Resetting 162
Fuse box
In cargo compartment 479
Fuse chart 478
Fuse extractor 478
Fuses 477
Fuse chart 478
Main fuse box 478G
Garage door opener 289
Erasing in remote control 294
Gasoline additives 497
Gasoline see Fuel
GAWR 365
GAWR (Gross Axle Weight Rating) 502
Gear range 503
Limiting 187
Shifting into optimal 190
Gear range limit
Canceling 190
Gear ranges
Automatic transmission 187
Gear selector lever
Cleaning 379
Gearshift pattern for automatic
transmission 182
Message in the display 400
Position 185
Shifting procedure 184
Global
Locking 108
Unlocking 108
Page 521 of 539

520 IndexLoading 259
Cargo compartment cover* 265
Cargo tie-down rings 260
Hooks 261
Instructions 259
Partition net* 263
Roof rack* 269
Trailer 315
Loading terminology 365
Loading the vehicle 338
Locator lighting 141
Setting 168
Lock buttons
Door handle (KEYLESS-GO*) 64
Locking 106
Automatic while driving 125
Centrally from inside 126
Fuel filler flap 323
Global (SmartKey with
KEYLESS-GO*) 113
Global, SmartKey 108
Vehicle in an emergency 436Locking knob 503
Locking knobs 32
Locking the vehicle 116
Loss of Service and
Warranty Information Booklet 483
Loss of SmartKey 110
Loss of Smartkey with
KEYLESS-GO* 116
Low beam bulbs
Replacing bulbs 446
Low beam headlamps
Replacing bulbs 443
Switching on 54
Lowering
Vehicle 460M
Main dimensions 491
Main fuse box 478
Maintenance 12
Maintenance service
Resetting maintenance
service indicator 373
Term exceeded 372
When due 371
Maintenance service indicator 371
Resetting 373
Malfunction
Parktronic* system 258
Manual headlamp mode 139
Manual operations
Fuel filler flap 438
Interior lighting control 146
Locking the vehicle 436
Power tilt/sliding sunroof* 439
Unlocking the driver’s door 435
Manual seat
Adjusting head restraint tilt 41
Page 527 of 539

526 IndexReplacing key batteries
SmartKey with KEYLESS-GO* 441
Reporting
Safety defects 19
Reset button in the instrument
cluster 161
Resetting
All functions of a submenu 162
Fuel consumption 177
Maintenance service indicator 373
Trip odometer 149
Residual heat utilization 212, 226, 227,
505
Residual ventilation 212, 226
REST (Residual engine heat
utilization) 505Restraint system 505
Restraint system see Infant
and child restraint systems
Returning from off-road driving 313
Returning seat backrest to original
position 262
Rim 367
Rims 487
Roadside assistance 12
Tele Aid* 284
RON 324
RON (Research Octane Number) 505
Roof rack* 269
Rotating wheels 368
Rubber parts
Cleaning 380
Run Flat Indicator 348S
Safety
Occupant 66
Safety belts see Seat belts
Safety defects
Reporting 19
Safety systems
Driving 93
Seat backrest
Returning to original position 262
Seat belt force limiter 76
Seat belt height adjustment 48
Seat belts 73
Cleaning 379
Fastening 46
Height adjustment 48
Proper use of 48, 74
Safety guidelines 70
Warning lamp 388, 389
Page 528 of 539

527 Index
Seat cushion depth
Adjusting 132
Seat heating*
Switching off 134
Switching on 134
Seating capacity 340
Seats 128
Adjusting 38
Easy entry/exit feature
(Vehicles with memory
function*) 128
Heater* 133
Multicontour seat* 132
Securing cargo
Cargo tie-down rings 260
Selecting display 165
Self-test
Occupant Classification System 86
Tele Aid* 282
Service
Calling up the service indicator 372
Parts 482Service and Warranty Booklet
Loss of 483
Service and warranty information 10
Service indicator
Calling up 372
Clearing 372
Service life (tires) 336
Setting
Convenience functions 163, 173
Cruise control 239
Day (clock) 166
Daytime running lamp mode 167,
168
Higher speed in cruise control 241
Hours (clock) 165
Individual vehicle settings 161
Interior lighting delayed
switch-off 170
Lamps and lighting (control
system) 167
Language, multifunction display 164
Locator lighting 168
Lower speed in cruise control 242
Miles/kilometers in
speedometer 164Minutes (clock) 166
Month (clock) 166
Parking position* for exterior
rear view mirrors 174
Slower speed in cruise control 242
Speed in cruise control 243
Speedometer display mode 164
Temperature (interior) 207, 221
Units
Speedometer 164
Year (clock) 167
Setting current speed 239
Setting the vehicle level* 252
Setting up the collapsible wheel chock
Vehicle tool kit 432
Settings
Convenience functions 173
Factory, SmartKey 108
Lighting (control system) 167
Menus and submenus 152
Resetting all (control system) 161
Resetting in the submenu 162
Selective 108, 114