Trailer towing
................................. 146
Transmission oil change ................328
Automatic transmission emer-
gency mode ....................................... 147
Auxiliary heating Activating/deactivating heater
booster mode ................................ 130
Conditions for switching on ...........123
Heating time .................................. 123
Important safety notes ..................122
Operating with the button (control
panel) ............................................ 124
Operation with the remote
control ........................................... 125
Operation with the timer ................127
Problem (malfunction) ...................132
Selecting a switch-on time ............. 124
Setting the switch-on time .............125
see Auxiliary heating
AUX port ............................................ .240
Axle load, permissible (trailer tow-
ing) ...................................................... 333 B
Backup lamps Replacing bulbs ............................. 103
Backup lamps (Chassis Cab)
Replacing bulbs ............................. 104
BAS (Brake Assist System)
Display message ............................ 207
Function/notes ................................ 57
Indicator lamp ................................ 221
Basic settings
see Settings
Battery
Isolating switch .............................. 136
Replacing (SmartKey) ......................69
Battery (SmartKey)
Checking .......................................... 68
Important safety notes ....................68
Replacing ......................................... 69
Battery (vehicle)
Care ............................................... 266
Charge indicator lamp ...................225
Charging ........................................ 266
Disconnecting and connecting
(driver's footwell) ........................... 262Disconnecting and connecting
(engine compartment)
...................264
Disconnecting and reconnecting
(base of driver's seat) ....................265
Display message ............................ 219
Important safety notes ..................260
Installing/removing (base of driv-
er's seat) ........................................ 266
Installing/removing (driver's foot-
well) ............................................... 263
Installing/removing (engine com-
partment) ....................................... 265
Jump starting ................................. 278
Location ......................................... 261
Removing/installing the floor cov-
ering (driver's footwell) ..................261
Before driving off
Important safety notes ..................138
Belt
see Seat belts
Bleeding the fuel system ..................143
Blind Spot Assist Activating/deactivating .................166
Notes/function .............................. 164
Trailer towing ................................. 166
Bodies
Body/equipment mounting direc-
tives for trucks ................................. 28
Bottle holder ...................................... 237
see Cup holder
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
Checking the level .........................256
Display message ............................ 208
Notes ............................................. 328
Warning lamp ................................. 222
Brake force distribution, elec-
tronic
see EBD (electronic brake force
distribution)
Brake lamps
Replacing bulbs ............................. 103
Brake lamps (Chassis Cab)
Replacing bulbs ............................. 104
Brake linings
Display message ............................ 207
Indicator lamp ................................ 225 Index
5
License plate lamp (Chassis Cab).
.104
Low-beam headlamps ....................101
Overview of lamp types (front
bulbs) ............................................. 101
Overview of lamp types (rear
bulbs, Cargo Van/Passenger Van) ..103
Overview of lamp types (rear
bulbs, Chassis Cab) .......................104
Perimeter lamp ......................104, 105
Rear fog lamp ................................ 103
Rear fog lamp (Chassis Cab) ..........104
Rear interior light ........................... 106
Standing lamps (rear, Chassis
Cab) ............................................... 104
Standing lamps (rear) ....................103
Tail lamps ...................................... 103
Tail lamps (Chassis Cab) ................104
Turn signals (front) ......................... 102
Turn signals (rear, Chassis Cab) ..... 104
Turn signals (rear) ..........................103
Warning and indicator lamps .........230
see Replacing bulbs
Checklist
Before driving off-road ...................160
Child-proof locks
Important safety notes ....................54
Rear door ......................................... 55
Sliding door ..................................... 55
Children
In the vehicle ................................... 50
Restraint systems ............................ 50
Special seat belt retractor ...............54
Child seat
LATCH-type (ISOFIX) child seat
anchors ............................................ 52
Top Tether ....................................... 53
Chock ................................................. 153
Cigarette lighter ................................ 238
Cleaning Mirror turn signal ........................... 270
Trailer tow hitch ............................. 271
Climate control
Air-conditioning system .................114
Auxiliary heating ............................ 122
Checking/cleaning the air filter
(rear-compartment air condition-
ing) ................................................ 258
Cooling with air dehumidification ..117 Defrosting the windows
.................118
Heating .......................................... 113
Important safety notes ..................112
Operating the cargo compartment
air vents ......................................... 133
Overview of systems ......................112
Problems with the windshield
heating .......................................... 119
Problem with the rear window
defroster ........................................ 120
Rear-compartment air condition-
ing ................................................. 116
Rear-compartment heating ............115
Reheat function (air dehumidifica-
tion) ............................................... 118
Setting the air distribution .............117
Setting the airflow .........................118
Setting the air vents ......................121
Setting the temperature ................117
Switching air-recirculation mode
on/off ............................................ 120
Switching on/off ........................... 116
Switching the rear window
defroster on/off ............................ 120
Switching windshield heating on/
off .................................................. 119
Cockpit
Overview .......................................... 32
see Instrument cluster
COLLISION PREVENTION ASSIST
Activating/deactivating the dis-
tance warning function ....................59
Operation/notes .............................. 58
COMAND display
Cleaning ......................................... 272
Combination switch ............................95
Communications equipment Operation ....................................... 239
PND fittings ................................... 240
Ports .............................................. 240
Type approval/frequency ..............318
Consumption statistics (on-board
computer) .......................................... 197
Control panel Above the windshield .......................38
Center console ................................ 37
Climate control ................................ 37 Index
7
Fog lamps
Switching on/off .............................. 94
Folding seat ......................................... 85
Folding table ...................................... 236
In the twin co-driver's sea t............ 236
Frequencies
Mobile phone ................................. 318
Two-way radio ................................ 318
Front fog lamps
Switching on/off .............................. 94
Front interior light
Replacing bulbs ............................. 106
Front windshield
see Windshield
Fuel
Additives (diesel )........................... 323
Consumption information ..............323
Consumption statistics ..................197
Diesel at very low outside temper-
atures ............................................ 323
Display message ............................ 215
Driving tips .................................... 154
Fuel gauge ..................................... 183
Important safety notes ..................321
Problem (malfunction) ...................149
Quality (diesel )............................... 322
Refueling ........................................ 148
Showing the range (on-board
computer with steering wheel but-
tons) .............................................. 197
Showing the range (vehicles with
steering wheel buttons) .................197
Tank content/reserve fuel .............322
Fuel filter with water separator
draining ......................................... 257
Indicator lamp ................................ 229
Fuel gauge ......................................... 183
Fuel tank Problem (malfunction) ...................149
Fuel tank content
Reserve, display message ..............215
Fuses .................................................. 283 G
Gasoline Reserve fuel warning lamp .............227
General driving tips
Driving short distances ..................155
Genuine parts .................................... 318
Glove box ........................................... 232
GTW (Gross Trailer Weight) (defini-
tion) .................................................... 305
Guarantee ............................................ 23 H
Hazard warning lamps ........................96
Headlamps Adding fluid to cleaning system .....257
Cleaning system (function) ..............96
Fogging up ....................................... 98
see Automatic headlamp mode
Headliner (cleaning instructions) ....273
Head restraints Adjusting ......................................... 86
Adjusting (rear) ................................ 86
Heating
see Climate control
Highbeam Assist
Function/notes ................................ 97
Switching Highbeam Assist on/
off .................................................. 194
High-beam headlamps
Highbeam Assist .............................. 97
Replacing bulbs ............................. 101
Switching on/off .............................. 95
Hood
Closing .......................................... .251
Display message ............................ 220
Indicator lamp ................................ 230
Opening ......................................... 250
Hydroplaning ..................................... 157 I
Immobilizer .......................................... 62
Indicator lamp see Warning and indicator lamps
Indicators
see Turn signals
Insect protection on the radiator ......28 Index
11
Pets in the vehicle
........................... 56
Seat belts ........................................ 47
Odometer
Display (vehicles without steering
wheel buttons) ............................... 184
Display (vehicles with steering
wheel buttons) ............................... 189
Off-road driving
Checklist after driving off-road ......160
Important safety notes ..................159
Rules for driving off-roa d............... 160
Oil
see Engine oil
On-board computer
Display message ............................ 199
Lighting submenu .......................... 194
On-board computer (vehicles with-
out steering wheel buttons)
Display message ............................ 199
General notes ................................ 184
Setting the clock ............................ 185
Standard displa y............................ 184
On-board computer (vehicles with
steering wheel buttons) Audio menu ................................... 189
Display message ............................ 186
Menu overview .............................. 188
Operating ...................................... .186
Operation menu ............................. 188
Settings menu ............................... 190
Standard displa y............................ 189
Telephone menu ............................ 198
Trip computer menu ......................197
Operating safety
Attachments, bodies, equipment
and conversions ............................... 27
Correct use ...................................... 26
Declaration of conformity ................25
Diagnostics connection ...................25
Digital speedometer and odome-
ter .................................................... 25
Important safety note ......................24
Limited Warranty ............................. 29
Modifying engine output ..................25
Qualified specialist workshop ..........26
Radiator cover ................................. 28
Vehicle registration ..........................23
Warning note sticker ........................26Operating system
see On-board computer
Operator's Manual
General notes .................................. 23
Vehicle equipment ...........................23
Outline lamp
Replacing bulbs ............................. 105
Outside temperature display ...........183
Overhead control panel ......................38
Overrevving range .............................183
Overrun cutoff ................................... 154 P
Paint code number ............................319
Paintwork (cleaning instructions) ...269
Paper holder ...................................... 236
Parking ............................................... 151
Important safety notes ..................151
Parking brake ................................ 152
Wheel chock .................................. 153
see PARKTRONIC
Parking aid
see PARKTRONIC
Parking brake
Display message ............................ 209
Notes/function .............................. 152
PARKTRONIC
Deactivating/activating .................170
Driving system ............................... 168
Function/notes ............................. 168
Important safety notes ..................168
Problem (malfunction) ...................171
Range of the sensors .....................168
Roll-back warning .......................... 170
Trailer towing ................................. 170
Warning displa y............................. 169
Partition sliding door
Important safety notes ....................77
Opening/closing .............................. 77
Passenger compartment air-condi-
tioning system
see Climate control
Passenger compartment heating
see Climate control
Perimeter lamp
Replacing bulbs ............................. 104
Pets in the vehicle ............................... 5614
Index
Plastic trim (cleaning instructions)
..272
Power supply Battery isolating switch .................136
Switching off .................................. 137
Switching on .................................. 137
Power take-off
Engine speed setting .....................172
Power washers .................................. 268
Power windows see Side windows
Preparing for a journey
Checks in the vehicle .....................138
Visual check of the vehicle exte-
rior ................................................. 138
Product information ............................22
Protection of the environment General notes .................................. 22
Pulling away ...................................... 139Q
Qualified specialist workshop ...........26 R
Radiator cover ..................................... 28
Radio Changing stations (vehicles with
steering wheel buttons) .................189
Setting station selection (vehicles
with steering wheel buttons) .........196
see separate operating instructions
Rain and light sensor
Setting the sensitivity (vehicles
with steering wheel buttons) .........196
Windshield wiper ........................... 107
Range (vehicles with steering
wheel buttons) .................................. 197
Rear bench seat Installing/removing (Passenger
Van) ................................................. 85
Stowage compartment (crewcab) ..235
Rear compartment
Activating/deactivating climate
control ........................................... 116
Setting the air vents ......................122Rear-compartment air-condition-
ing system
see Climate control
Rear-compartment heating
see Climate control
Rear door
Child-proof locks .............................. 55
Important safety notes ....................75
Opening/closing .............................. 75
Rear fog lamp
Replacing bulbs ............................. 103
Switching on/off .............................. 94
Rear fog lamp (Chassis Cab)
Replacing bulbs ............................. 104
Rear interior light
Replacing bulbs ............................. 106
Rear lamps
see Lights
Rear rack
Notes ............................................. 247
Rear view camera
Cleaning instructions .....................271
Important safety notes ..................171
Switching on .................................. 171
Rear-view mirror
Anti-glare mode ............................... 89
Rear window defroster
Problem (malfunction) ...................120
Switching on/off ........................... 120
Rear window wiper ...........................108
Switching on/off ........................... 108
Refilling
DEF filler neck ............................... 150
Important safety notes (Diesel
Exhaust Fluid – DEF) ......................149
Refilling procedure (Diesel
Exhaust Fluid – DEF) ......................150
Refrigerant ......................................... 330
Refueling Fuel filler fla p................................. 148
Fuel gauge ..................................... 183
Important safety notes (fuel) .........148
Refueling procedure (fuel) .............148
see Fuel
Releasing the parking lock man-
ually (automatic transmission) ........147 Index
15
Remote control
Changing the operating duration
(auxiliary heating) .......................... 126
Replacing the battery (auxiliary
heating ) ........................................ 130
Switching on/off (auxiliary heat-
ing) ................................................ 126
Synchronizing (auxiliary heating) ...126
Replacing bulbs
Important safety notes ..................100
Navigation lights ............................ 101
Replacing the battery (auxiliary
heating remote control) .................... 130
Restraint system see SRS (Supplemental Restraint
System)
Reverse warning feature ..................140
Roof carrier Maximum payloa d.......................... 331
Notes ............................................. 247
Roof load (roof carrier) .....................331 S
Safety Children in the vehicle .....................50
Child restraint systems ....................50
Safety systems
see Driving safety systems
Seat belts
Adjusting the height ......................... 48
Belt force limiters ............................ 50
Belt warning/warning lamp .............49
Cleaning ......................................... 273
Correct usage .................................. 47
Display message ............................ 209
Emergency Tensioning Devices ....... .50
Fastening ......................................... 48
Important safety guidelines .............47
Safety guidelines ............................. 43
Warning lamp ................................. 230
Seat heating ........................................ .87
Seats Adjusting lumbar support ................83
Adjusting the co-driver's sea t.......... 83
Adjusting the head restraint ............86
Armrest ............................................ 87
Cleaning the cover .........................272Correct driver's seat position ........... 82
Folding seat
..................................... 85
Important safety notes ....................82
Rear bench seat ............................... 85
Seat heating .................................... 87
Setting the driver's seat ................... 83
Swivel seat ....................................... 84
Twin co-driver's seat ........................85
Securing loads
Important safety notes ..................244
Selector lever
Cleaning ......................................... 272
Sensors (cleaning instructions) .......270
Service Center see Qualified specialist workshop
Service interval display
Calling up the service due date ...... 260
Exceeding a service due date ........260
Notes ............................................. 259
Service due date (automatic dis-
play) .............................................. .259
Service products
Brake fluid ..................................... 328
Coolant (engine) ............................ 329
Diesel ............................................ 321
Diesel Exhaust Fluid (DEF) .............324
Engine oil ....................................... 326
Fuel ................................................ 321
Important safety notes ..................320
Power steering fluid .......................328
Refrigerant ..................................... 330
Transmission oil ............................. 328
Washer fluid .................................. .330
Settings
Resetting all (vehicles with steer-
ing wheel buttons) .........................190
Resetting submenus (vehicles
with steering wheel buttons) .........191
Setting the air distribution ...............117
Setting the airflow ............................118
Setting the clock Vehicles without steering wheel
buttons .......................................... 185
Vehicles with steering wheel but-
tons ............................................... 193
Short journeys (diesel particle fil-
ter) ...................................................... 15516
Index
Switching the surround lighting
on/off (on-board computer)
.............195
Switch unit see Control panel
Swivel seat .......................................... .84T
Tachometer ........................................ 183
Tail lamps Changing ....................................... 104
Replacing bulbs ............................. 103
see Lights
Tail lamps (Chassis Cab)
Replacing bulbs ............................. 104
Tank
see Fuel tank
Tank content
Fuel gauge ..................................... 183
Range (vehicles with steering
wheel buttons) ............................... 197
Reserve fuel warning lamp .............227
Technical data
Capacities ...................................... 320
Cargo tie-down points .................... 331
Cargo tie-down rings ..................... .331
Loading rails .................................. 331
Roof carrier .................................... 331
Tires/wheels ................................. 297
Trailer tow hitch ............................. 332
Vehicle data ................................... 331
Telephone .......................................... 239
Telephone (on-board computer) Accepting an incoming call ............198
Display messages ..........................220
Numbers from the phone book ......198
Operating ...................................... .198
Redialing ........................................ 199
Rejecting or ending a call ..............198
Temperature
Outside temperature ..................... .183
Setting (climate control) ................117
Setting the unit (vehicles with
steering wheel buttons) .................191
Theft deterrent systems
ATA (Anti-Theft Alarm system) .........62
Immobilizer ...................................... 62
Tow-away alarm ............................... 63Thoraxbag
............................................ 45
Tightening torques for wheel nuts/
wheel bolts ........................................ 312
Time Setting the time (vehicles without
steering wheel buttons) .................185
Setting the time (vehicles with
steering wheel buttons) .................193
Timer
Activating ....................................... 128
Important safety notes ..................127
Overview ........................................ 127
Setting the heating level (auxiliary
heating) ......................................... 130
Setting the preselection time
(auxiliary heating) .......................... 129
Setting weekday, time and oper-
ating duration (auxiliary heating) ...128
Switching immediate heating
mode on/off (auxiliary heating) .....128
Tire pressure
Calling up (on-board computer) .....293
Checking manually ........................292
Display messages (vehicles with-
out steering wheel buttons) ...........201
Display messages (vehicles with
steering wheel buttons) .................218
Maximum ....................................... 292
Notes ............................................. 291
Recommended ............................... 290
Setting the unit (vehicles with
steering wheel buttons) .................193
Tire label ................................ 290, 291
Tire pressure loss warning system ..294
Tire pressure monitor Display message ............................ 218
Indicator lamp ................................ 229
Tire pressure monitoring system
Checking the tire pressure elec-
tronically ........................................ 294
Function/notes ............................. 293
Restarting ...................................... 295
Warning lamp ................................. 294
Tire pressure table ............................297
Tires Aspect ratio (definition) .................306
Average weight of the vehicle
occupants (definition) ....................30518
Index
Ventilation
Setting the vents ........................... 121
Voltage supply
Fuses ............................................. 283W
Warning and indicator lamps Brakes ........................................... 222
Check Engine ................................. 227
Coolant .......................................... 226
Diesel Exhaust Fluid (DEF) .............224
Electrical step ................................ 230
ESP ®
.............................................. 221
ESP ®
function ................................ 224
Overview .......................................... 35
Seat belt ........................................ 230
Warning- and indicator lamps
ABS ................................................ 221
Air filter .......................................... 228
ASR ................................................ 221
BAS ................................................ 221
Battery charge ............................... 225
Brake wear .................................... 225
Bulbs .............................................. 230
Doors ............................................. 230
Engine oil level ............................... 225
Preglow .......................................... 228
Reserve fuel ................................... 227
Tire pressure monitor ....................229
Water separator ............................. 229
Windshield washer fluid .................229
Warning lamp .................................... 277
Warning triangle ................................ 277
Washer fluid Adding ........................................... 257
Capacities ...................................... 331
Display message ............................ 220
Indicator lamp ................................ 229
Notes ............................................. 330
Wiping with .................................... 107
Wheels
Changing a wheel .......................... 307
Checking ........................................ 287
Cleaning ......................................... 269
Important safety notes ..................286
Interchanging/changing ................307
Mounting a wheel .......................... 308Removing and mounting the spare
wheel
............................................. 314
Storing ........................................... 308
Tightening torque ........................... 312
Window curtain air bag ....................... 46
Windows see Side windows
Windshield
Defrosting ...................................... 118
Windshield heating
Problem (malfunction) ...................119
Switching on/off ........................... 119
Windshield washer fluid
Adding ........................................... 257
Indicator lamp ................................ 229
Windshield wipers
Problem (malfunction) ...................110
Rain and light sensor .....................107
Rear window wiper ........................108
Replacing the wiper blades ............108
Setting the sensitivity (vehicles
with steering wheel buttons and
rain/light sensor) ........................... 196
Switching on/off ........................... 107
Wiping with windshield washer
fluid ............................................... 107
Winter diesel ..................................... 323
Winter driving Slippery road surfaces ...................158
Snow chains .................................. 289
Winter operation
General notes ................................ 288
Radiator cover ................................. 28
Winter tires
M+S tires ....................................... 288
Setting a limit speed ......................155
Wiper blades
Cleaning ......................................... 270
Replacing ....................................... 108
Workshop
see Qualified specialist workshop Index
21