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
Standard display (vehicles with-
out steering wheel buttons)
...........184
Standard display (vehicles with
steering wheel buttons) .................189
see Warning and indicator lamps
Display messages
Calling up the message memory ....200
Driving systems ............................. 216
Engine ............................................ 213
Important safety notes ..................199
Lights ............................................ .210
Safety systems .............................. 206
SmartKey ....................................... 220
Tires ............................................... 218
Vehicle .......................................... .219
Distance recorder ............................. 189
see Odometer
see Trip odometer
Distance warning function
Activating/deactivating ...................59
Function/notes ................................ 58
Warning lamp ................................... 59
Door lock
see Central locking
Doors
Central locking/unlocking
(SmartKey) ....................................... 66
Control panel ................................... 39
Display message ............................ 220
Indicator lamp ................................ 230
Drinking and driving .........................154
Drinks holder see Bottle holder
see Cup holder
Driver's/co-driver's door
Unlocking ......................................... 72
Driver's seat
see Seats
Driving abroad ................................... 155
Driving off-road see Off-road driving
Driving on flooded roads ..................157
Driving on rough terrain Checklist before driving off-road .... 160
Driving safety systems
ABS (Anti-lock Braking System) .......56
Adaptive Brake Assist ......................59
ASR (Acceleration Skid Control )...... 60 BAS (Brake Assist System)
..............57
Distance warning function ...............58
EBD (electronic brake force distri-
bution) ............................................. 57
Important safety information ...........56
Overview .......................................... 56
Driving systems
Blind Spot Assist ............................ 164
Cruise control ................................ 161
Display message ............................ 216
Lane Keeping Assist ......................166
PARKTRONIC ................................. 168
Driving tips
Automatic transmission .................146
Brakes ........................................... 156
Break-in period .............................. 136
Downhill gradient ........................... 156
Drinking and driving .......................154
Driving abroad ............................... 155
Driving in winter ............................ .158
Driving on flooded roads ................157
Driving on wet roads ......................157
Exhaust check ............................... 154
Fuel ................................................ 154
General .......................................... 153
Hydroplaning ................................. 157
Icy road surfaces ........................... 158
Important safety notes ..................136
Limited braking efficiency on
salted road s................................... 157
Off-road driving .............................. 159
Overrun cut-off .............................. 154
Snow chains .................................. 289
Speed limitation ............................ .155
Towing a trailer .............................. 173
Transport by rail ............................ .156
Wet road surface ........................... 156 E
EBD (electronic brake force distri-
bution) Display message ............................ 208
Function/notes ................................ 57
Indicator lamps .............................. 221
ECO Start (Euro 6 engines)
General notes ................................ 140
Electrical closing assist ......................73 Index
9
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
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
Bar (definition)
............................... 304
Changing a wheel .......................... 307
Characteristics .............................. 304
Checking ........................................ 287
Definition of terms .........................304
Direction of rotatio n...................... 308
Distribution of the vehicle occu-
pants (definition) ............................ 307
DOT, Tire Identification Number
(TIN) .............................................. .304
DOT (Department of Transporta-
tion) (definition) ............................. 305
GAWR (Gross Axle Weight Rating)
(definition) ..................................... 305
GTW (Gross Trailer Weight) (defi-
nition) ............................................ 305
GVW (Gross Vehicle Weight) (def-
inition) ........................................... 305
GVWR (Gross Vehicle Weight Rat-
ing) (definition) .............................. 305
Important safety notes ..................286
Increased vehicle weight due to
optional equipment (definition) ......305
Kilopascal (kPa) (definition) ...........305
Labeling (overview )........................ 301
Load bearing index (definition) ......306
Load index ..................................... 303
Load index (definition) ...................306
M+S tires ....................................... 288
Maximum loaded vehicle weight
(definition) ..................................... 305
Maximum load on a tire (defini-
tion) ............................................... 306
Maximum permissible tire pres-
sure (definition) ............................. 306
Maximum tire loa d......................... 303
Maximum tire load (definition) .......306
Optional equipment weight (defi-
nition) ............................................ 306
PSI (pounds per square inch) (def-
inition) ........................................... 306
Replacing ....................................... 307
Service life ..................................... 288
Sidewall (definition) .......................306
Speed rating (definition) ................305
Storing ........................................... 308
Structure and characteristics
(definition) ..................................... 304Summer tires
................................. 288
TIN (Tire Identification Number)
(definition) ..................................... 306
Tire bead (definition) ......................306
Tire pressure (definition) ................306
Tire pressures (recommended )...... 305
Tire size (data) ............................... 297
Tire size designation, load-bearing
capacity, speed rating .................... 302
Tire tread ....................................... 287
Tire tread (definition) .....................306
Total load limit (definition) .............307
Traction (definition) .......................307
TWR (permissible trailer drawbar
noseweight) (definition) .................307
Uniform Tire Quality Grading
Standards (definition) ....................305
Unladen weight (definition) ............306
valve, Snap-In ................................ 292
Wear indicator (definition) .............307
Wheel rim (definition) ....................305
Top Tether ............................................ 53
Touchshift (automatic transmis-
sion) .................................................... 145
Tow-away alarm Arming/deactivating ........................63
Deactivating .................................... .63
Operation ........................................ .63
Towing
If the vehicle is stuck .....................282
Important safety guidelines ...........279
Installing/removing the towing
eye ................................................ .280
In the event of malfunctions ..........281
With a raised front or rear axle ......281
Towing a trailer
Axle load, permissible ....................333
Cleaning the trailer tow hitch ......... 271
Coupling up a trailer ......................176
Decoupling a trailer .......................177
Driving tips .................................... 173
Important safety notes ..................173
Installing and removing the ball
coupling ......................................... 175
Notes on retrofitting ......................332
Power supply ................................. 179
Trailer loads ................................... 333 Index
19
Towing away
With both axles on the ground .......282
Tow-starting
Emergency engine starting ............282
Important safety notes ..................279
Trailer
Brake force booster malfunction ...222
Trailer coupling
see Trailer tow hitch
Trailer loads and drawbar nose-
weights ............................................... 178
Trailer towing Blind Spot Assist ............................ 166
PARKTRONIC ................................. 170
Permissible trailer loads and
drawbar noseweights .....................178
Transmission
see Automatic transmission
Transmission oil ................................ 328
Transport Loading guidelines .........................242
Vehicle .......................................... .282
Transportation
Rail ................................................ 156
Transport by rail ................................ 156
Transporting Load distribution ............................ 244
Securing a loa d.............................. 244
Trim pieces (cleaning instructions) ..272
Trip computer (on-board com-
puter) ................................................. .197
Trip meter see Trip odometer
Trip odometer
Display (vehicles without steering
wheel buttons) ............................... 184
Display (vehicles with steering
wheel buttons) ............................... 189
Resetting ....................................... 183
see Trip computer (on-board com-
puter)
Turn signals
Replacing bulbs (front) ................... 102
Replacing bulbs (rear) ....................103
Switching on/off .............................. 95
Turn signals (Chassis Cab)
Replacing bulbs (rear) ....................104Twin co-driver's seat
Folding table .................................. 236
Stowage compartment ..................235
Two-way radios
Type approval/frequency ..............318
TWR (Tongue Weight Rating) (defi-
nition) ................................................. 307 U
Unlocking From inside the vehicle (central
unlocking button) ............................. 71
USB port ............................................. 240 V
Vehicle Correct use ...................................... 26
Data acquisition ............................... 29
Display message ............................ 219
Electronics ..................................... 318
Equipment ....................................... 23
Individual settings (vehicles with
steering wheel buttons) .................190
Limited Warranty ............................. 29
Loading .......................................... 298
Locking (SmartKey) .......................... 66
Lowering ........................................ 312
Maintenance .................................... 23
Operating safety .............................. 24
Parking for a long period ................ 153
Pulling away ................................... 139
Raising ........................................... 309
Registration ..................................... 23
Reporting problems .........................28
Securing from rolling away ............151
Towing away .................................. 279
Transporting .................................. 282
Unlocking (SmartKey) ......................66
Vehicle battery
see Battery (vehicle)
Vehicle bodies
General notes .................................. 27
Vehicle data ....................................... 331
Vehicle identification number .......... 319
Vehicle identification plate ..............319
Vehicle tool kit .................................. 27620
Index