2014 MERCEDES-BENZ B-CLASS HATCHBACK service

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Welcome to the world of Mercedes-Benz
Before you first drive off, read this Owner's
Manual carefully and familiarise yourself with
your vehicle. For your own safety and a longer
vehicle life, follow the instructions and warn-
ing notices in this manual. Disregarding them may lead to damage to the vehicle or personal
injury.
The equipment or model designation of your
vehicle may vary according to:
R model
R order
R country variant
R availability
The illustrations in this manual show a left-
hand-drive vehicle. On right-hand-drive vehi-
cles, the layout of components and controls
differs accordingly.
Mercedes-Benz is constantly updating its
vehicles to the state of the art.
Mercedes-Benz therefore reserves the right
to introduce changes in the following areas:
R design
R equipment
R technical features
The equipment in your vehicle may therefore
differ from that shown in the descriptions and
illustrations.
The following are integral components of the vehicle:
R Owner's Manual
R Service Booklet
R equipment-dependent supplements
Keep these documents in the vehicle at all
times. If you sell the vehicle, always pass all of
the documents on to the new owner.
i You can get to know the important fea-
tures of your vehicle in the interactive Own-
er's Manual on the Internet at:
http://www.mercedes-benz.de/
betriebsanleitung
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Please note that the Mercedes-Benz Guides
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The technical documentation team at
Daimler AG wishes you safe and pleasant
motoring.
2465843900Z102 É2465843900Z1023ËÍ

1, 2, 3 ...
4ETS (Electronic Traction System) see ETS/4ETS (Electronic Trac-
tion System)
4MATIC
Display message ............................ 280
4MATIC (permanent four-wheel
drive) .................................................. 203
12 V socket
see Sockets A
ABS (Anti-lock Braking System) Display message ............................ 252
Function/notes ................................ 73
Important safety notes .................... 73
Warning lamp .................................2 87
Accident
Automatic measures after an acci-
dent ................................................. 57
Activating/deactivating air-recir-
culation mode ................................... .148
Activating/deactivating cooling
with air dehumidification ................. 142
Active Parking Assist
Detecting parking spaces .............. 207
Display message ............................ 273
Exiting a parking space .................. 210
Function/notes ............................ .206
Important safety notes .................. 206
Parking .......................................... 208
Towing a trailer .............................. 206
ADAPTIVE BRAKE ................................. 79
Adaptive Brake Assist
Function/notes ................................ 76
Adaptive brake lights .......................... 77
Adaptive Highbeam Assist
Display message ............................ 268
Function/notes ............................ .126
Switching on/off ........................... 126
Additional speedometer ................... 246
Additives (engine oil) ........................ 391
Adjusting the headlamp range ......... 124
Air conditioning
General notes ................................ 138
Air filter (white display message) .... 271Air vents
Important safety notes .................. 155
Rear ............................................... 156
Setting the centre air vents ........... 156
Setting the side air vents .............. .156
Air-conditioning system
see Climate control
Airbag
Automatic front-passenger front
airbag deactivatio n .......................... 49
Introduction ..................................... 46
PASSENGER AIR BAG indicator
lamps ............................................... 41
Airbags
Display message ............................ 264
Front airbag (driver, front
passenger) ....................................... 47
Important safety guidelines ............. 46
Kneebag .......................................... .48
Sidebag ............................................ 48
Triggering ......................................... 54
Windowbag ...................................... 49
Alarm
ATA (Anti-Theft Alarm system) ......... 80
Switching off (ATA) .......................... 80
Switching the function on/off
(ATA) ................................................ 80
Animals in the vehicle ......................... 73
Anti-glare film .................................... 315
Aquaplaning ....................................... 187
Ashtray ............................................... 311
Assistance display (on-board com-
puter) .................................................. 243
Assistance menu (on-board com-
puter) .................................................. 242
ASSYST PLUS
Displaying a service message ........ 323
Driving abroad ............................... 324
Hiding a service message .............. 323
Information about Service ............. 323
Resetting the service interval dis-
play ................................................ 323
Service message ............................ 323
Special service requirements ......... 324
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 80
Function ........................................... 80 4
Index

Diesel
.................................................. 389
Digital speedometer .........................237
Dipped-beam headlamps
Changing bulbs .............................. 129
Display message ............................ 265
Setting for driving abroad (sym-
metrical) ........................................ 122
Switching on/off ........................... 123
DIRECT SELECT lever
Automatic transmission ................. 170
Display message
Driving systems ............................ .271
Display messages
ASSYST PLUS ................................ 323
Calling up (on-board computer) ..... 251
Engine ............................................ 268
General information ....................... 251
Hiding (on-board computer) ........... 251
Key ................................................ 283
Lights ............................................. 265
Safety systems .............................. 252
Tyres .............................................. 276
Vehicle .......................................... .278
Distance display (on-board com-
puter) ................................................. .242
Distance warning function
Function/notes ................................ 75
Warning lamp ................................. 295
Distance warning signal (warning
lamp) ................................................. .295
DISTRONIC PLUS
Activation conditions ..................... 195
Cruise control lever ....................... 194
Deactivating ................................... 198
Display message ............................ 274
Displays in the multifunction dis-
play ................................................ 198
Driving tips ................................... .200
Function/notes ............................ .193
Important safety notes .................. 193
Selecting ........................................ 194
Setting the specified minimum
distance ......................................... 197
Door
Automatic locking (on-board com-
puter) ............................................. 247
Automatic locking (switch) .............. .95
Central locking/unlocking (key) ...... 87 Control panel ..................................
.35
Display message ............................ 281
Emergency locking ........................... 96
Emergency unlocking ....................... 95
Important safety note s.................... 93
Opening (from the inside) ................ 93
Drive program
Automatic ...................................... 174
Display (DIRECT SELECT lever) ...... 170
Manual ........................................... 175
Driver's door
see Door
Driving abroad
Mercedes-Benz Service ................. 324
Symmetrical dipped beam ............. 122
Driving on flooded roads .................. 187
Driving safety system
COLLISION PREVENTION ASSIST
PLUS ................................................ 74
EBD (electronic brake force distri-bution) ............................................. 79
STEER CONTROL ............................. 79
Driving safety systems
ABS (Anti-lock Braking System) ....... 73
ADAPTIVE BRAK E............................. 79
Adaptive Brake Assist ...................... 76
Adaptive brake lights ....................... 77
BAS (Brake Assist System) .............. 74
Distance warning function ............... 75
ESP ®
(Electronic Stability Pro-
gram) ............................................... 77
ETS/4ETS (Electronic Traction
System) ........................................... 77
Important safety guidelines ............. 73
Overview .......................................... 73
Driving systems
Active Parking Assist ..................... 206
ATTENTION ASSIST ........................ 216
Blind Spot Assist ............................ 221
Cruise control ................................ 188
Display message ............................ 271
Distronic Plus ................................ 193
HOLD function ............................... 201
Lane Keeping Assist ...................... 223
Lane package ................................ 220
PARKTRONIC ................................. 203
Reversing camera .......................... 211
SPEEDTRONIC ............................... 191 8
Index

Luggage compartment enlarge-
ment
.................................................. .302
Luggage compartment floor
Adjusting the height ....................... 308
Important safety notes .................. 308
opening/closing ............................ 308
stowage well, unde r....................... 308
Lumbar support
Adjusting the 4-way lumbar sup-
port ................................................ 112 M
M+S tyres ........................................... 354
Main-beam headlamps
Adaptive Highbeam Assist ............. 126
Changing bulb s.............................. 130
Display message ............................ 266
Switching on/of f........................... 125
Manual transmission
Engaging reverse gear ................... 169
Gear lever ...................................... 168
Pulling away ................................... 162
Shift recommendation ................... 169
Shifting to neutral .......................... 169
Starting the engine ........................ 161
Matt finish (cleaning instructions) .. 326
Memory card (audio) ......................... 240
Memory function ............................... 118
Mercedes-Benz emergency call
system
Switch in the overhead control
panel .............................................. 313
Mercedes-Benz Intelligent Drive
Traffic Sign Assist .......................... 218
Mercedes-Benz Service Centre
see Qualified specialist workshop
Message memory (on-board com-
puter) .................................................. 251
Messages
see Display messages
Mirror turn signal
Cleaning ......................................... 328
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in sun visor) Mobile phone
Frequencies ................................... 384
Installation ..................................... 384
Menu (on-board computer) ............ 240
Notes/placing in the bracket ......... 314
Transmission output (maximum) .... 384
Mobile telephone
Pre-installed bracket ...................... 315
Modifying the programming (key) ..... 88
MOExtended tyres ............................. 334
MP3
Operating ....................................... 240
Multifunction display
Function/note s............................. 235
Permanent display ......................... 246
Multifunction steering wheel
Operating the on-board compute r..2 33
Overview .......................................... 32 N
Navigation Menu (on-board computer) ............ 237
Notes on running in a new vehicle .. 158 O
Occupant safety Automatic front-passenger front
airbag deactivatio n .......................... 49
Automatic measures after an acci-
dent ................................................. 57
Children in the vehicle ..................... 57
Important safety notes .................... 41
PASSENGER AIRBAG indicator
lamp ................................................. 41
Pets in the vehicle ........................... 73
PRE-SAFE ®
(anticipatory occu-
pant protection) ............................... 56
Restraint system introduction .......... 40
Restraint system warning lamp ....... .41
Seat belts ........................................ 42
Odometer ........................................... 236
On-board computer
Assistance graphic menu ............... 243
Assistance menu ........................... 242
Audio menu ................................... 239
Convenience submenu .................. 249 Index
13

Display message
s.......................... 251
Displaying a service message ........ 323
DISTRONIC PLUS ........................... 198
Factory settings ............................. 249
Heating submenu ........................... 248
Important safety notes .................. 232
Instrument cluster submenu .......... 246
Light submenu ............................... 246
Menu overview .............................. 236
Message memory .......................... 251
Navigation menu ............................ 237
Operating video DVD ..................... 240
Operation ....................................... 233
Service menu ................................. 245
Settings menu ............................... 245
Standard display ............................ 236
Telephone menu ............................ 240
Trip menu ...................................... 236
Vehicle submenu ........................... 247
Opening and closing the side trim
panels ................................................. 131
Operating instructions
Vehicle equipment ........................... 22
Operating safety
Declaration of conformity ................ 23
Important safety note ...................... 22
Operating system
see On-board computer
Outside temperature display ........... 233
Overhead control panel ...................... 36
Override feature
Rear side window s........................... 72 P
Paint code .......................................... 386
Paintwork (cleaning instructions) ... 326
Panic alarm .......................................... 40
Panorama sliding sunroof
Important safety information ......... 102
Operating ....................................... 103
Problem (malfunction) ................... 106
Parking
Important safety notes .................. 181
Parking brake ................................ 182
Position of exterior mirror, front-
passenger side ............................... 117
Reversing camera .......................... 211 see Active Parking Assist
see PARKTRONIC
Parking aid
Active Parking Assist ..................... 206
see Exterior mirrors
see PARKTRONIC
Parking brake
Display message ............................ 255
Electric parking brake .................... 182
Warning lamp ................................. 292
Parking lamps
Display message ............................ 267
Switching on/of f........................... 124
PARKTRONIC
Deactivating/activating ................. 205
Driving system ............................... 203
Function/note s............................. 203
Important safety notes .................. 203
Problem (fault) ............................... 206
Sensor rang e................................. 203
Warning display ............................. 204
PASSENGER AIR BAG
Display message ............................ 264
Indicator lamps ................................ 41
Problems (malfunction) .................. 264
Petrol .................................................. 388
Pets in the vehicle ............................... 73
Plastic trim (cleaning instruc-
tions) .................................................. 329
Power windows
see Side windows
PRE-SAFE ®
(anticipatory occupant
protection)
Operation ......................................... 56
PRE-SAFE ®
(preventive occupant
safety system)
Display message ............................ 260
Program selector button .................. 174
Protection against theft
ATA (Anti-Theft Alarm system )......... 80
Immobiliser ...................................... 80
Interior motion sensor ..................... 82
Tow-away protection ........................ 81
Protection of the environment
General notes .................................. 21
Pulling away
Automatic transmission ................. 162 14
Index

Reversing lamp
Changing bulb s.............................. 131
Reversing lamps
Display message ............................ 267
Roller sunblind
Opening/closing ............................ 105
Panorama sliding sunroof .............. 104
Roof carrier ........................................ 309
Roof lining and carpets (cleaning
instructions) ...................................... 330
Roof load (maximum) ........................ 393S
Safety Children in the vehicle ..................... 57
Safety net
Attaching ....................................... 307
Important safety information ......... 307
Seat
Folding the backrest (rear com-
partment) forwards/back (vehi-
cles with the EASY-VARIO-PLUS
system) .......................................... 303
Folding the backrest (rear com-
partment) forwards/back (vehi-
cles without the EASY-VARIO-
PLUS system) ................................ 303
Seat belt
Centre rear-compartment sea t........ 45
Correct usage .................................. 43
Switching belt adjustment on/off
(on-board computer) ...................... 249
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 45
Adjusting the height ......................... 44
Cleaning ......................................... 330
Display message ............................ 260
Fastening ......................................... 44
Important safety guidelines ............. 42
Introduction ..................................... 42
Rear seat belt status indicator ......... 46
Releasing ......................................... 45
Warning lamp ................................. 285
Warning lamp (function) ................... 45
Seats
Adjusting (electrically) ................... 110 Adjusting (manually) ...................... 110
Adjusting the 4-way lumbar sup-
port ................................................ 112
Adjusting the head restraint .......... 110
Cleaning the cover ......................... 330
Correct driver's seat position ........ 108
Important safety notes .................. 109
Seat heating problem .................... 114
Storing settings (memory func-
tion) ............................................... 118
Switching seat heating on/of
f....... 112
Securing luggage ............................... 305
Selector lever
Cleaning ......................................... 329
Sensors (cleaning instructions) ....... 328
Service menu (on-board com-
puter) .................................................. 245
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 392
Coolant (engine) ............................ 392
Engine oil ....................................... 390
Fuel ................................................ 386
Important safety notes .................. 386
Washer fluid ................................... 393
Setting the air distribution ............... 145
Setting the airflow ............................ 145
Settings
Factory (on-board computer) ......... 249
On-board compute r....................... 245
Shifting to neutral (manual trans-
mission) ............................................. 169
Side head restraints
Integrated child seat ........................ 64
Side lamps
Switching on/of f........................... 124
Side windows
Convenience closing ........................ 99
Convenience opening ...................... 99
Important safety notes .................... 98
Opening/closing .............................. 98
Problem (malfunction) ................... 102
Resetting ....................................... 100
Reversing feature ............................. 98
Sidebag ................................................ 48 16
Index

Two-way radio
Frequencies ................................... 384
Installation ..................................... 384
Transmission output (maximum) .... 384
Type identification plate
see Vehicle identification plate
Tyre pressure
Calling up (on-board computer) ..... 358
Display message ............................ 276
Important safety notes .................. 358
Not reached (TIREFIT) .................... 337
Reached (TIREFIT) .......................... 337
Recommended ............................... 356
Tyre pressure loss warning
General notes ................................ 357
Important safety notes .................. 357
Restarting ...................................... 358
Tyre pressure monitor
Checking the tyre pressure elec-
tronically ........................................ 359
Function/note s............................. 358
General notes ................................ 358
Important safety notes .................. 358
Radio type approval for the tyre
pressure monitor ........................... 361
Restarting ...................................... 360
Warning lamp ................................. 296
Warning message .......................... 360
Tyres
Changing a whee l.......................... 361
Checking ........................................ 353
Direction of rotation ...................... 362
Display message ............................ 276
General notes ................................ 366
Important safety notes .................. 352
Information on driving .................... 352
M+S tyres ...................................... 354
MOExtended tyre s......................... 354
Replacing ....................................... 361
Service life ..................................... 353
Storing ........................................... 362
Summer tyres ................................ 354
Tyre size (data ).............................. 366
Tyre tread ...................................... 353
Wheel and tyre combinations ........ 368
see Flat tyre U
Unlocking Emergency unlocking ....................... 95
From inside the vehicle (central
unlocking button) ............................. 94 V
Vanity mirror (in sun visor) .............. 311
Variable SPEEDTRONIC
see SPEEDTRONIC
Vehicle
Correct use ...................................... 24
Data acquisition ............................... 25
Display message ............................ 278
Electronics ..................................... 384
Equipment ....................................... 22
Implied warranty .............................. 24
Individual settings .......................... 245
Leaving parked up ......................... 184
Locking (in an emergency) ............... 96
Locking (key) ................................... 87
Lowering ........................................ 365
Pulling away ................................... 162
Raising ........................................... 363
Registration ..................................... 24
Securing from rolling away ............ 363
Transporting .................................. 347
Unlocking (in an emergency) ........... 95
Unlocking (key) ................................ 87
Vehicle data ................................... 393
Vehicle data
Boot load (maximum) ..................... 393
Roof load (maximum) ..................... 393
Vehicle dimensions ........................... 393
Vehicle emergency locking ................ 96
Vehicle identification number
see VIN
Vehicle identification plate .............. 386
Vehicle tool kit .................................. 333
Ventilation
Setting the vents ........................... 155
Video
Operating the DVD ......................... 240
VIN ...................................................... 386 Index
19