2015 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 Man- ual carefully and familiarise yourself with your
vehicle. For your own safety and a longer vehicle
life, follow the instructions and warning 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 vehicles, the
layout of components and controls differs
accordingly.
Mercedes-Benz is constantly updating its vehi-
cles 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 features
of your vehicle in the interactive Owner's
Manual on the Internet at:
http://www.mercedes-benz.de/
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The technical documentation team at
Daimler AG wishes you safe and pleasant motor-ing.
2425846900Z102 É2425846900Z102<ËÍ

1, 2, 3 ...
12 V socket see Sockets A
ABS (Anti-lock Braking System) Display message ............................ 190
Function/notes ................................ 61
Important safety notes .................... 62
Warning lamp .................................2 16
Accident
Automatic measures after an acci-
dent ................................................. 48
Activating/deactivating air-recir-
culation mode ................................... .120
Activating/deactivating cooling
with air dehumidification ................. 116
Active light function ......................... 100
Active Parking Assist
Detecting parking spaces .............. 159
Display message ............................ 206
Exiting a parking space .................. 160
Function/notes ............................ .158
Important safety notes .................. 158
Parking .......................................... 159
ADAPTIVE BRAKE ................................. 67
Adaptive Brake Assist
Function/notes ................................ 64
Adaptive brake lights .......................... 65
Adaptive Highbeam Assist
Display message ............................ 203
Function/notes ............................ .101
Switching on/off ........................... 102
Additional speedometer ................... 186
Adjusting the headlamp range ........... 99
Aerial .................................................... 22
Air conditioning
General notes ................................ 114
Air pressure
see Tyre pressure
Air vents
Important safety notes .................. 123
Rear ............................................... 124
Setting the centre air vents ........... 123
Setting the side air vents .............. .123 Air-conditioning system
see Climate control
Airbag
Automatic front-passenger front
airbag deactivatio n .......................... 42
Introduction ..................................... 39
PASSENGER AIR BAG indicator
lamps ............................................... 35
Airbags
Display message ............................ 199
Front airbag (driver, front
passenger) ....................................... 40
Important safety guidelines ............. 39
Kneebag .......................................... .41
Sidebag ............................................ 41
Triggering ......................................... 46
Windowbag ...................................... 42
Alarm
ATA (Anti-Theft Alarm system) ......... 68
Switching off (ATA) .......................... 68
Switching the function on/off
(ATA) ................................................ 68
Alarm system
see ATA (Anti-Theft Alarm system)
Anti-glare film .................................... 238
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Aquaplaning ....................................... 150
Ashtray ............................................... 234
Assistance display (on-board com-
puter) .................................................. 182
Assistance menu (on-board com-
puter) .................................................. 182
ASSYST PLUS
Displaying a service message ........ 242
Driving abroad ............................... 242
Hiding a service message .............. 242
Information about Service ............. 242
Resetting the service interval dis-
play ................................................ 242
Service message ............................ 241
Special service requirements ......... 242
ATA (Anti-Theft Alarm system)
Activating/deactivating ................... 68
Function ........................................... 68 Index
3

Display
High-voltage battery charge level
(instrument cluster) ...................... .174
Display message
Drive system .................................. 204
Driving systems ............................ .205
Display messages
ASSYST PLUS ................................ 241
Calling up (on-board computer) ..... 189
General information ....................... 189
Hiding (on-board computer) ........... 189
Key ................................................ 212
Lights ............................................. 201
Safety systems .............................. 190
Tyres .............................................. 209
Vehicle .......................................... .210
Displaying electrical consumption
(on-board computer) ......................... 178
Displaying energy consumption
(on-board computer) ......................... 178
Distance warning function
Function/notes ................................ 63
Warning lamp ................................. 222
Distance warning signal (warning
lamp) ................................................. .222
Door
Automatic locking (on-board com-
puter) ............................................. 187
Automatic locking (switch) .............. .79
Central locking/unlocking (key) ...... 72
Control panel .................................. .32
Display message ............................ 211
Emergency locking ........................... 80
Emergency unlocking ....................... 80
Important safety note s.................... 78
Opening (from the inside) ................ 78
Drive system
Jump-starting ................................. 258
Starting with the key ...................... 128
Starting with the Start/Stop but-
ton ................................................. 127
Switching off .................................. 145
Driver's door
see Door
Driving abroad
Mercedes-Benz Service ................. 242
Symmetrical dipped beam ............... 97
Driving on flooded roads .................. 150Driving safety system
COLLISION PREVENTION ASSIST
PLUS ................................................ 62
EBD (electronic brake force distri-bution) ............................................. 66
STEER CONTROL ............................. 67
Driving safety systems
ABS (Anti-lock Braking System) ....... 61
ADAPTIVE BRAK E............................. 67
Adaptive Brake Assist ...................... 64
Adaptive brake lights ....................... 65
BAS (Brake Assist System) .............. 62
Distance warning function ............... 63
ESP ®
(Electronic Stability Pro-
gram) ............................................... 65
Important safety guidelines ............. 61
Overview .......................................... 61
Driving systems
Active Parking Assist ..................... 158
ATTENTION ASSIST ........................ 165
Blind Spot Assist ............................ 169
Cruise control ................................ 150
Display message ............................ 205
HOLD function ............................... 154
Lane Keeping Assist ...................... 170
Lane package ................................ 168
PARKTRONIC ................................. 155
Reversing camera .......................... 162
SPEEDTRONIC ............................... 152
Traffic Sign Assist .......................... 166
Driving tips
Aquaplaning ................................... 150
Brakes ........................................... 148
Downhill gradient ........................... 149
Driving abroad ................................. 97
Driving in winter ............................. 150
Driving on flooded roads ................ 150
Driving on wet roads ...................... 150
Energ y........................................... 148
General .......................................... 147
Icy road surfaces ........................... 150
Limited braking efficiency on sal-
ted roads ....................................... 149
New brake pads/linings ................ 149
Running-in tip s............................... 125
Snow chains .................................. 269
Symmetrical dipped beam ............... 97
Wet road surface ........................... 149 Index
7

Motorway mode ............................. 101
Parking lamps ..................................98
Rear foglamp .................................. .98
Setting exterior lighting ................... 97
Side lamps ....................................... 98
Switching the daytime driving
lights on/off (on-board com-
puter) ............................................. 186
Turn signals ..................................... 99
LIM indicator lamp
Cruise control ................................ 151
Variable SPEEDTRONIC ................. 153
Limiting the speed
see SPEEDTRONIC
Loading guidelines ............................ 224
Locking
see Central locking
Locking (doors)
Automatic ........................................ 79
Emergency locking ........................... 80
From inside (central locking but-
ton) .................................................. 79
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 187
Luggage compartment cover
Fitting/removing ........................... 230
Important safety notes .................. 229
Notes/function .............................. 229
Luggage compartment enlarge-
ment ................................................... 228
Luggage compartment floor
Adjusting the height ....................... 232
Important safety notes .................. 231
opening/closing ............................ 231
stowage well, under ....................... 231
Lumbar support
Adjusting the 4-way lumbar sup-
port .................................................. 90 M
M+S tyres ........................................... 268
Main-beam headlamps
Adaptive Highbeam Assist ............. 101
Changing bulb s.............................. 105
Display message ............................ 202 Switching on/of
f.............................. 99
Map (Navigation)
Switching the range on the map
on/off ............................................ 138
Matt finish (cleaning instructions) .. 244
Maximum charge current
Setting (charging cable) ................. 140
Memory card (audio) ......................... 180
Memory function ................................. 96
Mercedes-Benz emergency call
system
Switch in the overhead control
panel .............................................. 236
Mercedes-Benz Intelligent Drive
Traffic Sign Assist .......................... 166
Mercedes-Benz Service Centre
see Qualified specialist workshop
Message memory (on-board com-
puter) .................................................. 189
Messages
see Display messages
Mirror turn signal
Cleaning ......................................... 245
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in sun visor)
Mobile phone
Frequencies ................................... 280
Installation ..................................... 280
Menu (on-board computer) ............ 181
Notes/placing in the bracket ......... 236
Transmission output (maximum) .... 280
Mobile telephone
Pre-installed bracket ...................... 238
Modifying the programming (key) ..... 73
MOExtended tyres ............................. 250
Motorway mode ................................ 101
MP3
Operating ....................................... 180
Multifunction display
Function/note s............................. 175
Permanent display ......................... 186
Multifunction steering wheel
Operating the on-board compute r..1 74
Overview .......................................... 29 Index
11

N
Navigation Menu (on-board computer) ............ 178
Notes on running in a new vehicle .. 125O
Occupant safety Automatic front-passenger front
airbag deactivation .......................... 42
Automatic measures after an acci-
dent ................................................. 48
Children in the vehicle ..................... 49
Important safety note s.................... 34
PASSENGER AIRBAG indicator
lamp ................................................. 35
Pets in the vehicle ........................... 61
PRE-SAFE ®
(anticipatory occu-
pant protection) ............................... 48
Restraint system introduction .......... 34
Restraint system warning lamp ........ 34
Seat belts ........................................ 35
Odometer ........................................... 176
On-board computer
Assistance graphic menu ............... 182
Assistance menu ........................... 182
Audio menu ................................... 180
Convenience submenu .................. 188
Display messages .......................... 189
Displaying a service message ........ 242
E‑CELL menu ................................. 184
Factory settings ............................. 188
Important safety notes .................. 172
Instrument cluster submenu .......... 186
Light submenu ............................... 186
Menu overview .............................. 176
Message memory .......................... 189
Navigation menu ............................ 178
Operating video DVD ..................... 180
Operation ....................................... 174
Service menu ................................. 184
Settings menu ............................... 184
Standard display ............................ 176
Telephone menu ............................ 181
Trip menu ...................................... 176
Vehicle submenu ........................... 187 Opening and closing the side trim
panels
................................................. 106
Operating instructions
Vehicle equipment ........................... 20
Operating safety
Declaration of conformity ................ 22
Important safety note ...................... 20
Operating system
see On-board computer
Outside temperature display ........... 172
Overhead control panel ...................... 33
Override feature
Rear side window s........................... 61 P
Paint code .......................................... 281
Paintwork (cleaning instructions) ... 244
Parking
Important safety notes .................. 145
Parking brake ................................ 146
Position of exterior mirror, front-
passenger side ................................. 95
Reversing camera .......................... 162
see Active Parking Assist
see PARKTRONIC
Parking aid
Active Parking Assist ..................... 158
see Exterior mirrors
see PARKTRONIC
Parking assistance
see PARKTRONIC
Parking brake
Display message ............................ 193
Electric parking brake .................... 146
Warning lamp ................................. 222
Parking lamps
Changing bulb s.............................. 106
Display message ............................ 202
Switching on/of f.............................. 98
Parking lamps (changing bulbs) ...... 106
PARKTRONIC
Deactivating/activating ................. 157
Driving system ............................... 155
Function/note s............................. 155
Important safety notes .................. 155
Problem (fault) ............................... 158
Sensor range ................................. 156 12
Index

Displays in the Audio displa
y......... 162
Displays in the COMAND display ... 162
Function/note s............................. 162
Switching on/of f........................... 162
Reversing feature
Side windows ................................... 82
Reversing lamp
Changing bulb s.............................. 107
Reversing lamps
Display message ............................ 202
Roof carrier ........................................ 232
Roof lining and carpets (cleaning
instructions) ...................................... 247
Roof load (maximum) ........................ 284S
Safety Children in the vehicle ..................... 49
Safety net
Attaching ....................................... 230
Important safety information ......... 230
Safety system
see Driving safety systems
Seat
Folding the backrest (rear com-
partment) forwards/back .............. 228
Seat belt
Centre rear-compartment sea t........ 38
Correct usage .................................. 37
Switching belt adjustment on/off
(on-board computer) ...................... 188
Seat belts
Adjusting the driver's and front-
passenger seat belt ......................... 38
Adjusting the height ......................... 37
Cleaning ......................................... 247
Display message ............................ 197
Fastening ......................................... 37
Important safety guidelines ............. 36
Introduction ..................................... 35
Rear seat belt status indicator ......... 39
Releasing ......................................... 38
Warning lamp ................................. 214
Warning lamp (function) ................... 39
Seats
Adjusting (electrically) ..................... 88
Adjusting (manually) ........................ 88 Adjusting the 4-way lumbar sup-
port .................................................. 90
Adjusting the head restraint ............ 89
Cleaning the cover ......................... 247
Correct driver's seat position ........... 86
Important safety notes .................... 87
Seat heating problem ...................... 92
Storing settings (memory func-
tion) ................................................. 96
Switching seat heating on/of
f......... 90
Securing a load .................................. 229
Securing luggage ............................... 229
Selector lever
Cleaning ......................................... 247
see DIRECT SELECT lever
Sensors (cleaning instructions) ....... 245
Service
see ASSYST PLUS
Service Centre
see Qualified specialist workshop
Service menu (on-board com-
puter) .................................................. 184
Service message
see ASSYST PLUS
Service products
Brake fluid ..................................... 283
Coolant (engine) ............................ 283
Important safety notes .................. 282
Washer fluid ................................... 284
Setting the air distribution ............... 117
Setting the airflow ............................ 118
Setting the maximum charge cur-
rent (on-board computer) ................. 185
Settings
Factory (on-board computer) ......... 188
On-board compute r....................... 184
Side lamps
Switching on/of f.............................. 98
Side windows
Convenience closing ........................ 83
Convenience opening ...................... 83
Important safety notes .................... 82
Opening/closing .............................. 83
Problem (malfunction) ..................... 85
Resetting ......................................... 84
Reversing feature ............................. 82
Sidebag ................................................ 41 14
Index

TEMPOMAT
Function/note s............................. 150
Through-loading ................................ 227
TIREFIT kit .......................................... 251
Tyre pressure not reached ............. 252
Tyre pressure reached ................... 253
Top Tether ............................................ 51
Total distance recorder .................... 176
Tow-away protection
Activating ......................................... 68
Deactivating ..................................... 68
Function ........................................... 68
Towing
Important safety notes .................. 260
Transporting the vehicle ................ 263
With the rear axle raised ................ 262
Towing away
Fitting the towing eye .................... 261
Removing the towing eye ............... 262
With both axles on the ground ....... 262
With front axle raised ..................... 262
Towing eye ......................................... 249
Traffic Sign Assist
Activating ....................................... 167
Activating/deactivating the warn- ing function .................................... 182
Display message ............................ 207
Function/note s............................. 166
Important safety notes .................. 167
Instrument cluster display ............. 167
Trailer tow hitch .................................. 22
Transmission
DIRECT SELECT lever ..................... 129
Drive program ................................ 131
Driving tips .................................... 131
Engaging the drive position ............ 130
Engaging the park position ............ 129
Holding the vehicle stationary on
uphill gradients .............................. 131
Kickdown ....................................... 131
Overview ........................................ 128
Program selector button ................ 131
Shifting to neutral .......................... 130
Transmission position display ......... 129
Transmission position display
(DIRECT SELECT lever) ...................... 129
Transmission positions .................... 131Transporting the vehicle
.................. 263
Trim pieces (cleaning instruc-
tions) .................................................. 247
Trip computer (on-board com-
puter) .................................................. 176
Trip meter
Calling up ....................................... 176
Resetting (on-board computer) ...... 178
Turn signals
Changing bulbs (front) ................... 106
Changing bulbs (rear) .................... 107
Switching on/of f.............................. 99
Two-way radio
Frequencies ................................... 280
Installation ..................................... 280
Transmission output (maximum) .... 280
Type identification plate
see Vehicle identification plate
Tyre pressure
Calling up (on-board computer) ..... 270
Display message ............................ 209
Not reached (TIREFIT) .................... 252
Reached (TIREFIT) .......................... 253
Recommended ............................... 269
Tyre pressure monitor
Checking the tyre pressure elec-
tronically ........................................ 271
Function/note s............................. 270
General notes ................................ 270
Important safety notes .................. 271
Radio type approval for the tyre
pressure monitor ........................... 272
Restarting ...................................... 272
Warning lamp ................................. 223
Warning message .......................... 271
Tyres
Changing a whee l.......................... 273
Checking ........................................ 267
Direction of rotation ...................... 273
Display message ............................ 209
General notes ................................ 277
Important safety notes .................. 266
Information on driving .................... 266
M+S tyres ...................................... 268
MOExtended tyre s......................... 268
Replacing ....................................... 273
Service life ..................................... 267
Storing ........................................... 274 16
Index