2012 MERCEDES-BENZ A-CLASS HATCHBACK display

Index
....................................................... 4Introduction
......................................... 21 At a glance
........................................... 27 Safety
................................................... 39 Opening and closing
...........................73 Seats, steering wheel and mirrors
....91 Lights and windscreen wipers
.........103 Climate control
................................. 121 Driving and parking
..........................141 On-board computer and displays
....207 Stowing and features
.......................267 Maintenance and care
......................283 Breakdown assistance
.....................297 Wheels and tyres
.............................. 317 Technical data
................................... 335 Contents
3

1, 2, 3 ...
4ETS see ETS/4ETS (Electronic Trac-
tion System)
4MATIC (permanent all-wheel
drive)
Display message ............................ 254
4MATIC (permanent four-wheel
drive) .................................................. 182
12 V socket
see Sockets A
ABS (Anti-lock Braking System) Display message ............................ 230
Function/notes ................................ 61
Important safety notes .................... 61
Warning lamp .................................2 58
Activating/deactivating air-recir-
culation mode ................................... .132
Activating/deactivating cooling
with air dehumidification ................. 126
Active light function ......................... 108
Active Parking Assist
Cancelling ...................................... 190
Detecting parking spaces .............. 187
Display message ............................ 248
Exiting a parking space .................. 189
Function/notes ............................ .187
Important safety notes .................. 186
Parking .......................................... 188
Towing a trailer .............................. 190
ADAPTIVE BRAKE ................................. 69
Adaptive Brake Assist
Display message ............................ 237
Function/notes ................................ 63
Adaptive brake lights .......................... 64
Adaptive Highbeam Assist
Display message ............................ 243
Function/notes ............................ .109
Adaptive Main-beam Assist
Switching on/off (on-board com-
puter) ............................................. 222
Additional speedometer ................... 220
Additives (engine oil) ........................ 344
Adjusting the headlamp range ......... 107Air filter (white display message)
.... 245
Air vents
Important safety notes .................. 139
Rear ............................................... 140
Setting .......................................... .139
Setting the centre air vents ........... 139
Setting the side air vents .............. .140
Air vents
see Climate control
Air-conditioning system
see Climate control
Airbags
Front airbag (driver, front
passenger) ....................................... 43
Important safety guidelines ............. 42
Kneebag .......................................... .44
Sidebag ............................................ 44
Triggering ......................................... 41
Windowba g...................................... 45
Alarm system
see ATA (Anti-Theft Alarm system)
Ambient lighting
Setting the brightness (on-board
computer) ...................................... 222
AMG
Menu (on-board computer) ............ 226
Performance Seat ............................ 97
Anti-glare film .................................... 281
Anti-lock braking system
see ABS (Anti-lock Braking System)
Anti-Theft Alarm system
see ATA (Anti-Theft Alarm system)
Aquaplaning ....................................... 167
Ashtray ............................................... 277
Assistance display (on-board com-
puter) .................................................. 217
Assistance menu (on-board com-
puter) .................................................. 217
ASSYST PLUS
Displaying a service message ........ 290
Hiding a service message .............. 289
Notes ............................................. 289
Resetting the service interval dis-
play ................................................ 290
Service message ............................ 289
Special service requirements ......... 290 4
Index

ATA (Anti-Theft Alarm system)
Activating/deactivating .................. .69
Function ........................................... 69
Interior motion senso r..................... 70
Switching off the alarm .................... 69
Tow-away protection ........................ 70
ATTENTION ASSIST
Activating/deactivating ................. 219
Display message ............................ 245
Function/note s............................. 195
Audio menu (on-board computer) .... 214
AUTO lights
Display message ............................ 242
see Lights
Automatic engine start (ECO start/
stop function) .................................... 147
Automatic engine switch-off (ECO
start/stop function) .......................... 146
Automatic headlamp mode .............. 105
Automatic transmission
Accelerator pedal position ............. 154
Automatic drive program ............... 156
Changing gear ............................... 154
DIRECT SELECT lever ..................... 151
Display message ............................ 252
Drive program display .................... 152
Driving tips .................................... 154
Emergency running mode .............. 159
Engaging drive position .................. 153
Engaging neutral ............................ 153
Engaging park position (AMG vehi-
cles) ............................................... 153
Engaging reverse gear ................... 153
Engaging the park position ............ 152
Holding the vehicle stationary on
uphill gradients .............................. 154
Kickdown ....................................... 154
Manual drive progra m.................... 156
Overview ........................................ 151
Problem (fault) ............................... 159
Program selector button ................ 155
Pulling away ................................... 144
Selector lever ................................ 153
Starting the engine ........................ 144
Steering wheel gearshift paddle s... 156
Trailer towing ................................. 155
Transmission position dis-
play ........................................ 152, 153 Transmission positions .................. 153
Automatic transmission emer-
gency running mode ......................... 159
Auxiliary heating
Activating/deactivating ................. 134
Activating/deactivating (on the
centre console ).............................. 135
Display message ............................ 255
Important safety notes .................. 134
Problem (display message) ............ 138
Remote control .............................. 135
Setting ........................................... 224
Setting the departure time ............. 136
Auxiliary ventilation
Activating/deactivating ................. 134
Activating/deactivating (on the
centre console ).............................. 135
Problem (display message) ............ 138
Remote control .............................. 135
Axle load, permissible (trailer tow-
ing) ...................................................... 349 B
Bag hook ............................................ 273
Ball coupling
Folding in ....................................... 205
Folding out ..................................... 203
BAS (Brake Assist System) ................. 62
Battery (key)
Checking .......................................... 76
Important safety notes .................... 76
Replacing ......................................... 76
Battery (vehicle)
Charging ........................................ 306
Display message ............................ 244
Important safety notes .................. 304
Jump starting ................................. 308
Belt force limiter
Activation ......................................... 49
Function ........................................... 49
Belt tensioner
Activation ......................................... 41
Function ........................................... 49
Blind Spot Assist
Activating/deactivating ................. 219
Display message ............................ 247
Notes/function .............................. 198 Index
5

Trailer towing ................................. 199
Bonnet
Active bonnet (pedestrian protec-tion) ............................................... 284
Closing ...........................................2 86
Display message ............................ 254
Important safety notes .................. 284
Opening ......................................... 285
Boot
see Tailgate
Boot load (maximum) ........................ 346
Brake Assist System
see BAS (Brake Assist System)
Brake fluid
Display message ............................ 236
Notes ............................................. 344
Brake lamps
Adaptive .......................................... .64
Changing bulbs .............................. 115
Display message ............................ 240
Brakes
ABS .................................................. 61
Adaptive Brake Assist ...................... 63
BAS .................................................. 62
Brake fluid (notes) ........................ .344
Display message ............................ 230
Driving tips ................................... .166
Important safety notes .................. 166
Parking brake ................................ 163
Warning lamp ................................. 258
Breakdown
see Flat tyre
see Towing away/tow-starting
Bulbs
see Replacing bulbs C
Calling up a fault see Display messages
Car
see Vehicle
Car wash (care) ................................. 291
Care
Automatic car wash ....................... 291
Carpets .......................................... 296
Display .......................................... .295
Exhaust pipe .................................. 294 Exterior lighting ............................
.293
Gear or selector lever .................... 295
High-pressure cleaner .................... 291
Interior .......................................... .295
Matt paintwork .............................. 292
Notes ............................................. 290
Paint .............................................. 292
Plastic trim ................................... .295
Reversing camera .......................... 294
Roof lining ...................................... 296
Seat belt ........................................ 296
Seat cover ..................................... 296
Sensors ......................................... 294
Steering wheel ............................... 295
Trim pieces ................................... .295
Washing by hand ........................... 291
Wheels .......................................... .292
Windows ........................................ 293
Wiper blades .................................. 293
Wooden trim .................................. 295
Central locking
Automatic locking (on-board com-
puter) ............................................. 223
Locking/unlocking (key ).................. 75
Centre console
Lower section .................................. 35
Upper section .................................. 34
Changing bulbs
Brake lamps ................................... 115
Cornering light function ................. 114
Dipped-beam headlamp s............... 113
Main-beam headlamp s................... 114
Rear foglamp ................................. 115
Reversing lamps ............................ 115
Tail lamps ...................................... 115
Turn signals (front) ......................... 114
Turn signals (rear) .......................... 115
Child seat
Automatic recognition ..................... 52
ISOFIX .............................................. 53
On the front-passenger sea t............ 51
Problem (malfunction) ..................... 56
Recommendations ........................... 58
Suitable positions ............................ 56
Top Tether ....................................... 54
Child-proof locks
Important safety notes .................... 60
Rear doors ....................................... 60 6
Index

Children
In the vehicle .................................. .50
Restraint systems ............................ 50
Cigarette lighter ................................ 278
Cleaning
Trailer tow hitch ............................ .294
Climate control
Auxiliary heating/ventilatio n ..........134
Controlling automatically .............. .128
Convenience opening/closing
(air-recirculation mode) ................. 132
Cooling with air dehumidification .. 126
Demisting the windows .................. 130
Demisting the windscreen ............. 130
Important safety notes .................. 122
Indicator lamp ................................ 128
Notes on using THERMATIC auto-
matic climate control ..................... 123
Notes on using THERMOTRONIC
automatic climate control .............. 125
Overview of systems ..................... .122
Problem with the rear window
heating .......................................... 132
Problems with cooling with air
dehumidification ............................ 128
Setting the air distribution ............. 129
Setting the air vents ..................... .139
Setting the airflow ......................... 129
Setting the temperature ................ 128
Switching air-recirculation mode
on/off ............................................ 132
Switching on/off ........................... 126
Switching residual heat on/off ...... 133
Switching the rear window heat-
ing on/off ...................................... 131
Switching the ZONE function on/
off ................................................. .129
THERMATIC automatic climate
control .......................................... .123
THERMOTRONIC (2-zone) auto-
matic climate control ..................... 125
Cockpit
Overview .......................................... 28
see Instrument cluster
COLLISION PREVENTION ASSIST
Activating/deactivating the dis-
tance warning function .................. 218
Display message ............................ 230 Operation/notes .............................. 62
COMAND Online
see separate operating instructions
Combination switch .......................... 107
Consumption statistics (on-board
computer) .......................................... 211
Convenience closing feature .............. 85
Convenience opening feature ............ 84
Convenience opening/closing (air-
recirculation mode) ........................... 132
Coolant (engine)
Checking the level ......................... 288
Display message ............................ 243
Important safety notes .................. 344
Temperature (on-board com-
puter) ............................................. 226
Temperature gauge ........................ 208
Warning lamp ................................. 264
Cooling
see Climate control
Cornering lamps
Changing bulbs .............................. 114
Cornering light function
Display message ............................ 239
Function/notes ............................ .109
Crash-responsive emergency light-
ing ....................................................... 111
Cruise control
Activation conditions ..................... 169
Cruise control lever ....................... 169
Deactivating ................................... 170
Display message ............................ 250
Driving system ............................... 168
Important safety notes .................. 168
LIM indicator lamp ......................... 169
Selecting ........................................ 169
Setting a speed .............................. 170
Storing and maintaining current
speed ............................................. 169
Cup holder
Centre console .............................. 276
Important safety notes .................. 275
Rear compartment ......................... 276 D
Dashboard see Instrument cluster Index
7

Dashboard lighting
see Instrument cluster lighting
Data
see Technical data
Daytime driving lights
Display message ............................ 242
Switching on/off (on-board com-
puter) ............................................ .221
Switching on/off (switch) .............. 105
Dealership
see Qualified specialist workshop
Declarations of conformity ................. 23
Delayed switch-off
Exterior lighting (on-board com-
puter) ............................................. 222
Interior lighting .............................. 223
Diagnostics connection ......................23
Diesel .................................................. 341
Digital speedometer .........................212
Dipped-beam headlamps
Changing bulbs .............................. 113
Display message ............................ 239
Setting for driving abroad (sym-
metrical) ........................................ 104
Setting for driving on the right/
left ................................................. 221
Switching on/off ........................... 105
DIRECT SELECT lever
see Automatic transmission
Display (cleaning instructions) ........295
Display message
Driving systems ............................ .245
Display messages
ASSYST PLUS ................................ 289
Calling up (on-board computer) ..... 229
Engine ............................................ 243
General information ....................... 229
Hiding (on-board computer) ........... 229
Key ................................................ 256
Lights ............................................. 239
Safety systems .............................. 230
Tyres .............................................. 251
Vehicle .......................................... .252
Distance recorder
see Trip meter
Distance warning function
Activating/deactivating ................. 218 Function/notes ................................ 62
Warning lamp ................................. 266
DISTRONIC PLUS
Activation conditions ..................... 175
Cruise control lever ....................... 174
Deactivating ................................... 177
Display message ............................ 249
Displays in the multifunction dis-
pla y................................................ 175
Driving tips .................................... 178
Function/note s............................. 174
Important safety notes .................. 173
Selecting ........................................ 175
Setting the specified minimum
distance ......................................... 177
Warning lamp ................................. 266
Door
Automatic locking (on-board com-
puter) ............................................. 223
Automatic locking (switch) ............... 81
Central locking/unlocking (key) ...... 75
Control panel ................................... 37
Display message ............................ 254
Emergency locking ........................... 81
Emergency unlocking ....................... 81
Important safety notes .................... 79
Opening (from the inside) ................ 80
Drive program
Automatic ...................................... 156
Display ........................................... 153
Display (DIRECT SELECT lever) ...... 152
Manual ........................................... 156
Driver's door
see Door
Driving abroad
Service24h .................................... 290
Symmetrical dipped beam ............. 104
Driving on flooded roads .................. 167
Driving safety systems
ABS (Anti-lock Braking System) ....... 61
ADAPTIVE BRAK E............................. 69
Adaptive Brake Assist ...................... 63
Adaptive brake lights ....................... 64
BAS (Brake Assist System) .............. 62
COLLISION PREVENTION ASSIST .... 62
Distance warning function ............... 62
Electronic Brake-force Distribu-
tion .................................................. 68 8
Index

ESP® (Electronic Stability Pro-
gram) ......................................... 65, 66
ETS/4ETS (Electronic Traction
System) ........................................... 65
Important safety guidelines ............ .61
Overview .......................................... 61
STEER CONTROL ............................. 69
Driving systems
Active Parking Assist ..................... 186
ATTENTION ASSIST ........................ 195
Blind Spot Assist ............................1 97
Cruise control ................................ 168
Display message ............................ 245
Distronic Plus ................................ 173
HOLD function ............................... 179
Lane Keeping Assist ..................... .199
Lane package ................................ 197
PARKTRONIC ................................. 182
RACE START (AMG vehicles) .......... 181
Reversing camera .......................... 191
Speed Limit Assist ......................... 196
SPEEDTRONIC ............................... 171
Driving tips
Aquaplaning ................................... 167
Automatic transmission ................. 154
Brakes .......................................... .166
DISTRONIC PLUS ........................... 178
Downhill gradient ........................... 166
Driving abroad ............................... 104
Driving in winter ............................ .167
Driving on flooded roads ................ 167
Driving on wet roads ..................... .167
General .......................................... 165
Icy road surfaces ........................... 168
Limited braking efficiency on sal-
ted roads ....................................... 167
New brake pads/linings ................ 167
Running-in tips ............................... 142
Snow chains .................................. 321
Symmetrical dipped bea m............. 104
Towing a trailer .............................. 201
Wet road surface ........................... 166
DVD audio (on-board computer) ...... 215 E
EASY-VARIO-PLUS system Luggage compartment enlarge-
ment .............................................. 271
EBD (electronic brake force distri-
bution)
Display message ............................ 232
Function/note s................................ 68
ECO display
Function/note s............................. 165
On-board computer ....................... 212
ECO start/stop function
Automatic engine start .................. 147
Automatic engine switch-off .......... 146
Deactivating/activating ................. 147
General information ....................... 146
Important safety notes .................. 146
Introduction ................................... 145
Electrical fuses
see Fuses
Electronic Stability Program
see ESP® (Electronic Stability Program)
Emergency key
Unlocking the driver's door .............. 81
Emergency key element
Function/note s................................ 75
Locking vehicle ................................ 81
Emergency release
Driver's door .................................... 81
Emergency spare wheel
General notes ................................ 332
Important safety notes .................. 332
Removing ....................................... 332
Technical data ............................... 333
Emergency unlocking
Tailgate ............................................ 83
Vehicle ............................................. 81
Engine
Display message ............................ 243
ECO start/stop function ................ 145
Engine number ............................... 338
Jump-starting ................................. 308
Running irregularly ......................... 149
Starting problems .......................... 149
Starting the engine with the key .... 144
Stopping ........................................ 162
Tow-starting (vehicle) ..................... 314 Index
9

Warning lamp (engine diagnos-
tics) ............................................... 264
Engine electronics
Notes ............................................. 336
Problem (fault) ...............................1 49
Engine oil
Additives ........................................ 344
Checking the oil level ..................... 286
Checking the oil level using the
dipstick .......................................... 287
Display message ............................ 245
Filling capacity ............................... 343
Notes about oil grades ................... 343
Notes on oil level/consumption .... 286
Temperature (on-board com-
puter) ............................................. 226
Topping up ..................................... 287
Viscosity ........................................ 344
Environmental protection
Returning an end-of-life vehicle ....... 21
ESP® (Electronic Stability Pro-
gram)
AMG menu (on-board computer) ... 226
Deactivating/activating (AMG
vehicles) .......................................... 66
Deactivating/activating (except
AMG vehicles) ................................ 218
Deactivating/activating (notes;
except AMG vehicles) ..................... .67
Display message ............................ 230
ETS/4ETS ........................................ 65
Function/note s......................... 65, 66
Important safety guidelines ............. 65
Trailer stabilisation .......................... 68
Warning lamp ................................. 260
ETS/4ETS (Electronic Traction Sys-
tem) ...................................................... 65
Exhaust pipe (cleaning instruc-
tions) .................................................. 294
Exterior lighting
Settings options ............................. 105
see Lights
Exterior mirrors
Adjusting ......................................... 99
Anti-dazzle mode (automatic) ........ 100
Folding in when locking (on-board computer) ...................................... 225
Folding in/out (automatically )....... 100 Folding in/out (electrically) ............. 99
Out of position (troubleshooting) ... 100
Parking position ............................. 100
Resetting ......................................... 99
Storing settings (memory func-
tion) ............................................... 101
F
Fault message see Display messages
Filler cap
see Fuel filler flap
Fire extinguisher ............................... 299
First-aid kit ......................................... 298
Fitting a wheel
Fitting a wheel ............................... 328
Lowering the vehicle ...................... 329
Preparing the vehicle ..................... 325
Raising the vehicle ......................... 326
Removing a whee l.......................... 328
Securing the vehicle against roll-
ing away ........................................ 325
Flat tyre
MOExtended tyre s......................... 300
Preparing the vehicle ..................... 300
TIREFIT kit ...................................... 301
see Emergency spare wheel
Floormat ............................................. 281
Foglamps
Extended rang e.............................. 109
Switching on/of f........................... 106
Frequencies
Mobile phone ................................. 336
Two-way radio ................................ 336
Front foglamps
Display message ............................ 241
Fuel
Additives ........................................ 341
Consumption information .............. 342
Consumption statistics .................. 211
Displaying the current consump-
tion ................................................ 212
Displaying the range ...................... 212
Fuel gaug e....................................... 30
Grade (petrol) ................................ 340
Important safety notes .................. 339
Notes for AMG vehicles ................. 340 10
Index