2012 MERCEDES-BENZ A-CLASS HATCHBACK trip computer

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

Loading guidelines
............................ 268
Locking
see Central locking
Locking (doors)
Automatic ........................................ 81
Emergency locking .......................... .81
From inside (central locking but-
ton) .................................................. 80
Locking centrally
see Central locking
Locking verification signal (on-
board computer) ............................... 223
Luggage compartment enlarge-
ment ................................................... 271
Important safety notes .................. 271
Luggage compartment floor
Important safety notes .................. 274
opening/closing ............................ 274
stowage well, under ....................... 274
Luggage net ....................................... 271
Lumbar support
Adjusting the 4-way lumbar sup-
port .................................................. 96 M
M+S tyres ........................................... 320
Main-beam headlamps
Changing bulb s.............................. 114
Display message ............................ 241
Switching Adaptive Highbeam
Assist on/of f................................. 109
Switching on/of f........................... 107
Maintenance
see ASSYST PLUS
Manual transmission
Engaging reverse gear ................... 151
Gear lever ...................................... 150
Pulling away ................................... 144
Shift recommendation ................... 151
Shifting to neutral .......................... 151
Starting the engine ........................ 144
Matt finish (cleaning instructions) .. 292
Memory card (audio) ......................... 215
Memory function ............................... 101
Mercedes-Benz Service Centre
see Qualified specialist workshop Message memory (on-board com-
puter) .................................................. 229
Messages
see Display messages
Mirrors
see Exterior mirrors
see Rear-view mirror
see Vanity mirror (in sun visor)
Mobile phone
Frequencies ................................... 336
Installation ..................................... 336
Menu (on-board computer) ............ 215
Notes/placing in the bracket ......... 279
Transmission output (maximum) .... 336
Mobile telephone
Pre-installed bracket ...................... 281
Modifying the programming (key) ..... 75
MOExtended tyres ............................. 300
Motorway mode ................................ 109
MP3
Operating ....................................... 215
see Separate operating instructions
Multifunction display
Function/note s............................. 210
Permanent display ......................... 220
Multifunction steering wheel
Operating the on-board compute r..2 09
Overview .......................................... 33 N
Navigation Menu (on-board computer) ............ 213
see separate operating instructions
Notes on running in a new vehicle .. 142 O
Occupant safety Children in the vehicle ..................... 50
Important safety notes .................... 40
Odometer .......................................... .211
see Total distance recorder
see Trip meter
Oil
see Engine oil
On-board computer
AMG menu ..................................... 226 Index
13

Assistance menu ........................... 217
Audio menu ................................... 214
Convenience submenu .................. 225
Display message s.......................... 229
Displaying a service message ........ 290
Factory setting submenu ............... 225
Heating submenu ........................... 224
Important safety notes .................. 208
Instrument cluster submenu .......... 220
Light submenu ............................... 221
Menu overview .............................. 211
Message memory .......................... 229
Navigation menu ............................ 213
Operating the TV ............................ 215
Operating video DVD ..................... 215
Operation ....................................... 209
RACETIMER ................................... 226
Service menu ................................. 219
Settings menu ............................... 220
Standard display ............................ 211
Telephone menu ............................ 215
Trip menu ...................................... 211
Vehicle submenu ........................... 223
Opening and closing the side trim
panels ................................................. 115
Operating system
see On-board computer
Outside temperature display ........... 209
Overhead control panel ...................... 36
Override feature
Rear side window s........................... 61 P
Paint code .......................................... 338
Paintwork (cleaning instructions) ... 292
Panorama sliding sunroof
Important safety information ........... 86
Opening/closing .............................. 87
Opening/closing the roller sun-
blind ................................................. 89
Problem (malfunction) ..................... 89
Rain closing feature ......................... 88
Resetting ......................................... 89
Parking ............................................... 162
Important safety notes .................. 162
Parking brake ................................ 163 Position of exterior mirror, front-
passenger side ............................... 100
Reversing camera .......................... 191
see Active Parking Assist
see PARKTRONIC
Parking aid
Active Parking Assist ..................... 186
see Exterior mirrors
see PARKTRONIC
Parking aid
see PARKTRONIC
Parking brake
Display message ............................ 233
Electric parking brake .................... 163
Warning lamp ................................. 263
Parking lamps
Display message ............................ 241
Switching on/of f........................... 106
PARKTRONIC
Deactivating/activating ................. 185
Driving system ............................... 182
Function/note s............................. 182
Important safety notes .................. 182
Problem (fault) ............................... 186
Sensor rang e................................. 183
Trailer towing ................................. 185
Warning display ............................. 184
PASSENGER AIRBAG OFF warning
lamp ...................................................... 52
Petrol .................................................. 340
Plastic trim (cleaning instruc-
tions) .................................................. 295
Power windows
see Side windows
PRE-SAFE® (anticipatory occupant
protection)
Operation ......................................... 45
PRE-SAFE® (preventive occupant
safety system)
Display message ............................ 236
Program selector button .................. 155
Protection of the environment
General notes .................................. 21
Pulling away
Automatic transmission ................. 144
Manual transmission ...................... 144
Trailer ............................................ 145 14
Index

Temperature
Coolant .......................................... 208
Coolant (on-board computer) ......... 226
Engine oil (on-board computer) ...... 226
Outside temperature ...................... 209
Setting (climate control) ................ 128
TEMPOMAT
Function/note s............................. 168
Theft-deterrent system
ATA (Anti-Theft Alarm system) ......... 69
Immobiliser ...................................... 69
Through-loading ................................ 271
Time
see Separate Owner's manual
Timing (RACETIMER) ......................... 226
TIREFIT kit .......................................... 301
Top Tether ............................................ 54
Tow-away protection .......................... 70
Tow-starting
Emergency engine starting ............ 314
Fitting the towing eye .................... 311
Important safety notes .................. 310
Removing the towing eye ............... 312
Towing
Important safety notes .................. 310
Towing a trailer
Active Parking Assist ..................... 190
Axle load, permissibl e.................... 349
Bulb failure indicator for LED
lamps ............................................. 206
ESP® (Electronic Stability Pro-
gram) ............................................... 68
Pulling away with a traile r.............. 145
Trailer tow hitch display message .. 255
Towing away
Fitting the towing eye .................... 311
Removing the towing eye ............... 312
With both axles on the ground ....... 312
With front axle raised ..................... 312
Trailer coupling
see Towing a trailer
Trailer towing
7-pin connecto r............................. 206
Blind Spot Assist ............................ 199
Cleaning the trailer tow hitch ......... 294
Coupling up a traile r...................... 204
Decoupling a trailer ....................... 204 Driving tips .................................... 201
Folding in the ball coupling ............ 205
Folding out the ball coupling .......... 203
Important safety notes .................. 201
Lights display message .................. 239
Mounting dimensions .................... 348
Parktronic ...................................... 185
Power supply ................................. 205
Trailer load s................................... 349
Transmission
see Automatic transmission
see Manual transmission
Transmission position display
(DIRECT SELECT lever) ...................... 152
Transporting the vehicle .................. 313
Trim pieces (cleaning instruc-
tions) .................................................. 295
Trip computer (on-board com-
puter) .................................................. 211
Trip meter
Calling up ....................................... 211
Resetting (on-board computer) ...... 212
Turn signals
Changing bulbs (front) ................... 114
Changing bulbs (rear) .................... 115
Switching on/of f........................... 107
TV
Operating (on-board computer) ..... 215
see Separate operating instructions
Two-way radio
Frequencies ................................... 336
Installation ..................................... 336
Transmission output (maximum) .... 336
Type identification plate
see Vehicle identification plate
Tyre pressure
Display message ............................ 251
Not reached (TIREFIT) .................... 303
Reached (TIREFIT) .......................... 303
Recommended ............................... 321
Tyre pressure loss warning
Important safety notes .................. 323
Restarting ...................................... 323
Tyres
Changing a whee l.......................... 324
Checking ........................................ 319
Direction of rotation ...................... 324
Display message ............................ 251 18
Index

Left control panel
=
; R
Calls up the menu and menu bar 9
: Press briefly:
R Scrolls through lists
R Selects a submenu or function
R In the Audio Audio menu: selects a
stored station, an audio track or
a video scene
R In the Tel
Tel (telephone) menu:
switches to the phone book and
selects a name or telephone
number 9
: Press and hold:
R In the Audio Audio menu: selects the
previous/next station or selects
an audio track or a video scene
using rapid scrolling
R In the Tel
Tel (Telephone) menu,
starts rapid scrolling through the
phone book a R
Confirms selection/display mes-
sage
R In the Tel Tel(telephone) menu:
switches to the telephone book
and starts dialling the selected
number
R In the Audio Audio menu: stops the
station search function at the
desired station Right control panel
~ R
Rejects or ends a call
R Exits telephone book/redial
memory 6 R
Makes or accepts a call
R Switches to the redial memory W
X R
Adjusts the volume 8 R
Mute Back button
% Press briefly:
R Back
R Switches off LINGUATRONIC;
see the separate operating
instructions
R Hides display messages/calls
up the last Trip
Trip menu function
used
R Exits the telephone book/redial
memory % Press and hold:
R Calls up the standard display in
the Trip Trip menu Multifunction display
Multifunction display (example: vehicles with auto-
matic transmission)
: Permanent display: outside temperature
or speed (Y page 220)
; Time
= Text field 210
Displays and operationOn-board computer and displays

?
Menu bar
A Drive program (Y page 152)
B Transmission position (Y page 152)
X To show the menu bar ?:press the =
or ; button on the steering wheel.
Menu bar ?disappears after a few seconds.
Text field =shows the selected menu or
submenu as well as display messages.
i You can set the time using the audio sys-
tem or COMAND Online; see the separate
operating instructions.
The following messages may appear in the
multifunction display:
Z Gearshift recommendation, for
manual transmission
(Ypage 151) or automatic trans-
mission (Y page 156)
XjY Active Parking Assist
(Ypage 186)
¯ Cruise control (Y page 168)
È SPEEDTRONIC (Y page 171)
_ Adaptive Highbeam Assist
(Ypage 109)
¤ ECO start/stop function
(Ypage 146)
ë HOLD function (Y page 179)
120 km/h!
120 km/h! Maximum permissible speed
exceeded (only for certain coun-
tries) Menus and submenus
Menu overview
Operating the on-board computer
(Y page 209).
Depending on the equipment fitted in the
vehicle, you can call up the following menus:
R Trip Trip menu (Y page 211)
R Navi
Navi menu (navigation instructions)
(Y page 213)
R Audio
Audio menu (Y page 214) R
Tel
Tel (telephone) menu (Y page 215)
R Assist
Assist (Assistance) menu (Y page 217)
R Serv.
Serv. menu (Y page 219)
R Settings
Settings menu (Ypage 220)
R AMG
AMG menu in AMG vehicles (Y page 226)
The Audio
Audio, Navi
NaviandTel
Tel menus differ slightly
in vehicles with Audio 5, Audio 20 and in vehi-
cles with COMAND Online. The examples
given in this Owner's Manual apply to vehicles equipped with COMAND Online. Trip menu
Standard display X
Press and hold the %button on the
steering wheel until the Trip Tripmenu with
trip meter :and total distance
recorder ;is shown.
Trip computer "From start" or "From
reset" Example: "From start" trip computer
:
Distance
; Time
= Average speed
? Average fuel consumption
X Press the =or; button on the steer-
ing wheel to select the Trip Tripmenu.
X Press the 9or: button to select
From start
From start orFrom reset
From reset. Menus and submenus
211On-board computer and displays Z

The values in the
From start
From startsubmenu are
calculated from the start of a journey, whilst
the values in the From reset
From reset submenu are
calculated from the last time the submenu
was reset (Y page 212).
The From start
From start trip computer is automati-
cally reset when:
R the ignition has been switched off for more
than four hours.
R 999 hours have been exceeded.
R 9,999 kilometres have been exceeded.
The From reset
From reset trip computer is automati-
cally reset if the value exceeds 9,999 hours or 99,999 kilometres.
ECO display Example: ECO display
X Press the =or; button on the steer-
ing wheel to select the Trip Tripmenu.
X Press the 9or: button to select
ECO DISPLAY
ECO DISPLAY.
If the ignition remains switched off for longer
than four hours, the ECO display will be auto- matically reset.
For further information on the ECO display,
see (Y page 165).
Displaying the range and current fuel
consumption X
Press the =or; button on the steer-
ing wheel to select the Trip Tripmenu.
X Press the 9or: button to select
current fuel consumption ;(not for AMG
vehicles) and approximate range :.
The approximate range that can be covered is
calculated according to your current driving
style and the amount of fuel in the tank. If
there is only a small amount of fuel left in the
fuel tank, the display shows a vehicle being
refuelled Cinstead of the range.
Digital speedometer :
Gearshift recommendation, manual trans-
mission (Y page 151) or automatic trans-
mission (Y page 156)
; Digital speedometer
Gearshift recommendation :is not given on
AMG vehicles.
X Press the =or; button on the steer-
ing wheel to select the Trip Tripmenu.
X Press the 9or: button to select the
digital speedometer.
Resetting values Example: resetting the "From start" trip computer
You can reset the values of the following func-
tions:
R trip meter
R "From start" trip computer 212
Menus and submenusOn-board computer and displays

R
"From reset" trip computer
R ECO display
X Press the =or; button on the steer-
ing wheel to select the Trip
Tripmenu.
X Press the 9or: button to select the
function that you wish to reset.
X Press the abutton.
X Press the :button to select Yes
Yesand
press ato confirm.
i If you reset the values in the ECO display,
the values in the "From start" trip computer
are also reset. If you reset the values in the "From start" trip computer, the values in
the ECO display are also reset. Navigation menu
Displaying navigation instructions X
Switch on the audio system or COMAND
Online; see the separate operating instruc-
tions.
X Press the =or; button on the steer-
ing wheel to select the Navi
Navi menu.
In the Navi
Navi menu, the multifunction display
shows navigation instructions. For more
information, see the separate operating
instructions.
Route guidance not active :
Direction of travel
; Current road Activating route guidance No change of direction announced
:
Distance to the destination
; Distance to the next change of direction
= Current road
? Symbol indicating "follow the road's
course"
Change of direction announced without a lane recommendation :
Road to which the change of direction
leads
; Distance to change of direction and visual
distance display
= Change-of-direction symbol
When a change of direction is announced, you
will see symbol =for the change of direction
and distance graphic ;. This shortens
towards the top of the display as you
approach the point of the announced change
of direction. Menus and submenus
213On-board computer and displays Z