service MERCEDES-BENZ C-CLASS SALOON 2012 Manual Online

Mercedes me connect
Display messages
Possible causes/consequences and M
MSolutions
Mercedes me connect
Services limited See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restricted.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 29). #
Consult a qualified specialist workshop.
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is
malfunctioning. #
Consult a qualified specialist workshop. Battery
Display messages
Possible causes/consequences and M MSolutions
# 12 V battery See Owner's
Manual *T
he engine is off and thech arge leve l is too lo w. #
Switch off electrical consumers that are not required.
To charge the12 V battery: #
Lea vethe engine running for a few minutes, or drive an extended di stance.
*I fth e message appears while the engine is running, this indicates an on-board elect rical sy stem malfunction. 486
Display messages and warning/indicator lamps
Internal use only

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
R The coolant pump is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120°C. &
WARNING Risk of burn s when opening the bonn et
If yo u open the bonn etwhen the engine has overheated or when there is a fire inthe engine compartment, the
fo llowing situations may occur:
R You could come into contact with hot gases.
R You could come into contact with other hot, escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the bonn etclosed and call thefire service. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
If th e coolant temp erature display is at the upper end of thete mp erature scale: #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 379). Displ
aymessa ges and warning/indicator lamps 503
Internal use only

Ad
justing treble, mid-range and bass
setting s.................................................. 371
Calling up the sound menu.................... 371
Information............................................ 371
Switching volume adjustment on/of f.... 371
Ad versewe ather light ............................... 13 0
Af ter-sales service centre
see ASS YST PLUS
Air distribution Setting................................................... 14 4
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 15 3
Ad justing (rear)..................................... .153
Air vents
see Air vents Ai
r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. 147
Air-water duct Keeping free.......................................... 381
Airbag Activation................................................ 38
Fr ont airbag (driver, front passenger)...... 43
Ins tallation locations.............................. .43
Knee airbag............................................ .43
Overview................................................. 43
PA SSENGER AIR BAG indicator lamp....... 48
Pr otection................................................ 44
Re duced pr otection.................................46
Side airba g.............................................. 43
Wi ndow airba g......................................... 43
Ai rflow
Setting................................................... 14 4
AIRM ATIC
Setting.................................................. .219
Suspension............................................ 219
Alarm sy stem
see ATA (anti-theft alarm sy stem) All-wheel drive
see 4MATIC
Alternative route
see Route
Ambient lighting Setting (multimedia sy stem)..................1 34
Android Auto
Connecting a mobile phon e...................330
Ending................................................... 331
Information............................................ 330
Overview.............................................. .329
Sound settings....................................... 331
Tr ans ferred vehicle data........................3 31
Animals Pets in theve hicle................................... 72
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ .76
Immobiliser............................................. 94 Index
515
Internal use only

Anticipatory occupant pr
otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
Connecting an iPhone ®
.........................3 28
Ending................................................... 329
No tes....................................................3 28
Overview............................................... 328
Sound settings...................................... 329
Tr ans ferred vehicle data........................3 31
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods...............3 73
Displ aying the service due dat e............. 372
Fu nction/no tes..................................... 372
Re gular maintenance work.................... 372
Special service requirements............... .372
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 95
Fu nction.................................................. 95
Fu nction of interior pr otection................. 96 Priming/deactivating interior pr
otec‐
tion.......................................................... 97
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 96
To w- aw ay protection function.................. 95
AT TENTION ASSI ST
Fu nction................................................ 19 2
Setting................................................... 19 3
Sy stem limitations................................. 19 2
At tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB device s....................... 349
Co pyrights............................................. 347
Information............................................ 346
Inserting/re moving an SD car d............. 348
Media sea rch.........................................3 53
Overview............................................... 349
Pa use and playback function................ .350
Selecting a track................................... 350
Selecting playba ckoptions.................... 350
Switching on media mode..................... 348
Tr ack list............................................... .350 Au
thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ...........................12 6
Au tomatic engine start (ECO start/
sto p function)............................................. 161
Au tomatic engine stop (ECO start/
sto p function)............................................. 161
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff
Fu nction of the automatic front
passenger front airbag deactivation
sy stem..................................................... 46
PA SSENGER AIR BAG indicator lamp....... 48
Au tomatic mir rorfo lding function
Ac tivating/deactivating......................... 14 3
Au tomatic transmission
DIRECT SELECT le ver............................. 167516
Index
Internal use only

Contacts
Calling up.............................................. 322
Deleting................................................ .323
Downloading (from mobile phone)......... 321
Importing.............................................. 322
Importing (o verview)............................. 322
Information........................................... .321
Making a call......................................... 323
Na me form at......................................... 322
Options................................................ .323
St oring..................................................3 23
Controller Operating.............................................. 267
Conv enience closing .................................. .88
Con venience opening ..................................87
Coolant (engine) Check le vel............................................ 379
No tes....................................................4 38
Cooling see Clima tecontrol
Co pyright..................................................... 36
Cornering light ...........................................1 29
Cross Traf fic Alert..................................... 236 Crosswind Assist
Function/no tes..................................... 189
Cruise control Activating.............................................. 19 5
Buttons.................................................. 19 5
Calling up a spee d................................. 19 5
Deactivating.......................................... 19 5
Fu nction................................................ 194
Re quirements........................................ 19 5
Selecting............................................... 19 5
Setting a speed..................................... 19 5
St oring a speed.....................................1 95
Sy stem limitations................................. 194 D
Dashboa rd
see Cockpit
Data acquisition Vehicle.................................................... 33
Data import/export Function/no tes..................................... 280
Importing/exporting.............................. 281
Data pr otection rights
Data storage............................................ 36 Data
storage
Data pr otection rights............................. 36
Electro nic control units........................... 33
Online service s........................................ 35
Ve hicle.................................................... 33
Date Setting the time and date automati‐
cally....................................................... 275
Deactivating the ala rm(ATA ) ...................... 95
Deale rship
see Qualified speciali stwo rkshop
Declaration of conformity Electromagnetic compatibility.................25
Jack......................................................... 28
Specific absor ption rate.......................... 25
TIREFIT kit............................................... 29
Wi reless vehicle components.................. 25
Decorative foil (cleaning instructions) .... 383
DeNOx agent see AdBlue ®
De stination
Editing intermediate destinations......... .292
Editing the pr evious destinations.......... 303 Index
521
Internal use only

Ac
tive Lane Keeping Assist Camera
view restricted See Owner's Manual..... 477
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........477
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 477
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual........................................... 480
Ac tive Parking Assist Manoeuvring
assis tance limited See Owner's Man‐
ual........................................................ .480
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................4 74
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ...........473
Ac tive Steering Assist inoperative .........473
Ad aptive Highbeam Assist Camera
view restricted See Owner's Manual..... 453 Ad
aptive Highbeam Assist cur rently
una vailable See Owner's Manual ...........453
Ad aptive Highbeam Assist inoperative.. 453
Ad aptive Highbeam Assist Plus Cam‐
era view restricted See Owner's
Manual.................................................. 454
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 454
Ad aptive Highbeam Assist Plus inop‐
erative.................................................. .454
App lybrake todeselect Park (P)
position................................................. 463
Apply brake toselect R......................... 463
Au xilia rybattery malfunction ................ 465
Beginning emer gency stop.....................4 74
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ........................475
Blind Spot Assi stinope rative ................. 476Blind Spot Assi
stnot available when
to wing a trailer See Owner's Manual .....476
Cann otstart engine See Owner's
Manual................................................. .489
Cruise control and Limi ter inoperative.. .471
Cruise contro l inoperative...................... 471
Cruise contro l off................................... 471
Fr ont-passenger airbag disabled See
Owner's Manual....................................4 47
Fr ont-passenger airbag enabled See
Owner's Manual....................................4 47
Haza rdwa rning lamps malfunctioning...4 55
Limi ter inoperative................................ .471
Limiter passive ....................................... 471
Mercedes me connect Services limi‐
te d See Owner's Manual....................... 486
Mo tor can be star ted again...................4 89
N permanently active Risk of vehicle
ro lling .................................................... 463 Index
525
Internal use only

Intermediate destination
Calculating a route with intermediate
destinations.......................................... 293
En tering................................................. 292
Modifying............................................. .292
St arting an automatic filling station
sear ch................................................... 291
St arting the automatic service sta‐
tion sear ch............................................ 298
In tern etconnection
Cancelling permission (mobile phone).. 343
Communication module function.......... .341
Connection status................................ .343
Displ aying the connection status.......... 343
Editing access data (Blue tooth®
)...........3 43
Information............................................ 340
Mobile phone de tails............................ .343
Re strictions........................................... 340
Setting access data (Bluetooth ®
).......... 342
Setting up (Blue tooth ®
).........................3 42
Setting up (Wi-Fi)................................... 341
Switching Blue tooth®
profile (DUN/
PA N)...................................................... 342
Internet radio
see TuneIn Ionisation
Activating/deactivating (multimedia
sy stem).................................................. 147
iPhone ®
see Apple CarPlay ®
see Mercedes-Benz Link
ISOFIX child seat anchor
Seats suitable for attaching..................... 59
ISOFIX child seat securing sy stem
Fitting..................................................... .61 J
Jack Declaration of conformity........................ 28
Storage location..................................... 41 8
Jump-start connection General no tes........................................ 398 K
Key Acoustic locking verification signal.......... 74
Battery.................................................... 75
Emergency key........................................ 74Energy consumption................................
74
Fe atures................................................. .73
Ke yring attachment................................ 74
Overview................................................. 73
Problem................................................... 76
Un locking setting.................................... .74
Ke y functions
Deactivating.............................................74
KEYLESS-GO Locking theve hicle..................................78
Problem................................................... 78
Un locking setting.................................... .74
Un locking theve hicle.............................. 78
Kickd own
Using.....................................................1 71
Knee airbag .................................................. 43 L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps 532
Index
Internal use only

Map data................................................3
11
Moving.................................................. 308
Overview...............................................3 07
Selecting POI symbols........................... 309
Selecting text information..................... 309
Selecting the map orientation............... 309
Setting the map scale............................ 308
Setting the map scale automaticall y...... 312
Up dating................................................3 11
Map and compass Overview............................................... 307
Massage prog rammes
Re setting the settings............................1 06
Selecting the front seats....................... 105
Massage settings Resetting...............................................1 06
Matt finish (cleaning instructions) ..........383
Maximum gross vehicle weight .............. .428
Maximum speed see Limiter
Mecca......................................................... 312
Media Sear ching............................................. .353 Media display
Notes....................................................2 65
Media Inter face
Ac tivating.............................................. 354
Information............................................ 353
Overview.............................................. .354
Media mode Activating.............................................. 348
Media sear ch
St arting................................................. 353
Medical aids................................................ .32
Memory function Function................................................. 11 0
Head-up display — Calling up stored
settings..................................................1 11
Head-up display — Storing settings......... 111
Operating............................................... 111
Outside mir rors — Calling up stored
settings..................................................1 11
Outside mir rors —St oring settings......... 111
Seat — Calling up stored settings........... 111
Seat — Storing settings........................... 111
St eering wheel — Calling up sa ved
settings.................................................. 111St
eering wheel — Saving settings...........1 11
Menu (on-board computer) Head-up displa y..................................... 24 9
Overview............................................... 24 6
Mercedes me calls Arranging a service appointment.......... 334
Calling the Mercedes-Benz Cus tomer
Centre................................................... 333
Calling the Mercedes-Benz Cus tomer
Centre af ter auto matic accident or
breakdown de tection............................. 333
Consenting todata transfer.................. 334
Information............................................ 332
Making a call via theove rhead con‐
trol panel............................................... 331
Tr ans ferred data.................................... 334
Mercedes me connect Accident and Breakdown Manage‐
ment...................................................... 336
Information............................................ 336
Tr ans ferred data.................................... 337
Mercedes-AMG vehicles
No tes..................................................... 154 Index
535
Internal use only

Mercedes-Benz Apps
Calling up.............................................. 344
Using with voice control........................ 344
Mercedes-Benz emer gency call sy stem
Au tomatic emergency call.................... .337
Information............................................3 37
Information on data transfer.................3 39
Manual emer gency cal l......................... 338
Overview............................................... 337
Self diagnosis........................................ 339
St arting/ending ERA-GLONASS test
mode..................................................... 339
Mercedes-Benz Link Connecting............................................ 327
Ending.................................................. .327
Overview............................................... 327
Using..................................................... 327
Mercedes-Benz service centre see Qualifi ed specialist workshop
Message (multifunction display) see Display message
Message memory...................................... 445
Messages Voice commands (LINGU ATRO NIC)........2 61Messages
see Text messa ges
Mir rors
see Outside mir rors
Mobile phone Cancelling permission for Internet
connection............................................ 343
Fr equencies........................................... 427
Tr ansmission output (maximum )........... 427
see Apple CarPl ay®
Mobile phone see Android Auto
see Mercedes-Benz Link
see Second telephone
see Telephone
Mobile phone voice recognition
St arting................................................. 320
St opping................................................3 20
Model series see Vehicle identification plate
MOExtended tyres..................................... 391
Mo torw ay mode ......................................... 12 9Moving
away
see Driving tips
MULTIBEAM LED........................................ 12 8
Multifunction display Overview of the displa ys........................ 247
Multifunction steering wheel
Overview of buttons.............................. 24 6
Multifunction steering wheel
see Steering wheel
Multimedia sy stem
Ac tivating/deactivating standby
mode.................................................... .185
Ad justing thevo lume............................ .272
Calling up applications.......................... 269
Central cont rol elements...................... .266
Collision de tection (pa rked vehicle).......1 84
Con figuring display settings...................2 74
Con figuring drive program I...................167
ENERGIZING COMFORT programme
(o ve rview).............................................. 285
Favo urites............................................. 269
Overview............................................... 265
Re ar climate control............................. .146
Re storing (factory settings)................... 285 536
Index
Internal use only

St
arting the ENERG IZINGCOMFORT
programme............................................2 86
Switching the sound on/of f................... 271
Multimedia sy stem
see En tering characters
see Touchpad N
Na vigation
Showing/hiding the menu..................... 287
Switching on.......................................... 287
Up dating the map data..........................3 11
Vo ice commands (LINGU ATRO NIC)....... 254
Na vigation
see Destination
see Destination entry
see Map
see Route
see Route guidance
see Traf fic information
Na vigation announcements
Ac tivating/deactivating......................... 301
Ad justing thevo lume............................ .301
Re peating.............................................. 302 Switching audio
fadeout on/of f.............301
Ne arField Communication (NFC)
Connecting the mobile phone tothe
multimedia sy stem................................. 319
Information............................................ 319
Switching Blu etoo th®
audio equip‐
ment...................................................... 358
Swit ching mobile phones...................... .319
Using a mobile phone............................3 19
Ne utral
Engaging................................................ 16 8
NFC see Near Field Communication (NFC) O
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see Pets in theve hicle
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus) see
Restra int sy stem
see Seat belt
Oil see Engine oil
On-board computer Displaying the service due dat e............. 372
Head-up display menu........................... 24 9
Multifunction displa y............................. 247
Operating..............................................2 46
Overview of menus................................ 24 6
On-board diagnostics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronic s................................. 426
No tes....................................................4 26
Tw o-w ayradios...................................... 426
Online services Data storage............................................ 35
Open-source software................................36
Opening the boot lid using your foot
HANDS-FREE ACCES S............................. 83
Ope rating fluids
Ad Blue ®
................................................ 435 Index
537
Internal use only