ECO mode MERCEDES-BENZ C-CLASS SALOON 2012 Owner's Guide

The
recommended octane number foryo ur vehi‐
cle can also be found on the information label in
th e fuel filler flap (/ page172).
As a temp orary measure, if there commended
fuel is not available, you may also use regular
unleaded petrol with at leas t:
R C18 0:93 RON
R Allother models: 91RON
This may reduce engine output and increase fuel
consum ption.
Ne verre fuel using petrol with an even lo wer
RO N.
Fu rther information on fuel can be obtained at a
fi lling station or a qualified specialist workshop.
Information on additives in petrol
Obser vethe no tes on operating fluids
(/ page 430).
* NO
TEDama gefrom use of unsuitable
additives Even small amounts of
the wrong additive
may lead tomalfunctions occur ring. #
Only add cleaning additives recommen‐
ded byMercedes-Benz tothe fuel. Mercedes-Benz
recommends that you use
brand-name fuels with additives.
In some count ries, the fuel available may not
ha ve suf ficient additives. Residue could build up
in the fuel injection sy stem as a result. In this
case, in consultation with a Mercedes-Benz
service centre, mix the fuel with the cleaning
additive recommended byMercedes-Benz.
Obser vethe no tes and mixing ratios indica ted
on theta nk.
In fo rm ation on fuel grades forve hicles with
a diesel engine
Gene ral no tes
Obser vethe no tes on operating fluids
(/ page 430). &
WARNING Risk offire from fuel mixture
If yo u mix diesel fuel with petrol, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel. #
Neverre fuel using petrol in diesel
engines. #
Never mix petrol with diesel fuel. *
NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using sulphur- free diesel
fuel that con form sto European stand‐
ard EN 590, or an equivalent specifica‐
tion.
In countries without sulphur-fre e diesel
fuel, refuel using only lo w-sulphur diesel
fuel with a sulphur content less than
50 ppm. #
Vehicles without diesel particulate
fi lter: refuel using only diesel fuel with
a sulphur content less than 500 ppm.
Ne verre fuel with one of thefo llowing fuels:
R petrol Te
ch nical da ta433
Internal use only

Mercedes-Benz
recommends that you ha vethe
oil change car ried out at a qualified specialist
wo rkshop.
Only use engine oils appr oved byMercedes-
Benz.
Pe trol engines: for cer tain countries, dif fere nt
engine oils can be used in conjunction with
re duced maintenance inter vals.
% Further information on dif fere nt engine oils
can be ob tained at a qualified specialist
wo rkshop. Quality and capacity of engine oil
MB-F
reigabe or MB-Appr oval Pe
trol enginesE ngine oil specifica‐
tions
C 18 02 29.3, 229.5, 229.51,
229.52
229.6*
C 400 4MATIC 229.5
229.6*
All other models 229.51 , 229.52,
229.61
229.71* MB-
Freigabe or MB -Appr oval Diesel engine
sEngine oil specifica‐
tions
All models 228.51, 229.3 1,
229.5 1,229.52,
229.61
229.71* *
re commended for lo west possible fuel con‐
sum ption (lo westSA E viscosity class in ea ch
case; obser vepossible restrictions of the
appr ovedSA E viscosity classes)
To achie vethe lo west possible fuel consum ption,
it is recommended touse the engine oil specifi‐
cations mar ked in theta ble forth e lo west SAE
viscosity class. Possible restrictions of the
appr ovedSA E viscosity classes mu stbe
obser ved.
% Ifth e engine oils lis ted in theta ble are not
av ailable, you may add a maximum of
1. 0 litr e ofthefo llowing engine oils once
onl y.
Engine oils for one-time filling only in exceptional
cases:
R vehicles with a petrol engine:
- C16 0, C 180:MB- Freigabe or MB-
Appr oval 229.3, 229.51 , 229.52 or
AC EA A3/B4
- C 400 4MATIC: MB-Freigabe or MB-
Appr oval 229.3 or ACEA A3/B4 Te
ch nical da ta437
Internal use only

Display messages
Possible causes/consequences and M
MSolutions
ç - - -km/h *A
ctive Dis tance Assi stDISTRONIC cannot be acti vated as not all activation conditions are fulfilled. #
Comply with the activation conditions of Active Dis tance Assi stDISTRONIC (/ page 199).
ç suspended *I
fyo u depress the accelera tor pedal be yond theAc tive Dis tance Assi stDISTRONIC setting, the sy stem will switch
to passive mode (/ page197).
ç Off *A
ctive Dis tance Assi stDISTRONIC was deactivated. If a warning tone also sounds, Active Dis tance Assi st
DISTRONIC has deacti vated automatically (/ page199).
Active Distance Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Dis tance Assi stDISTRONIC is temp orarily una vailable.
The ambient conditions are outside the sy stem limits (/ page197).
As soon as the ambient conditions are within the sy stem limits, the sy stem will become available again. #
Drive on.
Active Distance Assist inop-
erative *A
ctive Dis tance Assi stDISTRONIC is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. 472
Displaymessa ges and warning/indicator lamps
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

ECO display
Function................................................ 16 3
ECO start/s top function
Au tomatic engine start.......................... 161
Au tomatic engine stop...........................1 61
Operation............................................... 161
Switching off/on................................... 16 3
Electric pa rking brake
Applying automaticall y.......................... 182
App lying or releasing manuall y.............. 183
Emergency braking................................ 184
Re leasing automaticall y......................... 183
Electrical fuses see Fuses
Electromagnetic compatibility Declaration of conformity........................ 25
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Emer gency
Fire extinguisher.................................... 389
Fir st-aid kit (so ftsided).........................3 89
Overview of the help functions................ 18
Re moving thewa rning triangle.............. 388
Saf etyve st............................................ 388 Setting up
thewa rning triangle............. 389
Emer gency braking ................................... 184
Emer gency braking
see BAS (Brake Assi stSystem)
Emer gency engine start............................ 407
Emer gency key
Inserting/removing................................. 74
Locking a door........................................ 79
Un locking a door..................................... 79
Emer gency operation mode
St arting theve hicle...............................1 56
Emer gency spare wheel
No tes..................................................... 424
ENERGIZING COMFORT Overview of programmes...................... 285
Starting the programme........................ 286
Engine ECO start/ stop function........................ 161
Engine number...................................... 428
St arting (eme rgency operation mode)...1 56
St arting (Remo teOnline).......................1 57
St arting (s tart/s top button).................. 15 5
St arting assis tance................................ 400 Switching off (s
tart/s top button)...........1 78
Engine bonnet Function (active bonnet)........................ 373
Opening/closing....................................3 74
Engine data Displaying.............................................. 167
Engine electronics Notes....................................................4 26
Engine number......................................... .428
Engine oil Additives...............................................4 36
Capacity................................................ 437
Che cking the oil le vel using the oil
dipstick..................................................3 76
Checking the oil le vel using the on-
board computer..................................... 377
MB-F reigabe or MB-Appr oval................ .437
Quality................................................... 437
To pping up............................................. 378
Entering characters
Fu nction/no tes..................................... 272
On theto uchpad.................................... 274
Using the controller............................... 273528
Index
Internal use only

Diesel...................................................
.433
E10....................................................... .432
Flexible fuel vehicles.............................4 32
Fu elreser ve.......................................... 434
Low outside temp eratures..................... 433
Pe trol..................................................... 432
Quality (diesel)...................................... 433
Quality (p etro l)...................................... 432
Re fuelling............................................... 172
Sulphur content..................................... 432
Ta nk content......................................... 434
Fu nction seat
see Door cont rol panel
Fu ses
Before replacing a fuse.......................... 407
Fu se assignment diagram...................... 407
Fu se box in the boot.............................. 409
Fu se box in the engine compartmen t.... 408
Fu se box in the front passenger foot‐
we ll....................................................... 409
Fu se box on the dashboard................... 409
No tes..................................................... 407 G
Garage door opener Cleari ngthe memory.............................1 82
Opening or closing the door................... 181
Programming buttons............................ 180
Re solving problems...............................1 81
Synchronising thero lling code............... 181
Gearshift recommendation..................... .170
Gene ral operating permit number (EU)... 428
Genuine parts............................................. .22
Genuine wood (Care) ................................ 385
Glide mode................................................ .171 H
Handbrake see Electric parking brake
Handling characteristics (unusual).......... 41 0
HANDS-FREE ACCESS ................................ .83
Hazard warning lights.............................. .128
HD prog rammes
see CI+ module Head
restra int
Fr ont (adjusting mechanically)..............1 03
Re ar (adjusting).................................... .104
Re ar (fitting/removing)......................... .105
Head-up display Adjusting display elements (on-board
compu ter).............................................. 24 9
Ad justing the brightness (on-board
computer).............................................. 24 9
Fu nction................................................ 24 8
Menu (on-board computer).................... 24 9
Operating the memory function.............1 11
Setting the position (on-board com‐
puter)....................................................2 49
Switching on/of f................................... 24 9
Headlamp flashing.................................... 127
Headlamps see Automatic driving lights
Heating see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating......................... 127530
Index
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
andby mode
Ac tivating/deactivating......................... 185
Fu nction................................................ 184
St anding lights.......................................... 12 5
St art-off assi st
see Optimised acceleration
St art/s top button
Pa rking theve hicle................................1 78
St arting theve hicle...............................1 55
Switching on the po wer supply or
ignition.................................................. 154
St art/s top function
see ECO start/ stop function
St arter battery
Charging (Remo teOnline)..................... 15 6
St arting assi stance
see Jump -sta rt connection
St arting the engine
see Vehicle
St arting-o ffaid
see Hill Start Assist
St ation
Deleting................................................. 360 Direct frequency entr
y.......................... 360
Fr equency fix......................................... 361
Moving.................................................. 360
Sea rching..............................................3 60
Setting................................................... 359
St oring..................................................3 60
St ation list
Calling up.............................................. 360
St ation presets
Managing.............................................. 360
St ation tracking
Setting................................................... 361
St ationary heater/ventilation
Displ ays (remo tecontrol)....................... 151
Problems (remo tecontrol)..................... 15 2
Re placing the battery (remo tecontrol).. 151
Setting (multimedia sy stem)..................1 50
Setting (remo tecontrol)........................ 15 0
Switching on/off (control panel )........... 14 9
ST EER CONT ROL
Fu nction/no tes..................................... 19 0
Ste ering wheel
Ad justing (electrically)........................... 108
Ad justing (manually). ............................. 107Buttons..................................................
24 6
Car e...................................................... 385
Oper ating the memory function.............1 11
St eering wheel heater...........................1 08
Ste ering wheel gearshift paddles............ 17 0
Ste ering wheel heater
Swit ching on/of f................................... 108
St ow age areas
see Loading
see Stow age space
St ow age comp artments
see Loading
see Stow age space
St ow age space
Armrest.................................................. 11 4
Centre console....................................... 11 4
Door....................................................... 11 4
Glo vecompa rtment............................... 11 4
USB ports.............................................. 11 4
Sulphur content........................................4 32
Sur round lighting
Setting................................................... 13 4544
Index
Internal use only

Incoming call during an
existing call...... 321
Information........................................... .316
Inter changing mobile phones................. 317
Mobile phone voice recognition............ 320
No tes..................................................... 313
Operating modes...................................3 16
Re ception and transmission volume...... 319
Switching mobile phones (Near Field
Communication (NFC)).......................... 319
Te lephone menu overvie w..................... 315
Te lephone operation.............................. 320
Using Near Field Communication
(NFC).................................................... .319
Vo ice commands (LINGU ATRO NIC)....... 257
Wi reless charging (mobile phone).......... 12 3
Te lephone operation
see Calls
Te lephony operating modes
Blue tooth ®
Te lephony........................... .316
Business telephony............................... .316
Te lephony operating modes
see Second telephone
Te lete xt
Displaying..............................................3 67Overview............................................... 367
Te levision
see TV
Te mp erature
Setting theve hicle interior temp era‐
ture........................................................ 14 4
Te xt messages
Calling a message sender......................3 25
Changing folder s.................................. .325
Composing........................................... .324
Con figuring the displa yedte xt mes‐
sa ge s..................................................... 324
Deleting................................................. 325
Drafts.................................................... 325
No tes..................................................... 324
Options................................................. 325
Outbox.................................................. 325
Re ad-aloud function.............................. 324
Re adin g................................................ .324
Re plying................................................ 325
Sending................................................. 324
Vo ice commands (LINGU ATRO NIC)........2 61
Through-loading feature
see Seat Ti
e-d owney es ............................................ .117
Time Manual time setting...............................2 76
Setting summer time............................. 275
Setting the time and date automati‐
cally....................................................... 275
Setting the time zone. ........................... 275
Setting the time/date form at................2 76
TIREFIT kit Declaration of conformity........................ 29
Storage location.................................... 391
Using..................................................... 392
To ne settings
Calling up the sound menu.................... 369
Information............................................ 369
To ngue weight .......................................... .443
To ol
see Vehicle tool kit
To pTe ther.................................................... 63
To uch Control
On-board computer............................... 24 6
Operating..............................................2 66
Setting the sensitivity............................2 67546
Index
Internal use only

To
uchpad
Ac tivating/deactivating ha ptic oper‐
ation feedback......................................2 69
Operating.............................................. 267
Re ading the handwriting recognition
aloud. .................................................... 268
Selecting a station and track.................2 69
Setting the sensitivity............................2 68
Switching on/of f................................... 267
To w- aw ay protection
Fu nction.................................................. 95
Priming/deactivating.............................. 96
To w- bar sy stem........................................ .243
To w- starting............................................... 407
To wing away.............................................. 403
To wing eye
Ins talling............................................... .406
St orage location.................................... 406
To wing me thods ........................................ 402
Tr ack
Selecting (audio mode )......................... 350
Tr af fic announcements
Ac tivating/deactivating......................... 361 Tr
af fic information
Displaying the tra ffic map.................... .305
Displ aying traf fic incidents.................... 306
Extending a Live Traf fic Information
subscription.......................................... 305
Issuing hazard warnings........................ 307
Live Traf fic Information......................... 305
Overview............................................... 304
Re gis tering Live Traf fic Information....... 305
Tr af fic map
see Map
Tr af fic Sign Assist
Fu nction/no tes...................................... 211
Setting................................................... 212
Sy stem limitations................................. 211
Tr ailer hitch
Axle load.............................................. .443
Bicycle rack ........................................... 241
Car e...................................................... 384
Coupling up/uncoupling a trailer.......... 239
Fa stening points.................................... 441
Fo lding the ball neck out/in.................. 237
General no tes........................................4 41
Mounting dimensions............................ 441
No tes..................................................... 237 Overhang dimension..............................
441
Soc ket.................................................. .239
To ngue weight...................................... .443
To wing capacity.................................... .442
Tr ailer operation
Ac tive Blind Spot Assi st......................... 215
Ac tive Lane Keeping Assist.................... 216
Bicycle rack ........................................... 241
Coupling up/uncoupling a trailer.......... 239
Fo lding the ball neck out/in..................2 37
No tes..................................................... 237
Soc ket.................................................. .239
Tr ailer stabilisation
Fu nction/no tes..................................... 189
Tr ansfer redve hicle data
Android Auto......................................... 331
Apple CarPl ay®
...................................... 331
Tr ansmission (problem)........................... .169
Tr ansmission of theve hicle position
Ac tivating/deactivating......................... 276
Tr ansmission position display.................. 167
Tr anspo rting
Ve hicle..................................................4 05 Index
547
Internal use only