airbag MERCEDES-BENZ C-CLASS SALOON 2012 Owner's Guide

Wi
per blades
R Movethe wiper arms into there placement
position (/ page139).
R With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
R Do not clean the wiper blades too of ten.
Ex terior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, e.g. car sha mpoo.
R Only use cleaning agents or cleaning clo ths
th at are suitable for plast ic lenses.
Sensors
R Clean the sensors in the front and rear
bumpers with a soft clo thand car shampoo
(/ page 186).
R When using a high -pressure cleaner,maintain
a minimum dis tance of 30 cm.
Re versing camera and 360° Camera
R Open the camera co ver with the multimedia
sy stem (/ page 227).
R Use clean water and a soft clo thtoclean the
came ralens. R
Do not use a high-pressure cleaner.
Ta ilpipes
R Clean with a cleaning agent recommended
fo r Mercedes-Benz, especially inthe winter
and af terwa shing theve hicle.
R Do not use acidic cleaning agents.
Tr ailer hitch
R Obse rveth e no tes on care in the trailer hitch
manufacturer's operating instructions.
R Do not clean the ball neck with a high-pres‐
sure cleaner or solvent.
R Remo vetraces of rust on the ball, forex am‐
ple, with a wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, lightly oil or grease the ball
head.
% Before using trailers with anti- torsional cou‐
pling, obser vethe manufacturer's operating
instructions. Note
s on care of the interior &
WARNING Risk of injury from plastic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause su rfaces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. #
Do not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit. &
WARNING Risk of injury or death from
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to
te ar or fail in an accident. #
Never blea chor dye seat belts. To
avo id damage totheve hicle, obser vethefo l‐
lowing no tes on cleaning and care: Maintenance and care
385
Internal use only

Occupant saf
ety Display messages
Possible causes/consequences and M
MSolutions
6 Restraint sys. malfunction
Consult workshop *T
herestra int sy stem is malfunctioning (/ page 38). &
WARNING Risk of injury duetomalfunctions in there stra int sy stem
Components in there stra int sy stem may be activated unintentionally or not deploy as intended in an accident. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. 6
Front left malfunction Con-
sult workshop (exa mp le) *T
he cor responding restra int sy stem is malfunctioning (/ page 38). &
WARNING Risk of injury duetomalfunctions in there stra int sy stem
Components in there stra int sy stem may be activated unintentionally or not deploy as intended in an accident. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. 6
Left windowbag malfunc-
tion Consult work-
shop (exa mp le) *T
he cor responding window airbag is malfunctioning (/ page 38). &
WARNING Risk of injury orfata l injury due toa malfunction in the windowbag
The windowbag might be triggered unintentionally or might not be triggered at all in theeve nt of an accident. #
Have the windowbag checked and repaired immediately at a qualified specialist workshop. 446
Displaymessa ges and warning/indicator lamps
Internal use only

Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag has been disabled eventh ough an adult or a person of adult build is on the front
passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact with th eve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Makesure that no objects are trapped under the front passenger seat. #
Check thest atus of the automatic front passenger airbag actuation (/ page 48). #
If necessar y,consult a qualified specialist workshop immediatel y.
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag will be enabled while theve hicle is in motion in thefo llowing situations:
R even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat
R even when the front passenger seat is not occupied
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. Display messages and
warning/indicator lamps 447
Internal use only

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of injury or death when using a child restra int sy stem while the front passenger airbag is
enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theeve nt of an accident.
The child could be stru ck bythe airbag. #
Ensure, bo thbefore and during the journe y,that thest atus of the front passenger airbag is cor rect.
NEVER use a rear wa rdfacing child restra int on a seat pr otected byan ACTIVE AIRB AGin front of it, DE ATH or
SERIOUS INJU RYtotheCH ILD can occur. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Makesure that no objects are trapped under the front passenger seat. #
Check thest atus of automatic front passenger airbag actuation (/ page 48).#
If necessar y,consult a qualified specialist workshop immediatel y.
PRE-SAFE inoperative See
Owner's Manual *
The PRE‑SAFE ®
functions are malfunctioning. #
Consult a qualified specialist workshop. 448
Displaymessa ges and warning/indicator lamps
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

Car
wash (care)..........................................3 81
Care 360° camera........................................ .384
Air-water duct........................................ 381
Au tomatic car wash............................... 381
Carpe t.................................................. .385
Decorative foil...................................... .383
Displ ay.................................................. 385
Exterior lighting..................................... 384
High-pressure cleaner........................... 382
Matt finis h............................................. 383
Pa int wo rk.............................................. 383
Plastic trim............................................ 385
Re alwo od/trim elements..................... 385
Re versing camera................................. .384
Ro of lining.............................................3 85
Seat belt............................................... .385
Seat co ver............................................. 385
Senso rs................................................. 384
St eering wheel...................................... 385
Ta ilpipes................................................ 384
Tr ailer hit ch........................................... 384
Wa shing byhand................................... 382
Wheels/rims.........................................3 84
Wi ndo ws................................................ 384 Wi
per blades.........................................3 84
Carpet (Care)............................................ .385
Changing bulbs Dipped beam......................................... 13 6
Fitting/removing co ver (front wheel
ar ch )...................................................... 13 6
Main beam............................................ 13 6
No tes..................................................... 13 5
Opening/closing the side trim panels.. .137
Overview............................................... 13 5
Re versing lights.................................... .137
Tu rn signal light (front).......................... 13 6
Tu rn signal lights (rear).......................... 137
Changing gears
Manually. ............................................... 17 0
Changing hub caps .................................... 419
Changing the lights
Driving abroad (symm etrical low
beam)................................................... .125
Charging Battery (vehicle).................................... 400
USB port................................................ 12 2Chassis
Damping characteristics....................... .218
DY NA MIC BODY CONTROL.................... 218
Child saf ety lock
Re ar door................................................ 70
Re ar side wind ows................................... 71
Child seat App rova l categories................................ .57
At tach ing (no tes).....................................57
Basic instructions.................................... 52
Fr ont passenger seat (no tes)...................68
Fr ont passenger seat (without auto‐
matic airbag shutoff)...............................67
ISOFIX/i-Size (fitting)............................... 61
No tes on risks and dangers..................... 53
Re commended child restra int sy stems.... 56
Seats suitable for belt-secu redch ild
re stra int sy stems..................................... 64
Seats suitable for i‑Size child
re stra int sy stems..................................... 60
Seats suitable for ISOFIX child
re stra int sy stems..................................... 59
Securing on the co-driver seat................69
Secu ring on there ar seat........................ 66
To pTe ther............................................... 63 Index
519
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

EQ Boost
Operating saf ety...................................... 23
ERA-GLO NASS test mode
St arting/ending.................................... 339
Er ro r message
see Displ aymessa ge
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist.................................. .189
Tr ailer stabilisation................................ 189
ESP ®
(Electronic Stability Prog ram)
Ac tivating/deactivating......................... 19 0
Fu nction/no tes..................................... 188
EU general operating permit number ...... 428
Exterior lighting see Lights
Exterior lighting (care).............................. 384 F
Fa tigue de tection
see ATTENTION ASSIST Favo
urites
Ad ding................................................... 270
Calling up.............................................. 270
Del eting................................................. 270
Moving.................................................. 270
Overview...............................................2 69
Re naming.............................................. 270
Fi lling station sear ch
St arting automatic sear ch..................... 291
Switching the automatic sear chon/
off.......................................................... 297
Using automatic sear ch......................... 297
Fi re extinguisher....................................... 389
Firs t-aid kit (soft sided) ............................ 389
Flacon Inse rting/ removing.............................. .148
Flat towing
see Tow- bar sy stem
Flat tyre MOEx tended tyres................................. 391
No tes.................................................... 390
TIREFIT kit............................................. 392
Wheel change........................................ 41 8Floor mats
.................................................. 12 3
Fo g light (extended range) ....................... 13 0
Fo il co vering
Ra dar and ultrasonic sensor s................ 186
Fr ag rance
see Frag rance sy stem
Fr ag rance sy stem
Inserting/removing theflacon...............1 48
Setting................................................... 147
Fr ee software............................................. .36
Fr equencies
Mobile phon e....................................... .427
Tw o-w ayradio........................................ 427
Fr ont airbag (driver, front passenger).......43
Fr ont passenger seat
see Seat
Fr ont wheel ar ch
Fitting/removing the co ver.................... 13 6
Fr ont wheel ar chcover
Fitting/removing.................................. .136
Fu el
Ad ditives...............................................4 33 Index
529
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