2012 MERCEDES-BENZ C-CLASS SALOON alarm

The immobiliser is automatically activated when
th
e ignition is switched off and deactivated when
th e ignition is switched on. ATA
(Anti-Theft Alarm sy stem) Fu
nction of theATA system
If th eATA system is primed, a visual and audible
alarm is triggered in thefo llowing situations:
R when a door is opened
R when the boot lid is opened
R when the bonn etis opened
R when interior pr otection is triggered
(/ page 96)
R when tow- aw ay protection is triggered
(/ page 95)
The ATA system is primed automatically af ter
appr oximately ten seconds in thefo llowing situa‐
tions:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Indicator lamp
1flashes when theAT A sy stem
is primed.
The ATA sy stem is deactivated automatically in
th efo llowing situations:
R afte r unlocking theve hicle with thekey
R afte r unlocking theve hicle using KEYLESS-
GO R
afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 156)
% When the Mercedes‑Benz emer gency call
sy stem is active and the alarm stay s on for
more than 30 seconds, a message is auto‐
matically sent tothe Cus tomer Assis tance
Centre (/ page 337).
Deactivating theATA #
Press theÜ, ßorp button on the
key.
or #
Press thest art/ stop button with theke y in
th estow age compartment (/ page156)
Deactivating the ala rmusing KEYLESS-GO #
Grasp the outside door handle with thekey
outside theve hicle. Fu
nction of tow- aw ay protection An audible and visual alarm is triggered if an
alteration
to yourvehicle's angle of inclination is
de tected while tow- aw ay protection is primed. Opening and closing
95
Internal use only

To
w- aw ay protection is automatically primed
af te r appro ximately 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R doors
R boot lid
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 156)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
In fo rm ation on collision de tection on a park ed
ve hicle (/ page184). Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
4 Vehicle 5
î Vehicle settings
5 Tow-away protection #
Activate Oor deacti vate ª the function.
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior.
Interior pr otection is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo l‐
lowing components are closed:
R doors
R boot lid
Interior pr otection is automatically deactivated:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 156)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse
alarm:
R moving objects such as masc ots in theve hi‐
cle interior
R when the side window is open
R when the sliding sunroof is open
R when the panoramic sliding sunroof is open 96
Opening and closing
Internal use only

Ensu
rethefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R The fuel tank is su fficiently full.
St arting theve hicle (Remo teOnline) &
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work. #
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position jis selected.
R the anti- theft alarm sy stem is not activated.
R the panic alarm is not activated. R
the hazard warning light sy stem is switched
off.
R the bonn etis closed.
R the doors are closed and loc ked.
R the windo wsand sliding sun roof are closed. #
Start theve hicle using the smartphone.
Af tereve ryengine start, the engine runs for
te n minu tes.
Yo u can car ryout a maximum of two consecu‐
tive starting attem pts. Yo u must start theve hicle
once with theke y before trying tostart the
engine again with the smartphone. you can stop
th eve hicle again at any time.
% Further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: #
switch on the hazard warning light sy stem.
or #
unlock the doors.
or #
open a side window or the sliding sunroof. Ru
nning-in no tes To
preser vethe engine during thefirs t15 00 km:
R drive at varying road speeds and engine
speeds.
R do not drive at speeds greater than
14 0 km/h.
R drive theve hicle in drive program A
or ;.
R shift tothe next highest gear at theve ry lat‐
est when the needle reaches the last third
before there d area in there v counter.
R do not shift down a gear manually in order to
brake.
R avoidove rstraining theve hicle, e.g. driving at
full thro ttle.
R do not depress the accelera tor pedal past
th e pressure point (kickdown).
R only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
15 00 km. Driving and parking
157
Internal use only

If
standby mode is activated, ene rgy loss will be
minimised during extended pe riods of non-oper‐
ation.
St andby mode is characterised bythefo llowing:
R The star ter battery is preser ved.
R The maximum non-operational time appears
inthe media displa y.
R The connection toonline services is inter rup‐
te d.
R The ATA (anti-theft alarm sy stem) is una vaila‐
ble.
R The interior pr otection and tow- aw ay protec‐
tion functions are not available.
R The function for de tecting collisions on a
pa rked vehicle is not available.
If th efo llowing conditions are fulfilled, standby
mode can be activated or deactivated using the
multimedia sy stem:
R The engine is switched off.
R The ignition is switched on.
Exceeding theve hicle's displa yed non-opera‐
tional time may cause incon venience, i.e. it can‐ not be guaranteed
that thest ar ter battery will
re liably start the engine.
The star ter battery must be charge dfirs t in the
fo llowing situations:
R The vehicle's non-operational time must be
ex tended.
R The Battery charge insufficient for standby
mode messa geappears in the media displa y.
% Standby mode is automatically deactivated
when the ignition is switched on.
Ac tivating/deactivating standby mode
Multimedia sy stem:
4 Vehicle 5
î Vehicle settings
5 Standby mode
% This function is not available for all models. #
Activate Oor deacti vate ª the function.
When you activate the function, a prom pt
appears. #
Select Yes.
St andby mode is activated. Driving and driving saf
ety sy stems Driving sy
stems and your responsibility Yo
ur vehicle is equipped with driving sy stems
which assist you in driving, parking and manoeu‐
vring theve hicle. The driving sy stems are only
aids. They are not a substitute foryo ur attention
to the sur roundings and do not relie ve you of
yo ur responsibility per taining toroad traf fic la w.
The driver is alw aysre sponsible for maintaining
a safe dis tance totheve hicle in front, forve hicle
speed, for braking in good time and forst ay ing
in lane. Pay attention tothe tra ffic conditions at
all times and inter vene when necessary . Be
aw are of the limitations rega rding the safe use of
th ese sy stems.
Driving sy stems can neither reduce therisk of
accident if youfa ilto adapt your driving style nor
ove rride the la wsof ph ysics. They cannot alw ays
ta ke into account road, weather or traf fic condi‐
tions. Driving and park
ing18 5
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

REA
CHregulation.................................... 32
Re gistration............................................. 31
St andby mode function........................ .184
St arting (eme rgency operation mode)...1 56
St arting (Remo teOnline).......................1 57
St arting (s tart/s top button).................. 15 5
Switching off (s tart/s top button)...........1 78
To wing.................................................. .243
Un locking (from inside).......................... .77
Un locking (KEYLESS-GO)........................ .78
Ve ntilating (co nvenience opening)........... 87
Vo ice commands (LINGU ATRO NIC)....... 262
Ve hicle data
Displ aying (DYNAMIC SELECT).............. 167
Ro of load............................................... 441
Tr ans ferring toAndroid Auto.................. 331
Tr ans ferring toApple CarPl ay®
.............. 331
Ve hicle height....................................... 440
Ve hicle length........................................4 40
Ve hicle width.........................................4 40
Wheelbase............................................. 440
Ve hicle dimensions ................................... 440
Ve hicle identification number
see VIN Ve
hicle identification plate
EU general operating pe rmit number.... 428
Pa int code............................................. 428
Pe rm issible axle load............................ .428
Pe rm issible gross mass......................... 428
VIN....................................................... .428
Ve hicle interior
Cooling or heating (Remo teOnline).......1 56
Ve hicle key
see Key
Ve hicle maintenance
see ASS YST PLUS
Ve hicle tool kit
TIREFIT kit............................................. 391
To wing eye............................................ 406
Ve ntilating
Con venience opening.............................. 87
Ve ntilation
see Climate cont rol
Ve nts
see Air vents
Vi deo mode
Ac tivating............................................... 351 Ac
tivating/deactivating full-screen
mode..................................................... 352
Overview............................................... 352
Setting s................................................. 353
VIN Identification plate................................ 428
Seat....................................................... 428
Windsc reen........................................... 428
Vi sion
Demisting windo ws................................ 147
Vo ice command types (LINGUA‐
TRONIC)...................................................... 251
Vo ice control sy stem
see LINGU ATRO NIC W
Wa rning lamps
see Warning/indicator lamps
Wa rning sy stem
see ATA (anti-theft alarm sy stem)
Wa rning triangle
Re moving.............................................. 388
Setting up............................................. .389 550
Index
Internal use only