MERCEDES-BENZ C-CLASS SALOON 2012 Owners Manual
Manufacturer: MERCEDES-BENZ, Model Year: 2012, Model line: C-CLASS SALOON, Model: MERCEDES-BENZ C-CLASS SALOON 2012Pages: 557, PDF Size: 10.15 MB
Page 181 of 557

Ad
Blue ®
re fill canis ter4 can be remo ved
when it has been only partially em ptied. #
Unscr ew and close disposable hose 3and
Ad Blue ®
re fill canis ter4 inreve rse order. #
Replace AdBlue ®
filler cap 2and turn it
clockwise until it audibly engages. #
Close fuel filler flap 1. #
Swit chon the ignition for at least 60 sec‐
onds.
% Ifth e engine could not be star ted due tothe
Ad Blue ®
tan k being empty, it can take up to
60 seconds forth eto p up tobe de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re fill conta iners per‐
manently in theve hicle. Pa
rking Pa
rking theve hicle &
WARNING Risk of accident and inju ry
caused byan insuf ficiently secu redve hi‐
cle rolling away
If th eve hicle is not securely par ked suf fi‐
ciently, it can rollaw ay in an uncontro lled
wa yev en at a slight downhill gradient. #
On uphill or downhill gradients, turn the
front wheels so that theve hicle rolls
to wa rdsth eke rb if it starts moving. #
apply the parking brake. #
Switch the transmission toposition j. &
WARNING Risk offire caused byhot
ex haust sy stem parts
Flammable materials such as lea ves, grass or
twigs may ignite. #
Park theve hicle so that no flammable
material can come into con tact with hot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. &
WARNING Risk of accident and inju ry
due toleaving children unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could, in part icular:
R open doors, thereby endangering other
persons or road users.
R get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. 17 8
Driving and pa rking
Internal use only
Page 182 of 557

#
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. *
NO
TEDama getotheve hicle due toit
ro lling away #
Alw ays secure theve hicle against roll‐
ing away. *
NO
TEDama gedue totheve hicle lo wer‐
ing Ve
hicles with AIRMATIC or le vel control:
The vehicle can lo wer because of temp era‐
ture dif fere nces or longer non-operational
times. This can cause dama getoparts of the
body. #
When stopping theve hicle and when
driving off, make sure that there are no
obs tacles su chas curbs under or in the
immediate vicinity of the body. #
Bring theve hicle toast andstill bypressing
th e brake pedal. #
On gradients, turn the front wheels so that
th eve hicle will rollto wa rdsth eke rb if it
st arts moving. #
App lythe electric parking brake. #
Enga getransmission position jin a station‐
ary vehicle with the brake pedal applied
(/ page 169). #
Switch off the engine and the ignition by
pressing the1 button. #
Release the service brake slowl y. #
Get out of theve hicle and lock it.
% When you park theve hicle, you can still
operate the side windo wsand the sliding
sunroof for appro ximately four minutes if the
driver's door is closed.
% When you park theve hicle, you can still
operate the side windo wsand the panoramic
sliding sunroof for appro ximately four
minutes if the driver's door is closed. Driving and parking
17 9
Internal use only
Page 183 of 557

Garage door opener
Prog
ramming buttons for the garage door
opener &
DANG ER Risk of death caused by
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and leads topoisoning. #
Never lea vethe engine or, if present,
th e auxiliary heating running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk of injury when opening
or closing a door with thega rage door
opener
When you operate or program the door with
th e integrated garage door opener, persons
in thera nge of mo vement of the door may
become trapped or be stru ck bythe door. #
Alw ays make sure that nobody is within
th era nge of mo vement of the door. Re
quirements:
R The vehicle has been par ked outside the
ga rage or outside thera nge of mo vement of
th e door.
R The engine is switched off.
R The ignition is switched on.
% The garage door opener function is alw ays
av ailable when the ignition is switched on. #
Press and hold button 1,2or3 that you
wish toprog ram.
Indicator lamp 4flashes yello w.
% It can take up to20 seconds before the indi‐
cator lamp flashes yello w. #
Release the pr eviously pressed button.
Indicator lamp 4continues toflash yello w. 18 0
Driving and pa rking
Internal use only
Page 184 of 557

#
Point remo tecontrol 5from a dist ance of
1 cm to8 cm towa rds button 1,2or3. #
Press and hold button 6ofremo tecontrol
5 until one of thefo llowing signals appears:
R Indicator lamp 4lights up green contin‐
uousl y.Programming is comple te.
R Indicator lamp 4flashes green. Pro‐
gramming was successful. Additionall y,
synchronisation of thero lling code with
th e door sy stem must also be car ried out. #
If indicator lamp 4does not light up or flash
green: repeat the procedure. #
Release all of the buttons.
% The remo tecontrol forth e door drive is not
included in the scope of delivery of the
ga rage door opener.
Synchronising thero lling code
Re quirements:
R The door sy stem uses a rolling code.
R The vehicle must be within range of the
ga rage door or door drive. R
The vehicle as well as persons and objects
are located outside thera nge of mo vement
of the door. #
Press the programming button on the door
drive unit.
Initiate the next step within appr oximately
30 seconds. #
Press pr eviously prog rammed button 1,2
or 3 repeatedly until the door closes.
When the door closes, programming is com‐
ple ted.
% Please also read the operating instructions
fo rth e door drive.
Tr oubleshooting when prog ramming the
re mo tecont rol #
Check if the transmit ter frequency of remo te
control 5is support ed. #
Replace the batteries in remo tecontrol 5. #
Hold remo tecontrol 5atvarious angles
from a dis tance of 1 cm to8 cm front of the
inside rearview mir ror.Yo u should test eve ry
position for at least 25 seconds before trying
ano ther position. #
Hold remo tecontrol 5atthe same angles
at various dis tances in front of the inside rear
view mir ror.Yo u should test eve ryposition
fo r at least 25 seconds before trying ano ther
position. #
Onremo tecontrols that transmit on lyfor a
limi ted period, press button 6onremo te
control 5again before transmission ends. #
Align the aerial line of the door opener unit
with there mo tecontrol.
% Support and additional information on pro‐
gramming:
R Onthe HomeLink ®
Hotline on (0) 08000
466 354 65 or +49 (0) 6838 907-2 77
R Onthe Internet at https://
www.homelin k.com
Opening or closing the garage door
Requ irements:
R The cor responding button is programmed to
operate the door. #
Press and hold buttons 1,2or3 until
th e door opens or closes. Driving and parking
181
Internal use only
Page 185 of 557

#
If indicator lamp 4flashes yellow af ter
appr oximately 20 seconds: press and hold
th e pr eviously pressed button again until the
door opens or closes.
Clearing thega rage door opener memo ry#
Press and hold buttons 1and 3.
Indicator lamp 4lights up yello w. #
If indicator lamp 4flashes green: release
buttons 1and 3.
The entire memo ryhas been dele ted. Electric parking brake
Fu
nction of the electric pa rking brake (apply‐
ing automatically) &
WARNING Risk of accident and inju ry
due toleaving children unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could, in part icular:
R open doors, thereby endangering other
persons or road users. R
get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of there ach of
ch ildren. The elect
ric pa rking brake is applied if the trans‐
mission is in position jand one of thefo llow‐
ing conditions is fulfilled:
R The engine is switched off. R
The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
% Toprev ent application: pull the handle of the
electric parking brake (/ page183).
In thefo llowing situations, the electric parking
brake is also applied:
R Active Dis tance Assi stDISTRONIC is bringing
th eve hicle toast andstill.
R The HOLD function is keeping theve hicle sta‐
tionar y.
R Active Parking Assist is keeping theve hicle
st ationar y.
This is the case if one of thefo llowing conditions
is also fulfilled:
R The engine is switched off.
R The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
R There is a sy stem malfunction.
R The po wer supply is insuf ficient.
R The vehicle is stationary for a lengt hyperiod. 18 2
Driving and pa rking
Internal use only
Page 186 of 557

When
the electric parking brake is applied, the
re d! indicator lamp lights up in the instru‐
ment clus ter.
The electric parking brake is not automatically
applied if the engine is switched off bythe ECO
st art/ stop function.
Electric parking brake function (releasing
automatically)
The electric parking brake is released when the
fo llowing conditions are fulfilled:
R The driver's door is closed.
R The engine is running.
R The transmission is in position hork and
yo u depress the accelera tor pedal or you
shift from transmission position jtoh or
k when on le velground withthe driver's
door closed.
R Ifth e transmission is in position k,the boot
lid must be closed.
R The seat belt tongue is inser ted into the seat
belt buckle of the driver's seat. If
th e seat belt tongue is not inser ted into the
seat belt buckle of the driver's seat, one of
th efo llowing conditions must be fulfilled:
- You shift from transmission position j.
- You ha veprev iously driven at speeds
greater than 3 km/h.
When the electric parking brake is released, the
re d! indicator lamp in the instrument clus‐
te r goes out. Applying/releasing
the electric pa rking
brake manually
Applying #
Push handle 1.
The red! indicator lamp lights up in the
instrument clus ter. Driving and pa
rking 18 3
Internal use only
Page 187 of 557

%
The electric parking brake is only securely
applied if the indicator lamp is lit continu‐
ously.
Re leasing #
Swit chon the ignition. #
Pull handle 1.
The red! indicator lamp in the instru‐
ment clus ter goes out.
Emer gency braking #
Press and hold handle 1.
As long as theve hicle is driving, theRelease
parking brake message is displa yed and the
re d! indicator lamp flashes.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The red! indicator lamp lights
up in the instrument clus ter. Information on collision de
tection on a
pa rked vehicle If a collision is de
tected when theto w- aw ay pro‐
te ction is primed on a loc kedve hicle, you will re
cei vea notification in the multimedia sy stem
when you swit chon the ignition.
Yo u will recei veinformation about thefo llowing
points:
R The area of theve hicle that may ha vebeen
damaged.
R The forc e of the impact.
The following situations can lead toinadver tent
acti vation:
R The pa rked vehicle is mo ved, e.g. in a two-
st or ey garage.
% Deactivate tow- aw ay protection in order to
pr eve nt inadver tent acti vation. If you deacti‐
va te tow- aw ay protection, collision de tection
will also be deactivated.
Sy stem limits
De tection may be restricted in thefo llowing sit‐
uations:
R theve hicle is damaged without impact, e.g. if
an outside mir ror is torn off or the paint is
damaged byakey
R an impact occurs at low speed R
the electric parking brake is not applied Note
s on parking up theve hicle If
yo u lea vetheve hicle par ked up for longer than
six weeks, it may suf fer dama gethro ugh disuse.
The 12V battery may also be impaired or dam‐
aged byheavy discharging.
% Further information can be obtained at a
qu alified specialist workshop.
* NO
TEPlug-in hybrid #
Obser vethe no tes about the high-volt‐
age battery in the Supplement. Yo u
could otherwise failto recognise dan‐
ge rs. St
andby mode (extension of the star ter bat‐
te ry 's period out of use) St
andby mode function
% This function is not available for all models. 184
Driving and pa rking
Internal use only
Page 188 of 557

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
Page 189 of 557

Information on
vehicle sensors and cameras Some driving and driving saf
ety sy stems use
cameras as well as radar or ultrasonic sensors
to monitor the area in front of, behind or next to
th eve hicle. %
The radar sensors are integ rated behind the
bumpers and/or behind the Mercedes star.
1 Cameras in the outside mir rors 2
Multifunction camera
3 Front camera
4 Ultrasonic sensors
5 Reversing camera &
WARNING Risk of accident due to
re stricted de tection per form ance of vehi‐
cle sensors and cameras
If th e area around vehicle sensors or cam‐
eras is co vered, damaged or dirty, cer tain
driving and saf ety sy stems cann otfunction
cor rectly. The reis a risk of an accident. #
Keep the area around vehicle sensors
or cameras clear of any obstructions
and clean. #
Have damage tothe bumper, radiator
grille or stone chipping in the area of
th e front and rear wind owsrepaired at
a qu alified specialist workshop. Pa
rticular ly,ke ep the areas around the sensors
and cameras free of dirt, ice or slush
(/ page 384). The sensors and cameras must not be co
vered and the de tection ranges around
th em must be kept free. Do not attach additional
license plate brackets, ad vertisements, sticke rs,
fo ils or foils toprotect against stone chippings in
th e de tection range of the sensors and cameras.
Make sure that there are no overhanging loads
pr otru ding into the de tection range.
If th ere is damage toa bumper or thera diator
grille, or af ter an impact, ha vethe function of
th e sensors checked at a qualified specialist
wo rkshop. Ha vedamage or stone chipping in the
area of the cameras on the front and rear win‐
do ws repaired at a qualified specialist workshop. Overview of driving sy
stems and driving
saf ety sy stems R
ABS (Anti-lo ckBra king System)
(/ page 187)
R BAS (Bra keAssist System) (/ page187)
R ESP ®
(Electronic Stability Program)
(/ page 188)
R ESP ®
Crosswind Assi st (/ page 189)
R ESP ®
trailer stabilisation (/ page189) 18 6
Driving and pa rking
Internal use only
Page 190 of 557

R
EBD ( Electronic Brakeforce Distribution)
(/ page 190)
R STEER CONTROL (/ page 190)
R HOLD fu nction (/ page 190)
R Hill Start Assist (/ page191)
R Adaptive Brake Lights (/ page192)
R ATTENTION ASSIST (/ page192)
R Cruise control (/ page194)
R Limi ter (/ page194)
R Traf fic Sign Assi st (/ page 211)
R DYNA MIC BODY CONTROL (/ page218)
R AIRMATIC (/ page219)
Driving Assistance pac kage
The following functions are part of the Driving
Assis tance Package. Cer tain functions are only
av ailable in some countries. Some functions are
also available without the Driving Assis tance
Pa ckage, albeit with restricted functionality.
R Active Dis tance Assi stDISTRONIC
(/ page 197) R
Active Speed Limit Assi st(countr y-depend‐
ent) (/ page 201)
R Route-based speed adap tation (countr y-
dependent) (/ page 202)
R Active Brake Assi st (/ page 206)
R Active Steering Assist (count ry-dependent)
(/ page 203)
R Active Emergency Stop Assist (countr y-
dependent) (/ page 206)
R Blind Spot Assist and Active Blind Spot Assi st
with exitwa rning (/ page213)
R Active Lane Keeping Assist (/ page216)
Park ingPackage
R Reversing camera (/ page 221)
R 360° Camera (/ page 223)
R Parking Assist PARKTRONIC ( /page 227)
R Active Parking Assist (/ page 231) Fu
nction of ABS The Anti-lock Brake Sy
stem (ABS) regulates the
brake pressure in critical driving situations:
R During braking, e.g. at full brake application
or insuf ficient tyre traction, the wheels are
pr eve nted from lock ing.
R Vehicle steerability while braking is ensured.
If ABS inter venes when braking, you will feel a
pulsing in the brake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditions and can ser veas a reminder totake
ex tra care while driving. Fu
nction of BAS The Brake Assist Sy
stem (BAS) supports your
eme rgency braking situation with additional
brake forc e.
If yo u depress the brake pedal quickl y,BA S is
acti vated:
R BAS au tomatically boosts the brake pres‐
sure.
R BAS can sho rten the braking dis tance. Driving and pa
rking 187
Internal use only