reset MERCEDES-BENZ C-CLASS SALOON 2012 Owners Manual

Moreo
ver,connecting equipment tothe diagnos‐
tics connection can lead toemissions monitor‐
ing information being reset, forex ample. This
may lead totheve hicle failing tomeet the
re qu irements of the next emissions inspection
during the main inspection. Qualified specialist
workshop
* NO
TEPlug-in hybrid #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. A
qu alified specialist workshop has the neces‐
sary special skills, tools and qualifications to
cor rectly car ryout any necessary workon your
ve hicle. This particularly applies tosaf ety-re le‐
va nt wo rks.
Alw ays ha vethefo llowing workcar ried out on
yo ur vehicle at a qualified specialist workshop:
R safety-re leva nt wo rks
R service and maintenance work R
repair work
R modifications as well as ins tallations and
con versions
R workon electronic components
R vehicles with 48 V on-board electrical
sy stem (EQ boost tech nology): workon
high voltage components of the 48 V on-
board electrical sy stem
Mercedes‑Benz recommends a Mercedes‑Benz
service centre. Ve
hicle registration
Mercedes-Benz may ask its service centres to
car ryout tech nical inspections on cer tain vehi‐
cles. The quality or saf ety of theve hicle is
impr oved as a result of the inspection.
Mercedes-Benz can only inform you about vehi‐
cle checks if Mercedes-Benz has your registra‐
tion data. It is possible
that your vehicle has not yet been
re gis tere d in your name in thefo llowing cases:
R ifyo ur vehicle was not pur chased at an
authorised specialist dealer.
R ifyo ur vehicle has not yet been examined at
a Mercedes-Benz service centre.
It is advisable toregis teryo ur vehicle with a
Mercedes-Benz service centre.
Inform Mercedes-Benz as soon as possible
about any change in address or vehicle owner‐
ship. You can do this at a Mercedes-Benz service
centre, forex ample. Cor
rect use of theve hicle
If yo ure mo veany warning sticke rs,yo u or others
could failto recognise cer tain dangers. Lea ve
wa rning sticke rs in position.
Obser vethefo llowing information in particular
when driving your vehicle:
R the saf ety no tes in this manual
R tech nical da taforth eve hicle
R traf fic ru les and regulations General no
tes31
Internal use only

data can also be used
toexamine the cus tom‐
er's warranty and guarantee claims.
Fa ult memories in theve hicle can be reset by a
service outlet or at your requ est as part of repair
or maintenance work.
Con venience and inf otainment functions
Yo u can store con venience settings and individ‐
ual settings in theve hicle and change or reset
th em at any time.
Depending on theve hicle equipment, this
includes thefo llowing settings, forex ample:
R seat and steering wheel positions
R suspension and climate control settings
R individual settings, such as interior lighting
Depending on the selected equipment, you can
import data into vehicle inf otainment functions
yo urself.
Depending on theve hicle equipment, this
includes thefo llowing data, forex ample:
R multimedia data, such as music, films or pho‐
to sfo r playback in an integrated multimedia
sy stem R
address book data for use in connection with
an integrated hands-free sy stem or an inte‐
grated navigation sy stem
R entered navigation destinations
R data about the use of Internet services
These data for con venience and inf otainment
functions may be sa ved locally in theve hicle or
th ey may be located on a device which you ha ve
connected totheve hicle, such as a smartphone,
USB flash drive or MP3 pla yer.If yo u ha ve
entered these data yourself, you can dele tethem
at any time.
This data is transmit ted from theve hicle tothird
parties only at your requ est. This applies, in par‐
ticular, when you use online services in accord‐
ance with the settings that you ha veselected.
Smartphone integ ration (e.g. Android Autoor
Apple CarPlay)
If yo ur vehicle is accordingly equipped, you can
connect your smartphone or ano ther mobile end
device totheve hicle. You can then control them
by means of the control elements integrated in
th eve hicle. Images and audio from the smart‐
phone can be output via the multimedia sy stem. Cer
tain information is simultaneously transfer‐
re dto yo ur smartphone. Depending on the type
and integration, this includes position data, the
day/night mode and other general vehicle sta‐
tuses. For more information please consult the
Owner's Manual of theve hicle/inf otainment sys‐
te m.
This integration allows the use of selected
smartphone apps, such as navigation or music
pla yer apps. There is no fur ther interaction
between the smartphone and theve hicle; in par‐
ticular, vehicle data is not directly accessible.
The type of additional data processing is de ter‐
mined bythe pr ovider of the app being used.
Which settings you can make, if an y,depends on
th e specific app and the operating sy stem of
yo ur smartphone. Online services
Wi
reless network connection
If yo ur vehicle has a wireless network connec‐
tion, it enables data tobe exc hanged between
yo ur vehicle and additional sy stems. The wire‐
less network connection is made possible bythe Gene
ral no tes 35
Internal use only

#
Tointer rupt automatic operation: press or
pull theW button again.
When theve hicle is switched off, you can con‐
tinue tooperate the side windo ws.
This function is available for around four minutes
or until a front door is opened.
Au tomatic reve rsing function of the side win‐
do ws
If an obs tacle impedes a side window du ring the
closing process, the side window will open again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tethere being reve rsing pr otection
on the side window
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. fingers.
R during resetting. The
reve rsing function cannot pr event some‐
one from becoming trapped in these situa‐
tions. #
During the closing process, make sure
th at no body parts are in the closing
area. #
If someone becomes trapped, press the
W button toopen the side window
again. Au
tomatic function of the side windo ws In
thefo llowing cases, the side windo wswill be
closed automatically when theve hicle is
switched off:
R if it starts torain
Ra in is de tected byara in sensor on the
windscreen.
R inextreme temp eratures
R afte r a cer tain time (depending on the on-
board electrical sy stem voltage)
R ifth ere is a malfunction in the po wer supply The side windo
wswill be closed as far as the
ve ntilation position.
Ve hicles with a sliding sunroof: the side win‐
do ws will be closed comple tely ifth e sliding sun‐
ro of is open.
If th e side windo wsare obstructed during auto‐
matic closing, the side window concerned will
open again slightl y.The automatic function for
th e sliding sunroof and the side windo wswill
th en be deactivated. Con
venience opening (ventilating theve hicle
before starting a journey) &
WARNING Risk of entrapment when
opening a side window
When opening a side windo w,parts of the
body could be dr awn in or become trapped
between the side window and window frame. #
When opening, make sure that nobody
is touching the side windo w. #
Release the button immediately if
somebody becomes trapped. Opening and closing
87
Internal use only

The panorama sliding sunroof can be operated
only when
thero ller sunblind is open. #
Check whe ther the sliding sunroof can be
ra ised or opened when a roof luggage rack is
fi tted. #
Tostart automatic operation: pressthe
3 button be yond the point of resis tance
or pull and release it. #
Tointer rupt automatic operation: briefly
press the3 button in any direction.
The opening/closing process will be stop‐
ped.
Au tomatic reve rsing function of the sliding
sunroof
If an obs tacle obstructs the sliding sunroof dur‐
ing the closing process, the sliding sunroof will
open again automaticall y.The automatic reve rs‐
ing function is only an aid and is not a substitute
fo ryo ur attentiveness. #
During the closing process, make sure that
no body parts are in the closing area. &
WARNING Risk of becoming trapped
despi tethere ve rsing function being
active
In particular, there ve rsing function does not
re act:
R tosoft, light and thin objects, e.g. fingers.
R towa rdsth e end of the closing procedure.
R during resetting. #
During the closing process, make sure
th at no body parts are in the closing
area. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during automatic operation.
The closing process will be stopped. Au
tomatic reve rsing function of thero ller
sunblind
If an obs tacle obstructs thero ller sunblind dur‐
ing the closing process, thero ller sunblind will
open again automaticall y.The automatic reve rs‐ ing function is only an aid and is not a substitute
fo
ryo ur attentiveness. #
When closing thero ller sunblind, make sure
th at no body parts are in thera nge of mo ve‐
ment. &
WARNING Risk of becoming trapped
despi tereve rsing function
In particular, there ve rsing function does not
re act tosoft, light and thin objects, e.g. fin‐
ge rs. #
When closing thero ller sunblind, make
sure that no body parts are in thera nge
of mo vement. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during the automatic closing process.
The closing process will be stopped. Opening and closing
91
Internal use only

Au
tomatic functions of the sliding sun roof %
The term "sliding sun roof" also refers to the
panorama sliding sunroof.
The sliding sunroof will be closed automatically
when theve hicle has been switched off in the
fo llowing situations:
R if it starts torain
Ra in is de tected byara in sensor on the
windscreen.
R inextreme temp eratures
R afte r a cer tain time (depending on the on-
board electrical sy stem voltage)
R ifth ere is a malfunction in the po wer supp ly
The sliding sunroof will rise at there ar in order
to continue ventilating theve hicle interior.
If th e sliding sunroof is obstructed during an
automatic closing procedure, thero of will be
opened again slightly. The automatic function for
th e sliding sunroof and the side windo wswill
th en be deactivated. Ra
in closing function when driving
Ve hicles with a panorama sliding sunroof: if
it starts torain, thera ised sliding sunroof will
automatically be lo wered while theve hicle is in
motion.
Au tomatic lo wering function
Ve hicles with a panorama sliding sunroof: if
th e sliding sunroof is raised at there ar, it will
automatically be lo wered slightly at higher
speeds. Atlow speeds, it will be raised again
automaticall y. &
WARNING Risk of becoming trapped by
automatic lo wering of the sliding sunroof
At higher speeds, thera ised sliding sunroof
will automatically be lo wered slightly at the
re ar. #
Make sure that nobody reaches into the
sliding sunroof's range of mo vement
while theve hicle is in motion. #
If somebody becomes trapped, briefly
push the sliding sunroof button for‐
wa rds or backwards. %
By pushing or pulling the3 button, you
can inter rupt the automatic functions: "Rain
closing function when driving" and "Auto‐
matic lo wering". Re
ctifying problems with the sliding sunroof &
WARNING Risk of becoming trapped or
fa ta l injuries when the sliding sunroof is
closed again
If th e sliding sunroof is closed again immedi‐
ately af ter it has been bloc ked or reset, it will
close with increased forc e. #
Make sure that no parts of the body are
in the closing area. #
Release the button immediately if
somebody becomes trapped.
or #
Brief lypress the button in any direction
during the automatic closing process.
The closing process will be stopped. 92
Opening and closing
Internal use only

The sliding sun
roof cannot be closed and you
cann otsee the cause.
% The term "sliding sun roof" also refers to the
panorama sliding sunroof.
If th e sliding sunroof is obstructed during closing
and reopens again slightly: #
Immediately af ter auto matic reve rsing, pull
and hold the3 button down again tothe
point of resis tance until the sliding sunroof is
closed.
The sliding sunroof will be closed with
increased forc e.
If th e sliding sunroof is obstructed again and
opens again slightly: #
Repeat the pr evious step.
The sliding sunroof will be closed again with
increased forc e.
Ve hicles without a panorama sliding sun‐
ro of: the sliding sunroof is not operating
smoo thly. #
Reset the sliding sunroof.
Re setting the sliding sunroof #
Push the3 button up tothe point of
re sis tance repeatedly until the sliding sun‐
ro of is fully open. #
Press the3 button for ano ther second. #
Close the sliding sunroof.
Ve hicles with a panorama sliding sunroof:
th e sliding sunroof or thero ller sunblind is
not operating smoo thly. #
Reset the sliding sunroof and thero ller sun‐
blind.
Re setting the sliding sunroof and thero ller
sunblind #
Pull and hold the3 button little bylittle
until the sliding sunroof is fully closed. #
Pull and hold the3 button little bylittle
until thero ller sunblind is fully closed. #
Use automatic operation tofully open and
th en close the sliding sunroof. Ro
ller sunblinds Extending
there ar side window roller sun‐
blinds *
NO
TEDama getothe inertia reel due to
it snapping back If suddenly snapped bac
k,the inertia reel
may be damaged. #
Alw ays mo vethero ller sun blind man‐
uall y. #
Do not drive wi th thero ller sun blind
hooked in and one or more side win‐
do ws open at the same time. Opening and closing
93
Internal use only

Re
setting seat settings Multimedia sy
stem:
4 Vehicle 5
a Seats 5
Reset #
Select YesorNo.
Depending on whe ther the settings forth e driv‐
er ’s or front passenger seat are selected, only
th e selected seat can be reset. Switching
the seat heating on/off &
WARNING Risk of burn s duetorepeat‐
edly switching on the seat heating
Re peatedly switching on the seat heating can
cause the seat cushion and seat backrest
padding tobecome very hot.
In particular, the health of persons with limi‐
te dte mp erature sensitivity or a limited ability
to react tohigh temp eratures may be af fec‐
te d or they may even suf fer burn-like injuries. #
Do not repeatedly switch on the seat
heating. To
protect against overheating, the seat heating
may be temp orarily deactivated af ter it is
switched on repeatedly.
* NO
TEDama getothe seats caused by
objects or documents when the seat
heater is switched on When
the seat heater is switched on, over‐
heating may occur due toobjects or docu‐
ments placed on the seats e.g. seat cushions
or child seats. This could cause damage to
th e seat sur face. #
Makesure that no objects or docu‐
ments are on the seats when the seat
heater is switched on. Re
quirements:
R The po wer supply is switched on. #
Press button 1repeatedly until the desired
heating le vel is set.
Depending on the heating le vel, up tothree
indicator lamps will light up. If all indicator
lamps are off, the seat heating is switched
off. 106
Seats and stowing
Internal use only

#
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. Yo
u can use the memory function when the igni‐
tion is switched off.
Seat adjustments for up tothre e people can be
st ored and called up using the memory function.
Yo u can sa vesettings forth efo llowing sy stems:
R Seat, backrest and head restra int
R Steering wheel
R Outside mir rors
R Head-up display Operating
the memory function St
oring #
Set the desired position for all sy stems. #
Brief lypress memory button Vandthen
press preset position 4,TorU
within thre e seconds.
An acoustic signal sounds. The settings are
st ored. #
Tocall up: press and hold preset position
button 4,TorU until all the sys‐
te ms are in thestored position.
% When youre lease the preset position button,
st eering wheel, the seat and mir ror setting
functions stop immediatel y.The head-up dis‐
play continues tobe adjus ted. St
ow age areas Note
s on loading theve hicle &
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
boot lid is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening the boot lid. #
Never drive with the boot lid open. Seats and
stowing 111
Internal use only

#
Foldthe seat backrest 2forw ards. #
If necessar y,reset the driver's or front
passenger seat.
Fo lding back there ar seat backrest
* NO
TEDama gecaused bytrapping the
seat belt when folding back the seat
backrest The seat belt could become trapped and
thus
be damaged when the seat backrest is folded
bac k. #
Make sure that the seat belt is not trap‐
ped when folding back the seat back‐
re st. #
Movethe driver's or front passenger seat for‐
wa rds, if necessar y. #
Foldthe cor responding seat backrest 1
back until it engages.
Left and right seat backrests: ifth e seat
backrest is not engaged and loc ked in place,
th is will be shown on the multifunction dis‐
play on the instrument clus ter.
A wa rning tone will also sound. Centre seat backres
t:ifth e seat backrest is
not engaged and loc ked in place, there d lock
ve rification indicator 2will be visible.
Lo cking there lease catch of the centre rear
seat backrest
Re quirements:
R The left and centre seat backrests are
engaged and joined toge ther.
Yo u can lock the cent reseat backrest release
cat chifyo uwa nttosecure the boot against
unauthorised access. The cent reseat backrest
can then be folded forw ards only toge ther with
th e left seat backrest. 11 6
Seats and stowing
Internal use only

Exterior lighting
Note
s on adjusting the lights when driving
abroad Ve
hicles with halogen or static LED head‐
lamps: it is not necessa ryto con vert the head‐
lamps. The legal requ irements are also met in
countries in which traf fic drives on theot her
side of thero ad.
Ve hicles with Intelligent Light Sy stem: before
crossing the border into count ries in which traf‐
fi c drives on theot her side of thero ad, it is nec‐
essary tocon vert the headlamps tosymmetrical
low beam (/ page133).
On ce the headlamps ha vebeen con verted:
R Oncoming tra ffic will not be dazzled
R The edge of thero ad will not be illuminated
as far or as high
R The "mo torw ay mode" and "enhanced fog
light" functions will not be available
The headlamps must be reset toasymm etrical
low beam when youre turn from ab road. Information about lighting sy
stems and your
re sponsibility The
various lighting sy stems of theve hicle are
only aids. The driver of theve hicle is responsible
fo r cor rect vehicle illumination in accordance
with the pr evailing light and visibility conditions,
legal requirements and traf fic situation. Light switch
Ope
rating light switches 1
W Left-hand pa rking lights
2 X Right-hand parking lights
3 T Standing lights and licence plate light‐
ing
4 Ã Automatic driving lights (prefer red light
switch position) Light and sight
12 5
Internal use only