2012 MERCEDES-BENZ C-CLASS SALOON service

Obser
vethe no tes on operating fluids
(/ page 430).
Ad Blue ®
is available here:
R AdBlue ®
can be topped up byfast service at
a qu alified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
R AdBlue ®
is available at many filling stations
from AdBlue ®
filling pumps.
R Alternativel y,Ad Blue ®
is available at qualified
specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many filling stations
in Ad Blue ®
re fill canis ters or AdBlue ®
re fill
bottles.
% Ensure the connection between there fill
con tainer and vehicle filler neck does not
drip. To
p up AdBlue ®
* NOTEEngine damage duetoAd Blue ®
being in the fuel #
AdBlue ®
must not be used tofill the
fuel tank. #
Only use AdBlue ®
to fill th eAd Blue ®
ta nk. #
Do not overfill theAd Blue ®
tank. *
NO
TEContamination of theve hicle inte‐
ri or due toAd Blue ®
lea kage #
Afterto pping up, carefully close the
Ad Blue ®
re fill conta iner. #
Avoid car rying AdBlue ®
re fill conta iners
permanently in theve hicle. Re
quirements:
R The vehicle is unloc ked. The
following messages appear in order in the
multifunction display when theAd Blue ®
tank
requ irestopping up:
R Refill AdBlue See Owner’s Manual The
Ad Blue ®
leve l has fallen below there ser ve
ra nge. Top up AdBlue ®
immediately.
R Top up AdBlue Emergency op. in XXX miles
See Owner's ManualThe low AdBlue ®
level
will lead tolimited per form ance af terthe
re maining dis tance displ ayed has been
driven. Top up AdBlue ®
immediately.
R XX,X l Top up AdBlue Emer. op.: max. XXX
km/h Start not poss. in XXX kmThe low
AdBlue ®
leve l will lead tolimited per form‐
ance from the speed displa yed. Af terthe
re maining dis tance displ ayed has been cov‐
ered, it will no longer be possible tostart the
engine. Top up with at least the amount of
Ad Blue ®
displ ayed.
R XX,X l Top up AdBlue Switch on ignition, wait
60 sec. or eng. start not poss. TheAdBlue ®
ta nk is em pty. Yo u can no lon gerst art the
engine. Top up with at least the amount of 176
Driving and pa rking
Internal use only

Ad
Blue ®
displ ayed. Switch on the ignition
and waitfor appro ximately 60 seconds. Start
th e engine.
Yo u can see theAd Blue ®
ra nge and le vel in the
Service menu in the multifunction displa y.
% The AdBlue ®
ra nge shown depends strongly
on the driving style and operating condi‐
tions. The actual range can therefore deviate
from the calculated range. Opening the
AdBlue ®
filler cap #
Press on the back area of fuel filler flap 1. #
Turn AdBlue ®
filler cap 2anti-clockwise and
re mo veit.
To p up AdBlue ®
Mercedes-Benz recommends topping up
Ad Blue ®
at a filling pump. If no AdBlue ®
filling pump is
available, you can also top up AdBlue ®
using a cani ster. #
Screw onthefast ener of AdBlue ®
re fill canis‐
te r4. #
Screw disposable hose 3onto the opening
of Ad Blue ®
re fill canis ter4 until hand-tight. #
Screw disposable hose 3onto thefiller
neck of theve hicle until hand-tight. #
Lift up and tip AdBlue ®
re fill canis ter4.
The filling process stops when theAd Blue ®
ta nk is compl etely full. Driving and parking
17 7
Internal use only

#
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

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

7
Selected transmission position
8 Multifunction displ ay(exa mp le:standard dis‐
play for a trip): assi stance / telephone /
navigation / trip / media / radio / styles
and displa ys/ service / possible settings
fo r head-up display
9 Fuel le vel and fuel filler flap location indica‐
tor Overview of buttons on
thest eering wheel 1
P Back/Home button (press and hold),
on-board computer
2 Touch Control, on-board co mputer
3 Control panel for cruise control/limiter or
Ac tive Dis tance Assi stDISTRONIC
4 Control panel forth e multimedia sy stem
£ LINGU ATRO NIC (/ page 250) 5
ò Tocall up the home screen of the mul‐
timedia sy stem
6 Touch Control multimedia sy stem
7 % Back button (multimedia sy stem)
8 Brightness control toadjust the lighting in
th e Instrument Display and in the control
elements of theve hicle interior Operating
the on-boa rdcompu ter
Obser vethe legal requ irements forth e count ry
in which you are cur rently driving when operat‐
ing the on-board computer. 246
Instrument display and on-board computer
Internal use only

The on-board computer is operated using
the
left-hand Touch Control and the left-hand back/
home button.
When the on-board computer is being operated,
dif fere nt acoustic signals will sound as operating
fe edbac k,e.g. when the end of a list is reached
or when you are sc rolling thro ugh a list.
The following menus are available:
R Service
R Assistance
R Trip
R Navigation
R Radio
R Media
R Telephone
R HUD
R Vehicles with an instrument display in
th e widescreen cockpit: Design
% You can find information about the possible
settings and selections on the menus in the
Digital Owner's Manual. #
Tocall up the menu bar: pressthe left-hand
back button until the menu bar is displa yed.
% Press theò button tocall up the menu
bar of the on-board computer. #
Toscroll in the menu bar: swipe left or
ri ght on the left-hand Touch Control. #
Tocall up a menu, submenu or possible
settings on the menu, or confirm a selec‐
tion or setting: pressthe left-hand Touch
Control. #
Toscroll through displa ysor lists on the
menu, or select display content, a func‐
tion, an entry or a displa y:swipe upwards
or down wards on the left-hand Touch Con‐
trol. #
Toswitch between displa ys:swipe
upwards or down wards on the left-hand
To uch Control. #
Toexit a submenu: pressthe left-hand back
button.
Fu ll-screen menus
Yo u can displ aythefo llowing menus full-screen
on the instrument display: R
Assistance
R Trip #
Onthe cor responding menu, use the left-
hand Touch Control toscroll tothe end of the
list. #
Press the left-hand Touch Control.
The selected menu will be displ ayed full-
screen. Overview of displa
yson the multifunction
display
Displa yson the multifunction display
ë Active Parking Assist activated
(/ page 233)
é Parking Assist PARKTRONIC deacti vated
( / page 230)
¯ Cruise control (/
page194)
È Limi
ter (/ page194)
ç Active Dis tance Assi stDISTRONIC
(/ page 197)
æ Ac
tive Brake Assi st (/ page 210) Instrument display and on-boa
rdcompu ter247
Internal use only

Vo
ice command Function
Traffic information on
Traffic information off To
switch the traf fic information service on/off
Radio info on
Radio info off To
switch information about the cur rent station on/off Overview of media pla
yervo ice commands Media pla
yervo ice commands can also be used
when the media pla yerru ns in the bac kground. LINGU
ATRO NIC 259
Internal use only

Importing/exporting data
* NO
TELoss of da tadue topremature
re mo val #
Do not remo vethe data storage
medium when data is being expor ted.
Mercedes-Benz is not liable for any loss of
data. Re
quirements:
R The vehicle is stationar y.
R The ignition is switched on or theve hicle has
been star ted.
R The SD card is inser ted (/ page 348) or the
USB device is connecte d (/page 349).
Multimedia sy stem:
4 System 5
System backup #
Select Import data orExport data.
Importing #
Select a data storage medium.
A prom ptappears asking whe ther youre ally
wish to overwrite the cur rent da ta. If da ta originates from ano
ther vehicle, this is recog‐
nised du ring da tareading.
The multimedia sy stem is restar ted once the
data has been impor ted.
% Current vehicle settings can be edited af ter
th e import.
Exporting
If PIN pr otection is activated, your PIN is reques‐
te d. #
Ente rth efo ur-digit PIN. #
Select a data storage medium.
The data is expor ted. The data export may
ta ke several minutes. Ac
tivating/deactivating PIN pr otection Re
quirements:
To unlo ckthe PIN:
R There is an Internet connection.
R A Mercedes me account exists at https://
me.secure.mercedes-benz.com. R
The Personalisation service is active
(/ page 282).
Multimedia sy stem:
4 System 5
PIN protection
Setting the PIN #
Select Set PIN. #
Enter a four-digit PIN. #
Enterth efo ur-digit PIN again.
If bo thPINs match, PIN pr otection is active.
Changing the PIN #
Select Change settings. #
Enterth e cur rent PIN. #
Select Change PIN . #
Set a new PIN.
Ac tivating PIN pr otection for data export #
Select Change settings .
Confirm with th e PIN. #
Select Protect data export.
Ac tivate Oor deacti vate ª the function. Multimedia sy
stem 281
Internal use only