light MERCEDES-BENZ C-CLASS SALOON 2012 Owners Manual

#
Remo vethe co ver cap from the ball head and
st ore it in a safe place.
Make sure that the ball on the ball neck is clean.
Check that it is either greased or dr y (grease-
free), depending on the instructions forthe
traile r.
Fo lding the ball neck in #
Pull swit ch2 until the ball neck unloc ks.
The ball neck will fold up under there ar
bumper.
Indicator lamp 1will flash. #
Push the ball neck in the direction of the
ar row until it en gage s audibly behind the
bumper.
Indicator lamp 1will go out and the mes‐
sage on the multifunction display will disap‐
pear.
Obser vethe information about the displa yson
th e instrument clus ter:
R Indicator and warning lamps (/ page 498)
R Display messages (/ page445) Coupling/uncoupling a trailer
&
WARNING Risk of injury fromtheve hicle
le ve l being changed
Ve hicles with le vel control sy stem: the
ve hicle le vel may be changed unin tentional ly,
e.g. by ot her persons. You may become trap‐
ped if you couple up or uncouple a trailer
while theve hicle le vel is changing. In addi‐
tion, other people could become trapped if
th eir limbs are between theve hicle body and
th e tyres or underneath theve hicle.
When coupling up or uncoupling a trailer,
make sure that: #
The doors or tailgate are not opened or
closed. #
You do not initiate the le vel control sys‐
te m and do not operate theDY NA MIC
SELECT switch. #
Do not lock or unlock theve hicle. Re
quirements:
R The ball neck is extended and engaged in a
secu rely loc ked position. Tr
ailers with a 7-pin plug can be connec tedto
th eve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi‐
cle only if thefo llowing conditions are me t:
R The trailer is connected cor rectl y.
R The trailer lighting sy stem is in working
order.
The functions of thefo llowing sy stems will be
af fected bya cor rectly connected trailer:
R ESP ®
trailer stabilisation
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assi st
R Drive AwayAssi st
R Cross Traf fic Alert
R Reversing camera
R 360° camera Driving and parking
239
Internal use only

R
AIRMATIC
Coupling up a trailer
* NO
TEDama getothest ar ter battery due
to full dischar ge Charging
the trailer battery using the po wer
supply of the trailer can damage thest ar ter
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y.#
Remo vethe co ver cap from the ball head and
st ore it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket cap. #
Inse rtthe plug with lug 1in groo ve3 on
th e soc ket. #
Turn bayonet coupling 2totheright as far
as it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). #
Make sure that the cable is alw ays slack for
ease of mo vement during cornering. Under
thefo llowing conditions, a message may
appear on the multifunction display even if the
trailer has been connected cor rectly:
R LEDs ha vebeen ins talled in the trailer light‐
ing sy stem.
R The cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA).
% Accessories can be connected tothe perma‐
nent po wer supp lyup to180 W and tothe
po we r supp lythat is swit ched on via the igni‐
tion loc k.
Un coupling a trailer &
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer with an engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an
engaged overrun brake. 240
Driving and pa rking
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

è
Active Steering Assist (/ page 203)
à Ac
tive Lane Keeping Assist (/ page216)
è ECO
start/ stop function (/ page161)
ë HOLD function (/
page190)
_ Ad
aptive Highbeam Assist (/ page130)
Ad aptive Highbeam Assist Plus
(/ page 132)
ð Maximum pe rmissible speed exceeded
(for cer tain countries only)
Ve hicles with Traf fic Sign Assis t:de tected
instructions and traf fic signs (/ page 211). Head-u
p display Fu
nction of the head-up display *
NO
TEMercedes-AMG vehicles #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The head-up displ
ayprojects thefo llowing into
th e driver's field of vision:
R Information from the navigation sy stem
R Information from the driver assis tance sys‐
te ms
R Some warning messages
Display content 1
Navigation instructions
2 Curr ent speed
3 Detected instructions and traf fic signs
4 Set speed in the driver assis tance sy stem
(e.g. cruise control) When
youre cei vea call, the6 Incoming call
message will appear on the head-up displa y.
In audio mode, thest ation name or track will be
shown temp orarily when the audio source is
being actively operated.
Sy stem limits
The visibility is influenced bythefo llowing condi‐
tions:
R Seat position
R Image position setting
R Light conditions
R Wetro ad sur faces
R Objects on the display co ver
R Polarisation in sunglasses
% Inextreme sunlight, sections of the display
may appear washed out. You can co rrect this
by switching the head-up display off and on
again. 248
Instrument display and on-board computer
Internal use only

Message
voice commands Vo
ice command Function
Text message to To
create a message. All address book names are available.
Reply To
reply toa message
Forward text message To
forw ard a message Overview of
vehicle voice commands Yo
u can use theve hicle voice commands to
directly call up the cor responding menus forthe
ve hicle settings.
Ve hicle voice commands Vo
ice command Function
Ambient light menu To
display ambient light settings
Ambient light "blue" To
switch ambient light toblue
Display and styles menu To
show display settings
Assistance menu To
display assis tance settings 262
LINGUATRONIC
Internal use only

Vo
ice command Function
Scent menu To
display fragrance settings
Energy flow To
display energy flow settings
Ionisation menu To
display ionisation settings
Climate control menu To
display climate control settings
Automatic climate control driver on To
switch on the automatic climate control settings on the driver's side
Light menu To
display light settings
Massage menu To
display massage settings
Massage driver's seat on To
switch on the massage function forth e driver's seat
Massage driver's seat off To
switch off the massage function forth e driver's seat
Outside temperature To
display the outside temp erature
Engine data Displaying engine data
Seats menu To
display seat adjustment settings
Seat heating front passenger level "2" To
set the seat heating forth e front passenger seat toleve l 2 LINGU
ATRO NIC 263
Internal use only

Ä
To
switch tospecial characters and sym‐
bols.
X To
switch toupper-case or lo wer-case let‐
te rs.
B To
switch the language.
v Toswitch tocharacter ent ryon theto uch‐
pad.
% The available editing functions depend on
th e editing task, the language set and the
ch aracter le vel. #
Toconfirm the entr y:select ¡.
Example: entering a destination (navigation) #
Enter the POI or address (/ page 288).
Entering characters on theto uchpad
Requ irements:
R The touchpad is swit ched on (/ page 267).
R The entered or selected character should be
re ad out: the handwriting recognition read-
aloud function is swit ched on (/ page 268). Example:
renaming favo urites #
Call up the "Renaming favo urites" function
(/ page 270). #
Toenter a character: useyour finger to
write characters on theto uchpad.
The character is entered in the input line. If
dif fere nt interpr etations are possible, charac‐
te r suggestions are displa yed. #
Toselect a character suggestion: swipe up
or down on theto uchpad. #
Resume character input. #
Toenter a space: swiperight when the cur‐
sor is located in the input line. #
Todel ete a character: swipe left when the
cursor is loca ted in the input line. #
Toconfirm the entr y:press theto uchpad. #
Tofinish character entr y:swipe upwards.
or #
Press the% button.
Example: entering a destination (navigation) #
Ente rth e POI or address (/ page 288). Sy
stem settings Display
Configuring display settings
Multimedia sy
stem:
4 System 5
G Display and styles
Styl es #
Select Design. #
Select Sport,Classic orProgressive .
Ad apting the ambient lighting for the style #
Select Adjust ambient light. .
Ac tivate Oor deacti vate ª the function. 274
Multimedia sy stem
Internal use only

This function adjusts
the ambient lighting for
th e selected display style.
Setting the display brightness #
Select Display brightness . #
Select a brightness value.
Switching the display off/on #
Toswitch off: selectDisplay off . #
Toswitch on: press a button, %,for
ex ample.
Displ aydesign #
Select Day/night design. #
Select Automatic, Day design orNight
design.
Ad ditional displ ayarea
Depending on theve hicle, various items of addi‐
tional information can be shown. The additional
display area comprises the left-hand or right-
hand third of the displa y. #
Select Additional display area .The
following display con tent can be selected:
R Dynamic
R Navigation map
R Consumption
R Time and date Ti
me and date Setting the time and date automatically
Multimedia sy
stem:
4 System 5
& Time and date #
Deactivate ªManual time adjustment.
The time and date are set automatically for
th e selected time zone and summer time
option.
% The cor rect time is requ ired forth efo llowing
functions:
R Route guidance with time-dependent
traf fic guidance.
R Calculation of expected time of ar riva l. Setting
the time zone
Multimedia sy stem:
4 System 5
& Time and date
5 Time zone:
The list of count ries is displa yed. #
Select a count ry#.
Depending on the count ry, time zones are
displa yed. #
Select a time zone.
The time zone set is displa yed af terTime
zone:.
Setting summer time
The Automatic Summer Time andSummer Time
options cannot be selected in all countries.
Multimedia sy stem:
4 System 5
& Time and date
Au tomatically #
Switch Automatic Summer Time onO or off
ª.
Manual ly #
Switch Automatic Summer Time offª. Multimedia sy
stem 275
Internal use only

Using a WPS PIN
#
Highlight a Wi-Fi network in the list. #
Select ¥Connect using WPS PIN input.
The multimedia sy stem generates an eight-
digit PIN. #
Enter this PIN on the device tobe connec ted. #
Confirm the entry.
Using a button
% This function is only available in a Wi-Fi fre‐
qu ency of 2.4 GHz. #
Highlight a Wi-Fi network in the list. #
Select ¥Connect via WPS PBC. #
Select "Connect via WPS PBC" in the options
on the device tobe connec ted. #
Press the WPS button on the device tobe
connecte d. #
Select Continue inthe multimedia sy stem.
Device has already been connected: #
Toautomatically connect: highlight aWi-Fi
network in the list. #
Activate ¥ Connect automaticallyO. #
Toconnect: highlight a Wi-Fi network in the
list. #
Select ¥Connect.
The connection is es tablished again. These
functions are possible when the device has
already been connected totheWi -Fi networ k.
Setting up a Wi-Fi hotspot
Re quirements:
R For connection bypressing a button: this
function is only available in a Wi-Fi frequency
of 2.4 GHz.
Multimedia sy stem:
4 System 5
ö Connectivity
Configuring the multimedia sy stem as a Wi-
Fi hotspot
% The availability of this function is dependent
on the count ry.
The type of connection es tablished depends on
th e device tobe connec ted. The function must
be suppor tedby the multimedia sy stem and by
th e device tobe connec ted. The type of connec‐ tion es
tablished must be selected on the multi‐
media sy stem and on the device tobe connec‐
te d. #
Select Set up hotspot. #
Highlight Connect device to vehicle hotspot.
Generating a WPS PIN #
Select ¥Connect using WPS PIN genera-
tion . #
Ente rth e PIN shown in the media display on
th e device tobe connec ted and confi rm.
Connecting using a WPS PIN #
Select ¥Connect using WPS PIN input. #
Select Enter WPS PIN. #
Enterth e PIN that is shown on theex tern al
device's display on the multimedia sy stem. #
Select Continue.
Connecting using a button #
Select ¥Connect via WPS PBC. #
Press the WPS button on the device tobe
connecte d or select Connect. 278
Multimedia sy stem
Internal use only

Importing/exporting a user profile
Re
quirements:
R There is an Internet connection
(/ page 341).
R A Mercedes me account exists at https://
me.secure.mercedes-benz.com.
R The Personalisation service is active.
R The function is available in your count ry.
Multimedia sy stem:
4 System 5
g Personalisation
5 Manual export/import
Importing a user profile #
Select Import profiles from the server.
The The profile import overwrites the exist-
ing profiles. Do you want to continue? mes‐
sage appears. #
Select Yes.
User profiles are impor ted.
Exporting a user profile #
Select Export profiles to the server.
User profiles are expor ted. %
Only individual profiles can be impor ted or
ex por ted. The individual profiles are alw ays
collectively impor ted or expor ted.
% Certain settings, such as address book
ent ries or pr evious destinations from the
navigation sy stem, are not expor ted.
Setting user profile options
Multimedia sy stem:
4 System 5
g Personalisation #
Highlight a profile. #
Select ¥options.
The following options are available:
R Rename
R Delete
R Reset
% The guest profile cannot be dele ted or
re named. So
ftwa reupdates Information on software updates
The multimedia sy
stem displa ysa cor responding
message when a software update isavailable.
The availability of this function is dependent on
th e count ry.
Depending on the source, you can per form
va rious update s: Source of
the
update Up
date type
Up dates via mobile
phone Na
vigation map, sys‐
te m updates, Digital
Owner's Manual
Up dates via an exter‐
nal storage medium,
e.g. a USB flash drive Na
vigation maps %
Software updates via mobile phone requ ire
an active Internet connection forth eve hicle.
This is not available in all countries. For fur‐
th er information on connecting tothe Inter‐
net, see (/ page 340). Multimedia sy
stem 283
Internal use only