ignition MERCEDES-BENZ C-CLASS SALOON 2012 Service Manual

Un
blocking the PIN
If th e PIN has been entered incor rectly three
times, the PIN will be bloc ked. You can ha ve a
single-use password sent to you via the
Mercedes me connect online por talto reset the
PIN pr otection. #
Select Unblock PIN. #
Ente rth e single-use password.
PIN pr otection is reset, and you can set a
new PIN.
% The availability of this function is country
dependent and may not be available in your
count ry.
Alternati vely, you can ha vePIN pr otection
re set at a Mercedes-Benz service centre. User profile
Setting a user profile
Multimedia sy
stem:
4 System 5
g Personalisation
Displaying a user profile when starting
If th is function is active, a prom ptappears when
st arting the sy stem asking which user profile to
use. #
Select Display profile list after start . #
Activate Oor deacti vate ª the function.
Selecting a user profile #
Select Guestor individual profile #.
% Some settings from the user profile are only
loaded when theve hicle is stationary or
when the ignition is switched on.
Au tomatic syn chronisation
Each time the ignition is switched off or on, the
individual user profiles are synchronised on the
multimedia sy stem and on the ser ver.This
ensures that the latest user profiles are availa‐
ble. #
Select Automatic synchronisation. #
Activate Oor deacti vate ª the function.
% For more information about importing/
ex porting user profiles (/ page 283).
Creating a user profile
Multimedia sy stem:
4 System 5
g Personalisation
5 Create profile #
Ente r a name. #
Select a.
The following information is sa ved in the user
profile, forex ample:
R System settings
R Settings in theTV tuner's channel list
R Navigation and traf fic information
The settings diff er depending on theve hicle
equipment. 282
Multimedia sy stem
Internal use only

The sy
stem update can be downloaded man‐
ually at a later time (/ page 284).
Yo u will be informed when the download is com‐
ple teand the sy stem update is ready for ins talla‐
tion.
% Park theve hicle safely in a suitable location
before starting the ins tallation.
Re quirements forth e ins tallation:
R The ignition is switched on.
R The engine is not running.
R Notes and warnings ha vebeen read and
accep ted.
R The parking brake is applied.
If all requirements are met, the sy stem update is
ins talled. The multimedia sy stem cann otbe
operated during the ins tallation and vehicle func‐
tions are restricted.
If er rors should occur during the ins tallation, the
multimedia sy stem automatically attem ptsto
re store the pr evious version. If restoration of the
pr ev ious version is not possible, a symbol
appears on the multimedia sy stem displa y.Con‐ sult a
qualified specialist workshop toresol ve
th e problem. Re
set function Multimedia sy
stem:
4 System 5
Reset
Pe rsonal data is dele ted, forex ample:
R Station presets
R Connec ted mobile phones #
Select Yes.
If PIN pr otection is activated, a prom ptappears
asking if you also wish torestore this to thefa c‐
to ry settings during a reset. #
Select Yes. #
Enter the cur rent PIN.
The PIN is reset.
or #
Select No.
The cur rent PIN stay sth e same af terre set‐
ting. %
Ifyo u ha veforg ottenyo ur PIN, a Mercedes-
Benz service centre can deactivate the PIN
pr otection foryo u.
A prom ptappears again asking whe ther you
re ally wish toreset. #
Select Yes.
The multimedia sy stem is reset tothefa ctory
settings. Fi
t & Healthy ENE
RGIZING COMFORT Overview of
the ENERGIZING COMFORT pro‐
gr amme
Programme overview
R Refresh: Can make targeted changes tothe
interior climate torefresh vehicle occupants.
Cooling air flow and ionisation purify the air.
The vehicle interior is illuminated with cool
colours and the seat is ventilated.
R Warmth: Can inc rease the comfort le vel of
th eve hicle occupants. The vehicle's panel,
seat and steering wheel heating pr ovide cosy Multimedia sy
stem 285
Internal use only

wa
rmth. The air is pu rified using ionisation
and a pleasant fragrance is released. The
ve hicle interior is illuminated with warm light‐
ing.
R Vitality: Can coun tera ct diminishing atten‐
tiveness in mono tonous driving situations.
Fa st-paced music and a vitalising massa ge
pr ov ide invigorating stimulation forth eve hi‐
cle occupants. The air is purified using ioni‐
sation and a pleasant fragrance is released.
The vehicle interior is illuminated with a stim‐
ulating hue and the seat is ventilated.
R Pleasure: Can promo tea positive mood in
th eve hicle occupants as well as menta l and
ph ysical rege neration. Moderately fastmusic
is pla yed and a massage prog ramme is acti‐
va ted. The air is purified using ionisation and
a pleasant fragrance is released. The vehicle
interior is illuminated with amicable lighting.
R Well being: Can aidthe ph ysical and men tal
re laxation of vehicle occupants. A back mas‐
sage combined with local warmthprov ide
re laxation. The air is purified using ionisation
and a pleasant fragrance is released. The
audio pla yer pla ysselections of calming music and
theve hicle interior is illuminated
with pleasant lighting.
R Training: Can counteract the onset of mus‐
cle tension, limbs falling asleep or stre ss with
ta rgeted relaxation or stimulation exercises.
The exercises are demon stra ted in short vid‐
eos. The air is purified using ionisation and a
pleasant fragrance is released. The vehicle
interior is illuminated with lighting appropri‐
ate totheex ercise.
% Please no tethat theav ailable prog rammes
and the associated functions depend on your
ve hicle equipment. Depending on your
equipment, fewe r functions may be availa‐
ble.
St arting the ENERGIZING Comfort pro‐
gr amme
Re quirements:
R The ignition is switched on.
% ENE RGIZING Comfort is available appr ox‐
imately five minutes af terst arting the multi‐
media sy stem. Multimedia sy
stem:
4 Vehicle 5
ENERGIZING Comfort
Selecting a seat #
Select Seat selection. #
Select the desired seat or All seatsO.
St arting a prog ramme #
Select Refresh, Warmth,Vitality, JoyorWell-
being .
The selected programme will runfo rten
minutes.
Confi guring a prog ramme #
Call up fu rther options Üforth e desired
programme. #
Switch the functions included in the pro‐
gramme on Oor off ª.
St arting training #
Select Training. 286
Multimedia sy stem
Internal use only

R
The ignition is switched on so that vehicle
data can be transfer red automaticall y.
% Mercedes me calls are not possible in every
count ry. Find out at a Mercedes-Benz
service centre if these functions are availa‐
ble in your count ry. 1
me button for service or information calls
2 SOS button co ver
3 SOS button
Making a Mercedes me call #
Press button 1. Making an eme
rgency call #
Toopen the co ver of SOS button 2, press it
brief ly. #
Press and hold SOS button 3for at least
one second.
If a Mercedes me call is active, an emer gency
call can still be triggered. This has priority over
all other active calls.
More information on Mercedes me connect and
fur ther services can be found at: https://
www.mercedes.me
Information about the Mercedes me call
using the me but ton
A call tothe Mercedes-Benz Cus tomer Centre
has been initia ted via the me button in theove r‐
head control panel or the multimedia sy stem.
Using thevo ice control sy stem, you can select
one of thefo llowing services:
R Accident and breakdown manage ment
(/ page 336)
R Mercedes-Benz Cust omer Centreforge neral
information about theve hicle 332
Multimedia sy stem
Internal use only

Yo
u can find information on thefo llowing topics:
R Activation of Me rcedes me connect
R Operating theve hicle
R Nearest Mercedes-Benz service centre
R Other products and services from Mercedes-
Benz
Data is transfer red during the connection tothe
Mercedes-Benz Cus tomer Centre (/ page 334).
Calling the Mercedes-Benz Cus tomer Centre
using the multimedia sy stem
Requ irements:
R You ha veaccess toa GSM networ k.
R The contra ct partner's GSM network co ver‐
age is available in there spective region.
R The ignition is switched on so that vehicle
data can be transfer red automatically.
Multimedia sy stem:
4 Telephone 5
ª Contacts #
Call Mercedes me connect.
The call is made. Af
ter confirmation, the multimedia sy stem
sends there qu ired vehicle data. The data
transfer is shown in the media displa y.
Then, you can select a service and be con‐
nected toa specialist at the Mercedes-Benz
Cus tomer Centre.
Fu rther information about Mercedes me con‐
nect, the pr ovided service scope and operation:
https://moba.i.daimler.com/mar kets/ece-r ow/
baix/cars/connectme/en_GB/#emotions/
St artseite.html
Calling the Mercedes-Benz Cus tomer Centre
af te r automatic accident or breakdown
de tection
Re quirements:
R The vehicle has de tected an accident or
breakdown situation.
R The vehicle is stationar y.
R The hazard warning lights are switched on.
% This function is not available in all countries.
In limited situations theve hicle can de tect acci‐
dent or breakdown situations. In
theeve nt an accident or breakdown is de tec‐
te d, the emer gency guide sho wssafety no tes in
th e multimedia sy stem displa y.
Af terqu itting the emer gency guide displ ayon
th e multimedia sy stem, a prom ptappears asking
whe ther you wish toget support from the
Mercedes-Benz Cus tomer Centre. #
Select Call.
R Afteryo ur agreement, or if the Mercedes
me connect service "Accident and Break‐
down Management" is active, theve hicle
data is transfer red automatically
(/ page 336).
R A Mercedes-Benz Cus tomer Centre
emplo yeeta ke syo ur call and or ganises
th e breakdown and accident assis tance.
Yo u may be charge dfo rth ese services.
% Depending on the se verity of the accident,
an automatic emer gency call can be initi‐
ated. This has prio rity over all other active
calls. Multimedia sy
stem 333
Internal use only

The
following requ irements must be fulfilled for
th e transfer of the data:
R The ignition is switched on.
R The requ ired data transfer tech nology is sup‐
po rted bythe mobile phone network pro‐
vider.
R The quality of the mobile connection is suf fi‐
cient.
Multi-s tage trans fer depends on thefo llowing
fa ctors:
R Reason forth e initiation of the call
R The available mobile phone transmission
te ch nology.
R The acti vated Mercedes me connect serv‐
ices.
R The service selected in thevo ice control sys‐
te m.
% A prom ptfor consent tothe data transmis‐
sion only occurs if the cor responding
Mercedes me connect service is not activa‐
te d. Data transfer if Mercedes me connect serv‐
ices are not activated
If no Mercedes me connect services are activa‐
te
d and the data pr otection prom pthas been
confirmed thefo llowing data is transmitted:
R Vehicle identification number
R Time of the call
R Reason forth e initiation of the call
R Confirmation of the data pr otection prom pt
R Country indicator of theve hicle
R Set language forth e multimedia sy stem
R Telephone number of the communication
platform ins talled in theve hicle
If a call is made for a service appointment via
th e service reminder, thefo llowing data is also
transmitte d:
R Cur rent milea geand main tenance da ta
If a call is made af ter auto matic accident or
breakdown de tection using the multimedia sys‐
te m, thefo llowing data is also transmitted:
R Cur rent milea geand main tenance da ta R
Cur rent vehicle location
If Ac cident and Breakdown Management is
called via thevo ice control sy stem and no
service has been activated, but the data pr otec‐
tion query has been confi rmed, thefo llowing
data can also be called up from theve hicle by
th e Mercedes-Benz Cus tomer Centre:
R Curr entvehicle location
If th e data pr otection prom pthas been rejected,
th efo llowing data is transmitte dto enable targe‐
te d advice and an ef ficient service:
R Reason forth e initiation of the call
R Rejection of the data pr otection prom pt
R Country indicator of theve hicle
R Set language forth e multimedia sy stem
R Telephone number of the communication
platform ins talled in theve hicle
Data transfer if Mercedes me connect serv‐
ices are activated
Only if there spective service is activated will
additional incident-specific data be transmitted Multimedia sy
stem 335
Internal use only

ing
the call is ho wever not possible in all
countries.
R Breakdown assi stance byate ch nician on
location and/or theto wing away oftheve hi‐
cle tothe nearest Mercedes-Benz service
cent re
Yo u may be charge dfo rth ese services.
More information about Mercedes me connect
services can be obtained in the Mercedes me
Po rtal: https://me.secure.mercedes-benz.com
Data trans ferred duri ng Mercedes me con‐
nect call services
The data transfer red during a Mercedes me con‐
nect call depends on:
R The reason for initiation of the call
R The service that is selec ted in thevo ice con‐
trol sy stem
R The activated Mercedes me connect services
Which data is transfer redfo rth e services can be
ta ke n from the cur rently valid term s of use.
These can be obtained in the Mercedes me por‐
ta l: https://me.secure.mercedes-benz.com Mercedes-Benz emer
gency call sy stem Information on
the Mercedes-Benz emer‐
ge ncy call sy stem
The Mercedes-Benz emer gency call sy stem only
functions in areas where mobile phone co verage
is available from the mobile phone network pro‐
viders. Insuf ficient network co verage from the
mobile phone network pr oviders may result in an
emergency call not being transmitted.
The Mercedes-Benz emer gency call sy stem is
av ailable for at least tenye ars starting from the
manufacturing date.
The ignition must be switched on before an auto‐
matic emergency call can be made.
% The Mercedes-Benz emerge ncy call system
is activated at thefa ctor y.
Overview of the Mercedes-Benz emer gency
call sy stem
The Mercedes-Benz emer gency call sy stem can
help todecisively reduce the time between an
accident and the ar riva l of emer gency services
at the site of the accident. It helps locate an
accident site in places that are dif ficult to
access. The emer
gency call can be made au tomatical ly
( / page 337) or manually (/ page 338). Only
make emer gency calls if you or others are in
need of rescue. Do not make an emergency call
in theeve nt of a breakdown or a similar situa‐
tion.
Displ ays in the media display
SOS READY : eCallavailable
SOS NOT READY: the ignition is not on or eCall
is not available.
During an active emer gency call, Gappears
in the displa y.
Yo u can find more information on there gional
av ailability of eCall at: https://www.mercedes-
benz-mobile.com/ext ra/ecall/
% Ifth ere is a malfunction in the emer gency
call sy stem (e.g. a fault with the speaker,
microphone, airbag, SOS button), a cor re‐
sponding message appears inthe multifunc‐
tion display of the instrument clus ter.
Tr iggering an automatic emer gency call
Re quirements:
R The ignition is switched on. Multimedia sy
stem 337
Internal use only

This allo
wsmeasu resfo rre scue, reco very or
to wing toa Mercedes-Benz Service Cent reto
be initiated quickl y.
If th e Mercedes-Benz emer gency call sy stem
cann otconnect tothe Mercedes-Benz emer‐
ge ncy call centre, the emer gency call is au tomat‐
ically sent tothe public emer gency services call
centre.
If no connection can be made tothe public
emer gency services, a cor responding message
appears inthe media displa y. #
Dial the emer gency call number 11 2onyour
mobile phone.
Ending an unin tentional emer gency call #
Select ~onthe multifunction steering
wheel.
Data transfer of the Mercedes-Benz emer‐
ge ncy call sy stem
In theeve nt of an auto matic or manual emer‐
ge ncy call thefo llowing data is transmitte d,for
ex ample:
R Vehicle's GPS position data R
GPS position data on thero ute (a few hun‐
dred metres before the incident)
R Direction of tra vel
R Vehicle identification number
R Vehicle drive type
R Number of people de term ined tobe in the
ve hicle
R Whe ther Mercedes me connect is available
or not
R Whe ther the emer gency call was initiated
manually or automatically
R Time of the accident
R Language setting on the multimedia sy stem
Fo r accident clarification purposes, thefo llowing
measures can be take n up toan hour af terthe
emer gency call has been initia ted:
R The cur rent vehicle position can be de ter‐
mined.
R Avo ice connection totheve hicle occupants
can be es tablished %
ForRu ssia: various functions, e.g. receiving
traf fic information, cannot be used for up to
two hou rsafte r sending an emergency call.
Self diagnosis function of the emer gency call
sy stem
Yo ur car verifies the operability of the emer‐
ge ncy call sy stem each time the ignition is ON.
In case of sy stem failure, you will be informed
with text messa geon the instrument clus ter and
with red indicator SOS NOT READY onthe dis‐
pla y.
Please, make sure, that during 30 seconds af ter
switching ignition ON there d indicator SOS
NOT READY inthe upper right corner of display
is switched OFF, this means the emer gency call
sy stem passed diagnostics successfully.
St arting/ending ERA-GLONASS test mode
Re quirements:
R The star ter battery is suf ficiently charge d.
R The ignition is switched on.
R The vehicle has been stationary for at least
one minute. Multimedia sy
stem 339
Internal use only

%
The test mode is cur rently available in the
fo llowing countries, forex ample:
R Russia
R Belarus
R Kazakh stan
R Armenia
R Kyrgyzs tan #
Tostart thete st mode: press and hold the
~ button on the multifunction steering
wheel for at least five seconds.
The test mode is star ted and automatically
ends af terth e language test has been per‐
fo rm ed. #
Toend thete st mode manuall y:switch off
th e ignition.
The test mode is ended. Online and Internet functions
Internet connection
Information on connecting
tothe Internet &
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad
and traf fic conditions and ope rate the
equipment with theve hicle stationar y. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating the multimedia sy stem. &
WARNING Risk of an accident from
ope rating mobile communication equip‐
ment while theve hicle is in motion
Mobile communications devices distract the
driver from the traf fic situation. This could
also cause the driver tolose control of the
ve hicle. #
Asthe driver, only operate mobile com‐
munications devices when theve hicle is
st ationar y. #
As a vehicle occupant, only use mobile
communications devices in the areas
intended forth is purpose, e.g. in the
re ar passenger compartment. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating mobile communication equipment in
th eve hicle. 340
Multimedia sy stem
Internal use only

#
With your hand flat, push down active bonnet
1 inthe area around the hinges on bo th
sides (ar rows).
In doing so, the actuator is depressurised
and you may hear a hissing sound.
The engine bonnet must en gage in position. #
Ifth e active bonn etcan be raised slight lyat
th ere ar in the area of the hinges, repeat the
st ep until it engages cor rectl y. Opening and closing
the bonnet &
WARNING Risk of accident due todriv‐
ing with the bonn etunlo cked
The bonn etmay open and block your vie w. #
Neverre lease the bonn etwhen driving. #
Before every trip, ensure that the
engine bonn etis loc ked. &
WARNING Risk of accident and inju ry
when opening and closing the bonn et
The bonnet may suddenly drop into the end
position.
There is a risk of injury for an yone in the
engine bonn et's range of mo vement. #
Do not open or close the bonn etifth ere
is a person in the bonn et's range of
mo vement. &
WARNING Risk of burn s when opening
th e bonn et
If yo u open the bonn etwhen the engine has
ove rheated or when there is a fire inthe
engine compartment, thefo llowing situations
may occur:
R You could come into contact with hot
ga ses.
R You could come into contact with other
hot, escaping operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the bonn etclosed and
call thefire service. &
WARNING Risk of injury duetomoving
parts
Components in the engine compartment may
continue running or start up sudden ly,even if
th e ignition is switched off.
Make sure of thefo llowing before per form ing
ta sks in the engine compartmen t: #
Switch the ignition off. #
Neverre ach into the danger zone sur‐
ro unding moving co mponents, e.g. the
ro tation area of thefa n. #
Remo vejewe llery and watches. #
Keep items of clo thing and hair away
from moving parts. 374
Maintenance and care
Internal use only