MERCEDES-BENZ C-CLASS SALOON 2012 Owners Manual

#
Push the upper and lo wer catches on the
plug toge ther and remo vethe plug. #
Turn wing scr ew1 90° anti-clockwise and
re mo vethe bulb holder. #
Indicator: push bulb2gently into the bulb
mount, turn it anti-clockwise and remo veit
from the bulb mount. #
Insert the new bulb into the bulb mount and
turn it clockwise. #
Reversing light: pull bulb3out of the bulb
mount. #
Insert the new bulb into the bulb mount. #
Insert the bulb mount again. #
Turn wing scr ew1 90° clockwise. #
Insert the plug until the catch hooks engage
audibl y. #
Close the side trim panel. Wi
ndscreen wipers and windscreen washer
sy stem Switching
the windscreen wipers on/off 1
gWindsc reen wipers off
2 Ä Intermittent wiping, normal
3 Å Intermittent wiping, frequent 13 8
Light and sight
Internal use only

4
° Continuous wiping, slow
5 ¯ Continuous wiping, fast #
Turn the combination switch tothe cor re‐
sponding position 1-5. #
Single wipe/washing: pushthe button on
th e combination switch in the direction of
ar row 1.
R í Single wipe
R î Wiping with washer fluid Re
placing the windsc reen wiper blades &
WARNING Risk of becoming trapped if
th e windscreen wipers are switched on
while wiper blades are being replaced
If th e windscreen wipers begin tomo vewhile
yo u are changing the wiper blades, you can
be trapped bythe wiper arm. #
Alw ays switch off the windscreen wip‐
ers and ignition before changing the
wiper blades. Moving
the wiper arms into there placement
position #
Switch the ignition on and then off again
immediatel y. #
Within around 15seconds, press and hold
th eî button on the combination switch
fo r appro ximately thre e seconds
(/ page 138).
The wiper arms will mo veinto there place‐
ment position.
Re moving the wiper blades #
Foldthe wiper arms away from the wind‐
screen. #
Hold the wiper arm with one hand. With the
ot her hand, turn the wiper blade away from
th e wiper arm in the direction of ar row 1 as
fa r as it will go. #
Slide catch 2inthe direction of ar row 3
until it engages in there mo val position. #
Remo vethe wiper blade from the wiper arm
in the direction of ar row4. Light and sight
13 9
Internal use only

Fi
tting the wiper blades #
Inse rtthe new wiper blade into the wiper
arm in the direction of ar row1. #
Slide catch 2inthe direction of ar row 3
until it engages in the locking position. #
Make sure that the wiper blade is seated cor‐
re ctly. #
Foldthe wiper arms back onto the wind‐
screen. #
Switch on the ignition. #
Press theî button on the combination
switch (/ page138).
The wiper arms will return tothe original
position. #
Switch the ignition off. Maintenance display #
Remo veprotective film 1 from the mainte‐
nance display on the tip of the newly fitted
wiper blades.
When the colour of the maintenance display
ch anges from black to yellow, the wiper blades
should be replaced. 14 0
Light and sight
Internal use only

%
The duration until the colour changes varies
depending on the usage conditions. Mir
rors Operating
the outside mir rors &
WARNING Risk of injury ifve hicle set‐
tings are adjus ted while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in par‐
ticular in thefo llowing situations:
R Ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion.
R Ifyo ufast enyour seat belt while theve hi‐
cle is in motion. #
Before starting the engine: adjust the
driver's seat, head restra ints, steering
wheel and mir ror in particular and fas‐
te nyo ur seat belt. &
WARNING Risk of accident due tomis‐
judgement of dis tance when using the
outside mir ror
The outside mir rors reflect objects on a
smaller scale. The objects in view are in fact
closer than they appear. #
Therefore, alw ays look over your shoul‐
der in order toensure that you are
aw are of the actual dis tance between
yo u and thero ad users driving behind
yo u. Fo
lding the outside mir rors in/out #
Brief lypress button 1.
Re setting the outside mir rors
% Ifth e battery has been disconnected or com‐
ple tely discharged, the outside mir rors must
be reset. Only then will the automatic mir ror
fo lding function workproperly. #
Brief lypress the1 button. Light and sight
141
Internal use only

Ad
justs the outside mir rors #
Press button 3or4 toselect the outside
mir rorto be adjus ted. #
Use button 2toadjust the position of the
mir rorgl ass.
Engaging the outside mir rors #
Vehicles without electrically folding out‐
side mir rors: manually mo vethe outside
mir ror into the cor rect position. #
Vehicles with electrically folding outside
mir rors:press and hold button 1.
Yo u will hear a click and the mir ror will audi‐
bly click into place. The outside mir ror will
now be set tothe cor rect position. Au
tomatic anti-dazzle mir rors function &
WARNING Risk of acid burn s and poi‐
soning due tothe anti-dazzle mir ror elec‐
trolyte
Electrolyte may escape if theglass in an
automatic anti-dazzle mir ror breaks. The electrolyte is hazardous
tohealth and
causes ir rita tion. It mu stnot come into con‐
ta ct with your skin, eyes,respiratory or gans
or clo thing or be swallo wed. #
Ifyo u come into contact with electro‐
ly te , obser vethefo llowing:
R Immediately rinse the electrolyte
from your skin with water and seek
medical attention.
R If electrolyte comes into contact
with your eyes, immediately rinse
th em thoroughly with clean water
and seek medical attention.
R Ifth e electrolyte is swallo wed,
immediately rinse your mouth out
th oroughl y.Do not induce vomiting.
Seek medical attention immediately.
R Immedia tely ch ange out of clo thing
which has been con taminated with
electrolyte.
R If an allergic reaction occurs, seek
medical attention immediatel y. The inside
rearview mir ror and the outside mir‐
ro r on the driver's side will automatically go into
anti-dazzle mode if light from a headlamp hits
th e sensor on the inside rearview mir ror.
Sy stem limits
The sy stem will not go into anti-dazzle mode if:
R the engine is switched off.
R reve rsege ar is engaged.
R the interior lighting is switched on. Fr
ont-passenger outside mir ror parking posi‐
tion function The pa
rking position makes parking easier.
The front-passenger outside mir ror will swivel
down wards in the direction of there ar wheel on
th e front passenger's side when:
R the parking position is stored (/ page143).
R the front-passen ger mir ror is selected.
R reve rsege ar is engaged. 14 2
Light and sight
Internal use only

The front-passenger outside mir
ror will mo ve
back toits original position when:
R you shift the transmission toano ther trans‐
mission position.
R you are tra velling at a speed greaterth an
15 km/h.
R you press the button forth e outside mir ror
on the driver's side. St
oring the pa rking position of the front-
passenger outside mir ror using reve rsege ar St
oring #
Select the front-passen ger outside mir ror
using but ton2. #
Engage reve rsege ar. #
Movethe front-passen ger outside mir ror into
th e desired parking position using button 1.Calling up #
Select the front-passen ger outside mir ror
using but ton2. #
Engage reve rsege ar.
The front-passenger outside mir ror will mo ve
into thestored parking position. Ac
tivating/deactivating the automatic mir ror
fo lding function Multimedia sy
stem:
4 Vehicle 5
î Vehicle settings
5 Auto. fold-in mirrors #
Activate Oor deacti vate ª the function. Light and sight
14 3
Internal use only

Overview of climate control sy
stems Note
s on climate control An interior air
filter in combination with the pre‐
fi lter in the engine compartment must alw ays be
used so that the air conditioning sy stem, pollu‐
tion le vel monitoring and the air filtration work
cor rectl y.Make sure that thefilter is ins talled
cor rectly and thefilter housing in the engine
compartment is closed cor rectly using the cap
and alw ays tightly sealed when in operation. Use
fi lters recommended and appr ovedby
Mercedes-Benz. Alw ays ha veservice workcar‐
ri ed out at a qualified specialist workshop. Overview of
the air conditioning control
panel *
NO
TEPlug-in hybrid #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. The indicator la
mps on the buttons indicate that
th e cor responding function is activated. THERMATIC air conditioning contro
l panel
with/without stationary heater (e xample)
1 w Setsthete mp erature on the driver's
side
2 _ Setsthe air distribution 3
H Setsthe air flow or switches off climate
control
4 Ã Sets climate control toautomatic
(/ page 146)
5 ¬ Demists the windscreen
6 Vehicles with THERMATIC air conditioning
contro l panel without stationary heater:
A calls up air conditioning menu
Ve hicles with THERMATIC air conditioning
contro l panel (with stationary heater) or
THERMOTRONIC (with/without stationary
heater): Åcalls up air conditioning menu,
swit ches residual heat on/off (/ page147)
7 ¤ Switches there ar wind owheater
on/off
8 Vehicles with THERMATIC air conditioning
contro l panel without stationary heater:
0 switches synchronisation on/off
(/ page 146)
Ve hicles with THERMOTRONIC air condition‐
ing contro l panel without stationary heater:
¿ switches the A/C function on/off
(/ page 145) 14 4
Climate cont rol
Internal use only

Ve
hicles with a stationary heater: &
swit ches thest ationary heater on/off
(/ page 149)
9 g Switches air- recirculation mode on/off
(/ page 147)
A Vehicles with THERMATIC air conditioning
contro l panel: ¿switches A/C function
on/off (/ page145)
Ve hicles with THERMOTRONIC air condition‐
ing contro l panel:_adjusts the air distri‐
bution, right
B w Setsthete mp erature on the front
passenger side Re
ar operating unit in vehicles with
THERMOTRONIC air conditioning control
panel 1
Setting thete mp erature
2 Display
3 Setting the air flow Operating
the clima tecont rol sy stem Switching clima
tecont rol on/off #
Toswitch on: setthe air flow toleve l 1 or
higher using theH button. #
Toswitch off: setthe air flow toleve l 0 using
th eH button.
If climate control is switched off, the windo ws
may mist up more quickl y.Switch climate con‐
trol off only briefl y. Switching
the A/C function on/off using the
air conditioning control panel The A/C function heats, cools and dehumidi
fies
th eve hicle's interior air. #
Press the¿ button.
Switch off the A/C function only brief ly;ot her‐
wise, the windo wsmay mist up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not indicative of a fault. Climate cont
rol14 5
Internal use only

Ac
tivating/deactivating the A/C function via
the multimedia sy stem Multimedia sy
stem:
4 Vehicle 5
b Climate control 5
A/C
The A/C function heats, cools and dehumidifies
th eve hicle's interior air. #
Activate Oor deacti vate ª the function. Setting climate control
toautomatic mode In auto
matic mode, the set temp erature is con‐
trolled and maintained at a const ant levelby the
air suppl y. #
Press the à button. #
Toswitch tomanual mode: pressthe H
or _ button. Climate
style Climate
style function
The following climate styles are available in auto‐
matic mode:
R FOCUS: high air flow , slightly cooler setting R
MEDIUM: medium air flow ,st andard setting
R DIFFUSE: low airflow , slightly warmer and
draught-f ree setting
Setting the clima testyle
Multimedia sy stem:
4 Vehicle 5
b Climate control
5 Climate mode #
Select Driverand/or Passenger. #
Select FOCUS, MEDIUM orDIFFUSE .
% Tofeel the ef fect of the climate style, the
à function must be active (/ page146). Se
tting the rear climate control using the
mu ltimedia sy stem Multimedia sy
stem:
4 Vehicle 5
b Climate control 5
Rear
Setting the air flow #
Select Airflow . #
Set the air flow. Setting
thetemp erature #
Select Temperature. #
Set thete mp erature. Ac
tivating/deactivating the climate control
syn chro nisation function via the air condi‐
tioning control panel Climate control can be set centrally using
the
synchronisation function. The temp erature and
air distribution settings forth e driver's side will
be adop ted automatically forth e front passenger
side. #
Press the 0 button.
The synchronisation function will be deactivated
if th e settings for one of theot her climate con‐
trol zones are changed. 14 6
Climate cont rol
Internal use only

Ac
tivating/deactivating the climate control
syn chro nisation function via the multimedia
sy stem Multimedia sy
stem:
4 Vehicle 5
b Climate control
5 SYNC
Climate control can be set cent rally using the
synchronisation function. The temp erature set‐
ting will automatically be adop tedfo r all clima te
zones. #
Activate Oor deacti vate ª the function. Demisting
the windo ws Wi
ndo wsmis ted up on the inside #
Press theà button. #
Ifth e windo wscontinue tomist up: press the
¬ button.
Wi ndo wsmis ted up on the outside #
Switch on the windscreen wipers. #
Press theà button. Switching air-recirculation mode on/off
#
Press theg button.
The interior air will be recirculated.
Air-reci rculation mode automatically swit ches to
fresh air mode af ter some time.
% If air-recirculation mode is switched on, the
windo wsmay mist up more quickl y.Switch
on air- recirculation mode only brie fly. Switching
there sidual heat on/off Re
quirements:
R The vehicle is par ked.
It is possible tomake use of there sidual heat
from the engine tocontinue heating or ventilat‐
ing the front compartment of theve hicle for
appr oximately 30 minutes. #
Toswitch on: pressthe! button.
Re sidual heat is switched off automaticall y. Ac
tivating/deactivating ionisation Multimedia sy
stem:
4 Vehicle 5
b Climate control
5 Ionisation
Ionisation cleans and refreshes the interior air of
th eve hicle. Ionisation of the interior air is odour‐
less. #
Activate Oor deacti vate ª the function. Fr
ag rance sy stem Setting
the frag rance sy stem
Re quirements:
R Automatic climate control is activa ted.
R The glove box is closed.
Multimedia sy stem:
4 Vehicle 5
b Climate control
5 Air freshener
The fragrance sy stem distributes a pleasant fra‐
grance thro ughout theve hicle interior from a fla‐
con located in theglove box. Climate control
147
Internal use only