roof MERCEDES-BENZ C-CLASS SALOON 2012 User Guide

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

To
w- aw ay protection is automatically primed
af te r appro ximately 60 seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO
To w- aw ay protection is only primed when thefo l‐
lowing components are closed:
R doors
R boot lid
To w- aw ay protection is automatically deactiva‐
te d:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 156)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
In fo rm ation on collision de tection on a park ed
ve hicle (/ page184). Priming/deactivating
tow- aw ay protection Multimedia sy
stem:
4 Vehicle 5
î Vehicle settings
5 Tow-away protection #
Activate Oor deacti vate ª the function.
To w- aw ay protection is primed again in thefo l‐
lowing cases:
R The vehicle is unloc ked again.
R A door is opened.
R The vehicle is loc ked again. Fu
nction of interior pr otection When interior pr
otection is primed, a visual and
audible alarm is triggered if mo vement is de tec‐
te d in theve hicle interior.
Interior pr otection is primed automatically af ter
appr oximately ten seconds:
R afte r locking theve hicle with thekey
R afte r locking theve hicle using KEYLESS-GO Interior pr
otection is only primed when thefo l‐
lowing components are closed:
R doors
R boot lid
Interior pr otection is automatically deactivated:
R afte r pressing theÜ orp button on
th ekey
R afte r pressing thest art/ stop button with the
ke y in thestow age compartment
(/ page 156)
R afte r unlocking theve hicle using KEYLESS-
GO
R when using HANDS-FREE ACCESS
The following situations can lead toafa lse
alarm:
R moving objects such as masc ots in theve hi‐
cle interior
R when the side window is open
R when the sliding sunroof is open
R when the panoramic sliding sunroof is open 96
Opening and closing
Internal use only

At
taching a roof luggage rack &
WARNING Risk of accident due to
exc eeding the maximum roof load
The vehicle centre of gravity and the usual
driving characteristics as well as thesteering
and braking characteristics alter.
If yo uexc eed the maximum roof load, the
driving characteristics, as well as steering
and braking, will be greatly impaired. #
Neverexc eed the maximum roof load
and adjust your driving style. Yo
u will find information on the maximum roof
load in the "Technical data" section.
* NO
TEVehicle damage from non-
appr ovedro of luggage racks The
vehicle could be damaged byroof lug‐
ga ge rack sth at ha venot been tested and
appr ovedfo r Mercedes-Benz. #
Use only roof luggage rack ste sted and
appr ovedfo r Mercedes-Benz. #
Depending on theve hicle equipment,
ensure that the sliding sunroof can be
fully raised when thero of luggage rack
is fitted. #
Depending on theve hicle equipment,
ensure that the boot lid can be fully
opened when thero of luggage rack is
fi tted. #
Position the load on thero of luggage
ra ck in such a wayth at theve hicle will
not sus tain damage even when it is in
motion. *
NO
TEDama getothe panorama sliding
sunroof due tonon-app rove dro of lug‐
ga ge racks The panorama sliding sunroof may be dam‐
aged
bythero of luggage rack ifyo u attem pt
to open it when using a roof luggage rack not
te sted and appr ovedfo r Mercedes-Benz. #
When a roof luggage rack isfitted, open
th e panorama sliding sunroof only if this has been
tested and appr oved for
Mercedes-Benz.
The panorama sliding sunroof may be raised
to allow ventilation of theve hicle interior. *
NO
TEDama getothe sliding sunroof
when a roof luggage rack isfitted The sliding sunroof may be dama
gedby the
ro of luggage rack ifyo u attem pttoopen it
when a roof luggage rack isfitted. #
Do not open the sliding sunroof when a
ro of luggage rack isfitted.
In order toallow ventilation of theve hicle
interior, you can raise the sliding sunroof. Seats and
stowing 11 9
Internal use only

Ensu
rethefo llowing before starting the engine:
R the legal stipulations in the area where your
ve hicle is par ked allow engine starting via
smartphone.
R it is safe tostart and runth e engine where
yo ur vehicle is par ked.
R The fuel tank is su fficiently full.
St arting theve hicle (Remo teOnline) &
WARNING Risk of crushing or entrap‐
ment due tounin tentional starting of the
engine
Limbs could be crushed or trapped if the
engine is star ted unintentionally during
service or maintenance work. #
Alw ays secure the engine against unin‐
te ntional starting before car rying out
maintenance or repair work. Re
quirements:
R park position jis selected.
R the anti- theft alarm sy stem is not activated.
R the panic alarm is not activated. R
the hazard warning light sy stem is switched
off.
R the bonn etis closed.
R the doors are closed and loc ked.
R the windo wsand sliding sun roof are closed. #
Start theve hicle using the smartphone.
Af tereve ryengine start, the engine runs for
te n minu tes.
Yo u can car ryout a maximum of two consecu‐
tive starting attem pts. Yo u must start theve hicle
once with theke y before trying tostart the
engine again with the smartphone. you can stop
th eve hicle again at any time.
% Further information can be found in the
smartphone app.
Securing the engine against starting before
car rying out maintenance or repair work: #
switch on the hazard warning light sy stem.
or #
unlock the doors.
or #
open a side window or the sliding sunroof. Ru
nning-in no tes To
preser vethe engine during thefirs t15 00 km:
R drive at varying road speeds and engine
speeds.
R do not drive at speeds greater than
14 0 km/h.
R drive theve hicle in drive program A
or ;.
R shift tothe next highest gear at theve ry lat‐
est when the needle reaches the last third
before there d area in there v counter.
R do not shift down a gear manually in order to
brake.
R avoidove rstraining theve hicle, e.g. driving at
full thro ttle.
R do not depress the accelera tor pedal past
th e pressure point (kickdown).
R only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
15 00 km. Driving and parking
157
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

Ke
eping the air-water duct free #
Keep the area between the bonn etand the
windscreen free of deposits, e.g. ice, snow
and lea ves. Cleaning and care
Information on
washing theve hicle in a car
wa sh &
WARNING Risk of an accident due to
re duced braking po wer af terwa shing the
ve hicle
Braking ef ficiency is reduced af terwa shing
th eve hicle. #
Afterth eve hicle has been washed,
brake carefully while paying attention to
th e traf fic conditions until braking
po we r has been fully restored. *
NO
TEDama gefrom auto matic braking If one of
thefo llowing functions is switched
on, theve hicle brakes automatically in cer‐
ta in situations:
R Active Brake Assi st
R Active Dis tance Assi stDISTRONIC
R HOLD function
R Active Parking Assist
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
during towing #
in a car wash *
NO
TEDama gedue tounsuitable car
wa sh #
Before driving into a car wash make
sure that the car wash is suitable for
th eve hicle dimensions. #
Ensure there is suf ficient ground clear‐
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is suf ficient. To
avo id damage to yourvehicle when using a
car wash, ensure thefo llowing beforehand:
R Active Dis tance Assi stDISTRONIC is deacti‐
va ted.
R the HOLD function is switched off.
R the 360° Camera or there ve rsing camera is
switched off.
R the side windo wsand sliding sun roof are
comple tely closed.
R the blo werfo rth eve ntilation/heating is
switched off.
R the windscreen wiper switch is in position
g.
R theke y is at a minimum dis tance of 3 m
aw ay from theve hicle. Otherwise the boot lid
could open unintentionally. Maintenance and care
381
Internal use only

#
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe
lo w- reflection exterior aerial. *
NO
TEInva lidation of the operating per‐
mit due tofailure tocomply wi th the
instructions for ins tallation and use The operating permit may be in
validated if
th e instructions for ins tallation and use of
two-w ayradios are not obser ved. #
Only use appr oved frequency bands. #
Obser vethe maximum permissible out‐
put po wer in these frequency bands. #
Only use appr oved aerial positions. On
vehicles with a panoramic sliding sunroof, fit‐
ting an ae rial to the front or rear roof area is not
permitted.
Use Tech nical Specification ISO/TS 21609 (Road
Ve hicles – "EMCs for ins tallation of af term arket
ra dio frequency transmitting equipment") when
re trofitting two-w ayradios. Comply with the
legal requirements for de tach able parts. If
yo ur vehicle has fittings for two-w ayradio
equipment, use the po wer supp lyand aerial con‐
nec tors prov ided in the pre-ins tallation. Obser ve
th e manufacturer's supplements when fitting.
Tw o-w ayradio transmission output
The maximum transmission output (PEAK) at the
base of the aerial must not exceed theva lues in
th efo llowing table.
Fr equency band and maximum transmission
output Fr
equency band Maximum transmis‐
sion output
Sho rtwa ve
3 - 54 MHz 10
0 W
4 m frequency band
74 - 88 MHz 30 W
2 m frequency band
14 4 - 174 MHz 50 W Fr
equency band Maximum transmis‐
sion output
Te rrestrial Trunked
Ra dio (TETRA)
380 - 460 MHz 10 W
70 cm frequency
band
420 - 450 MHz 35 W
Tw o-w ayradio
(2G/3G/4G) 10 W The
following can be used in theve hicle without
re strictions:
R two-w ayradios with a maximum transmission
output of up to100 mW
R RF transmitters with transmitter frequencies
inthe 380 - 410 MHz frequency band and a
maximum transmission output of up to2 W
(TETRA)
R mobile phones (2G/3G/4G) Te
ch nical da ta427
Internal use only

All models
Ve
hicle width excluding out‐
side mir rors 18
10 mm
Wheelbase 2840 mmModel
Vehicle
height
C 16 01 542 mm
C 180
C 200 14
42 mm
or
15 42 mm
C 18 0 d
C 200 d
C 220 d 14
42 mm
C 300
C 300 d 14
47 mm
All other models 1452 mm We
ights and loads Please obser
vethefo llowing no tesfo rth e speci‐
fi ed vehicle data:
R Items of optional equipment increase the
unladen weight and reduce the pa yload.
R Vehicle-specific weight information can be
fo und on theve hicle identification plate
(/ page 428).
Ro of load All models
Maximum
roof load 75kg Tr
ailer hitch Gene
ral no tes on the trailer hit ch Modifications
tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Mounting dimensions
1
Fastening points
2 Overhang dimension
3 Rear axle centre line Te
ch nical da ta441
Internal use only

Ad
ditives (fuel)...................................... 433
Brake fluid............................................ .438
Coolant (engine).................................... 438
Engine oil.............................................. 436
Fu el (diesel)...........................................4 33
Fu el (petrol)........................................... 432
No tes....................................................4 30
Wi ndsc reen washer fluid.......................4 39
Operating saf ety
48 V on-boa rdelectrical sy stem.............. 23
Declaration of confo rmity (elect ro‐
magnetic compatibility)........................... 25
Declaration of conformity (jack).............. 28
Declaration of conformity (TIREFIT kit).... 29
Declaration of conformity (wire less
ve hicle components)...............................25
EQ Boo st................................................. 23
Information.............................................. 23
Ope rating sy stem
see On-board computer
Optimised acceleration Activating.............................................. 15 8
Outside mir rors
Anti-dazzle mode (automatic)................ 14 2Au
tomatic mir rorfo lding function......... .143
Fo lding in/out........................................ 141
Operating the memory function.............1 11
Pa rking position..................................... 14 2
Setting................................................... 141
Overhead control panel Overview................................................. 14
Owner's Manual Vehicle equipment................................... 23
Owner's Manual (digital)............................ 20 P
Pa int code.................................................. 428
Pa intwork (cleaning instructions) ...........383
Pa norama sliding sunroof
see Sliding sunroof
Pa rk position
Inserting................................................ 16 9
Selecting au tomatical ly......................... 16 9
Pa rked Vehicle Locator
Switching transmission on/of f.............. 276
Pa rking
see Electric parking brake Pa
rking aid
see Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC
Ac tivating.............................................. 230
Ad justing warning tones........................ 231
Deactivating.......................................... 230
Fu nction................................................ 227
Side impact pr otection.......................... 229
Sy stem limitations................................. 227
Pa rking assistance sy stems
see Active Parking Assist
Pa rking brake
see Electric parking brake
Pa rking lights............................................ .125
Pa rking position
Outside mir rors..................................... 14 2
St oring the position of the passenger
outside mir ror using reve rsege ar.......... 14 3
Pa rking up.................................................. 184
PA SSENGER AIR BAGstatus display
see Automatic front passenger front
airbag shutoff 538
Index
Internal use only

R
Ra dar and ultrasonic senso rs
Damage................................................. 186
Ra dio
Ac tivating.............................................. 358
Ac tivating/deactivating radio text......... 361
Ac tivating/deactivating traf fic
announcements..................................... 361
Calling up a slide sho w.......................... 360
Calling up thest ation lis t...................... .360
Deleting stations.................................. .360
Direct frequency entr y.......................... 360
Displaying information........................... 361
Displaying radio text.............................. 361
Fr equency fix......................................... 361
Managing favo urites.............................. 360
Managing station presets...................... 360
Moving stations.................................... .360
Overview.............................................. .359
Sear ching forst ations.......................... .360
Setting a channel................................. .359
Setting station trackin g......................... 361
Setting the frequency band................... 359
Setting the traf fic information
service volume inc rease........................ 361 St
oring radio stations............................ 360
Ta gging music trac ks............................. 361
Vo ice commands (LINGU ATRO NIC)....... 258
Ra dio ope rating permits ........................... 428
Ra in-closing feature
Side wind ows.......................................... 87
Sliding sunroof........................................ 92
REA CHregulation........................................32
Re ading lamp
see Interior lighting
Re ar climate control
Setting................................................... 14 6
Re ar door (child saf ety lock)...................... 70
Re ar fog light
Switching on/of f................................... 12 6
Re ar seat
see Seat
Re ar seat belt
St atus display......................................... .43
Re ar seat belt status display ..................... 43
Re ar window
Ro ller sunblin d......................................... 94Re
ar window heater.................................. 14 4
Re ar-view mir ror
see Outside mir rors
Re cycling
see Take -ba ckof end-of-life vehicles
Re ducing agent
see AdBlue ®
Re fuelling
Re fuelling theve hicle............................. 172
To pping up AdBlue ®
............................... 176
Re gistration
Ve hicle.....................................................31
Re mo tecont rol (stationa ryheater/
ve ntilation)
Displa ys................................................. 151
Problems............................................... 15 2
Re placing the battery.............................1 51
Setting................................................... 15 0
Re mo teOnline
Charging thest ar ter battery.................. 15 6
Cooling or heating theve hicle interior... 15 6
St arting theve hicle................................ 157540
Index
Internal use only