boot MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owner's Manual

There is a
risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around in such
situations. #
Alw ays make sure that objects do not
pr otru de from stowage spaces, luggage
nets or stowage nets. #
Close the loc kable stow age spaces
before starting a journe y. #
Alw aysstow and secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot. Ve
hicles with automatic front passen ger air‐
bag shu toff:objects trapped under the front
passenger seat may inter fere with the function
of the automatic front passenger airbag shutoff
or damage the sy stem. Please obser vethe no tes
on the function of the automatic front passenger
airbag shutoff (/ page47). &
WARNING ‑ Risk of accident or inju ry
when using the cup holder while the
ve hicle is in motion
The cup holder cannot hold a container
secure while theve hicle is in motion.
If yo u use a cup holder while theve hicle is in
motion, the conta iner may be flung around
and liquids could be spilled. The vehicle
occupants may come into contact with the
liquid and if it is hot, they could be scalded.
Yo u could be distracted from traf fic condi‐
tions and you may lose cont rol of theve hicle. #
Only use the cup holder when theve hi‐
cle is stationar y. #
Only use the cup holder for containers
of theright size. #
Alw ays close the conta iner, particularly
if th e liquid is hot. *
NO
TEDama getothe handle in the boot
fl oor If
th e handle in the boot is left pr otru ding,
th e handle may be damaged. #
Before closing the boot lid, de tach the
handle and press it down closed again. *
NO
TEDama getothestow age compart‐
ment under the ashtr aydue tointense
heat The
stow age compartment under the ashtray
is not heat resis tant and could be dama ged if
yo ure st a lit cigar ette on it. #
Make sure that the ashtr ayis fully
engaged. &
WARNING ‑ Risk of fire and injury from
th e hot cigar ette lighter
Yo u can burn yourself if youto uch the hot
heating element or the soc ket of the ciga‐
re tte lighter. Seats and
stowing 111

Through-loading
feature in there ar ben ch
seat (EAS Y-PA CK Quickfold) Fo
lding there ar seat backrest forw ards &
WARNING Risk of accident if there ar
ben chseat, rear seat and seat backrest
are not engaged
The rear ben chseat, rear seat and seat back‐
re st may fold forw ards, even while theve hi‐
cle is in motion.
R As a result, theve hicle occupant will be
pressed into the seat belt with increased
fo rc e. The seat belt will not be able to
pr otect as intended and could cause
additional injur y.
R Objects or loads in the boot or load com‐
partment cann otbe restra ined bythe
seat backrest. #
Make sure that there ar ben chseat, the
re ar seat and the seat backrest are
engaged before everytrip. If
th e left and right seat backrests are not
engaged and loc ked in place, this will be shown
on the multifunction display on the instrument
clus ter.A wa rning tone will also sound.
Re quirements:
R Tofold the cent reseat backrest forw ards:
th e cent reseat backrest has been unloc ked.
Yo u can fold the seat backrests forw ard sepa‐
ra tely. #
Vehicles without a memory function:
mo vethe driver's or front passenger seat for‐
wa rds, if necessar y.
Ve hicles with a memory function: if neces‐
sar y,when the seat backrest in there ar is folded
fo rw ard, the cor responding front seat will mo ve
fo rw ards slightly to avoid a collision. Seats and
stowing 11 3

1
Tie-down eyes At
taching the luggage net &
WARNING Risk of inju rydue toobjects
being stowed incor rectly
If objects in theve hicle interior are stowed
incor rectly, they can slide or be thrown around and hit
vehicle occupants. In addi‐
tion, cup holders, open stowage spaces and
mobile phone brac kets cann otalw aysre tain
all objects they contain.
The reis a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around in such
situations. #
Alw ays make sure that objects do not
pr otru de from stowage spaces, luggage
nets or stowage nets. #
Close the loc kable stow age spaces
before starting a journe y. #
Alw aysstow and secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot. Obser
vethe no tes on loading theve hicle. #
Fold up the tie-down eyes. #
Hook luggage net 1into the front and rear
tie-down eyes. Soc
kets Using the
12V so cket Re
quirements:
R Only devices up toa maximum of 180 W
(15 A) are permissible. Seats and
stowing 11 5

Depending on
theve hicle equipment, theve hicle
has thefo llowing 12V soc kets:
R Inthestow age compartment in the front
cent reconsole
R Inthestow age compartment in the cent re
console of there ar passenger compartment Example:
12V soc ket in thestow age compartment
in the front cent reconsole #
Fold up soc ket cap 1. #
Inse rtthe plug of the device.
If yo u ha veconnected a device tothe12 V
soc ket, le ave the co ver of thestow age compart‐
ment open. Wire
lesscharging of the mobile phone and
connection with theex terior aerial Note
s on wirelessly charging the mobile
phone &
WARNING Risk of inju rydue toobjects
being stowed incor rectly
If objects in theve hicle interior are stowed
incor rectly, they can slide or be thrown
around and hit vehicle occupants. In addi‐
tion, cup holders, open stowage spaces and
mobile phone recep tacles cannot al ways
re tain all objects within.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects so that they can‐
not be throw n around in su chsitua‐
tions. #
Alw ays make sure that objects do not
pr otru de from stowage spaces, luggage
nets or stowage nets. #
Close the loc kable stow age spaces
before starting a journe y. #
Alw aysstow and secure heavy, hard,
poin ted, sharp-edged, fragile or bulky
objects in the boot/load compartment. Obser
vethe no tes on loading theve hicle. &
WARNING Risk offire from placing
objects in the mobile phone stowage
compartment
Placing other objects in the mobile phone
stow age compartment could con stitute a fire
hazard. #
Apart from a mobile phone, do not
place any other objects in the mobile
phone stowage compartment, espe‐
cially those made of me tal. 11 6
Seats and stowing

R
get out and be stru ck byoncoming traf‐
fi c.
R ope rate vehicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion by,fo rex ample:
R releasing the parking brake.
R changing the transmission position.
R starting theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
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. The electric pa
rking brake is applied if the
tr ansmission is in position j
jand one of the
fo llowing conditions is fulfilled:
R The engine is switched off. R
The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
% Toprev ent application: pull the handle of the
electric parking brake (/ page166).
In thefo llowing situations, the electric pa rk‐
ing brake is also applied:
R The HOLD function is keeping theve hicle sta‐
tionar y.
R Active Parking Assist is keeping theve hicle
st ationar y.
R Active Dis tance Assi stDISTRONIC is bringing
th eve hicle toast andstill.
R In addition, one of thefo llowing condi‐
tions mu stbe fulfilled:
- The engine is switched off.
- The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and
th e driver's door is opened.
- There is a sy stem malfunction.
- The po wer supp lyis insuf ficient. -
The vehicle is stationary for a lengt hy
period.
When the electric parking brake is applied, the
re d! indicator lamp lights up in the instru‐
ment clus ter.
% The electric parking brake is not automati‐
cally applied if the engine is switched off by
th e ECO start/ stop function.
Fu nction of the electric pa rking brake
(releasing automatically)
The electric parking brake is released when
th efo llowing conditions are fulfilled:
R The driver's door is closed.
R The engine is running.
R The transmission is in position hork and
yo u depress the accelera tor pedal or you
shift from transmission position jtoh or
k when on le velground.
R Ifth e transmission is in position k,the boot
lid must be closed.
R The seat belt tongue is inser ted into the seat
belt buckle of the driver's seat. Driving and parking
16 5

3
Red guide line at a dis tance of appr oximately
0.3 m from there ar area
4 Yellow warning indicator of Parking Assist
PA RKTRONIC: obstacles at a dis tance
between appr oximately 0.6 m and 1.0 m
5 Redwa rning display of Parking Assist
PA RKTRONIC: obstacles are very close
(appr oximately 0.3 m or less)
6 Orange warning display of Parking Assist
PA RKTRONIC: obstacles are a medium dis‐
ta nce away (between appr oximately 0.3 m
and 0.6 m) Wi
de-angle view Tr
ailer view (vehicles with a trailer hit chonly)
1 Yellow guide line, locating aid
2 Red guide line at a dis tance of appr oximately
0.3 m from the ball head of the trailer hitch
3 Ball head of the trailer hitch
Sy stem failure
If th ere ve rsing camera is not ready for opera‐
tion, theq display appears in the media dis‐
pla y.
Sy stem limits
The reve rsing camera will not function or will
only partially function in thefo llowing situations:
R The boot lid is open. R
There is heavy rain, snow or fog.
R The light conditions are poor, e.g. at night.
R Cameras, or vehicle components in which
th e cameras are fitted, are dama ged, dirty or
co vered. Obser vethe information on vehicle
sensors and cameras (/ page168).
% Do not use there ve rsing camera in these
types of situations. You could otherwise
injure others or collide with objects when
parking theve hicle.
Fo rte ch nical reasons, thest andard height of the
ve hicle may be altered if theve hicle is car rying a
heavy load and can result in inaccuracies in the
guide lines and in the display of thege nerated
ima ges.
% The display contra stmay be impaire d dueto
incident sunlight or other light sources. In
th is case, pay particular attention.
% Have the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use. Driving and pa
rking 205

1
Guide line of extern al vehicle dimensions
with outside mir rors folded out
2 Marker of the wheel conta ct points
Sy stem failure
If th ere ve rsing camera is not operational, the
fo llowing message appears in the media display: Sy
stem limits
The 360° Camera will not function or will only
partially function in thefo llowing situations:
R The doors are open.
R The side mir rors are folded in.
R The boot lid is open.
R There is heavy rain, snow or fog.
R The light conditions are poor, e.g. at night.
R Cameras, or vehicle components in which
th e cameras are fitted, are dama ged, dirty or
co vered. Obser vethe information on vehicle
sensors and cameras (/ page168).
Do not use the 360° Camera under such circum‐
st ances. You could otherwise injure others or
collide with objects when parking or manoeu‐
vring theve hicle.
On vehicles with height-adjus table suspension or
if th eve hicle is car rying a heavy load, leaving the
st andard height can result in inaccuracies in the
guide lines and in the display of thege nerated
ima ges, depending on tech nical conditions. %
The contrast of the display may be impaired
by abrupt, direct sunlight or by other light
sources, e.g. when driving out of a garage . In
th is case, pay particular attention.
% Have the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use.
See the no tes on cleaning the 360° Camera
(/ page 368). 208
Driving and parking

th
e assis tance of there ve rsing camera and 360°
Camera. When you are driving forw ards up to
appr oximately 35 km/h, the sy stem automati‐
cally measures parking spaces on bo thsides of
th eve hicle.
As soon as all requ irements are met for sear ch‐
ing for parking spaces, theÇ display appears
in the multifunction displa y.
When Active Parking Assist has de tected pa rking
spaces, theÈ display appears in the multi‐
function displa y.The ar rowsshow on which side
of thero ad de tected pa rking spaces are located.
They are then shown in the media displa y.
The parking space can be selected as desired.
Depending on the location of the parking space,
th e parking direction (rear wards or forw ards)
can also be selec ted as desired.
When Active Parking Assist is activated, the turn
signal indicators are activated based on the cal‐
culated path of your vehicle.
When you are en tering or exiting a parking
space, the procedure is assis tedby acceleration,
braking, steering and gear changes. Ac
tive Parking Assist is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe manoeuvring and
parking remains with you. Make sure that no
persons, animals or objects etc. are in the
manoeuvring range.
Ac tive Parking Assist will be cancelled in thefo l‐
lowing situations:
R Parking Assist PARKTRONIC is deacti vated.
R You begin steering.
R You apply the parking brake.
R You en gage transmission position j.
R ESP ®
inter venes.
R You open the doors or the boot lid while driv‐
ing.
Sy stem limits
If th eex terior lighting is malfunctioning, Active
Pa rking Assist is not available.
Objects located abo veor below the de tection
ra nge of the sensors, e.g. overhanging loads,
ov erhangs or loading ramp s of goods vehicles, or
th e borders of parking spaces, are not de tected
du ring measu rement of the parking space. These are also
then not take n into account when calcu‐
lating the parking procedure. In some circum‐
st ances, Active Parking Assist may therefore
guide you into the parking space incor rectl y. &
WARNING Risk of accident due to
objects located abo veor below the
de tection range of Active Parking Assist
If th ere are objects abo veor below the
de tection range, thefo llowing situations may
arise:
R Active Parking Assist may steer too early.
R The vehicle may not stop in front of these
objects.
This could cause a collision. #
Inthese situations, do not use Active
Pa rking Assist. Extreme
weather conditions, such as sn owor
heavy rain, may lead toa parking space being
measured inaccuratel y.Pa rking spaces that are
partial ly occupied bytrailer dr awbars might not
be identified as such or be measured inco rrectly. 214
Driving and pa rking

A CI+ module (Common Inter
face Module),
whi chis not included in the scope of deliver y,is
used todecrypt HD programmes according to
th e CI+ standard. In some countries, an addi‐
tional smart card is requ ired, which is inse rted
into the CI+ module (see the manufacturer's
operating manual).
The TVtuner is in the boot recess. The CI+ mod‐
ule is inse rted into theTV tune r.
* NO
TEDama getothe CI+ module and
Smart Card The CI+ module is designed
for use in the
home. The CI+ module can overheat and be
damaged bycontinuous exposure tohigh
outside temp eratures. #
Make sure that the CI+ module is not
subject tohigh temp eratures forex ten‐
ded pe riods of time.
If th e CI+ module is damaged, no
encryp tedch annels can be recei ved. The
TVtuner can recei veprogrammes in Dolby
Digital Plus. Manufactured under licence from Dolby Labora‐
to
ries. Dolb y,Dol byAudio and the double-D sym‐
bol are trademar ksof Dolby Laboratories.
The TVtuner au tomatically sets theTV standard.
TV reception is dependent on thefo llowing fac‐
to rs:
R Speed
R Characteristics of the selected TVchannel TV
reception may be influenced bythefo llowing
fa ctors:
R Electronic devices whi chare take n into the
ve hicle may impair TVreception.
R The conditions forre ception may change
whilst theve hicle is in motion.
Po or reception conditions can ha vethefo llowing
ef fect:
R The TVtuner switches toan alternative digi‐
ta lch annel with better reception wi th the
same programme content.
R The TVtuner mu testh e sound, freezes the
screen or hides it. The tsymbol appears
in the displa y. Switching
toTV mode Multimedia sy
stem:
4 Media 5
à Media sources #
Select TV.
The TVpicture appears. If available, the
ch annel and prog ramme information is dis‐
pla yed. 344
Multimedia sy stem

#
Make sure that the CI+ module is not
subject tohigh temp eratures forex ten‐
ded pe riods of time.
If th e CI+ module is damaged, no
encryp tedch annels can be recei ved. The
TVtuner is in the boot recess. #
Ifre qu ired (countr y-dependent), insert the
smart card into the CI+ module slot. #
Remo vethe pr otective cap from theTV tune r. #
Insert the CI+ module into theTV tuner sl ot. #
Place the pr otective cap on theTV tune r.
When the CI+ module is inser ted cor rectly,
encryp ted HD programmes can be recei ved
according toCI+ standard.
If th e CI+ module is not compatible, an er ror
messa geappears.
Calling up the CI+ module menu
Multimedia sy stem:
4 Media 5
à Media sources 5
TV
5 Z Options #
Select CA module. #
Select a menu option.
% You can view the subscription number in the
CI+ menu. You need this to extend the sub‐
scription, forex ample.
If playback is malfunctioning, you can try to
re sol vethe problem with Restart CI+ mod-
ule.
Fu rther information can be found in the man‐
ufacturer's operating instructions. Sound
To
ne settings Information about
the sound sy stem
The sound sy stem has a total output of 100 W
and is equipped with five speakers. It is available
fo r all functions in thera dio and media modes.
% The call can also be made from other audio
sources. Replace Media with, forex ample,
Ra dio in the menu path. Calling up
the sound menu
Multimedia sy stem:
4 Media 5
à Sound
The following functions are available:
R Equaliser
R Balance and Fader
R Automatic volume adjustment
R Other sound settings #
Select a sound menu.
Ad justing treble, mid- range and bass set‐
tings
Multimedia sy stem:
4 Media 5
à Sound 5
Equaliser #
Select Treble, MidorBass. #
Change the settings. Multimedia sy
stem 351