MERCEDES-BENZ C-CLASS CABRIOLET 2021 Owners Manual

#
Clean draught stop net 1with a damp clo th
in conjunction with the care products and
cleaning agents recommended and appr oved
fo r Mercedes-Benz. Cleaning
thefo lding draught stop*
NO
TEDama getothe net due tousing a
high-pressure cleaner #
Never use a high-p ressure cleaner to
clean the net of the wind deflector. Re
quirements:
R Make sure that the no tes on the cor rect
ins tallation and stowing location of thefo ld‐
ing draught stop are obser ved (/ page 85). #
Clean folding draught stop net with a damp
clo thin conjunction with the care products
and cleaning agents recommended and
appr ovedfo r Mercedes-Benz. Note
s on care of car parts &
WARNING Risk of entrapment if the
windscreen wipers are swit ched on while
th e windscreen is being cleaned
If th e windscreen wipers are set in motion
while you are cleaning the windscreen or
wiper blades, you can be trapped bythe
wiper arm. #
Alw ays switch off the windscreen wip‐
ers and the ignition before cleaning the
windscreen or wiper blades. &
WARNING Risk of bu rns from theta il‐
pipe and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could
burn yourself. #
Alw ays be particular lycareful around
th eta ilpipe and theta ilpipe trims and
supervise children especially closely in
th is area. #
Allow vehicle parts tocool down before
to uching them. To
avo id damage totheve hicle, obser vethe
no tes on cleaning and care of thefo llowing vehi‐
cle parts:
Wheels and rims
R Use wate r and acid-free alloy wheel cleaners.
R Do not use acidic alloy wheel cleaners to
re mo vebrake dust. This could damage wheel
bolts and brake components.
R Toavo id cor rosion of the brake disks and
brakepads, drive theve hicle for a few 368
Maintenance and care

minutes af
ter cleaning before parking it. The
brake disks and brakepads warm up and dry
out.
Wi ndo ws
R Clean the windo wsinside and outside with a
damp clo thand with a cleaning agent recom‐
mended for Mercedes-Benz.
R Do not use dry clo ths or abrasive or sol vent-
based cleaning agents toclean the inside of
windo ws.
% Remo veextern al fogging or dirt on the wind‐
screen in front of the multifunction camera.
Otherwise, driving sy stems and driving
saf ety sy stems may be impaired or not avail‐
able (/ page168).
Wi per blades
R Movethe wiper arms into there placement
position (/ page128).
R With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
R Do not clean the wiper blades too of ten. Ex
terior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, e.g. car sha mpoo.
R Only use cleaning agents or cleaning clo ths
th at are suitable for plast ic lenses.
Sensors
R Clean the sensors in the front and rear
bumpers with a soft clo thand car shampoo
(/ page 168).
R When using a high-pressu recleane r,maintain
a minimum dis tance of 30 cm.
Re versing camera and 360° Camera
R Open the camera co ver with the multimedia
sy stem (/ page 209).
R Use clean water and a soft clo thtoclean the
came ralens.
R Do not use a high-pressure cleaner.
Ta ilpipes
R Clean with a cleaning agent recommended
fo r Mercedes-Benz, especial lyin the winter
and af terwa shing theve hicle.
R Do not use acidic cleaning agents. Tr
ailer hitch
R Obse rveth e no tes on care in the trailer hitch
manufacturer's operating instructions.
R Do not clean the ball neck with a high-pres‐
sure cleaner or solvent.
R Remo vetraces of rust on the ball, forex am‐
ple, with a wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, lightly oil or grease the ball
head.
% Before using trailers with anti- torsional cou‐
pling, obser vethe manufacturer's operating
instructions. Note
s on care of the interior &
WARNING Risk of inju ryfrom pla stic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause su rfaces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. Maintenance and care
369

#
Do not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit. &
WARNING Risk of inju ryor death from
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to
te ar or fail in an accident. #
Never blea chor dye seat belts. To
avo id damage totheve hicle, obser vethefo l‐
lowing no tes on cleaning and care:
Seat belts R Clean with luk ewarmand soapy water.
R Do not use chemical cleaning agents.
R Do not dry byheating them toove r 80°C or
ex posing them todirect sunlight.
Display
R Switch off the display and let it cool down. R
Clean the sur face carefully wi tha mic rofibre
clo thand a suitable display care product
(TF T-LC D).
R Do not use any other agents.
Plastic trim R Clean with a damp microfibre clo th.
R For heavy soiling: use a cleaner recommen‐
ded for Mercedes-Benz.
R Do not attach sticke rs,fi lms or similar mate‐
ri als.
R Do not allow cosmetics, insect repellent or
sun cream tocome in contact wi th the plas‐
tic trim.
Re alwo od and trim elements
R Clean with a mic rofibre clo th.
R Blackpiano-lac quer look: clean with a damp
clo thand soapy water.
R For heavy soiling: use a cleaner recommen‐
ded for Mercedes-Benz.
R Do not use sol vent-based cleaning agents,
polishes or waxes. Ro
of lining
R Clean with a brush or dry shampoo.
Carpet
R Use a carpet and textile cleaning agent rec‐
ommended for Mercedes-Benz.
St eering wheel made of genuine leather or
DINAMICA
* NO
TEDama gecaused bywrong cleaners #
Do not use solvent-based cleaning
agents such as tarre mo ver or wheel
cleaner; neither should you use pol‐
ishes or waxes. Otherwise you may
damage thefinish. R
Clean wi tha damp clo thand 1% soapy water
solution and then wipe with a dry clo th.
R For heavy soiling: use a cleaner recommen‐
ded for Mercedes-Benz.
R Leather care: use a leath er care agentthat
has been recommended for Mercedes-Benz.
R Do not allow the leather tobecome too
damp. 37 0
Maintenance and care

R
Do not use a mic rofibre clo th.
% Leather is a natural product. It has natural
sur face prope rties, such as dif fere nces in
st ru cture, mar kscaused bygrow thand
injury or subtle colour dif fere nces.
Genuine leather seat co vers
R Clean with a damp clo thand then wipe with a
dry clo th.
R Leather care: use a leath er care agentthat
has been recommended for Mercedes-Benz.
R Do not allow th e leathertobecome too
damp.
R Do not use a microfibre clo th.
DINAMICA seat co vers
R Clean with a damp clo th.
R Do not use a mic rofibre clo th.
Imitation leather seat co vers
R Clean with a damp clo thand 1% soapy water.
R Do not use a mic rofibre clo th. Fa
bric seat co vers
R Clean with a damp mic rofibre clo thand 1%
soapy water and allow todry. Maintenance and care
371

Emer
gency Re
moving the saf etyve st The saf
etyve sts are located in thestow age com‐
partments in the driver and front passenger
door. #
Toremo ve:pull out sa fety vest bag byloop. #
Open the saf etyve st bag and pull out the
saf etyve st. 1
Maximum number of washes
2 Maximum wash temp erature
3 Do not bleach
4 Do not iron 5
Do not tumble dry
6 Do not dry clean
7 Class 2 saf etyve st
The requ irements defined bythe legal standard
are on ly fulfilled if the saf etyve st isthe cor rect
size and is fully closed.
The saf etyve st must be replaced in thefo llowing
situations:
R there flective strips are damaged or dirty
R the maximum permissible number of washes
is exc eeded
R thefluorescence has faded Wa
rning triangle Re
moving the warning triangle #
Push bo thsides of warning triangle holder
1 inthe direction of the ar row and open it. #
Remo ve wa rning triangle 2. 372
Breakdown assis tance

Setting up
thewa rning triangle #
Fold side reflectors 1upwards toform a tri‐
angle and attach at theto p using upper
press-stud 2. #
Fold legs 3down and out tothe side. Fi
rs t-aid kit (soft-sided) overview Fir
st-aid kit (so ftsided) 1is in the boot in the
left-hand or right-hand stowage net, depending
on the model. Re
moving the fire extinguisher &
WARNING Risk of accident due toan
incor rectly secu redfire extinguisher in
th e driver's foot we ll
A fire extinguisher may impede pedal tr avel
or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle.
The fire extinguisher can be flung around and
injure the driver or other vehicle occupants. #
Alw aysst ore and secure thefire extin‐
guisher in the brac ket. #
Do not remo vethefire extinguisher
while driving. Breakdown assi
stance 373

#
Left-hand drive vehicle: pulltab1
upwards. #
Right-hand drive vehicle: pulltab1 down‐
wa rds. #
Remo vefire extinguisher 2. Flat tyre
Note
s onflat tyres &
WARNING Risk of accident due toaflat
tyre
A flat tyre se verely affects the driving charac‐
te rist ics as well as thesteering and braking
of theve hicle.
Ty res without run-flat characteristics: #
Do not drive with a flat tyre. #
Chan getheflat tyre immediately with
an emer gency spa rewheel or spare
wheel. Alternativel y,consult a qualified
specialist workshop.
Ty res with run-flat characteristics: #
Obse rveth e information and warning
no tes on MOExtended tyres (run-flat
tyres). In
theeve nt of a flat tyre, thefo llowing options
are available depending on your vehicle's equip‐
ment:
R Vehicles with MOExtended tyres: it is pos‐
sible tocontinue the journey for a short
period of time. Make sure you obse rvethe
no tes on MOExtended tyres (run-flat tyres)
(/ page 375).
R Vehicles with a TIREFIT kit: you can repair
th e tyre so that it is possible tocontinue the
jou rney for a short period of time. Todo this,
use the TIREFIT kit (/ page376).
R Vehicles with Mercedes me connect: you
can make a call for breakdown assi stance via
th eove rhead control panel in the case of a
breakdown (/ page313).
R Allvehicles: change the wheel
(/ page 405). 374
Breakdown assis tance

Note
s on MOExtended tyres (run-flat tyres) &
WARNING Risk of accident when driving
in li mp-home mode
Driving in emergency mode impairs the han‐
dling characteristics of theve hicle. #
Do not exceed the permissible maxi‐
mum speed of the MOEx tended tyres. #
Avoid any abrupt steering and driving
manoeuvres as well as driving over
obs tacles (kerbs, pot holes, off-road).
This applies, in pa rticular, toa loaded
ve hicle. #
Stop driving in the emer gency mode if
yo u notice:
R banging noise
R vehicle vibration
R smoke which smells like rubber
R continuous ESP ®
inter vention
R crac ksinthe tyre side walls #
After driving in emergency mode, ha ve
th erims checkedby aqu alified special‐ ist
workshop with rega rd totheir fur ther
use. #
The defective tyre must be replaced in
eve rycase. Wi
th MOExtended tyres (run-flat tyres), you can
continue todrive your vehicle even if there is a
tot al loss of pressure in one or more tyres. How‐
eve r,th e tyre af fected must not show any clearly
visible damage.
Yo u can recognise MOExtended tyres bythe
MOExtended marking which appears on the side
wa ll of the tyre.
Ve hicles with tyre pressure loss warning sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure loss
wa rning sy stem.
Ve hicles with tyre pressure monitoring sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure mon‐
itoring sy stem. If a pressure loss
warning message appears in
th e multifunction displa y,proceed as follo ws:
R Check the tyre for dama ge.
R If driving on, obser vethefo llowing no tes.
Driving distance possible in emer gency
mode af ter the pressure loss warning: Load condition Driving distance pos‐
sible in emergency
mode
Pa rtially laden 80 km
Fu lly laden 30 km The driving dis
tance possible in emergency
mode may vary depending on the driving style.
Obser vethe maximum permissible speed of
80 km/h.
If a tyre has gone flat and cannot be replaced
with an MOEx tended tyre, you can use a stand‐
ard tyre as a temp orary measure. Breakdown assis
tance 375

TIREFIT kit
storage location The TIREFIT kit is located under
the boot floor. 1
Tyre inflation compressor
2 Tyre sealant bottle 1
Bag
Depending on the model, the TIREFIT kit may
also be located in other places under the load
compartment floor or in bag 1inthe boot.
% Depending on the po wer category (LK), the
tyre inflation compressor weighs as follo ws:
R LK1 – 12V/10 A,120W, 0.8 kg
R LK2 – 12V/15 A,180W, 0.9 kg
Yo u can find information on the po wer cate‐
gory (LK) and/or electrical data on the back
of the tyre inflation compressor. The tyre inflation compressor is mainte‐
nance-free. If
there is a malfunction, please
conta ct aqualified specialist workshop. Using
the TIREFIT kit Re
quirements:
R Tyre sealant bottle
R TIREFIT sticker
R Tyre inflation compressor
R Gloves (depending on theve hicle equipment)
TIREFIT kit storage location: (/ page376)
Yo u can use TIREFIT tyre sealant toseal per fora‐
tion dama geof up to4 mm, particular lythose in
th e tyre conta ct surface. You can use TIREFIT in
outside temp eratures down to-20 °C. &
WARNING Risk of accident when using
tyre sealant
The tyre sealant may be unable toseal the
tyre properly, especially in thefo llowing
cases: 376
Breakdown assis tance

R
there are cuts or punctures in the tyre
lar gerth an damage pr eviously men‐
tioned.
R the wheel rim is dama ged.
R you ha vedriven at very low tyre pres‐
sures or on a flat tyre. #
Do not drive on. #
Consult a qualified specialist workshop. &
WARNING Risk of inju ryand poisoning
from tyre sealant
Ty re sealant is hazardous tohealth and cau‐
ses ir rita tion. Do not allow it tocome into
contact wi thyour skin, eyes or clo thing, and
do not swallow it. Do not inhale any vapours.
Ke ep the tyre sealant away from children.
Obser vethefo llowing if you come into con‐
ta ct wi th the tyre sealant: #
Rinse off the tyre sealant from your skin
using water immediatel y. #
If tyre sealant gets into your eyes, thor‐
oughly rinse them using clean water
immediatel y. #
If tyre sealant has been swallowe d,
th oroughly rinse out your mouth imme‐
diately and drink plenty of water.Do not
induce vomiting and seek medical
attention immediately. #
Change out of clo thing which has come
into con tact wi thtyre sealant immedi‐
ately. #
If an alle rgic reaction occurs, seek med‐
ical attention immediatel y. *
NO
TEOverheating due tothe tyre infla‐
tion compressor running too long #
Do not runth e tyre inflation compres‐
sor for longer than ten minu tes without
inter ruption. Comply with
the manufacturer's saf ety no tes on
th est icke r on the tyre inflation compressor. Ha
ve the tyre sealant bottle replaced in a quali‐
fi ed specialist workshop every five years. #
Do not remo veany fore ign objects which
ha ve entered the tyre. #
Affix pa rt1 ofthe TIREFIT sticke rto the
instrument clus ter within the driver's field of
vision. #
Affix pa rt2 ofthe TIREFIT sticke r near the
va lve on the wheel with the defective tyre. Breakdown assis
tance 377