2020 MERCEDES-BENZ C-CLASS CABRIOLET open hood

Ke
eping theair -water duct free #
Keep thear ea between thehood andthe
winds hieldfree ofdepos its,e.g .ice, snow
and leaves. Cleani
ngand care No
teson washing theve hicl ein acar wash &
WARNIN GRisk ofacci dent dueto
re duced braking effect afte rwa shing the
ve hicle
The braking effect isreduced afte rwa shing
th eve hicle. #
Afterth eve hicle hasbeen washed,
br ak ecar efully whilepaying attention to
th etraf fic condi tions untilth ebr aking
ef fect hasbee nful lyrestor ed. *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R toavoid possible wateringr ess intheve hicle,
it is prefer able touse carwashes whichallo w
th ehigh-pr essurepr e-clean ingtobe deacti‐
va ted(specif ication forth econ vertible pro‐
gr am).
R itis im per ativ eto avo idasubseq uenthot-
wa xtrea tment.
R remo vetheSmar tKey inorder toensur eth at
th ewind deflect oron thewindshield retracts .R
ActiveDis tance AssistDIS TRONI Cand the
HOLD functio nar edea ctivated.
R the360° Camer aor there ar vie wcam erais
swit ched off.
R theside windo wsand softto par eclosed
com pletely.
R theblo werfo rth eve ntil ation/he ating is
sw itched off.
R thewindshield wiperswitchis in position 005A.
R theSmar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle, other wise
th etrunk lidcould openunintentionally .
R incar washes withacon veyo rsy stem: neu‐
tr al 005C iseng aged.
% Incar washes withacon veyo rsy stem: ifyo u
wo uld liketo lea vetheve hicle while itis
being washed, makesur eth eSmar tKey is
locat edintheve hicle. Theparkposition 005D
is other wise automaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. Maint
enanc eand care355

Inf
orma tion onusin gapo we rwa sher &
WARNIN GRisk ofacci dent whenus ing
hig h-pr essurecle ani ng equipm entwith
ro und -spr ay nozzl es
The waterje tfr om aro und -spr ay nozzl e(d irt
gr ind er) maycau sedama getotires and sus‐
pe nsi on components that isno tvisi ble.
Com ponentsdamag edinthis wa yma yfa il
une xpec tedly. #
Donotus ehigh- press urecle ani ng
eq uipme ntwith round -spr ay nozzl esto
cle an your vehicle. #
Damag edtires orsuspension compo‐
nent smus tbe replaced immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R keep theSmar tKey atleas t10 ft(3 m) away
fr om theve hicle. Other wise thetrunk lid
could openunintentionall y.
R maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle. R
vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecora tivefo il.
Maint ainadis tance ofat leas t27 .6 in
(70 cm) between thefo il-c ove redpar tsof the
ve hicle andthenoz zleofthepo we rwa sher .
Mo vethepo we rwa sher nozzlearound whilst
cleaning. Thewaterte mp eratur eof the
po we rwa sher mustno texc eed 140°F
(60 °C).
R obse rveth einf ormation onthecor rect dis‐
ta nce intheeq uipment manufacturer'soper‐
ating instruction s.
R donotpoint thenoz zleofthepo we rwa sher
dir ectl yat sensitiv epar tssuc has tires, the
sof tto p, thewind deflect ornet,slits, electr i‐
cal com ponen tpar ts,batt eries, light sources
and ventil ation slot s. Wa
shing theve hicl eby hand Obser
vetheleg alrequ iremen ts,e.g. inanumb er
of coun tries, washing byhand isonl yper mitt ed
in specially designatedwash bays. #
Use amild cleaning agent, e.g.carsham poo. #
Washtheve hicle withluk ewa rmwaterusi ng
a sof tcar spong e.When doingso,donot
ex pose theve hicle todirect sunlight . #
Carefully hosetheve hicle offwit hwa terand
dr yusi ng ach amois .Ta ke car eno tto point
th ewa terje tdir ectl yto wa rdsth eair inle t
gr ille belo wthehood. 356
Maintenanc eand care

Blo
wn fusesmus tbe replaced withfuses ofthe
same rating ,wh ich yo ucan recogni zeby the
colo rand fusera ting .The fuse rating sand fur‐
th er information tobe obser vedcan befound in
th efuse assignmen tdiagr am.
Fu se assignment diagram: onthefuse boxin
th etrunk (/page38 7).
* NO
TEDama geormalfunct ionscaused
by mois ture Mois
turema ycause damagetotheelectr ical
sy stem orcause itto malfu nction. #
When thefuse boxis open, makesur e
th at no mois turecan enterthefuse
bo x. #
When closing thefuse box,mak esur e
th at theseal ofthelid isposition edcor‐
re ctly onthefuse box. If
th ene wlyinser tedfuse alsoblows,ha ve the
cau setrace dand rectif ied at aqu alif ied spec ial‐
is two rkshop.
Ensur eth efo llo wing beforere placing afuse:
R The vehicle issecur edagains tro lling away. R
Allelectr icalconsu mersar esw itched off.
R The igniti onissw itched off.
The electr icalfu ses arelocat ed invarious fuse
bo xes:
R Fuse boxin theengine compartmen ton the
dr iver's side (/page385)
R Fuse boxon thedr iver's side ofthecoc kpit
(/ page386)
R Fuse boxin thefront passeng erfoot we ll
(/ page386)
R Fuse boxin thetrunk ontheright-h andside
of theve hicle, when viewe din thedir ect ion
of tra vel(/ page38 7) Opening
andclosing thefus ebo xin the
engine compartmen t Re
quirement s:
R Adr yclo thand asc rewdr iver areav ailable.
Obse rveth eno teson electr icalfuses
(/ page38 4). Opening &
WARNIN GRisk ofinju ryfrom using the
winds hieldwiper swhile theengine hood
is open
When theengine hoodisopen andthewind‐
shield wipersar ese tin mo tion ,yo ucan be
trapped bythewiper linkage. #
Alw aysswitc hof fth ewindshield wipers
and ignition beforeopening theengine
hood. Br
eakdo wnassis tance 38
5

#
Turn clip2 oncover1 aqu arter-tur nto
th elef t. #
Foldcover1 upinthedir ect ion ofthe
ar row . #
Remo veanyex istin gmois turefrom thefuse
bo xusing adr yclo th. #
Loosen screws3 and remo vefuse boxlid
4 from theto p.
Closing #
Chec kwhe ther theseal isposition edcor‐
re ctly inlid 4. #
Inser tlid 4 intoth ebr ac ketat there ar of
th efuse box. #
Folddo wn lid4 ofthefuse boxand tight en
scr ews3. #
Folddo wn cover1. #
Turn clip2 oncover1 aqu arter-tur nto
th eright. #
Close thehood. Opening
andclosing thefus ebo xin the
coc kpit The
fuse boxis on theside ofthedashboar d
under aco ver. #
Con tact an author ized Mercedes-B enzCen‐
te rfo rfur ther information . Opening
andclosing thefus ebo xin thefront
pa sseng erfoot we ll Obser
vetheno teson electr icalfuses
(/ page38 4). 386
Breakdo wnassis tance

Engine
Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00BD Check Coolant LevelSee
Operator' sManual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page353 ). #
Have thecooling system checkedat aqu alif ied spec ialistwo rkshop.
00AC Coola ntToo HotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Waitunt ilth eengine hascooled down. #
Mak esur eth at theair supply tothera diat orisno tim pair ed. Displa
ymessag esand warning/ indic ator lam ps 459

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0051 *A
tle as tone door isop en. #
Close alldo ors.
0083 *T
hehood isopen. &
WARNIN GRisk ofacci dent ifth eengine hoodisunlatc hedwhile driving
An unloc kedengin ehood mayopen upwhen theve hicle isin mo tion andblockyo ur vie w. #
Neverunla tchth eengine hoodwhile driving. #
Beforeev erytrip, ensur eth at theengine hoodislatc hed. #
Stop theve hicle immediat ely,pa ying attention toroad and traf fic condi tions. #
Close thehood.
0084 *T
hetrunk lidisopen. &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus tga ses suchas carbon monoxide.Exhaus tga ses can enterthe
ve hicle interior ifth etrunk lidisopen when theengine isrunning ,esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine beforeopening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. 47
8
Display messa gesand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p The
yello wfuel reser vewarning lam plight sup while drivin g.
*Ther ehas been pressur eloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Visit aqu alif ied spec ialistwo rkshop.
00AC Coola ntwa rning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses are:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsupply tothera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. Disp
lay mess ages and warning/ indic ator lam ps 495

Opening
orclosing thedoor ................1 56
Pr ogr ammi ngbutt ons .......................... 154
Ra dio equipment approval num bers.... 157
Re sol ving problems ............................. 156
Sync hronizi ngthero lling code .............1 55
Gas station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 275
Swi tching automatic searchon/of f..... 281
Using automatic search<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 281
Gaso line <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 425
Gea rshif tre comm endation .................... 148
Genuin epar ts.......... .................................. 22
Glide mode ...............................................148
Glo vebox
Loc king /unloc king.............................. 104 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)....... 388
Hazar dwa rning light s.............................1 16 Hazar
doussubstances
Inf ormation .................................... ........24
Head airbag ................................................ 41
Head leve lheat ing(AIRSC ARF)................ 97
Head restra int
Fr ont (adjus tingmechanicall y).............. 93
Re ar (installin g/remo ving) .....................9 4
Head-up Display...... ................................230
Ad jus ting disp lay el eme nts(on-bo ard
com puter) ..... ................................... .... 230
Ad jus ting thebr ightn ess(on-boar d
com puter) ....................................... ..... 230
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>231
Menu (on-bo ardcom puter) ..... .......... ... 230
Se tting theposition (on-boar dcom‐
put er) ............................................. ..... 230
Switc hingon/off........................... ...... 232
Headliner (care)....................................... 364
Heating see Climat econ trol
High beam
Switc hingon/off........................... .......1 15
High-be amflasher ................................... 115 High-be
amheadlam ps
Ad aptiveHig hbeam Assis t.................... 117
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 186
HOLD functio n...... ................................... 187
Fu nctio n/no tes .................................... 187
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 187
Hood Opening/clo sing................................. 348
Ho tspo t
Se tting up(Wi-Fi) ................................. 261 I
Iden tificatio nplat e
Engine .................................................4 22
Re frig er ant .......................................... 429
Ve hicle ................................................ 422
Ignition Switc hingon(Start/S topbutt on) ........ 131
Ignit ionkey
see Smar tKey
Imm obiliz er................................................ 87
Indi catorlam ps
see Warning/ indic ator lam ps 51
6
Inde x