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

R
emphasises theve hicle's ownove rste er ing
and under steer ing charact eristic sfo ra mor e
activ edr iving style
R onlysuit able forgood road con dition s,adr y
ro ad sur face and acle arstre tchof road
C Sports
R con tinues toofferst abilit ybut withaspor ty
se tup
R allowsthespor tydriver amor eactiv edr iving
st yle
R onlysuit able forgood road con dition s,adr y
ro ad sur face and acle arstre tchof road
A Comfort
R com fortable andeconomic aldrivin g
R balan cebetween tract ion and stabilit y
R recomme ndedforall road con dition s
; Eco
R particular lyec ono micaldr ivin g
R balance betwee ntract ion and stabilit y
R recomme ndedforall road con dition s De
pen dingon thedr ive pr ogr am, thefo llo wing
sy stems chang eth eir charact eristic s:
R Drive
- Engin eand transm issionman agemen t
- ActiveDis tance AssistDIS TRONI C
R ESP ®
R Vehicl eswith AIRMA TICorDY NA MIC
BO DY CONT ROL:suspen sion
R Elec tric po we rst eer ing Selecting
thedr ive pr og ram #
Press DYNA MIC SELE CTswitc h1 forw ards
or bac kwards.
The drive pr og ram sele cted app earsin the
multifu nctiondisplay. Dr
iving and parking 13
5

Conf
iguringdrive pr og ram I Mu
ltimed iasystem:
4 Vehicle 5
e DYNA MICSELECT
5 Individual #
Select theindividual setting. Switc
hingtheoper ation feedba ckfordr ive
pr og rams onoroff Mu
ltimed iasystem:
4 Vehicle 5
e DYNA MICSELECT #
Switc hNotif ication forUser on0073 oroff0053.
When this func tion isact ive, acor responding
messag eis sho wninthemedia displaywhen
a dr ive pr og ram issele cted withth e
DY NA MIC SELE CTswitc h. Displa
yingvehicl edata Mul
timedi asy stem:
4 Vehicle 5
e DYNA MICSELECT #
Select Vehicle Data.
The vehicle datais displa yed. Displa
yingengine data Multimedia
system:
4 Vehicle 5
e DYNA MICSELECT #
Select Engine Data.
% The actual (maximum) values that can be
ac hie vedfo rengine outputand engine tor‐
qu ema yde viat efrom thecer tified values
wit hin thecount ry-spe cificgu ideline sfo r
per missible toler anc es(basis: UN-ECE No.
85 orcount ry-spe cificgu ideline s).
Fa ctor sth at can influen cethis are, forex am‐
ple:
R Sea leve l
R Fuelgrade
R Outside temp eratur e
R Oper ating temp eratur eof theengine
% The values displa yedser veonl yas orient a‐
tion. Thevalues forengine outputand
engine torq ue show nin themedia display
ma yde viat efrom theactual values. Au
tomatic trans mis sion DI
REC TSE LECT leve r Fu
nction oftheDIRECT SELECT leve r &
WARNIN GRisk ofacci dent dueto inc or‐
re ct gearshif ting
If th eengine speedishigher than theidle
speed andyouen gage thetransmission posi‐
tion 005Bor005E, theve hicle mayacceler ate
shar ply. #
Ifyo uen gage thetransmission position
005B or005E when theve hicle isat a
st ands till,alw aysdepr essthebr ak e
pedal firm lyand donotacc eler ateat
th esame time. 13
6
Driving and parking

&
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R open doors,ther eb yendang ering other
per sons orroad user s.
R getou tand bestru ck byoncom ingtraf‐
fi c.
R ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R releasing thepar king brak e.
R chang ingthetra nsmiss ionposition .
R star tin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. Use
theDIRE CTSELECT leve rto switc hth e
tr ans missi on positio n.Thecur rent trans mis sion
po sitio nis displ ayed inthemultifunc tiondispla y. 005D
Park position
005E Reversege ar 005C
Neut ral
005B Drive po sitio n
En gaging reve rsege ar R #
Depr essthebr ak epedal andpush the
DIR ECT SELEC Tleve rupw ards pas tth efirs t
point ofresis tance.
En gaging neutr alN #
Depr essthebr ak epedal andpush the
DIR ECT SELEC Tleve rup ordown tothefirs t
point ofresis tance.
% Toshif tint oneutr al005C withth eignition on,
push theselect orleve rup ordown forse v‐
er al seconds tothefirs tpo int ofresis tance.
Sub sequently releasing thebr ak epedal will
allo wyo uto mo vetheve hicle freel y,e.g. topush
it or tow itaw ay.
Pr ocee das follo ws ifyo uwa nttheaut oma tic
tr ansm ission toremain inne utr al005C 005C,
evenif
th eignit ionisswitc hedoffor thedr iver' s
door isopened : #
Dep ress thebr ak epedal andengageneutral
005C when theve hicle isat ast ands till. Dr
ivin gand parking 13
7

#
Release thebr ak epedal. #
Switc hth eignition off.
% Ifyo uth en exitth eve hicle leaving the
Smar tKey intheve hicle, theaut omatic trans‐
mission remains inneutr al005C.
Eng aging parkpositio nP #
Obser vetheno teson par king theve hicle
(/ page14 3). #
Depr essthebr ak epedal untiltheve hicle
comes toast ands till. #
When theve hicle isat ast ands till,pr ess but‐
to n005D.
Whe nth etransmission positiondisplay
sho ws005D,th epar kposition iseng aged. Ifno
tra nsmiss ionposition display005D appear s,
secur eth eve hicle topreve ntitfrom rolling
aw ay.
% Dep endingonthesituation ,it ma yta ke a
shor ttime until005Diseng aged. Ther efor e,
alw ayspa yatt ention tothetra nsmiss ion
position display. Pa
rk position 005Diseng aged aut omatic allyif one
of thefo llo wing condition sis me t:
R Youswit choffth eignition whentheve hicle
is statio naryand thetransmission positionis
005B or005E.
R Youopen thedr iver's door when theve hicle
is at ast ands tillor when drivin gat ave ry low
speed andthetransmission positionis005B or
005E.
% Tomaneu verwit han open driver's door ,
open thedr iver's door while atast ands till
and engagetrans miss ionposit ion005Bor005E
ag ain.
Eng agin gdr ive posi tion D #
Depress thebr ak epedal andpush the
DIR ECT SELEC Tleve rdo wn pas tth efirs t
point ofresis tance.
Whe nth eaut omatic transmiss ionisin transmis‐
sion position 005B,itshif tsthege arsaut omat i‐
call y.This depends, amongother things ,on the
fo llo wing fact or s:
R The select eddrive pr ogr am
R The position oftheaccelera torpeda l R
The driving speed Pr
obl ems with thetransm ission Th
etransm ission hasafa ulty gear shif t
Po ssible cause:
R The transmission islosing oil. #
Have thetra nsmiss ioncheckedat aqu alif ied
spec ialistwo rkshop immediat ely.
The accel eration charact eristics getwo rse,
and thetransm ission nolong ershif ts.
Po ssible cause:
R The transmission isin emer gency operati on
mod e:itis only possi ble to shif tto one gear
and reve rsege ar. #
Pull overand stop theve hicle safely assoon
as possible, paying attention toroad and traf‐
fi c condi tions. #
Shif tth etra nsmiss iontoposition 005D. #
Switc hof fth eengine. #
Waitat leas tte nseco nds. 13
8
Driving and parking

#
Tryto star tth eengine again. #
Shif tth etra nsmiss iontoposition 005Bor005E.
If 005B isselect ed,thetransmission onlyshif ts
to one gear;if 005E isselec ted, thetransmis‐
sion shiftsto reve rsege ar. #
Have thetra nsmiss ioncheckedat aqu alif ied
spec ialistwo rkshop immediat ely. Manual
gearshif ting When
theaut omatic transmiss ionisshif tedto
position 005B,youcan man uallyshif tit wit hth e
st eer ing wheel gearshif tpaddle. Ifper mitted, the
aut omat ictransm issionshif tsto ahigh eror lo
we rge ar depen dingon thesteer ing wheel
ge arshif tpaddle beingpulled.
Yo uha ve twoop tio ns tomanua lly shif tth eaut o‐
matic transmiss ion:
R Temp orar yse tting
R Perm anen tse tting
The gearsshif taut omat icallywhen manualgear‐
shif tingis deac tivated.
Te mp oraryse tting: #
Toactiv ate: pul lst eer ing wheel gearshif t
paddle 1or2.
Man ualgearshif tingis act ivat ed fora shor t
time. Thetransmiss ionposi tion display
sho ws0063 and thecur rent gear.
% Howlon gth emanual gearshif tingst ay sacti‐
va tedis dependen ton various fact or s.
Ma nua lge arshif tingcan beaut omat ically
deac tivated inthefo llo wing cases :
R Changin gth edr ive pr ogr am
R Restar tin gth eve hicle
R When thetra nsmiss ionposition 005Bis
eng aged again R
Driving style #
Toshif tup: pull steer ing wheel gearshif t
paddle 2. #
Toshif tdo wn: pullsteer ing wheel gearshif t
paddle 1. #
Todeac tivate: pullst eer ing wheel gearshif t
paddle 2and hold itin place .
The transm issionposit iondispla ysho ws005B.
Pe rm anen tse tting: #
Cha ngeto drive pr og ram =(/ page13 5). #
Select drive se tting 0063(/ page13 6). Gear
shiftre comm endation The
gearshif tre comme ndation assists youin
adop tingan eco nomic aldrivin gst yle. Dr
iving andparking 13
9

#
Ifge arshif tre comme ndation 1appea rs
ne xt to thetra nsmiss ionposition display,
shif tto there comme ndedgear. Using
kickdow n #
Maximum acceleration: depress theaccel‐
er ator pedal beyond thepr essur epoint .
To protect agains tengine overrev ,th eaut omatic
tra nsmiss ionshiftsup tothene xt gear when
max imum enginespee dhas been reac hed. Glid
emod efu ncti on *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Wi
th an ant icip ator ydr ivin gst yle, Glide mode
helps youto reduce fuelconsum ption.
Glide mode isch aract erize dby thefo llo wing:
R The com bustion engin eis disco nnect edfrom
th edr ivet ra in and continues torunin neu tral .
R The trans mis sion positio ndispl ay005B is
sho wningreen.
Glide mode isact ivat ed ifth efo llo wing condi‐
tion sar eme t:
R Drive pr og ram ; issele cted.
R The speed iswit hin asui table rang e.
R The road's courseissuit able, e.g.no steep
uphill ordownhill inclinesortight bends.
R Youdo notdepr esstheaccelera toror brak e
peda l(e xc ep tfo rlig ht brak eapp lications). %
Glide mode canalsobe activ ated ifyo uha ve
select edthe"Eco" setting forth edr ive in the
dr ive pr og ram =.
Gli de mode isdea ctivated again ifone ofthe
condi tions isno long erme t.
Gl ide mod ecan also be preve nted bythefo llo w‐
ing parame ters:
R Incline
R Downhill gradi ent
R Temp eratur e
R Height
R Speed
R Oper ating status oftheengine
R Traf fic situ ation
% Glide mod ecan beende dby pressing a
st eer ing wheel gearshif tpaddle
(/ page13 9). Fu
nction ofthe4MA TIC
4MA TICensures that all four wheel sar edr iven .
To get her withESP ®
and 4ETS,4MA TICimprove s 14
0
Driving and parking

th
etraction ofyour vehicle whene vera dr iven
whee lspins duetoinsuf ficie nttracti on.
If yo ufa ilto adap tyo ur drivin gst yle, 4MA TICcan
neit her reduce therisk ofan accident norover‐
ri de thelaws ofphysics. 4MA TICcannotta ke
acc oun tof road, weather and traf fic condi tions.
4MA TICisonly anaid. Youar ere sponsible espe‐
cially formaint ainingasaf edis tance from the
ve hicle infront, forve hicle speed, forbr aking in
good timeandforst ay ing inlane.
% Inwint ryroad con dition s,themaximum
ef fect of 4MA TICcan beachie vedonl yif yo u
use wint ertires (M+ Stir es), withsn ow
ch ains ifnec essar y. Re
fueli ng Re
fueli ngtheve hicl e &
WARNIN GRisk offire or explosion from
fuel
Fu els arehighly flammab le. #
Fire,open flames ,smo kingand creat ion
of spar ksmus tbe avo ided. #
Swit choffth eignition and,ifav ailable,
th est atio naryheat er,bef oreand while
re fuel ingtheve hicle. &
WARNIN GRisk ofinju ryfrom fuels
Fu els arepoisonous andhazar dous toyour
healt h. #
Donotsw allo wfuel orletit co me into
co ntact withsk in, eyes orclo thing. #
Donotinhale fuelvapor . #
Keep childr enaway from fuel. #
Keep door sand windo wsclos edduring
th ere fuel ingprocess.
If yo uor other people comeintocont actwith
fuel, obser vethefo llo wing: #
Imm ediat elyrinse fuelof fyo ur skin wit h
soap andwater. #
Iffuel comes intocont actwithyo ur
ey es, immediat elyrinse them thor‐ oughl
ywit hclean water.Seek medical
att entio nimm ediately . #
Ifyo usw allo wfuel, seek medicalatten‐
tio nimm ediat ely. Do notind uce vomit‐
ing. #
Cha ngeimmedi ately out ofclo thing that
has com eint ocon tact with fuel . &
WARNIN GRisk offire and explosion due
to electr ostatic charge
Ele ctrostatic charge can ignitefuel vapor . #
Beforeyo uopen thefuel filler cap or
ta ke hold ofthepum pnoz zle, touc hth e
me tallic vehicle body. #
Toavo idcreatin gano ther electr ostatic
ch arge ,do notget intoth eve hicle again
dur ing there fuel ingprocess. *
NO
TEDama gecau sed bythewr ong fuel Ve
hicles withaga soline engine: Dr
iving andparking 14
1

Ev
en sma llam ounts ofthewr ong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission control system. #
Onlyre fuel withlow- sulfur gasoline.
This fuelmaycont ainupto10%ethanol. Your
ve hicle issuit able foruse withE1 0fuel .
Ne verre fuel withone ofthefo llo wing fuels:
R Dies el
R Gasoline withmor eth an 10%ethanol by
vo lume, e.g.E15, E8 5,E100
R Gasoline withmor eth an 3% methano lby
vo lume, e.g.M15,M30 ,M85 ,M1 00
R Gasoline withadditiv escon tainin gme tal
If yo uha ve acc iden tally re fuel edwithth e
wr ong fuel: #
Donotswit chtheignition on. #
Consult aqu alif ied spec ialistwo rkshop. *
NO
TEDo notus ediese lto refuel vehi‐
cles withaga soline engine If
yo uha ve acc iden tally re fuel edwithth e
wr ong fuel:
R Donotswit chtheignition on.Other wise
fuel canentertheengine.
Ev en small amounts ofthewr ong fuel
could result indamag eto thefuel system
and theengine. Therepair costsarehigh. #
Consult aqu alif ied spec ialistwo rkshop. #
Have thefuel tank and fuellines
dr ained complet ely . *
NO
TEDama getothefuel system caused
by ove rfilled fueltank s #
Only fill th efuel tank unti lth epum p
noz zleswitc hesoff. *
NO
TEFuelma yspr ayout when you
re mo vethefuel pum pnoz zle #
Onlyfill th efuel tank unti lth epum p
noz zleswitc hesoff. Re
quirement s:
R The vehicle isunloc ked.
% Donotge tint oth eve hicle again during the
re fuel ingprocess. Other wise,ele ctrostatic
ch arge cou ldbu ild up again.
Obs erve theno teson oper ating fluids andfuel.
On lyrefuel withfuel that has atleas tth eoct ane
number specifiedintheinf ormation labelinthe
fuel filler flap. Other wise, engineoutput can be
re duced andfuel consum ption increased. 14
2
Driving and parking