2021 MERCEDES-BENZ C-CLASS CABRIOLET key

No
teson using apo we rwa sher &
WARNIN GRisk ofan acci dent when
us ing powe rwa sher swit hro und -spr ay
nozzl es
The waterje tcan caus eex tern all yin visi ble
damag e.
Com ponentsdamag edinthis wa yma yune x‐
pec tedly fail. #
Donotuse apo we rwa sher withro und-
spra yno zzles. #
Have damag edtires orchassis parts
re placed immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle. Other wise
th etrunk lidcould openunintentionally .
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 hadecor ativefo 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 tex ceed 140°F
(60°C ).
R Obse rveth einf ormation onthecor rect dis‐
tan ceintheeq uipment manufacturer'soper‐
ating instruction s.
R Donotdir ect thenoz zleofthepo we rwa sher
dir ectl yat sensitiv epar ts,e.g. tires, softto p,
wind deflect ornet,ga ps, elect rical com po‐
nents, batter ies, light sources and ventil ation
sl its. Wa
shing theve hicl eby hand *
NO
TEEngi nedama gedue towa ter
ing ress #
Take car eno tto point thewa terje t
dir ectly towa rdsth eair inle tgr ille belo w
th ehood. 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 todir ect sunlight . #
Carefully hosetheve hicle offwit hwa terand
dr yusi ng ach amois .
% Obse rveth eno teson thecar eof vehicle
par ts(/ page329). No
teson paint work/ma tte finish paint work
car e Obse
rveth eno teson cleaning andcareto avo id
damagin gth epaintw ork.
Pa int
R Insect remains: soakwithinsect remo verand
ri nse offth etreat edareas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse off
af te rw ards. Main
tenance andcare32
5

Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Obtain aNew Key *H
aveSmar tKey replaced. #
Consult aqu alif ied spec ialistwo rkshop.
Á Repla ceKey Battery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page65).
Á Key NotDetected(whit e
displa ymessag e) *T
heSmar tKey iscur rentl yund etect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e12 6). 402
Displaymessa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 6).
Á Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 6). Dis
play messa gesand warning/ indic ator lam ps 403

At
tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivati ng med iamod e................ .......... 296
Co nnecti ngUSB devic es........... ............297
Cop yright s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 296
Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 294
Inse rting/ remo ving anSD card............. 296
Med iasea rch.. .......................................3 01
Ov ervie w.. ......... ................................. ... 297
Pa use and playbac kfun ction .................2 98
Selecti ngatrac k............ .......................298
Selecti ngplayba ckoptions .................... 298
Tr ac klis t................................................ 298
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ................109
Au tomatic engine star t(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....132 Au
tomatic engine sto p(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> .....132
Au tomatic fron tpass engerfr on tair‐
bag shutoff
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff........... ..... 45
PA SSENGER AIRBAGind icat orlam p....... 47
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating........... ..............119
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... .................... .... 136
Dr ive pr ogr am disp la<005C001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....135
Dr ive pr ogr am<0056001100110011001100110011001100110011001100110011001100110011
001100110011> ....................134
DY NA MIC SELE CTswitc h...................... 134
Eng aging drive po sitio n............ ............. 138
Eng aging neu tral ............. .......................137
Eng aging park position .................... ...... 138
Eng aging reve rsege ar. ...................... .... 137
Kic kdo wn..... ..........................................140
Manual gearshif ting.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 139 St
eer ing wheel paddle shifters.............. 139
Tr ans miss ionposit iondispla y................ 136
Tr ans miss ionposit ions.......................... 136
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) B
BA S(Br akeAssis tSy stem). ...................... 152
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 65
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle)
Ch <00440055004A004C0051004A0011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 344
Ch arging (Remo teOnline). ..................... 127
No tes... .................................................. 341
No tes(s ta rting assis tance and
ch argin g)............................................... 342
Re placing .............................................. 346
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........344
Bel t
see Seatbe lt Inde
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5

Decl
ining...... ............ .............................273
Endi ngacal l............... ........................ ...273
Incoming callduring anexistin gcall ...... 274
Making.. ............................................. ... 273
Mer cedes me........................................2 83
Call sup thesound menu
Bur mes ter®
sur round soun dsy stem.. ....3 14
Cam era
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)......................................... 323
Car e
Air -water duct... .....................................3 23
Au tomatic carwash... ........................ ....3 23
Ca rpet<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 330
Decor ative foil.. .....................................3 26
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 330
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 329
Fo lding windscreen. ........................ .....3 29
Head liner........ .......................................330 Matt
efinis h.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 325
Pa int wo rk<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 325
Pl as tic tr<004C005000110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 330
Po we rwa sher. ................................. ...... 325
Re alwo od/tr imelements .................. ... 330
Re ar vie wcam era.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 329
Sea tbel <0057001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 330
Sea tco ver..... ................................... ..... 330
Sensor s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 329
Sof tto p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 327
St eer ing wheel. ................................. ....3 30
Sur round viewcam era..................... .....3 29
Ta ilpipes ............................................ .... 329
Wa shing byhand. ..................................3 25
Whee ls/rims...... ................................... 329
Wi nd deflect or.. .....................................3 27
Wi nd scree<0051001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> ................328
Wi ndo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 329
Wi per blades .........................................3 29
Car gotie-do wnrings. ................................ 103
Car pet(Car e).............................................3 30
Chang eof addr ess....... ...............................23
Chang eof ow ner ship ..................................2 3 Cha
nging awheel
Pr epar ation............................................ 378
Ra ising theve hicle ................................ 379
Cha nging awheel
see Emerge ncy sparewheel
Chan ginggears
Manu ally....... ......................................... 139
Cha nging hubcap s.. .................................. 378
Cha racter ent ry
Using thecon troller.... ........................... 228
Char ging
Batt ery(v ehicle) .................................... 344
Child seat
At tach ing (notes)... ..................................5 5
Basi cins tructi ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> ...............51
Fr ont- passeng erseat (notes)... ................6 0
LA TC H-type (ISOFIX )(ins talling). .............5 6
No teson risk sand dang ers... .................. 52
Secur ingonthefront passeng erseat... ...61
Secu ring on there ar seat. .......................5 9
To pTe ther.. ............................................. 58
Childr en
Av oiding dangersin theve hicle.... ........... 52 Inde
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7

Sel
ecting acont act<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 248
Sel ecting aPOI <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 246
Sel ecting from themap.... ..................... 249
Sel ecting prev ious destination s.............2 45
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion.............................. 26
Digit alOper ator's Manua l... ....................... 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r
Eng aging drive po sitio n............ .............138
Eng aging neutr al....... .............................137
Eng aging park position .......................... 138
Eng aging park position automatic ally....1 38
Eng aging reve rsege ar. .......................... 137
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>136
Disp lay(car e)............ .................................3 30
Di spla y(multime diasystem)
Se ttings. .......................................... ...... 229
Displa y(on-boa rdcom puter)
Dis play son themultifunc tiondispla y.... 203 Di
spl aymes sage
Ca lling up(on-bo ardcom puter)..... ........ 398
No tes... ............................................. ....3 98
Di spla ymessag es
00B2 ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 423
ç ---mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 423
003D 12VBatt erySee Oper ator's
Manual..... .............................................4 37
0059 12VBatt erySee Oper ator's
Manual..... .............................................4 05
: ActiveHea dlamps Inoperati ve...... 407
é ATTENTION ASSISTInoper ative... .4 22
é ATTENTION ASSIST: Take a
Br ea k!<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.........423
: Automatic HeadlampMode
Inoper ative....... ..................................... 406
0027 CheckBr ak eFlui dLe vel............... 421
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l......... ................................. 422
00BD CheckCool antLevelSee Oper‐
at or's Manual .........................................4 12 00B3
CheckEn gin eOil AtNe xtRe fu‐
eli ng. ...... ............................................... 444
00B3 CheckEn gin eOil Level(A dd 1
qu art).................................................... 445
: CheckLef tLo wBeam (exa m‐
ple)....... ................................................. 406
0077 CheckTire s<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 440
00B2 CheckWa sher Fluid... ...................4 12
0059 Convertible TopLo we ring............. 404
0059 Convertible TopOper ation Pos‐
sible to37 mph<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 404
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ..........................413
0025 Currentl yUna vailable See
Opera tor's Manua l........ ........................ 432
00E5 Current lyUn available See
Operat or'sMan ual................................4 33
Á Don't Forget Your Key<0011001100110011001100110011001100110011001100110011001100110011
00110011> 403
00CC Drive More Slowly<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 431 47
0
Inde x

00B3
EngineOilLe velCann otBe
Mea sured<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>......447
00B3 EngineOilLe velLo wStop Vehi‐
cle Turn Engi neOff............ ....................445
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e... ...............................4 46
00B3 Engine OilReduce OilLevel.......... 445
0075 Front LeftMalfunction Service
Re quired (exa mp le)...............................3 99
006F Front LeftSeat Backres tNo t
Lo cked (exa mp le).. .................................4 11
00B6 FuelLevelLo w..............................4 14
00B6 GasCap Loose.............................. 414
0025 Inoper ativeSee Oper ator's
Manua l....... ........................................... 433
00E5 Inoper ativeSee Oper ator's
Manua l....... ........................................... 434
007A Inoper ativeSee Oper ator's
Manua l....... ........................................... 435
0053 Inoper ative..... .............................. 437 :
Intell. Light System Inoperativ e....407
Á KeyNo tDe tected (red displ ay
messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 403
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 402
0075 LeftSid eCu rtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) .....3 99
¢ Lowe ring............. <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 430
ä Malfunctio nDr ive at Ma x.50
mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 429
: Malfunction SeeOperato r’s
Manual... ............................................... 406
Á ObtainaNe wKe y<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 402
ç Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 424
00D9 Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 422
0059 Open/Cl oseConvertible Top
Com pletely... .........................................4 05
0049 Parking Brak eSee Opera tor's
Manua l......... ..........................................4 17
0077 Please Correct Tire Pressur e... ..... 441 0049
Please Release Parking Brak e.. .... 420
006F Rear Lef tBac kres tNo t
La tched (exa mp le).................................. 411
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 402
003D SeeOperator's Manua l........ ........ 438
0075 SRSMalfunction Service
Re quired ................................................ 399
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Manua l.. 409
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...... 410
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.......439
003D Stop Vehicle SeeOper ator's
Manual... ............................................... 438
00CC Stop Vehicle Vehicle TooLo w....... 430
ç Suspended ................................... 424
: SwitchOf fLights.... ......................4 07
: SwitchOn Hea dlamps<0011001100110011001100110011001100110011001100110011001100110011
00110011> 407
0058 Trunk Partition Open.. .................. 405 In
de x 47
1

Dr
iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away..... 415
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual.... ............................4 00
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual.... ............................4 00
Hazard Warning Flashe rsMalfunc‐
tioning. .................................................. 409
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual. ...................4 37
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 415
Onl yShif tto 'P' when Vehicle isSta‐
tio nar y...................................................4 14
Place theKe yin theMar kedSpace
See Oper ator's Manual. .........................4 03
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l......... ................................. 401
Ra dar SensorsDir tySee Oper ator's
Manual. .................................................4 36 Re
versing NotPo ssible Service
Re quired ................................................ 416
Ru nFla tIndi catorInop erati ve............... 444
Ser vice Required Do NotShif tGear s
Vi sit Dealer.... ........................................4 15
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.. ...................4 16
Ti re Press. Monit orCur rently
Un available ............................................ 439
Ti re Press. Monit orInopera tive... ..........4 39
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors.. .................................... 440
Ti re sOv erheat ed................................... 442
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.. .................................. 415
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3
secs. orpress 3times...... ......................4 12
Tr af fic Sign AssistCamer aVi ew
Re strict ed See Operator's Manua l......... 426 Tr
af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual.................. 426
Tr af fic Sign AssistInoper ative.... ........... 426
Tr ans miss ionMalfun ction Stop..... ......... 416
Disp layon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Loc king (emerg ency key). ........................ 69
Ope ning (from inside ).............................. 67
Un loc kin g(emer gency key). .................... 69
Un loc kin g(fr om insid e)............................ 67
Door controlpan el....................................... 16
DO T,Tire Iden tificat ionNumbe r(TI N)..... 367
Dr aw bar
see Tow- bar system
Dr inking anddriving... ...............................1 29
Dr ive Awa yAssis t.... .................................. 198 Inde
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3