2021 MERCEDES-BENZ C-CLASS CABRIOLET service

Disp
laymes sages Int
roducti on In
fo rm ation about displaymessag es
Displ aymessa gesappea ron themultifunc tion
displa y.
Dis play messa geswit hgr aphical symbols are
sim plified intheOper ator's Manual andmaydif‐
fe rfr om thesymbols onthemultifunc tiondis‐
pla y.The multifunct iondispla ysho wshigh-pr ior‐
ity displa ymessag esinred. Cer tain displa ymes‐
sag esareacc ompanied byawa rning tone.
Pl ea se act inacco rdanc ewit hth edispla ymes‐
sag esand follo wtheadditional notesin the
Oper ator's Manual .
Fo rsome display messa ges,asymbol willalso
be sho wn:
R Õ Further information
R 00A4 Hidedispla ymessag e
Wi th thelef t-hand Touc hCon trol, youcan select
th ere spectiv esymbol byswiping tothelef tor
ri ght. Press theÕ symbol tosho wfur ther infor‐ mation
onthemedia display.Press the00A4
symbol tohide thedispla ymessag e.
Yo ucan hide low- prior ity displa ymessag esby
pr essing theP backbutt onorthelef t-hand
To uc hCon trol. The displ aymessa geswill then
be stor ed inthemessag ememor y.
Re ctify thecause ofadispla ymessag eas
qu ickl yas possible .
High- prior ity displa ymess ages can notbe hid‐
den. Themultif unction displa ysho wsthese dis‐
pla ymessag escon tinuousl yuntil thecause of
th edispla ymessag ehas been rectif ied.
Cal ling up save ddispl aymes sages
On-b oard com puter:
4 Service5
1Mes sage
If th er ear eno displa ymessag es,NoMessages
will appear onthemultifunc tiondispla y. #
Scrollth ro ugh thedispla ymessag esby swip‐
ing upw ards ordown wardson thelef t-hand
To uc hCon trol. #
Toexitth emess agemem ory: press the
bac kbutt onP. 398
Displa ymessag esand warning/ indic ator lam ps

Occupant
safety Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0075 SRS Malfunct ionServic e
Required *T
herestra int system ismalfunct ioning(/page36). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. 0075
Front LeftMalfunction
Service Required(exa mp le) *T
hecor responding restra int system ismalfunct ioning(/page36). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. 0075
Left Side Curtain Airbag
Malfunction Service
Requ ired(Exam ple) *T
hecor responding headairbag ismalfunctioning (/page36). &
WARNIN GRisk ofinju ryor deat hdue tothehead airbag malfunct ioning
If th ehead airbag ismalfunct ioning,itmight betrigg ered unint entionall yor might notdeplo yat all intheeve nt
of an acci dent. #
Have thehead airbag checkedand repair edimmediat elyat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 399

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Forall other transmission positions,parkth eve hicle safely. #
Consult aqu alif ied spec ialistwo rkshop orbreakdo wnservice.
Reversing NotPossible
Service Required *
The transmission ismalfunctioning. Thetransmission position005Ecanno tbe select ed. #
Consult aqu alif ied spec ialistwo rkshop.
Transmission Malfunction
Stop *
The transmission ismalfunctioning. Thetransmission shiftsto neu tral 005C automatical ly. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Depr essthebr ak epedal. #
Engage par kposition 005D. #
Consult aqu alif ied spec ialistwo rkshop.
Stop Vehicle LeaveEngine
Running WaitTransmission
Cooli ng *T
hetransmission isove rheating. Pullingaway ma ybe temp orarily im pair edornotpossible. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
Auxi liar yBatte ryMa lfunc-
tio n *T
heauxilia rybatt eryfo rth etra nsmiss ionisno long erbeing charge d. #
Consult aqu alif ied spec ialistwo rkshop. #
Untilthen, alwaysselect parkposition 005Dmanually beforeyo uswit choffth eengine. #
Beforelea ving theve hicle, apply theelectr icpar king brak e. 41
6
Display messa gesand warning/ indic ator lam ps

Ac
tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 169
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>166
Sy stem limits. ........................................1 66
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>111
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 112
Ad diti ves
Engi neoil.... ............ ..............................392
Fu el................... .................................... 391
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Ad dres sbo ok
see Contacts
Ad jus tingthe balanc e/fader
Ad vanced soundsystem.. ......................3 15
Bur mes ter®
sur round soun dsy stem.. ....3 14
Ad jus tingthe bass,mid- rang eand
tr eble
Bur mes ter®
sur round soun dsy stem ...... 314 Ad
jus tingthe mid- rang e,treble and
bass
Burmes ter®
sur round soun dsy stem ...... 314
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...... 314
Ad jus tingtreb le,mid- rang eand bass
se ttings
Ad vanced soundsystem.. ......................3 15
Bur mes ter®
sur round soun dsy stem ...... 314
ADS PLUS damp ing system
see AIRMA TIC
Ad vanced sound system
Ad jus ting thebalance/f ader............ ...... 315
Ad jus ting treb le,mid -rang eand bass
se tting s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 315
Callin gup thesound menu.................... 315
Inf ormation .......................................... .. 314
Swi tching volume adjustment on/ off... .3 15
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion.. ...............................4 4 Air
distribut ion
Se tting. .................................................. 120
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents
Ad jus ting (front) ............ ........................ 122
Ad jus ting (rea r)............. .........................122
Ad jus ting theAIRSC ARFvents ............... 123
Air vents
see Airvents
Ai r-condi tioningsystem
see Climat econ trol
Air -recir cula tion mode..............................1 21
Air -water duct
Ke eping free... ....................................... 323
Airbag Activati on........... .....................................36
Fr ont airbag (driver ,fr ont passeng er)......42
Head airbag.. ...........................................4 2 Inde
x463

Con
venience opening ..................................8 0
Coolant (engine)
Capacit y.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 394
Ch eckleve l............................................ 322
No tes... .................................................3 93
Co oling
see Clima tecontr ol
Co pyrights
Licen se.................................................... 34
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 34
Co rnering light ...........................................1 11
Cr oss Traf fic Aler t..................................... 198
Cr osswind Assist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 153
Cr uise contr ol
Ac tivati ng........... ................................. ..158
Butt ons<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........158
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 158
Dea ctivating............ ..............................158
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>157
Re quiremen ts:.......................................1 58
Selecti ng........ ................................... .... 158
Se tting aspe <0048004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 158 St
or ing aspeed... .............................. ....1 58
Sy stem limit ations. ........................... ..... 157
Cus tomer Assist ance Center (CAC )........... 28
Cus tomer Relat ions Depar tment. .............. 28 D
Dashboa rd
see Cockpit
Data acquisition
Ve hicle. ............................................. ...... 29
Data impor t/expor t
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 236
Im por ting/e xporting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 236
Dat apr otection rights
Dat ast or ag e... ......................................... 32
Data storage
Dat apr otect ion rights ........................ ..... 32
Elect ronic contr oluni ts<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .29
Online services...... ..................................3 2
Ve hicle. ............................................. ...... 29
Dat e
Se ttin gth etime anddateaut omati‐
call y.... ................................................... 230 Da
ytim eru nning lampmode
see Daytime running lights
Da ytime running lights
Switc hingon/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 112
Deact ivat ing theala rm (ATA )<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 83
De ale rship
see Qualified speci alist wo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s.................. 25
Dec orativ efo il(cleaning instructions) .... 326
Def initions (tiresand loading ).. ................ 371
Des tinat ion
Ed iting intermed iatedes tinat ions.......... 247
Edi ting thepr ev ious destination s..........2 58
Ext ernal ....... .......................................... 258
Sa ving (current vehicle position)... ........ 257
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 258
St or ing amap position. .........................2 58
De stinat ionentr y
En tering a3 wo rdaddr ess..................... 248
Ent ering aPOI oraddress...... ................243
Ent ering anintermed iate des tination.... .247
Ent ering geo-coor dinates..... .................. 248 Inde
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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
x47
3

Ignit
ionkey
see Smar tKey
Imm obiliz er..................................................8 2
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing.. ............ .............................. 136
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 135
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 200,20 1
In stru men tDi spl ay
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 201
Ins trume ntclu ster ................................... 10
Wa rning/ indic ator lam ps.......................4 47
Ins trum ent Disp layand on-b oard
com puter
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 200
In te llig ent Light System
Ad aptiveHig hbeam Assis t............... .......1 11 Cor
nering light..... <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ........111
Int erior ligh ting
Ad jus ting ............. ...................................113
Ambi entlighti ng.......... <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .......113
Re adin glam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 113
Swi tch-of fdel aytim e..... ........... .............113
Int ermed iatedes tination
Calculat ingaro utewit hint ermed iate
des tinatio ns...........................................2 47
Ent ering ............. .................................... 247
Modifying.. ............................................. 247
St artin gan aut omat icga sst atio n
sear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 246
St artin gth eaut omatic service sta‐
tio nsear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 253
In te rn et connect ion
Comm unicationmodul efun ction ...... .....2 91
Con nection status.. .......................... .....2 92
Displ aying thecon nect ionstatus.. .... .... 292
In fo rm atio n...................................... ...... 291
Re strictions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ...............291
In te rn et radio
see TuneIn Io
nizatio n
Ac tivati ng/d eactiv ating (mu ltimed ia
sy stem).. ................................................ 121
iPhone ®
see Apple CarPla y®
see Mercedes- BenzLink J
Jac k
St or ag elocation. ................................... 377
Jum p-startconne ction
Gener alno tes.. ...................................... 342 K
KEYLESS- GO
Loc kingth eve hicle ..................................6 7
Pr oblem. .................................................. 68
Un loc kin gse tting.... ................................ 64
Un loc kin gth eve hicle.... .......................... 67
Kic kdow n
Using... ..................................................1 40
Kne eairbag....... ...........................................42 47
8
Inde x