2020 MERCEDES-BENZ C-CLASS CABRIOLET service

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Re cogni tionofare stra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen theignition isswitc hedon.
R The 0075 restra int system warning lam plight sup con tinuousl yor repeat edlydur ing ajour ney. #
Con sult aqu alif ied spec ialistwo rkshop immediat ely.
0075
Left Side Curta inAirbag
Malfu nction Service
Req uired(Ex am ple) *T
hecor responding headbagis malfunctioning (/page35). &
WARNIN GRisk ofinju ryor deat hdue tomalfu nctions inthehead airbag
If th ehead airbag ismalfunct ioning,itmight betrigg ered unint entionally ormight notbe trigg ered atall inthe
eve ntofan acci dent with ahigh rate ofvehicle deceler ation. #
Have thehead airbag checkedand repair edimmediat elyat aqu alif ied spec ialistwo rkshop. #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
Front Passeng erAirb agDis-
ab led See Operator 'sMan-
ua l *T
hefront passeng erairbag andthefront passeng erknee airbag have been disabled although anadult oraper son
wit han adult statur eis on thefront passeng erseat. Ifadditional forc es areapplied totheseat, thewe ight the
sy stem detects maybe toolow. &
WARNIN GRisk ofinju ryor fata linj urydue toadisable dfron tpasse nger airbag
If th efront passeng erairbag isdisabled, thefront passeng erairbag willnotbe deplo yedin theev ent ofan acci‐
dent andcann otper form itsintended protect ive func tion. Displa
ymessag esand warning/ indic ator lam ps 44
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqu alif ied spec ialistwo rkshop.
PRE-SA FEInoperative See
Operator's Manual *
The PRE‑S AFE®
functions aremalfunctioning. #
Consult aqu alif ied spec ialistwo rkshop.
Mercedes meconn ect
Services LimitedSeeOper-
ator's Manual *S
ervice limited.
At leas tone ofthemain functionsof theMer cedes meconnect system ismalfunct ioning. #
Obser vetheno teson thediagnos ticsconnect ion(/ page26). #
Consult aqu alif ied spec ialistwo rkshop.
0053 Inoperative *A
tle as tone ofthemain functionsof theMer cedes meconnect system oroftheSOS emer gency callsy stem is
malfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
Rada rSensors DirtySee
Operator's Manual *T
heradar sensor system ismalfunct ioning.Possible causes:
R Dirton thesensor s
R Hea vyrain or sno w
R Extende dcou ntrydr ivi ng without other traf fic, e.g. inthedeser t
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,th edr iving systems anddriving safetysy stems willbeavailable
ag ain. 44
8
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
N Permanen tlyAct ive Risk
of Rolling Away *
While theve hicle isrolling orwhile youar edr ivin g,ne utral 005Chas been engage d. #
Tostop, depr essthebr ak epedal. #
Shif tth etra nsmiss iontopar kposition 005Dwhile theve hicle isstatio nary. #
Tocontinu edr ivi ng, select transm ission position 005B or005E.
Servi ceRequire dDo Not
Shif tGe ars VisitDeal er *T
hetransmission ismalfunctionin g.The transmission positioncannolong erbe chang ed. #
When transm issionposit ion005Bisselec ted, con sult aqu alif ied spec ialistwo rkshop anddonotch ang eth etra ns‐
mission position. #
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. #
Pullove rand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s. #
Depr essthebr ak epedal. #
Engage par kposition 005D. #
Consult aqu alif ied spec ialistwo rkshop. 468
Displa ymessag esand warning/ indic ator lam ps

Sy
stem limit ations ...............................2 02
Ac tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 178
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 178
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>178
Ac tiv eSte ering Assis t.............................1 80
Ac tivati ng/d eactiv ating ........... ............182
Ac tiveEmerg encyStop Assis t.............1 84
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 182
Dis play sin theIns trument Display...... 185
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>180
Sy stem limit ations ...............................1 80
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>117
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 118
Ad diti onalvalue rang e
Se tting displa ycont ent ........................ 223
Ad diti ves.................................................. 426
En gine oil............................................ 426
Fu el ..................................................... 426 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 46
Bur mes ter®
sur round soun dsy stem ...345
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...345
Ad jus tingtreb le,mid- rang eand bass
se ttings
Ad vanced soundsystem ......................3 45
Bur mes ter®
sur round soun dsy stem ...345
ADS PLUS dam ping system
see AIRMA TIC
Ad vanced sound system
Ac tivati ng/d eactiv ating automatic
vo lume adjustment .............................. 346
Ad jus ting thebalance/f ader............ ... 346
Ad jus ting treb le,mid -rang eand bass
se tting s............. ..................................345 Ca
lling upthesound menu .................. 345
Inf ormation .......................................... 345
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 4
Air cond itioning system
see Climat econ trol
Air distribut ion
Se tting .................................................1 27
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents ................................................... 129
Ad jus ting (front) ............ ...................... 129
Ad jus ting (rea r) ............ ........................ 129
Ad jus ting theAIRSC ARFvents ............. 130
Air vents
see Airvents
Ai r-re cir cula tion mode............................ 128 Inde
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Online
services ...................................... 30
Ve hicle ............................................. ..... 29
Dat e
Se ttin gth etime anddateaut omati‐
call y..................................................... 258
Da ytim eru nning lampmode
see Daytime running lights
Da ytime running lights ............................1 18
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 118
Deact ivat ing theala rm (ATA ).................... 88
Dealer ship
see Qualif iedspec ialistwo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s................2 6
Decor ative fo il(cleaning instructions)
.. .............. ...................................................3 58
De finitions (tiresand loading) ............... 406
Designs Menu (on-boar dcom puter) .................. 222
Des tinat ion............... ...............................2 87
Edi ting intermed iate des tinations ........ 276
Edi ting thepr ev ious destination s.... .....2 87 Ext
ernal ............. ..................................287
Sa vin g(cu rrent vehicle position) ......... 287
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 287
St or ing amap position ........................ 287
Des tinat ionentr y.................................... 272
Ent ering 3wo rdaddr esse s.................. 277
Ent ering aPOI oraddress ............. .......272
Ent ering anintermed iate des tination ...2 76
Ent ering geo-coor dinates..................... 277
Sel ecting acont act<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 277
Sel ecting aPOI <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 275
Sel ecting from themap ....................... 278
Sel ecting prev ious destination s...... .....2 74
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 6
Digita lOp erator' sMa nua l........................ 20
Digita lsp eedo meter ............ ............. ......225
Di ng hy towing
see Tow- bar system
DIRECT SELECT leve r............ ...................145
Eng aging drive po sitio n............. .......... 146
Eng aging neu tral ............. .....................146 Eng
aging park position ........................ 146
Eng aging park position automatic ally .. 146
Eng aging reve rsege ar .........................1 46
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>145
Disp lay
Car e.................................................... 364
Disp lay(m ult imedi asy stem)
Se ttings ...............................................2 57
Disp lay(on- boardcom puter)
Dis play son themultifunc tiondispla y.. 223
Displa ycont ent
Se tting theadditional value rang e ....... 223
Di spl aymes sage........... ..........................433
Ca lling up(on-bo ardcom puter) ..... ......4 33
No tes .................................................. 433
Displa ymessag es
00B2 ---mp h.....................................4 58
ç ---mp h...................................... 457
003D 12VBatt erySee Oper ator's
Manual ................................................ 460
0059 12VBatt erySee Oper ator's
Manual .................................................4 81 508
Index

003D
48VBatt erySee Oper ator's
Manu al....... ......................................... 462
0049 ActiveHea dlamps Inoperati ve .... 483
é ATTENTION ASSISTInoper ative
... ..........................................................4 49
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........449
0049 Automatic HeadlampMode
Inoper ative..... ..................................... 482
0027 CheckBr ak eFlui dLe vel.............4 43
00BD CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 459
00B3 CheckEn gine OilAtNe xtRe fu‐
eli ng ...... .............................................. 464
00B3 CheckEngi neOilLe vel(A dd 1
qu art) .................................................. 464
0049 CheckLef tLo wBeam (Exam‐
ple) ...................................................... 482
0077 CheckTire s ................................ 472
00B2 CheckWa sher Fluid .................... 479 0059
Convertible TopLo we ring ........... 480
0059 Convertible TopOper ation Pos‐
sible to37 mph................................... 480
00AC Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ............. ........... 459
0025 Current lyUn available See
Operat or'sMan ual...............................4 34
00E5 Current lyUn available See
Operat or'sMan ual...............................4 35
Á Don't Forget Your Key.................4 76
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...466
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ............. .....465
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 466
00B3 EngineOil Reduce OilLevel........ 465
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 44 006F
Front LeftSeat Backres tNo t
Lo cked (Exam ple) ................................ 479
00B6 FuelLevelLo w ............................ 463
00B6 GasCap Loose ...........................4 63
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 435
00E5 Inoper ativeSee Oper ator's
Manu al....... ......................................... 436
007A Inoper ativeSee Oper ator's
Manu al....... ......................................... 437
0053 Inoper ative....... .......................... 448
0049 Intell. Light System Inoperativ e
... ..........................................................4 83
Á KeyNo tDe tected (red displ ay
messa ge).............................................4 75
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)...................................... 475
0075 LeftSide Curtain Air bag Mal‐
func tion Service Required (Exam ple) ...4 45
¢ Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ............450 Inde
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ä
Malfunction Drive at Max. 50
mp h..................................................... 451
0049 Malfunction SeeOper ator ’s
Manual ................................................ 482
Á ObtainaNe wKe y.......................4 74
ç Off..............................................4 57
00D9 Off............... ...............................4 56
0059 Open/C loseConvertible Top
Com pletely <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 481
0049 Parking Brak eSee Opera tor's
Manua l..... ................ ........................... 440
0077 Please Correct Tire Pressur e...... 472
0049 Please Release Parking Brak e.... 439
00D9 Please WaitChar ging 48VBat ‐
te ry … <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 463
006F Rear Lef tBac kres tNo t
La tched (Exam ple) ...............................4 79
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 474
003D SeeOperator's Manua l...... .........461 0075
SRSMalfunction Service
Re quired .............................................. 444
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 477
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ....4 77
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ..462
003D Stop Vehicle SeeOper ator's
Manual .................................................4 61
00CC Stop Vehicle Vehicle TooLo w ..... 451
ç Suspended ................................. 457
0049 SwitchOf fLights ........................ 483
0049 SwitchOn Headlam ps................4 83
0058 Trunk Partition Open .................. 481
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 438
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............. 476 00CC
Vehicle Rising Please Wait.......... 450
00CC Vehicle Rising ............................. 450
0077 Warning Tire Malfunction ............ 473
0077 Wheel Sensor(s) Missing ............ 471
0059 While statio nary,appl yth e
br ak es bef oreoper ating thesof tto p.
.. ...........................................................4 80
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.....4 55
Ac tiveBli nd Spo tAssi stInoper ative.... 455
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Man‐
ua l...... ................................................. 447
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual .................. 447
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.....4 57
Ac tiveDis tance AssistInoper ative.... .. 457
Ac tiveDis tance AssistNo wAv ailable
.. ...........................................................4 58 51
0
Inde x

Ac
tiveLa ne Keeping AssistCamer a
Vi ew Restrict ed See Operator's Man‐
ua l..... ..................... ............................. 454
Ac tiveLa ne Keeping AssistCur rentl y
Un available SeeOper ator' sMan ual.....4 53
Ac tiveLa ne Keeping AssistInopera‐
tiv e ...................................................... 454
Ac tivePa rking Assistand
PA RK TRONI CInoper ative See Opera‐
to r's Manua l...... .................................. 450
Ac tiveSt eer ing Assis tCur rentl y
Un available SeeOper ator' sMan ual.....4 52
Ac tiveSt eer ing Assis tInoperativ e.......4 52
Ad aptiveHig hbeam Assis tCamer a
Vi ew Restrict ed See Operator's Man‐
ua l..... .......... ........... ............................. 484
Ad aptiveHig hbeam Assis tCur rently
Un available SeeOper ator' sMan ual.....4 84
Ad aptiveHig hbeam Assis tIn oper a‐
tiv e ...................................................... 484 App
lyBrak eto Shif tfr om 'P' ............... 467
Apply Brak eto Shif tto 'R' ................... 467
Au xiliary Batt eryMal functi on.............. 469
Begi nning Emergency Stop .................. 453
Blind SpotAssis tCur rentl yUna vaila‐
ble See Opera tor's Manua l...... ............ 454
Blind SpotAssis tInoper ative...... .........455
Ca nno tSt artEn gin eSee Operat or's
Man ual................................................ 462
Chec kBr ak ePa ds See Oper ator's
Manual ................................................ 443
Chec kTire Pressur eSoon ...................4 69
Che ckTire Pressur eThen Restar t
Ru nFla tIndi cator <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .......470
Cr uise Control Inoper ative.................. 458
Cr uise Control Off...............................4 58
Decr easeSpeed .................................. 473
Dr ive More Slowly ............ ...................452
Dr iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away ... 467 Engine
CanNo wBe Started ................ 462
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual .............................. 445
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual .............................. 446
Haza rdWa rning Flashe rsMalfunc‐
tioning .................................................4 84
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual .................4 48
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 468
Only Shiftto 'P' when Vehicle isSta‐
tio nar y.................................................4 67
Place theKe yin theMar kedSpace
See Oper ator's Manual ........................ 475
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l..... ................................... 448
Ra dar SensorsDir tySee Oper ator's
Manual ................................................ 448 Inde
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