2020 MERCEDES-BENZ C-CLASS CABRIOLET Owner's Manual

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Ensur e,bo th bef oreand during thejour ney,that thest atus ofthefront passeng erairbag iscor rect.
NEVER useare ar wa rdfacing child restra int onaseat protect edbyan ACTIVE AIRBAGinfront ofit,DE ATHor
SERIOU SINJU RYtotheCH ILD can occur . #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Checkth est atus oftheaut omatic front passeng erairbag actuation (/page46). #
Ifneces sary,consu ltaqu alif ied spec ialistwo rkshop immediat ely.
Active BrakeAssi stFunc-
tio ns Curre ntly LimitedSee
Ope rator' sMa nua l *
Ve hicl eswith theDr iving Assistance Packag e:Ac tiveBr ak eAssi stwit hcr oss- traf fic functi on,Evasi ve Steer ing
Assis tor PRE‑S AFE®
PL US arete mp orarily una vailable oronl ypar tiall yav ailable.
Ve hicl eswithout theDr iving Assistance Packag e:Ac tiveBr ak eAssi stistemp orarily una vailable oronl ypar tiall y
av ailable.
The ambie ntcon dition sar eout side thesy stem limits (/page16 6). #
Drive on.
As soo nas theambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra ffic con dition sand restar t
th eengine.
Act ive Brak eAssist Func-
tion sLimited SeeOpera-
tor' sManual *
Ve hicl eswith Drivin gAss istanc ePa ckag e:Ac tiveBr ak eAssi stwit hcr oss- traf fic functi on,Evasi ve Steer ing
Assis tor PRE‑S AFE®
PL US ismalfunct ioning.
Ve hicl eswithout Drivin gAss istanc ePa ckag e:Ac tiveBr ak eAssi stismalfun ctionin g. Disp
lay mess ages and warning/ indic ator lam ps 44
7

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
If th edispla ymessag edoes notdisappear : #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. #
Clea nallsenso rs(/ pag e362) . #
Restar tth eengine. Dr
iving systems Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
é ATTE NTION ASSISTInoper-
ative *A
TTENTION ASSISTis malfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
é ATTENTION ASSIST: Take a
Break! *A
TTENTION ASSISThas detected fatig ue oran incr easing lack ofconc entration onthepar tof thedr iver
(/ page208). #
Ifneces sary,take abr eak . Dis
playmes sagesand warning/ indic ator lam ps 44
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Parking Assistand
PARKTRONIC Inoperative
See Operator' sManual *A
ctivePa rking Assistand Parking AssistPA RK TRONI Caremalf unction ing . #
Stop theve hicle inaccor dance withth etra ffic con dition sand restar tth eengine. #
Ifth edispla ymessag econ tinues tobe displa yed, con sult aqu alif ied spec ialistwo rkshop.
¢ Lowering *T
hevehicle leve lma ybe lowe redfo rth efo llo wing reason s:
R Youha ve select edadif fere nt drive pr ogr am.
R Youha ve exceed edthespeed limit.
R Youha ve chang edtheve hicle leve lby pressing thebutt on.
00CC Vehicle Rising *Y
our vehicle isadjus tingtotheleve lyo uha ve select ed.
00CC Vehicle RisingPlease Wait *T
hevehicle leve lis toolow. The vehicle israised totheselect edvehicle leve l. #
Waitunt ilth edispla ymessag edisappear sbef orepulling away. 450
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00CC St op Vehicle Vehicle Too
Low *Y
ouhave pulled away despit eth eve hicle leve lbeing toolow. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
The vehicle israised totheselect edvehicle leve l. #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
If th edispla ymessag edoes notdisappear andawa rning tone also sou nds, AIRMATIC isma lfunctio ning: #
Donotdr ive at spe edsgr ea terth an 50 mph(80 km/h) andconsult aqu alif ied spec ialistwo rkshop immediat ely.
* NO
TEThe tires ofthefront axle orthefront fende rscou ldbe damag edbylarge steer ing movements #
Avoid larg esteer ing movements whiledr iving andlistenfo rscr aping sounds . #
Ifyo uhear scraping sounds, pulloverand stop theve hicle safely,pa ying attention toroad and traf fic con‐
di tions ,and seta hig her vehicle leve lif possible . #
Seta higher vehicle leve l(/ page19 0).
Dependi ngon themalfunct ion,theve hicle israised.
ä Malfun ction Drive atMax.
50 mph *A
IRMA TICisfunctioning onlytoalimit edextent. The vehicle's handling charact eristic sma ybe affect ed.
* NO
TEThe tires ofthefront axle orthefront fende rscou ldbe damag edbylarge steer ing movements #
Avoid larg esteer ing movements whiledr iving andlistenfo rscr aping sounds . Displa
ymessa gesand warning/ indic ator lam ps 45
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Ifyo uhear scraping sounds, pulloverand stop theve hicle safely,pa ying attention toroad and traf fic con‐
di tions ,and seta hig her vehicle leve lif possible . #
Drive in amann erappr opriatefo rth ecur rent leve l,but donotex ceed 50mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop.
*D YNAMI CBO DY CONT ROLis malfu nctioning. Thevehicle's handling charact eristic sma ybe affect ed. #
Donotdr ive at spe eds grea terth an 50 mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop.
Drive MoreSlowly *Y
ouaredr iving toofast forth eselect edvehicle leve l. #
Toadjus tth eve hicle leve l,yo umus tno tdr ive at spee dsgrea terth an 37 mph(60 km/h).
Act ive Steerin gAssist Cur-
rently Unavailabl eSee
Operator's Manual *A
ctiv eSt eer ing Assis tis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page18 0). #
Drive on.
As soon astheambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Ifnec essar y,cle an thewindshield inthecamer a'sfield ofvision. #
Chec kth etir epr essur eif neces sary.
Active SteeringAssistInop -
era tive *A
ctiveSt eer ing Assis tis malfunct ioning.ActiveDis tance AssistDIS TRONI Cremains available. #
Con sult aqu alif ied spec ialistwo rkshop. 452
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Ø *A
ctiveSt eer ing Assis thas reac hed thesy stem limits (/page18 0).
Yo uha ve notst eer edindependen tly fo ra consider ableper iod oftime. #
Take ove rth esteer ing and drive on inaccor dance withth etraf fic condi tions.
Begi nning Emerg encyStop *Y
our hands areno ton thesteer ing wheel. Emergency stop isinitiat ed(/ page18 4). #
Put your han dsbac kon thesteer ing wheel.
Yo ucan cancelthedeceler ationatanytime byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oraccelera ting
R Pressing ast eer ing wheel button
R Oper ating Touc hCon trol
R Deact ivatin gAc tiveDis tance AssistDIS TRONI C
Activ eLa ne Kee ping Assi st
Cu rre ntly Unavailab leSee
Op era tor' sMa nua l *A
ctiv eLane Keeping Assistis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page21 5).
Ve hicl eswith Activ eSte ering Assis t:The camer avie wma ybe limit edbythewindshield. #
Drive on.
As soon astheambient conditions arewit hin thesy stem limits, thesy stem will become available again.
Ve hicl eswith Activ eSte ering Assis t:Ifth edispla ymessag edoes notdisappear : Displa
ymessag esand warning/ indic ator lam ps 453

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. #
Clea nth ewindshield.
Act ive Lane Keeping Assist
Inoper ative *A
ctiveLane Keeping Assistis malfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
Act ive Lane Keeping Assist
Camera ViewRestricted
See Operator's Manual *
Ve hicl eswithout Activ eSte ering Assis t:thecamer avie wisrestrict ed.
Po ssible causes are:
R Dirton thewindshield inthecamer a'sfield ofvision
R Hea vyrain, sno wor fog
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.
If th edispla ymessag edoes notdisappear : #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. #
Clea nth ewindshield.
Blind SpotAssist Current ly
Unavailable SeeOperator 's
Manual *B
lind SpotAss istis temp orarily una vailable.
The system limits have been reac hed (/page21 2). #
Drive on.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. 45
4
Dis playmes sagesand warning/ indic ator lam ps