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

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00C6 Re cup erati ve Brak eSy stem
wa rning lam p(US Aonl y)
004D
Brak eswarning lam p(yel‐
lo w) (Canada only) *
The yello w00C6 warning lam p(US Aonl y)or theye llo w004D brak es warning lam p(Canada only)islit while the
engine isrunning . &
WARNIN GRisk ofan acci dent dueto abr ak esy stem malfunct ion
If th ebr ak esy stem ismalfunct ioning,braking charact eristic sma ybe impair ed. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Adjus tyo ur spee dand drive on car efull y,lea vingasuit able distance totheve hicle infront. #
Ifth emultifunc tiondispla ysho wsadispla ymes sage,obse rveit. #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 455

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0027 Br ak ewa rning lam p(US A
onl y)
004D Br ak esy stem warning lam p
(Canada only) *T
he redbr ak esy stem warning lam pis lit while theengine isrunning .
Po ssible causes:
R The brak efo rc eboos tingismalfunct ioningandthebr aking charact eristic sma ybe affect ed.
R The reisinsuf ficie ntbrak efluid inthebr ak efluid reser voir. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofacci dent andinjuryifbr ak efo rc eboos tingismalfunct ioning
If br ak efo rc eboos tingismalfunct ioning,increased brak epedal forc ema ybe neces saryfo rbr aking. Thebraking
ch aract eristic sma ybe impair ed.The brakin gdis tance canincrease ineme rgency braki ng situa tions. #
Stop inasaf elocation immediat ely.Do notcont inue driving. #
Consult aqu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofan acci dent dueto low brak efluid leve l
If th ebr ak efluid leve lis toolow, thebr aking effect and thebr aking charact eristic sma ybe impair ed. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do
no tcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Donotadd brak efluid. 456
Displaymes sagesand warning/ indic ator lam ps

Dr
ivin gsy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
L Wa rning lam pfo rdis tance
wa rning func tion *T
he reddis tan cewarning lam plight sup while theve hicle isin mo tion.
The distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oachingan obs tacle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedis tance.
Fu nctio nof ActiveBr ak eAssi st(/ pag e17 0).
ä
Suspe nsionwarning lam p
(y ello w) *T
he yello wAIRMA TICwarning lam pis lit.
The yello wDY NA MIC BODY CONTR OLwarning lam pis lit.
A malfun ction has occurredin AIRMA TIC.
A malfunc tionhasoccurredin theDY NA MIC BODY CONTR OL. #
Notethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 45
7

Dr
ivin gsaf etysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p *T
he yello wAB Swa rning lam pis lit while theengine isrunning .
ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
The wheels mayloc kdur ing braking.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distan cema yincr ease. Inaddi‐
tion, other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 00E5
ESP ®
wa rning lam p *
The yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
or
The yello wES P®
wa rning lam pis lit while theengine isrunning .
The yello wESP ®
wa rning lam pflashes whiletheve hicl eis in mo tion:
One ormor ewhee lshas reac hed itsgrip limit (/page15 2). 45
8
Dis play messa gesand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s.
Th eye llo wESP warning lam p®
islit while theengine isrunning.
ES P®
is malfunct ioning.
Ot her driving systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. #
Notethemessag eson themultifunc tiondispla y. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. 00BB
ESP ®
OFF warning lam p *
The yello wES P®
OFF warning lam pis lit while theengine isrunning .
ESP ®
is de acti vated.
Ot her driving systems anddriving safetysy stems mayalso beinoper ative. &
WARNIN GRisk ofskid ding whe ndr ivi ng with ESP ®
de acti vated
ESP ®
do es notact tostabiliz eth eve hicle. Theavailabilit yof fur ther driving safetysy stems isalso limited. #
Drive on car efull y. Dis
play messa gesand warning/ indic ator lam ps 459

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Deact ivat eESP ®
onl yfo ras long asthesituation requ ires.
If ES P®
can notbe act ivat ed, ESP®
is malfun ctionin g. #
Have ESP ®
ch eckedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Obser vetheno teson deactiv atingESP®
(/ page15 2). Ti
re pres sur emoni tor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p *The
yello wtirepr essur emon itor wa rning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one minu te and
th en remains lit.
or
The yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
Th eye llo wtirepr essur emonit orwa rning lam p(pr essur eloss/ma lfunction)flashes forappr oxima tely one
min uteand then remain slit:
The tirepr es su re monit orismalfu nctioning. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es. 460
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. The
yello wtirepr essur emonit oring system warning lam p(pr essur eloss/ma lfunction)islit:
The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly.
R The driving charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur eand thetir es. Displa
ymessag esand warning/ indic ator lam ps 46
1

0049
Turn On theIgnit iontoRelease
th ePa rking Brak e..................................4 21
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting ............... 409
00CC Vehicle Rising Please Wait............ 431
00CC Vehicle Rising ...............................4 31
0077 Warning Tire Malfunction. .............4 41
0077 Wheel Sensor(s) Missing .............. 440
0059 While statio nary,appl yth e
br ak es bef oreoper ating thesof tto p.... .404
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.......4 27
Ac tiveBli nd Spo tAssi stInoper ative..... .4 28
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Manua l...435
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual. .................. 436
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.......4 24
Ac tiveDis tance AssistInoper ative..... ... 424 Ac
tiveDis tance AssistNo wAv ailable.. ..424
Ac tiveLa ne Keeping AssistCamer a
Vi ew Restrict ed See Operator's Man‐
ua l... ...... ................................................ 428
Ac tiveLa ne Keeping AssistCur rentl y
Un available SeeOper ator' sMan ual...... 428
Ac tiveLa ne Keeping AssistInopera‐
tiv e... ..................................................... 428
Ac tivePa rking Assistand
PA RK TRONI CInoper ative See Opera‐
to r's Manua l......... ................................. 432
Ac tivePa rking AssistManeuv ering
Ass ista nce Restrict ed See Opera‐
to r's Manua l......... ................................. 431
Ac tiveSt eer ing Assis tCur rentl y
Un available DuetoMultiple Emer‐
ge ncy Stops... ........................................4 25
Ac tiveSt eer ing Assis tCur rentl y
Un available SeeOper ator' sMan ual...... 425
Ac tiveSt eer ing Assis tInoperativ e... ...... 425 Ad
aptiveHig hbeam Assis tCamer a
Vi ew Restrict ed See Operato r's Man‐
ua l... ...... ................................................ 408
Ad aptiveHig hbeam Assis tCur rently
Un available SeeOper ator' sMan ual...... 408
Ad aptiveHig hbeam Assis tIn oper ative.. 408
App lyBrak eto Shif tfr om 'P'<0011001100110011001100110011001100110011001100110011001100110011
00110011> 414
App lyBrak eto Shif tto 'R' ......................4 15
Au xiliary Batt eryMal functi on........ .........416
Begi nning Emergency Stop .................... 425
Blind SpotAssis tCur rentl yUna vaila‐
ble See Opera tor's Manua l..... ............... 427
Blind SpotAssis tInoper ative..... ............427
Chec kTire Pressur eSoon. .................... 443
Chec kTire Pressur eThen Restar t
Ru nFla tIndi cator....... <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...443
Cr uise Control Inoper ative.. .................. 423
Cr uise Control Off.. ...............................4 23
Decr easeSpeed ....................................442 47
2
Inde x

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