2021 MERCEDES-BENZ C-CLASS CABRIOLET warning

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
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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

L
Labelin g(tir es)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
Languag e
No tes... ............................................. ....2 35
Se <00570057004C0051004A00110011001100110011001100110011001100110011
00110011> ......................................235
LA TC H-type (ISOFI X)child seat
anc hor
Ins talling. .................................................5 6
Le velcontr olsystem
see AIRMA TIC
Light switch
Ov ervie w........................................... .... 108 Light
ing
see Inte rior lighting
see Lights
Lights AdaptiveHig hbeam Assis t............... .......1 11
Au tomatic driving lights.... .....................1 09
Comb inationswi tch......... ..................... .109
Cor nering light. ....... ............................ ...111
Haza rdwa rning light s...................... ...... 110
High beam... ............ ..............................109
High -beamflasher .................................1 09
Ligh tswi tch.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 108
Lo w-beam headlam ps...................... .....1 08
Pa rking light s.................................... .....1 08
Re ar foglam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 108
Re sponsibili tyforlig hting systems ........ 108
Se tting theex terior lighting switch-
of fdela ytime .................................... ..... 112
Se tting thesur round lighting........... .......1 12
St andi nglight s................................. .....1 08
Tu rn signal light..................................... 109
Limit edWa rranty
Ve hicle. ............................................. ...... 29
Liv eTr af fic Inf orma tion
Dis playing subsc ript ion informatio n...... 259 Displ
aying thetra ffic map .....................2 59
Displ aying traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 260
Ext endi ngasu bscr iption <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 259
Issu inghazar daler ts........ <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 261
Lo ad inde x(ti res)...................................... 369
Load-bear ingcapacity (tires)... ................3 69
Lo ading
Ca rgotie-do wnri<0051004A00560011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ....103
Def initio ns............ ................................. 371
No tes... ....................................................9 8
Load ingguid elines ...................................... 98
Load inginforma tion table ........................ 362
Load s
Sec uring. .................................................9 8
Locat orlight ing
see Surround lighting
Loc king anextern al de vic e(c hild
saf etyloc k).. .............................................. 235
Loc king/unl ocking
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e............................... 68
Em erge ncy key.. ...................................... 69
KE YLE SS-GO. ...........................................6 7 Inde
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9

see
Pets intheve hicle
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Oil see Engine oil
On-boar dcom puter
Displa yingtheser vice duedate............. 316
Hea d-up Display menu... ............ ........... 204
Mul tifunction displa y.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 203
Ope rating ........... ........... ........................202
Ov ervie wof menu s................. ...............202
On -bo arddia gnostic sin te rface
see Diag nostics connection
Onl ine services
Dat ast or ag e... ......................................... 32
Open-sour cesof tware................................3 4
Oper ating fluids
Ad ditiv es(fuel). ................................ ...... 391
Br ak efluid .............................................3 93
Coo lant (engi ne)..... ...............................393 Engine
oil....... ....................................... 392
Fu el(gasoline) ................................. ...... 390
No tes... ............................................. ....3 89
Re frig er ant (airconditio ningsystem).. ...394
Wi ndsh ield wa sher fluid .................... .....3 94
Oper ating safety
Decl arati on ofconf ormity (wirel ess
ve hicle component s)... ..................... .......2 5
Inf ormation .......................................... .... 24
Oper ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ........................... ........ 22
Oper ator's Manual (digital)........................ 20
Op timized acceleratio n
Ac tivati ng........... ................................. ..128
Ov erhead controlpanel
Ov ervie w... ....................................... .......1 4 P
Pa int code.. ................................................ 387
Pa intw ork(cleaning instructions) ...........3 25 Pa
nic alar m
Ac tivati ng/d eactiv ating........... ................64
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> ..............138
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 138
Pa rked Vehicl eLoc ator
Switc hingtransmis sionon/of f.............. 231
Pa rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C
Ac tivati ng........... ...................................193
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 193
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 190
Sid eim pact protect ion... ....................... 191
Swi tching off.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 193
Sy stem limit ations. ................................ 190
Pa rking assis tance systems
see ActivePa rking Assist
Pa rking brak e
see Elec tric par kingbr ak e
Pa rking foran extended period.... ............ 149 Inde
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