2021 MERCEDES-BENZ C-CLASS CABRIOLET ECO mode

Light
s Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisdef ectiv e. #
Drive on car efully . #
Visit aqu alif ied spec ialistwo rkshop immediat ely.
% LED lightsour ces: thedispla ymessag efo rth ecor responding lightappea rsonl ywhen allthelight- emitt ing
diodes inthelight arefa ulty .
: Malf unctionSee Oper a-
to r’s Man ual *T
heexterior lighting ismalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
: Automatic HeadlampMode
Inoperative *T
helight sensor ismalfunctionin g. #
Consult aqu alif ied spec ialistwo rkshop. 406
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ç Suspended *I
fyo udepr esstheaccelera torpeda lbe yond theAc tiveDis tance AssistDIS TRONI Cse tting ,th esy stem will switc h
to passiv emode (/page15 9).
ç
Off *A
ctiv eDis tan ceAssi stDIS TRONI Cwa sdeactiv ated. Ifawa rning tone also sou nds, ActiveDis tance Assist
DIS TRONI Cha sde acti vatedaut omatic ally(/ page16 2).
Active Distance AssistCur-
rently Unavailable See
Opera tor'sManu al *A
ctiveDis tan ceAssi stDIS TRONI Cis temp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits (/page15 9).
As soo nas theambient conditions arewit hin thesy stem limits, thesy stem will become available again. #
Drive on .
Ac tiveDis tan ceAssist Inop-
erat ive *A
ctiveDis tan ceAssi stDIS TRONI Cis ma lfunctio ning.
Ot he rdr ivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop.
Act ive Distance AssistNow
Availabl e *A
ctiveDis tan ceAssi stDIS TRONI Cis op erati ona lag ain. #
Swi tchon ActiveDis tance AssistDIS TRONI C(/ page 162). 42
4
Dis play 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

At
tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivati ng med iamod e................ .......... 296
Co nnecti ngUSB devic es........... ............297
Cop yright s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 296
Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 294
Inse rting/ remo ving anSD card............. 296
Med iasea rch.. .......................................3 01
Ov ervie w.. ......... ................................. ... 297
Pa use and playbac kfun ction .................2 98
Selecti ngatrac k............ .......................298
Selecti ngplayba ckoptions .................... 298
Tr ac klis t................................................ 298
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ................109
Au tomatic engine star t(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....132 Au
tomatic engine sto p(E CO star t/
sto pfunc tion)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> .....132
Au tomatic fron tpass engerfr on tair‐
bag shutoff
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff........... ..... 45
PA SSENGER AIRBAGind icat orlam p....... 47
Au tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating........... ..............119
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... .................... .... 136
Dr ive pr ogr am disp la<005C001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....135
Dr ive pr ogr am<0056001100110011001100110011001100110011001100110011001100110011
001100110011> ....................134
DY NA MIC SELE CTswitc h...................... 134
Eng aging drive po sitio n............ ............. 138
Eng aging neu tral ............. .......................137
Eng aging park position .................... ...... 138
Eng aging reve rsege ar. ...................... .... 137
Kic kdo wn..... ..........................................140
Manual gearshif ting.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 139 St
eer ing wheel paddle shifters.............. 139
Tr ans miss ionposit iondispla y................ 136
Tr ans miss ionposit ions.......................... 136
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) B
BA S(Br akeAssis tSy stem). ...................... 152
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 65
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle)
Ch <00440055004A004C0051004A0011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 344
Ch arging (Remo teOnline). ..................... 127
No tes... .................................................. 341
No tes(s ta rting assis tance and
ch argin g)............................................... 342
Re placing .............................................. 346
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........344
Bel t
see Seatbe lt Inde
x46
5

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
x469

Se
tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 97
EBD (electr onicbrak efo rc edis tribu‐
tion)
Functio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 154
ECO display
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>134
ECO star t/s topfunc tion
Au tomatic engine star t.......................... 132
Au tomatic engine stop..... .................. ....1 32
Me thod ofoper ation.. ............................1 32
Switc hingoff/on ................................... 133
Electr icpa rking brak e
Appl ying automat ically.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 147
App lying orreleasing manuall y.............. 148
Emerg encybraki ng............ ....................149
Re leasing automat ically.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 148
Electr onicStabil ityProg ram
see ESP®
(Electr onicStabilit yPr og ram)
Emer gency
Fir st-ai dkit (softsided)...... ...................3 34
Ov ervie wof thehelp functions........ ........ 18
Re flect ive saf etyve st<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 333
Re mo ving thewa rning triang le.............. 333
Se tting upthewa rning triang le............. 334 Emer
gency braking ................................... 149
Emer gency braking
see BAS(Br akeAssi stSystem)
Emer gency engine star t....... .................... 350
Emer gency key
Loc king adoor ................................... ..... 69
Un loc kin gadoor. .................................... 69
Emer gency oper ation mode
St artin gth eve hicle ........................... ....1 26
Emer gency release
Tr unk lid(from inside) ...................... ........ 71
Emer gency spar ewheel
No tes... ............................................. ....3 83
Emer gency Tensioning Devices
Ac tivati on........... .....................................36
ENE RGIZIN GCOMF ORT
Ov ervie wof programs ...........................2 40
St artin gth epr ogr am.... .........................2 41
Engine ECOstar t/ stop funct ion.................. ...... 132
Engi nenum ber......... ............. ................387
St artin g(eme rgency operation mode).. .126
St artin g(R emo teOnline).... ............... ....1 27 St
artin g(sta rt/s topbutt on).................. 125
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........344
Swi tching off(s ta rt/s topbutt on).......... 143
Engine data
Dis playing .............................................. 136
Engine number.......................................... 387
Engine oil
Ad ditiv es...............................................3 92
Ca paci ty....... ......................................... 392
Che cking theoil leve lusing theoil
dips tick.... ..............................................3 19
Chec kingth eoil leve lusing theon-
boar dcom puter.. ................................... 320
MB- Freig abe orMB- Appr oval.. ...............3 92
Qua lity.......... ......................................... 392
To pping up............................................. 321
Ent ering charact ers
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 227
On theto uc hpad.. .................................2 29
ESC (Elec troni cSt abil ityContr ol)
see ESP®
(Electr onicStabilit yPr og ram)
ESP ®
Cr osswi ndAssis t...................................1 53 Inde
x47
5

G
Gar agedoor opene r
Cle aring thememor y.... .........................1 47
Opening orclosing thedoor.. ................1 47
Pr ogr amming buttons. ........................... 145
Re sol ving problems ...............................1 46
Sync hronizing thero lling code.. .............1 46
Gas station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 246
Swi tching theaut omatic searchon/
of f..................................................... ....2 52
Using automatic search<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 252
Gaso line<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 390
Gea rshif tre comm endation......................1 39
Genui nepar ts....... ....................................... 21
Glide mode...... ........................................... 140 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)........ .354
Hazar dwa rning light s...............................1 10 Hazar
doussubstances
Inf ormation .......................................... .... 24
Head airbag .................................................4 2
Head leve lheat ing(AIRSC ARF).................. 93
Head restra int
Fr ont (adjus tingmechanicall y)................ 88
Re ar (installin g/remo ving).......................8 9
Head-up Display
Ad jus ting disp lay el eme nts(on-bo ard
com puter)....... ................................... ... 204
Ad jus ting thebr ightn ess(on-boar d
com puter).. ....................................... ....2 04
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>203
Menu (on-bo ardcom puter)....... .......... .. 204
Oper ating thememor yfunc tion.............. 98
Se tting theposition (on-boar dcom‐
put er)....................................................2 04
Switc hingon/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 205
Head lamps
see Automatic driving lights
Headlin er(car e)..... ....................................3 30
Heatin g
see Clima tecontr ol Hel
pcal l
see Mercede s-Benz emergency callsy stem
High beam
Ac tivati ng/d eactiv ating........... ..............109
High-be amflasher .....................................109
High-be amheadlam ps
Ad aptiveHig hbeam Assis t......................1 11
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 155
HOLD functio n
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 154
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 155
Hood Opening/clo sing.................................... 317
Ho tspo t
Se tting up(Wi-Fi)......... ..........................2 33 I
Iden tificati onplat e
Engine ...................................................387
Re frig er ant....... .....................................3 94
Ve hicle. .................................................3 87
Ignit ion
Swit ching on(Start/S topbutt on).......... 124 Inde
x47
7

Inf
ormation .......................................... ..301
Ov ervie w... .......................................... .. 302
Media mode
Ac tivati ng........... ................................. ..296
Me dia search
St artin g... .......................................... .... 301
Med icalaids.................................................2 7
Memor yfunctio n
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 97
Hea d-up Display — Ca lling upstor ed
se ttings.... ............................................... 98
Head-up Display— St or ing settings.. .......9 8
Oper ating... ............................................. 98
Outside mirrors —Ca lling up stor ed
se ttings.... ............................................... 98
Outside mirrors —St or ing settings ..........9 8
Sea t— Ca lling upstor ed settings.. ..........9 8
Sea t— St or ing settings ............................9 8
St eer ing wheel —Calling upsave d
se ttin gs...... ............................................. 98
St eer ing wheel —Sa ving settings. ........... 98
Menu (on-boar dcom puter)
Head-up Display.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 204
Ov ervie <005A001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 202Mer
cedes mecalls
Ar rangi ng aser vice appo intme nt.......... 285
Ca lling theMer cedes- BenzCustomer
Cent er...... ............................................. 284
Ca lling theMer cedes- BenzCustomer
Cent erafte rau tomatic accide ntor
br eakdo wndete<00460057004C0052005100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 285
Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ................284
Ma king acal lvia theove rhead con‐
tr ol panel.. ....................................... ...... 283
Tr ans ferred dat a.............................. ...... 286
Mer cedes meconnect
Ac cid ent and Brea kdo wnManag e‐
ment <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 287
Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ................287
Tr ans ferred dat a.............................. ...... 288
Mer cedes- AMGvehicl es
No tes... ............................................. ..... 124
Mer cede s-Benz Apps
Ca lling up. ...... .................................... ... 292
Using withvo ice con trol.. ................ ...... 292
Mer cedes-B enzemer gency callsystem
Au tomatic emerg encycall............... ......2 89
Inf ormatio n............ ............................ ....288 Inf
ormatio non dat atransf er....... ..........290
Manu alemer gency call.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 289
Ov ervie <005A001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 288
Mer cedes -Ben zLi nk
Co nnecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 279
Endi ng............ .......................................279
Ov ervie w.. ............................................. 278
Using... ..................................................2 79
Mess age(multifun ctiondispla y)
see Displ aymessa ge
Messag ememor y......................................398
Messag es
Vo ice com mand s(V oice ControlSy s‐
te m)....... ................................................ 216
Messag es
see Text mes sage s
Mir rors
see Exterior mir rors
Mobi lephone
see Andr oidAuto
see Apple CarPla y®
see Mercedes-Benz Link
see Second telephon e In
de x 48
1