2021 MERCEDES-BENZ S-CLASS CABRIOLET engine

Dr
ivin gsaf etysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p The
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 distance mayincr ease. Inaddi‐
tio n,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 pflashes The
yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
*O neormor ewh eelsha sre ac hed itsgrip limit (/page15 2). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s. 46
4
Dis playmes sagesand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E5 ESP ®
wa rning lam plight s
up The
yello wES P®
wa rning lam pis lit while theengine isrunning .
* ESP ®
is mal func tioning .
Ot her drivi ng 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 465

Ac
tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 165
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 165
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>165
Ac tiv eSte ering Assis t.............................1 67
Ac tivati ng/d eactiv ating ........... ............168
Ac tiveEmerg encyStop Assis t.............1 70
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 169
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>167
Sy stem limits ....................................... 167
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>110
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 111
Ad diti onalvalue rang e
Se tting displa ycont ent ........................ 205
Ad diti ves.................................................. 401
En gine oil............................................. 401
Fu el ..................................................... 401
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
Bur mes ter®
high-end Surround
soun dsy stem ................................. ..... 326
Bur mes ter®
sur round soun dsy stem ...325
Ad jus tingthe bass,mid- rang eand
tr eble
Bur mes ter®
high-end Surround
soun dsy stem ................................. ..... 325
Bur mes ter®
sur round soun dsy stem ...325
Ad jus tingthe mid- rang e,treble and
bass
Burmes ter®
high-end Surround
soun dsy stem ................................. ..... 325
Bur mes ter®
sur round soun dsy stem ...325
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...325
Ad jus tingthe sound optimi zation
Bur mes ter®
high-end Surround
soun dsy stem ................................. ..... 326 Ad
jus tingtreb le,mid- rang eand bass
se ttings
Bur mes ter®
high-end Surround
soun dsy stem ...................................... 325
Bur mes ter®
sur round soun dsy stem ...325
ADS PLUS dam ping system
see AIRMA TIC
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 2
Air distribut ion
Se tting (mult imediasystem) ................1 19
Air freshen ersystem
see Perfume atomiz er
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air suspension
see AIRMA TIC
Air vents ................................................... 122
Ad jus ting (front) ............ ...................... 122 Inde
x469

ASS
YSTPL US <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>327
Batt erydi sconne ctionpe riods .............3 28
Displ aying theser vice duedate........... 327
Fu nctio n/no tes ................................... 327
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 327
Spec ialser vice requ iremen ts.............. 327
ATA (anti-thef tala rm system) .................. 82
Deac tivatin gth ealar m.......................... 82
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 82
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 189, 191
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>189
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 191
Sy stem limit ations ...............................1 89
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivati ng med iamod e........... .............305
Co nnecti ngUSB devic es ........... .......... 307
Co pyrights ...........................................3 05
Inf ormatio n....... ................................... 303
Inser ting/r emoving anSD card....... ....305
Medi asea rch ....................................... 311
Ov ervie w ......... ................................. ... 307
Pa use and playbac kfun ction ...............3 08 Selecti
ngatrac k ....... .......................... 308
Selecti ngplayba ckoptions ............ ...... 308
Tr ac klis t.............................................. 308
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic activ atio n
Swi tching on/o ff<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 195
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ............ ..108
Au tomatic engine star t(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .......133
Au tomatic engine sto p(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .......133
Au tomatic fron tpass engerfr on tair‐
bag shutoff <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 43,44
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff......... ..... 43
PA SSENGER AIRBAGind icat orlam p.....4 4 Au
tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic lateral supp ortadjus tment
Se tting ............ .......................................88
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... .............117
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ......................136
Dr ive pr ogr am disp lay ............ ..............135
Dr ive pr ogr ams............ ........................ 135
DY NA MIC SELE CTswitc h.................... 135
Eng aging drive po sitio n............ ........... 138
Eng aging neu tral ............ ...................... 137
Eng aging park position ........................ 138
Eng aging reve rsege ar .........................1 37
Kic kdo wn ............................................. 139
Manual gearshif ting.............................1 38
St eer ing wheel paddle shifters ............ 138
Tr ans miss ionposit iondispla y.............. 136
Tr ans miss ionposit ions........................ 136 Inde
x47
1

Clim
atest yle
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>119
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 119
Coc kpit .........................................................6
Ov ervie w ......... ................................. .......6
Cof feecup symbol
see ATTENTION ASSIST
COMAND see Multimedia system
COMAND Touc h
Mana gingdevices ................................243
Comb inationswitc h................................ 108
Com pass ...................................................2 74
Com puter
see On-boar dcom puter
Conne ctionstatus
Displ aying ............................................ 301
Ov ervie w ........................................ ...... 301
Connectivit y
Swit ching transm ission oftheve hicle
position on/off.............................. ...... 240 Contact
s...................................................2 83
Ca lling up ....... ................................... ..284
Dele ting .......................................... ..... 285
Do wnlo ading (from mobi lephone) ......283
Im por ting .......................................... ..284
Im por ting (ove rview) ...................... .....2 84
Inf ormation ..................................... .....2 83
Maki ngacall ....................................... 285
Na me form at .......................................2 84
Op tions .......................................... ...... 285
St or ing ............................................. ... 285
Contr oller
Oper ating ............................................. 231
Con venience closing featur e....... ............. 80
Co nvenience opening................................ 80
Coolant (engine)
Capacit y.......................................... .... 403
Chec kleve l.......................................... 332
No tes .................................................. 403
Cop yrights
License .................................................. 32
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 32
Co rnering light .........................................1 10 Cr
oss Traf fic Aler t...................................1 89
Cr oss wind Ass ist
Fu nctio n/no tes ................................... 153
Cr uise contr ol.......................................... 158
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .......159
Callin gup aspee d...............................1 59
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 158
Re quiremen ts:.....................................1 59
Selecti ng....... ......................................159
Se tting aspe ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 159
St or ing aspeed ................................... 159
Swi tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 159
Swi tching on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 159
Sy stem limit ations ...............................1 58
Cup holde r
Re ar passe nger com partment .............1 02
Cus tomer Assist ance Center (CAC ).........2 7
Cus tomer Relat ions Depar tment .............2 7 D
Dash board
see Cockpit Inde
x47
5

Disp
laymes sages
00B2 ---mp h.....................................4 40
ç ---mp h.....................................4 39
003D 12VBatt erySee Oper ator's
Manual ................................................ 446
0059 12VBatt erySee Oper ator's
Manual .................................................4 14
: ActiveHea dlamps Inoperati ve .... 416
é ATTENTION ASSISTInoper ative.. 431
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........431
: Automatic HeadlampMode
Inoper ative..... ...................................... 415
0027 CheckBr ak eFluid Level.............4 30
0026 CheckBrak ePa ds See Oper a‐
to r's Manua l...... .................................. 431
00BD CheckCool antLevelSee Oper‐
at or's Manual .......................................4 21
00B3 CheckEn gin eOil AtNe xtRe fu‐
eli ng ...... ............................................... 451 00B3
CheckEngi neOilLe vel(A dd 1
qu art) .................................................. 452
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 415
0077 CheckTire s ................................ 449
00B2 CheckWa sher Fluid ...................4 20
0059 Convertible TopLo we ring ........... 413
0059 Convertible TopOper ation Pos‐
sible to37 mph.................................... 413
ÿ Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 421
0025 Current lyUn available See
Operat or'sMan ual...............................4 41
00E5 Currentl yUna vailable See
Opera tor's Manua l...... ........................ 442
Á Don't Forget Your Key.................4 12
00CC Drive More Slowly ............ .......... 433
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>...454 00B3
Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................453
00B3 EngineOilPr es su re Stop
Switc hOf fEngin e................................ 453
00B3 EngineOil Reduce OilLevel........ 452
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 08
006F Front LeftSeat Backres tNo t
Lo cked (exa mp le) ................................ 420
00B6 FuelLevelLo w ............................ 422
00B6 GasCap Loose ...........................4 22
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 442
00E5 Inoper ativeSee Oper ator's
Manua l..... ........................................... 443
007A Inoper ativeSee Oper ator's
Manua l..... ........................................... 444
0053 Inoper ative.... .............................4 46
: Intell.Ligh tSy stem Inoperativ e... 416 Inde
x47
7

Ser
vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 424
Shif tto 'P' or'N' toStartEn gin e.........4 24
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.................. 425
Ti re Press. Monit orCur rently
Un available .......................................... 448
Ti re Press. Monit orInopera tive ........... 448
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors .................................... 449
Ti re sOv erheat ed................................. 450
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.................................. 423
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3
secs. orpress 3times. ........................ 421
Tr af fic Sign AssistCamer aVi ew
Re strict ed See Operator's Manua l...... .438
Tr af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual................ 438 Tr
af fic Sign AssistInoper ative..... ........ 438
Tr ans miss ionMalfun ction Stop ........... 425
Displa yon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
Di stance recor der
see Trip dis tance
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Loc king (emerg ency key) ................ .......6 5
Loc king (from inside )..... .................... .... 63
Opening (from theinside) ............... .......6 2
Po we rclosi ngfunction ..........................6 5
Un loc kin g(emer gency key) ............ .......6 5
Un loc kin g(fr om theinside) ...................6 2
Door controlpan el.....................................1 4
Door controlpan el(rear passeng er
com partment) ............................................ 16
DO T,Tire Iden tificat ionNumbe r(TI N) ... 377 Dr
aw bar
see Tow- bar system
Dr inking anddriving ................................ 130
Dr ive Awa yAssis t.... ................................ 188
Dr ive Awa yAssis t
see Protect ion agains tcollision
Dr ive position
Inser ting..............................................1 38
Dr ive pr og ram dis pla y........... ..................135
Dr ive pr og rams
se eDY NA MIC SELE CT
Dr iver's seat
see Seat
Dr iving safetysy stem .............................1 50
ABS (Anti-loc kBr aking System) ........... 151
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 154
BA S(Br akeAssi stSystem) .................. 152
Cameras .............................................. 150
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................................................... 154
ESP ®
Cr oss wind Assi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 153
Ov ervie w ..............................................1 51
Ra dar and ultrasonic sensors.............. 150 480
Index

Re
sponsibili ty...................................... 150
ST EER CONTR OL............ ..................... 154
Dr ivin gsy stem
see 360°Camera
see ActiveBli nd Spo tAssi st
see ActiveDis tance AssistDIS TRONI C
see ActiveEmerg encyStop Assis t
see ActiveLa ne Chang eAssi st
see ActiveLa ne Keeping Assist
see ActivePa rking Assist
see ActiveSpe edLimi tAssi st
see ActiveSt eer ing Assis t
see AIRMA TIC
see ATTENTION ASSIST
see Blind SpotAssis t
see Cruise control
see Driving safetysy stem
see HOLD function
see Night View Assi st
see Parking AssistPA RK TRONI C
see Rear vie wcam era
see Traf fic Sign Assist
Dr ivin gtips
Dr ink ing and drivin g............................ 130
Gene raldr ivin gtips .............................1 30 No
teson breaking-in ane wvehicle ..... 128
Dr ow siness detection
see ATTENTION ASSIST
Dynamic handlingcontrolsystem
see ESP®
(Ele ctro nic Stabilit yPr og ram)
DY NA MIC SELECT .................................... 135
Con figur ing drive pr ogr am I... ......... ..... 136
Dis play ing engin edat a.................... .... 136
Dis play ing vehicle data.................. ...... 136
Dr ive pr ogr am disp lay ............. ............. 135
Dr ive pr ogr ams............. .......................135
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>135
Oper ating (DYN AMIC SELECTswitc h)
... ...................................................... ....1 35
Selecti ngthedr ive pr og ram ..... .......... .1 35
Sho wing operationfe edbac k......... ...... 136 E
E1 0 ............................................................ 400
Easy entryfe atur e
Fu nctio n/no tes .....................................9 4
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 95
Eas yex itfeatur e
Fu nctio n/no tes .....................................9 4 Se
tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 95
EBD (electr onicbrak efo rc edis tribu‐
tion)
Functio n/no tes ................................... 154
ECO display
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 134
Re settin g............................................. 209
ECO star t/s topfunc tion<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 133
Au tomatic engine star t........................ 133
Au tomatic engine stop .........................1 33
Me thod ofoper ation ............................1 33
Switc hingoff/on ................................. 134
Electr icpa rking brak e.............................1 46
Applying automatical ly..... ................... 146
App lying orreleasing manuall y............ 147
Emerg encybraki ng ............ ..................148
Re leasing automat ically.......................1 47
Electr onicStabil ityProg ram
see ESP®
(Electr onicStabilit yPr og ram)
Emer gency
Fir st-ai dkit (softsided) ....................... 345
Ov ervie wof thehelp functions.............. 18
Re flect ive saf etyve st <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 344
Re mo ving thewa rning triang le............ 345 In
de x 48
1