sensor MERCEDES-BENZ S-CLASS COUPE 2021 Owner's Guide

Light
s Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisfaulty . #
Drive on car efull y. #
Con sult 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. Displa
ymessag esand warning/ indic ator lam ps 41
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Blind SpotAssist Current ly
Unavailable SeeOperator' s
Manual *B
lind SpotAss istis temp orarily una vailable.
The system limits have been reac hed (/page19 9). #
Drive on.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra ffic con dition sand restar t
th eengine. #
Ifneces sary,cle an there ar bum per.If th ebum perisespeciall ydir ty,th esensor sin thebum permaybe mal‐
func tioning.
Blind SpotAssist Inopera-
tive *B
lind SpotAss istis malfun ctionin g. #
Consult aqu alif ied spec ialistwo rkshop.
Act ive Blind SpotAssist
Currently UnavailableSee
Operator's Manual *A
ctiv eBli nd Spo tAssi stistemp orarily una vailable.
The system limits have been reac hed (/page19 9). #
Drive on.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again.
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra ffic con dition sand restar t
th eengine. Displa
ymessag esand warning/ indic ator lam ps 435

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Brake Assist Func-
tions Limited SeeOpera-
tor's Manual *
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. #
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.
If th edispla ymessag edoes notdisappear : #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Clean allsen sors(/ page34 1). #
Restar tth eengine. Displa
ymessag esand warning/ indic ator lam ps 44
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
003D St op Vehicle LeaveEngine
Running *T
he12 Vbatt erych arge leve lis toolow. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away. #
Ifth edisp laymess agedoes notdisa ppear: consult aqu alif ied spec ialistwo rkshop. Ti
re pres sur emoni tor Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Tire Press. MonitorCur-
rent lyUnavailable *T
her eis int erfere nce from apo we rful radio signal source.Asare sult, nosignals from thetir epr essur esensor are
being recei ved. The tirepr essur emonit oristemp orarily una vailable. #
Drive on.
The tirepr essur emon itor will restar taut omat icallyas soon asthecause hasbeen rectif ied.
Tir ePre ss. Moni torInope ra-
tive *T
hetirepr essur emonit orismalfunctionin g. &
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.
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. 44
6
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Tire Pressure MonitorInop-
erative NoWheel Sensors *T
hewheels installed donotha ve suit able tirepr essur esensor s.The tirepr essur emonit orisdeactiv ated. #
Installwheels withsuit able tirepr essur esen sors.
0077 Wheel Sensor(s )Missin g *T
her eis no signal from thetir epr essur esensor ofone ormor ewheels. Nopressur eva lue isdispla yedfo rth eaf fec‐
te dtir e. #
Have thefa ulty tirepr ess uresen sor replaced ataqu alif ied spec ialistwo rkshop.
0077 Check Tires *T
hetirepr essur ein one ormor etir es has dropped significantl y.The wheel position willbedispla yed. &
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 e(/ page366) andthetir es. Displa
ymessag esand warning/ indic ator lam ps 44
7

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses:
R The temp eratur esensor ismalfunct ioning
R The coolant leve lis toolow
R The airsupply tothera diat orisobs truct ed
R The radiat orfanis faulty
If th er eis an additional warning tone, thecoolant temp eratur ehas exceeded themaximum permissible temp eratur e. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions.Do
no tcontinu edr ivi ng. #
Notethemessag eson themultifunc tiondispla y.
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: 456
Displa ymessag esand warning/ indic ator lam ps

ATA
(anti-thef tala rm system) .................. 82
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ....................................... 84
Ar ming /disarm ing theto w- aw ay
alar m.....................................................8 3
Dea ctivating thealar m.......................... 83
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 82
Fu nctio nof theint erior motion sensor ..83
The tow- aw ay alar mfun ction .......... .......8 3
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 192, 194
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>192
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 194
Sy stem limit ations ...............................1 92
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivati ng med iamod e........... .............308
Co nnecti ngUSB devic es ........... ........... 310
Cop yright s...........................................3 08
Inf ormatio n....... ................................... 306
Inser ting/r emoving anSD card....... ....308
Medi asea rch ................................. ...... 314
Ov ervie w .......................................... ....3 10
Pa use and playbac kfun ction ...............3 11
Sel ecting atrac k <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 311 Sel
ecting play bac kop tion s............ ...... 311
Tr ac klis t.............................................. 311
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> 198
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ............ ...111
Au tomatic engine star t(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .......136
Au tomatic engine sto p(E CO star t/
sto pfunc tion) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> .......136
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 ............ .......................................90
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............120
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ......................139
Dr ive pr ogr am disp lay ............ ..............138
Dr ive pr ogr ams............ ........................ 138
DY NA MIC SELE CTswitc h.................... 138
Eng aging drive po sitio n............ ............ 141
Eng aging neu tral ............ ...................... 140
Eng aging park position .........................1 41
Eng aging reve rsege ar .........................1 40
Kic kdo wn ....... ......................................142
Manual gearshif ting.............................1 41
St eer ing wheel paddle shifters ............. 141
Tr ans miss ionposit iondispla y.............. 139
Tr ans miss ionposit ions........................ 139 Inde
x469

Ad
jus ting treb le,mid -rang eand bass
se tting s............ ................................... 328
Au tomatic volume adjustment ........ .....3 29
Ca lling up thesound menu .................. 328
Inf ormation ...... .............................. ...... 328
Select ingthesound profile .................. 329
Bur mes ter®
sur round soun dsy stem .....3 27
Ad jus ting thebalance/f ader............... 328
Ad jus ting thesound focus <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 328
Ad jus ting treb le,mid -rang eand bass
se tting s............ ................................... 328
Au tomatic volume adjustment ........ .....3 28
Ca lls up thesound menu ............... ...... 327
Inf ormation ...... .............................. ...... 327
Switc hingthesur round soun don /of f
.. ...................................................... .....3 28
Butt ons
St eer ing wheel .................................... 206 C
Call list
Making acall ....................................... 289
Ov ervie w ...... .................................... ... 288 Calling
upthesound menu
Bur mes ter®
high-end 3Dsurround
soun dsy stem ...................................... 328
Calls ..........................................................2 85
Ac cep ting <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ................285
Ac tivati ng functio nsduring acal l........ 285
Ca lls wi th severalpar ticipant s.............2 85
Declini ng....... ......................................285
Ending acall ................................... ..... 285
Incoming callduring anexistin gcall .... 286
Makin g............................................ .... 285
Mer cedes me...................................... 295
Calls upthesound menu
Bur mes ter®
sur round soun dsy stem ...327
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 337 Car
e..........................................................3 42
Air -water duct ......................................337
Au tomatic carwash ............................. 337
Car pet.................................................3 42
Decor ativefo il .....................................3 39
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 342
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 341
Hea dline r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 342
Ma tte finis h<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>339
Nig htView Assi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 340
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 339
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 342
Po we rwa sher ...................................... 338
Re alwo od/tr imelements ...................3 42
Re ar vie wcam era ................................ 341
Seat belts............................................ 342
Seat cover..... ...................................... 342
Sensor s..... .......................................... 341
Sur round viewcam era .........................3 41
Ta ilpipes ...............................................3 41
Wa shing byhand ................................. 339
Wheels/r ims........................................3 41
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 341
Wi per blades ........................................ 341
Car pet(Car e)...........................................3 42 Inde
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1

ä
Malfunction Drive at Max. 50
mp h..................................................... 430
: Malfunction SeeOper ator ’s
Manual .................................................4 13
¢ Max.Speed 22mph...................4 32
Á Obtain aNe wKe y........................ 411
ç Off..............................................4 38
00D9 Off....... .......................................437
0049 Parking Brak eSee Opera tor's
Manua l..... ..................... ...................... 424
0077 PleaseCor rect Tire Pressur e...... 448
0049 Please Release Parking Brak e.... 427
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 411
003D SeeOperato r's Manua l..... ...... ... 445
005D Shif tto 'P' ...................................... 422
0075 SRSMalfunction Service
Re quired .............................................. 408
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l..... .......... ................ .........................416 Ù
Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ....4 16
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...446
003D Stop Vehicle SeeOper ator's
Manual ................................................ 445
00CC Stop Vehicle Vehicle TooLo w ..... 431
ç Suspended ................................. 437
: SwitchOf fLights ........................ 414
: SwitchOn Hea dlamps ................ 414
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 428
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............. 416
00CC Vehicle Rising Please Wait.......... 432
00CC Vehicle Rising ............................. 430
0077 Warning Tire Malfunction ........... 448
0077 Wheel Sensor(s) Missing ............ 447
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.....4 35 Ac
tiveBli nd Spo tAssi stInoper ative.... 436
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Man‐
ua l...... ................................................. 442
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual .................4 43
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.....4 38
Ac tiveDis tance AssistInoper ative.... .. 438
Ac tiveDis tance AssistNo wAv ailable
.. ...........................................................4 38
Ac tiveHoo dMa lfunctio nSee Opera‐
to r's Manua l...... ................................... 417
Ac tiveLa ne Keeping AssistCamer a
Vi ew Restrict ed See Operato r's Man‐
ua l...... ................................................. 434
Ac tiveLa ne Keeping AssistCur rentl y
Un available SeeOper ator' sMan ual.....4 33
Ac tiveLa ne Keeping AssistInopera‐
tiv e ...................................................... 434 47
6
Inde x

Ac
tivePa rking Assistand
PA RK TRONI CInoper ative See Opera‐
to r's Manua l...... .................................. 436
Ac tiveSt eer ing Assis tCur rentl y
Un available DuetoMultiple Emer‐
ge ncy Stops ......................................... 433
Ac tiveSt eer ing Assis tCur rentl y
Un available SeeOper ator' sMan ual.....4 32
Ac tiveSt eer ing Assis tInoperativ e.......4 32
Ad aptiveHig hbeam Assis tCamer a
Vi ew Restrict ed See Operator's Man‐
ua l..... ................ ................................... 415
Ad aptiveHig hbeam Assis tCur rently
Un available SeeOper ator' sMan ual.....4 15
Ad aptiveHig hbeam Assis tIn oper a‐
tiv e .......................................................4 15
App lyBrak eto Shif tfr om 'P' ................ 421
Apply Brak eto Shif tto 'R' .................... 421
Au xiliary Batt eryMal functi on.............. 423
Begi nning Emergency Stop .................. 433 Blind
SpotAssis tCur rentl yUna vaila‐
ble See Opera tor's Manua l...... ............ 435
Blind SpotAssis tInoper ative...... .........435
Cr uis eContr olInoper ative...... ............ 438
Cr uis eContr olOff...... ......................... 439
Decr ease Speed ..................................4 49
Dr iver's Door Open &Trans miss ion
No tin PRisk ofVehicle Rolling Away ... 421
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................4 09
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................4 09
Hazard Warning Flashe rsMalfunc‐
tioning .................................................. 415
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual .................4 44
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 422
Only Shiftto 'P' when Vehicle isSta‐
tio nar y.................................................4 21 Place
theKe yin theMar kedSpace
See Oper ator's Manual ........................ 412
PRE-S AFEInoper ativeSee Oper a‐
to r's Manua l..... ....................................4 10
Ra dar SensorsDir tySee Oper ator's
Manual ................................................ 443
Re versing NotPo ssible Service
Re quired .............................................. 423
Ser vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 422
Shif tto 'P' or'N' toStartEn gin e.........4 22
St op Vehicle LeaveEngi neRunning
Wa itTrans miss ionCoolin g.................. 423
Ti re Press. Monit orCur rently
Un available .......................................... 446
Ti re Press. Monit orInopera tive ........... 446
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors .................................... 447
Ti re sOv erheat ed................................. 448 Inde
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