MERCEDES-BENZ S-CLASS CABRIOLET 2021 Owner's Manual

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Fron tPassenger AirbagDis-
abled SeeOperator' sMan-
ual *T
hefront passeng erairbag andthefront passeng erknee airbag have been disabled eventh ough anadult oraper‐
son ofadult statur eis on thefront passeng erseat. Ifadditional forc es areapplied totheseat, thewe ight thesy s‐
te m detects maybe toolow. &
WARNIN GRisk ofinju ryor fata linj urydue toadisable dfron tpasse nger airbag
If th efront passeng erairbag isdisabled, thefront passeng erairbag willnotbe deplo yedin theev ent ofan acci‐
dent andcann otper form itsintended protect ive func tion.
A per son inthefront passeng erseat could then, forex am ple, com eint ocon tact with theve hicle's interior ,
especially ifth eper son issitt ing tooclose tothecoc kpit. #
Mak esur e,bo th bef oreand during thejour ney,that thest atus ofthefront passeng erairbag iscor rect. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Checkth est atus oftheaut omatic front passeng erairbag actuation (/page44 ). #
Ifnec essar y,consu ltaqu alif ied spec ialistwo rkshop immediat ely.
Front Passeng erAirb ag
Enabl edSee Operator 's
Manu al *T
hefront passeng erairbag andthefront passeng erknee airbag areenabled whiletheve hicle isin mo tion inthe
fo llo wing situat ions:
R evenwh en ach ild, aper son ofsmaller statur eor an obj ect weighin gless than thesy stem weight thre shold is
locat edon thefront passeng erseat
R evenwh en thefront passeng erseat isno toccupied
The system mayde tect obje ctsorforc es that areaddin gto thewe ight applied totheseat. Displa
ymessag esand warning/ indic ator lam ps 409

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofinju ryor fata linj urywhen usingach ild restra int system while thefront passeng erairbag
is enabled
If yo usec ureach ild inach ild restra int system onthefront passeng erseat andthefront passeng erairbag is
enabled, thefront passeng erairbag maydeplo yin theeve ntofan acci dent.
The child could bestru ck bytheairbag. #
Both bef oreand during thejour ney,ensur eth at thest atus ofthefront passeng erairbag iscor rect.
NEVER useach ild restra int system facing tothere ar on aseat withan ACTIV ATED FRONT AIRBAG. DEATHor
SERIOU SINJU RYtothech ild can occur. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Checkth est atus oftheaut omatic front passeng erairbag actuation (/page44 ). #
Ifnec essar y,consu ltaqu alif ied spec ialistwo rkshop immediat ely.
PRE-S AFEInoperat iveSee
Operator's Manual *
The PRE‑S AFE®
funct ionsaremalfunct ioning. #
Consult aqu alif ied spec ialistwo rkshop. 41
0
Display messa gesand warning/ indic ator lam ps

Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Obtain aNew Key *T
heSmar tKey nee dstobe replaced. #
Consult aqu alif ied spec ialistwo rkshop.
Á Repla ceKey Battery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page61 ).
Á
Ke yNot Detected (whit e
disp lay mes sage) *T
heSmar tKey iscur rently undetect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e12 7). Displ
aymessa gesand warning/ indic ator lam ps 41
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 7).
Pl ac ethe Key inthe
Ma rked SpaceSee Opera -
tor' sMa nua l *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 7).
Á
Don't ForgetYour Key *A
warning tone willal so sou nd. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vethe
ve hicle. 41
2
Display messa gesand warning/ indic ator lam ps

Sof
tto p Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0059 While station ary,apply the
brakes beforeoperating
the soft top. *T
hevehicle isstatio naryand youar etrying toopen orclose thesof tto p. #
Depr essthebr ak epedal. #
Push orpull thesof tto pswitc hag ain until thesof tto pis fully open orclosed.
0059 Conver tibleTopOperation
Possible to37 mph *I
fyo udr ive at spee dsgreat erthan 37 mph(6 0km/h), youcan notopen orclo sethesof tto p. #
Donotdr ive at speeds great erthan 37 mph(6 0km/h). #
Fully open orclos eth esof tto p.
0059 Conver tibleTopLowering *T
hesof tto pis no tfully opened orclosed. Thehydraulics aredepr essur ized. #
Fully open orclos eth esof tto p. Displa
ymessag esand warning/ indic ator lam ps 41
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0059 Open/Close Convertible
Top Completely *T
hesof tto pis no tloc ked. Ifyo udr ive at spee dsgrea terth an 37 mph(60 km/h), youcan notopen orclo sethesof t
to p. #
Donotdr ive at speeds great erthan 37 mph(6 0km/h). #
Fully open orclos eth esof tto p.
0059 12 VBatt erySee Opera-
tor' sManual *T
heon-boar delectr icalsystem voltag eis toolow. #
Startth eengine.
0058
Trunk PartitionOpen *T
hetrunk partition isopen. #
Close thetrunk partition. 41
4
Display messa gesand warning/ indic ator lam ps

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
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
: Act ive Headlamps Inopera-
tive *T
heactiv eheadla mpsar emalfunctioning. #
Consult aqu alif ied spec ialistwo rkshop.
: Switch OnHeadla mps *Y
ouaredr iving without low- beam headlam ps. #
Turn thelight switc hto the0058 or0058 position .
:
Switc hOff Lights *Y
ouarelea ving theve hicle andthelights arest ill switc hedon. #
Turn thelight switc hto the0058 position .
: Int ell. Light System Inoper-
ative *T
heIntellig entLight System ismalfunct ioning.Thelighting system continues tofunction proper lywit hout thefunc ‐
tion sof theInt ellig entLight System. #
Consult aqu alif ied spec ialistwo rkshop. 41
6
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Adaptive Highbeam Assist
Currently Unavailable See
Operator' sManual *A
dap tiveHighbeam Assistis temp orarily una vailable.
The system limits have been reac hed (/page11 0). #
Drive on.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. TheAdap tiveHig hbeam
As sist Now Available displaymes sagewill appear .
Adap tiveHig hbeam Assist
In oper ative *A
daptiveHighbeam Assistis malfunc tioning. #
Consult aqu alif ied spec ialistwo rkshop.
Adaptive Highbeam Assist
Camera ViewRestricted
See Operator's Manual *T
hecamer avie wisrestrict ed. Possible causes:
R Dirton thewindshield inthecamer a'sfield ofvision
R Hea vyrain, sno wor fog
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 thewindshield.
Hazard Warning Flashers
Malfunct ioning *T
hehazar dwa rning lam pswitc his malfun ctionin g. #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 41
7

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) .
Ù Stee ringMalfunctio n
Incre ased Phy sical Effor t
See Operator'sManua l *T
hepowe rst eer ing assis tance isma lfunctio ning. &
WARNIN GRisk ofan acci dent dueto altered steer ing charact eristic s
If th epo we rassi stanc eof thesteer ing fails par tiall yor com pletely,yo uwill need touse morefo rc eto steer . #
Ifsaf esteer ing ispossible, drive on car efully . #
Visit orconsult aqu alif ied spec ialistwo rkshop immediat ely. Ù
Steer ingMalfunction Stop
Imme diate lySee Opera-
tor's Manua l *T
hesteer ing ismalfunct ioning.Steer ing capability issignif icantlyim pair ed. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. 41
8
Display messa gesand warning/ indic ator lam ps