2020 MERCEDES-BENZ S-CLASS Owner's Manual

Thir
dparty services
If it is possible touse onlines ervic es from other
pr ov ider s,these services aret he responsibili ty
of thep rovide rinq ues tion andsubjecttothat
pr ov ider's dataprotection conditions andterm s
of use. Themanuf acturerhas noinfluence on
th ec ontent exc hang ed.
Fo rthis reason ,please askthes ervice prov ider
fo ri nfor mation aboutthet ype, extent and pur‐
po se ofthec ollect ionand useofper sonal data
when services arep rovide dbythir dp arties . Mult
imed iasystem/M ercedes meconnect If
th ev ehicle iseq uipped withthe multimedia
sy stem orMer cedes meconnect ,additional data
about thev ehicle's operation, theu seofthe
ve hicle incer tain situat ions,and thel ocation of
th ev ehicle maybec om piled bythem ultimedia
sy stem orMer cedes meconnect .
Fo ra dditional information pleaserefert ot he
ch ap ter" Mu ltimed iasystem" and/or the
Mer cedes meconn ectTerm sa nd Conditions. Ev
ent data recor der s US
Ao nly:
This vehicle iseq uipped witha ne vent dat a
re cor der (EDR ).The mainpurpo se ofan EDRis
to recor d,incer tain crash ornear crash-lik esit‐
uation s,suc hasana irbag deployment orhitt ing
ar oad obstacle ,datat hat will assistinunde r‐
st andi nghowav ehicle's systems perform ed.
The EDRisd esigned torecor ddatar elat edto
ve hicle dynamics andsafetys ystems foras hort
per iod oftime, typica lly30 seconds orless.
The EDR inthis vehicle isdesigned torecor d
su ch dat aas:
R Howv arious systems inyour vehicle were
oper ating
R Whe ther or notthe driver and front
passeng erseat belts werebuc kled/f astened
R Howf ar(ifa ta ll)t he driver wa sd epr essing
th ea ccelera tora nd/or brak ep eda land
R Howf astthe vehicle wastrave ling
This datacan help prov ide abette ru nder stand‐
ing ofthec ircums tances inwh icha ccidents and
inju ries occur .NOTE:ED Rd atai sr ecor dedby yo
ur vehicle onlyifan on-trivial crash situation
occur s;no dat aisr ecor dedbytheE DR under
nor mal driving conditions andnoper sonal data
(e.g. name, gende r,ag ea nd acc iden tloc atio n)is
re cor ded .Howe ver,ot her parties, suchaslaw
enf orcement ,could combine EDRdataw itht he
type ofper sonally identifying dataroutinel y
acq uired dur ing acrash inve stigation .
To read dat arecor dedbyan EDR,spec ialequip‐
men tisr equir ed, and access tothev ehicle or
th eE DR isneeded. Inaddition tothev ehicle
manuf acturer,o ther par ties that have thes pecial
eq uipment, suchaslaw enforcemen t,can read
th ei nfor mation byacc essi ngthev ehicle orthe
EDR.
EDR data ma ybeu sed incivil andcrimina lmat‐
te rs as atool inaccident recons tructi on,acci ‐
dent claims and vehicle safety. Since theC rash
Dat aRetrieva l(CDR) tool that isused toextract
da ta from theE DR iscomm erciall yavailable,
Mer cedes-Ben zUSA,LLC ("MBUS A")expressl y
disclaims anya nd allliability arising from the
ex tracti onofthis inf ormatio nbyunaut horized
Mer cedes-Ben zperson nel. Gen
eral no tes 31

MBUS
Awillno ts har eEDR dataw itho ther sw ith‐
out thec onsent ofthev ehicle owner or,ift he
ve hicle isleased, without thec onsent ofthel es‐
see. Excep tion stot his repr esent ation include
re sponses tosubpoenas bylawe nfor cem ent;by
fe der al,stat eo rloc algo vernment ;inc onnection
wit ho rarising outoflitig ation invo lvin gM BUS A
or its subsidia ries and affiliat es; or,a sr equir ed
by law.
Wa rning: TheEDRisac ompone ntofthe
Re stra int System Module. Tamp ering with,alt er‐
ing, modifying orremo ving theE DR com ponen t
ma yresult inam alfunction oftheR estra int Sys‐
te mM oduleand other systems.
St atel aws orregulations rega rding EDRs that
con flict withfeder alregulation arep re-em pted.
This means that inthee vent ofsuc hconflict ,the
fe der alregulation governs. As ofDecember
20 16 ,17s tatesh avee nact edlaws relatin gto
EDRs . Co
pyright Fr
ee and open- sourcesof tware In
fo rm atio nonlice nsef or free and open- source
sof twareu sed inyour vehicle canbefound on
th ed atac arrier inyour vehicle document wallet
and withu pdat eson thef ollo wing websit e:
htt p:// www .mercedes- benz.com/open source Re
gis tere dt rademar ks R
Bluetoo th®
is ar egis tere dt rademar kofBlue‐
to othS IGInc.
R DTS™ isar egis tere dt rademar kofDTS,Inc.
R Dolb y®
and MLP ™areregis tere dt rademar ks
of DOLB YLabor ator ies.
R Bab ySmar t™,ESP®
and PRE-S AFE®
arer eg‐
is te re dt rademar ksofMer cedes-B enzAG.
R HomeL ink®
is ar egis tere dt rademar kof
Johnson Controls.
R iPod ®
and iTune s®
arer egis tere dt rademar ks
of Apple Inc. R
Burmes ter®
is ar egis tere dt rademar kof
Bur mes terA udiosy steme GmbH.
R Micr osoft®
and Windo wsMedia ®
arer egis‐
te re dt rademar ksofMicr osoftCorpor ation.
R SIRIUS ®
is ar egis tere dt rademar kofSirius
XM Radio Inc.
R HD Radio™ isar egis tere dt rademar kofiBiq‐
uity Digit alCor poration.
R Graceno te®
is ar egis tere dt rademar kof
Gr aceno te,Inc .
R ZAGA TSurve y®
and relat ed brands arer egis‐
te re dt rademar ksofZag atSur vey, LL C. 32
Gener alno tes

Re
stra int system Pr
otection prov ided byther estraint system The
restra int system includes thef ollo wing com‐
ponent s:
R Seat beltsystem
R Airbags
R Child restra int system
R Child seatsecur ingsystems
The restra int system can help preve ntthev ehi‐
cle occupants from coming intoc ont act with
par tsof thev ehicle interior inthee vent ofan
acciden t.In thee vent ofan acciden t,th e
re stra int system can also reduce thef orces to
whic hthe vehicle occupants ares ubject ed.
As eat belt canonlyprovide theb estleve lofp ro‐
te ction ifit is wo rncor rectl y.Dep endingonthe
de tected acci dent situation, Emerg encyTensi on‐
ing Device sand/or airba gssupp lement thep ro‐
te ction offere db yac orrectl yw orns eat belt.
Emer gency Tensi oni ng Device sand/or airba gs
ar en otdeploy ed ineve ryacc iden t. In
order fort he restra int system toprov ide the
int ended leve lo fp rotection, eachvehicle occu‐
pant mustobser vethef ollo wing information:
R Fasten seat belts correctl y.
R Sitinan almos tupright seat position with
th eir bac kagains tthe seat backres t.
R Sitwiththeir feet resting onthef loor ,ifp os‐
sible.
R Alw ayss ecur epersons under 5ft(1.50 m)
ta llin an addition alrestra int system suitable
fo rM ercedes-Benz vehicles.
Ho wever,no system available toda yc an com‐
ple tely elim inat ei njur ies and fata lities ineve ry
acc iden tsituatio n.Inpar ticular ,the seat belt
and airbag gener ally do notp rotect agains t
objec tspene trating thev ehicle from theo utside.
It is also notp ossible tocom plet elyr ule out the
ri sk ofinjur ycaused bythea irbag deploying. Re
duce drestraint system protection &
WARNIN GRisk ofinju ryor deat hfrom
modif ications tother estra int system
The restra int system can nolong erfunc tion
cor rectly afte ra lter ations have been made.
The restra int system maythen notp rotect
th ev ehicle occupants asintended byfailing
in an acc ident ortrigg ering une xpec tedly ,for
ex am ple #
Nevera lter thep arts of ther estra int
sy stem. #
Nevertam per withthe wiring orany
electr oniccomponent partsor their
sof tware. If
it is neces sarytom odify thev ehicle toacc om‐
modat eaperson withd isabil ities, con tact an
au thor ized Mercedes-B enzCent erford etails.
US Ao nly: ford etails, contact ourC ustomer
Assis tance Center on 1-800-F OR-MER Cedes
(1‑80 0‑367‑63 72). Occ
upant safety 33

Re
stra int system functiona lity When
thei gnition isswitc hedon,aself-t estis
per form ed, during whic hthe 0075 restra int sys‐
te mw arning lamplight sup.Itgoes outnolater
th an afew sec ond safter thev ehicle isstar ted.
The com ponen tsof ther estra int system aret hen
function al. Malfunctioning
restra int system Am
alfun ction has occurredi nt he restra int sys‐
te mi f:
R The 0075 restra int system warning lam p
does notlight upwhen thei gnition is
switc hedon
R The 0075 restra int system warning lam p
light supc ontin uousl yorrepeat edlyduring a
jour ney &
WARNIN GRisk ofinju rydue tomalfu nc‐
tions inther estra int system
If th er estraint system ismalfunct ioning,
re stra int system com ponen tsma ybetrig‐ ge
redu nint entionall yorm aynotd eplo yas
int ended during anacciden t.This mayaffect
th eE mer gency Tensi oni ng Device sorair‐
ba gs, fore xamp le. #
Have ther estra int system checkeda nd
re pair edimmediat elya taq ualifiedspe‐
cialis tworks hop. Fu
nction ofther estraint system inan acci‐
dent Ho
wt he restra int system worksi sd eter mined by
th es eve rity of thei mp act detected and thet ype
of acciden tantic ipat ed:
R Front alim pact
R Rear impact
R Sideimp act
R Rollover
The activ ation thre sholds fort he com ponents of
th er estra int system ared eter mined basedon
th ee valuatio nofthe sensor values measur edat
va rious points inthev ehicle. Thisprocess ispre-
em ptivei nn atur e. The trigg ering/ deplo yment ofth
ec om ponen tsof ther estra int system mus t
ta ke place ingood timeatthes tart of thec olli‐
sion.
Fa ctor sw hich can only besee nand mea sured
af te rac ollision hasoccur redd onotpla yad eci‐
siv erole inthed eplo yment ofan airbag. Nordo
th ey prov ide anindic ation ofairbag deployment .
The vehicle maybed efor med signif icantl ywith‐
out anairbag beingdeployed. This isthec ase if
onl yparts whic harerelativ elye asil ydefor med
ar ea ffect edand ther ateo fvehicle deceler ation
is no th igh. Conversely ,ana irbag maybe
deplo yede vent hough thev ehicle suffers onl y
minor deformation. Ifve ry rigid vehicle parts
suc haslongitudinal membersarehit, fore xam‐
ple, this ma yresult insuf ficie ntly highleve lsof
ve hicle deceler ation. 34
Occupant safety

The
comp onent softhe restra int system can
be act ivat ed ordep loye di nde pendentlyo f
eac hother: Com
pone nt Detected dep loy‐
men tsitua tion
Em erge ncy Tensi on‐
ing Device s Fr
ont alim pact, rear
im pact ,side impact ,
ro llo ver Dr
iver' sa irba g,front
pa sse nger airba g Fr
ont alim pact Knee
airbag Front alim pact Side
airbag Sideimpact
Wi ndo wcurtain air‐
bag Side
impact ,rollo ver,
fr ont alim pact Belt
airbag Front alim pact Cushionbag
Front alim pact The
front passeng erairbag canonlybed eplo yed
in an acc ident ifth eP ASSENGER AIRBAGO FF
ind icat orlam piso ff.I ft he front passeng erseat is
occupied, makesure, bo th bef orea nd dur ing
th ej our ney,that thes tatus ofthef ront
passeng erairbag iscor rect (/ page 45). &
WARNIN GRisk ofburnsf romh otair bag
com ponents
The airbag partsareh otafte ra na irbag has
been deployed. #
Donottouc hthe air bag parts. #
Have ad eplo yeda irbag replaced ata
qu alif ied spec ialistworks hop assoon
as possible . Mer
cedes-Benz recomme ndsthat youh avet he
ve hicle towe dtoaq ualifiedspec ialistworks hop
af te ra na ccide nt.Take this int oa ccount ,partic ‐
ular lyifan Em erge ncy Tensi oni ng Device istrig ‐
ge redo rana irbag deployed.
If th eE mer gency Tensi oni ng Device saretrig ‐
ge redo rana irbag isdeplo yed, youw illhear a
ban g,and asmal lamoun tofpow der mayalso be
re leased:
R The bang willnotg ene rallya ffect your hear ‐
ing . R
Ingener al,t he powder released isno th az‐
ar dous tohealt hbutma ycause short-term
br eat hing difficul ties toper sons suffering
fr om asthma orother pulmonar yconditions .
Pr ov ided itis saf etod oso,lea vethev ehicle
immediat elyoropen thew indo wino rder to
pr eve ntbrea thing difficul ties .
Airb agsa nd pyrotech nic Emerg encyTensi oni ng
De vice scont ainp erch lor atem ater ial, whic hmay
re qu ires pec ialhandlin gorenvironm entalpro‐
te ction measures. Na tional guideline sregarding
wa sted isposal mustbeo bser ved. InCalif ornia,
see http:// www .dtsc. ca.go v/Hazar dousW aste/
Pe rchlor ate/inde x.cfm. Seat
belts Pr
otection prov ided bythes eat belt Alw
aysf asteny our seat beltcorrectly bef ore
st ar tin gaj ourney .As eatb eltc an only prov ide
th eb estlev el of protect ion ifit is wo rncor rectl y. Occupant
safety 35

&
WARNIN GRisk ofinju ryor deat hdueto
inc orrectl yfastened seat belt
If th es eat belt isno tw ornc orrectly ,itc an‐
no tp erform itsintended protect ivef unc tion .
In addition, anincor rectly fastened seatbelt
can also cause injuries,fore xamp le,inthe
ev ent ofan acciden torw hen braking or
ch ang ingdirect ion sudden ly. #
Alw ayse nsur ethat allvehicle occu‐
pants have their seat belts fastened
cor rectl ya nd ares itting prope rly. Alw
ayso bser vethei nstruction sabout thec or‐
re ct driver's seatposition and adjus ting thes eat
(/ page96).
In order fort he cor rectly wornseat belttopro‐
vide thei ntended leve lo fp rotection, eachvehi‐
cle occupant mustobser vethef ollo wing infor‐
mation:
R The seat beltmustnotbe twis teda nd mus t
fi tt ightly and snuglya cross theb ody . R
The seat beltmustberout edacr oss thec en‐
te ro fthe shoulder andaslowd owna cross
th eh ips aspossible.
R The shoulder sectionofthes eat belt should
no ttouc hyour necknorbe routed und er
yo ur armo rbehin dyour back.
R Avoid wearing bulk ycloth ing, e.g. awinter
coat .
R Push thel ap belt down asfara sp ossi ble
acr oss your hips andpulltight wit hthe shoul‐
der section oftheb elt. Neverrout ethe lap
belt across your abdom en.
Pr egn ant women mustalsot akep articular
car ew itht his.
R Neverrout ethe seat beltacross shar p,poin‐
te d, abr asiv eorfragile objec ts.
R Onlyone per son should useeachseat belt at
an yo ne time. Nevera llow babies andchil‐
dr en totrave lsitting onthel ap ofano ther
ve hicle occupant.
R Nevers ecur eobjects withas eatbelt ifth e
seat beltisalso being usedbyone ofthe
ve hicle's occupants. Alwayso bser vethe
ins truct ions forl oa ding thev ehicle when secur
ingobject s,lugg ageo rloads
(/ page125).
Also ensur ethat noobject s,e.g. acushion ,
ar ee verp laced between aperson and the
seat.
The seat belts onthef ollo wing seats aree quip‐
ped withas pecialseatb eltretract or:
R Front passeng erseat
R Rear seat s
Ac tivateo rdeacti vate thes pecial seatbelt
re tract or(/ page 55).
If ch ildr enaret rave ling inthev ehicle, besur eto
obser vethei nstruction sand safetyn otes on
"Childr eninthev ehicle" (/page50). 36
Occupant safety

Limita
tionsofthep rotection prov ided bythe
seat belt &
WARNIN GRisk ofinju ryor deat hdueto
inc orrect sea tposition
The seatbeltd oesn otoffert he intended
le ve lo fp rotection ifyo uh ave notm ove dthe
seat backres ttoa nalmos tvertical position.
When braking orinthee vent ofan acci dent,
yo uc ouldslide underne atht he seat beltand
sus tain abdomin alor nec kinjur ies, fore xam‐
ple. #
Adjus tthe seat proper lybef oreb egin‐
ning your jour ne y. #
Alw ayse nsur ethat thes eat backres tis
in an almos tvertical position andthat
th es houlder sectionofyour seat beltis
ro uted acr oss thec ent erofyour sho ul‐
der . &
WARNIN GRisk ofinju ryor deat hwhen
additional restra int systems aren otused
fo rp ersons withas mallerbuild
Pe rsons under 5ft(1.50 m)tallcan notw ear
th es eat belt correctly without asuitable
additional restra int system.
If th es eat belt isno tw ornc orrectly ,itc an‐
no tp erform itsintended protect ivef unc tion .
In addition, anincor rectly fastened seatbelt
can also cause injuries,fore xamp le,inthe
ev ent ofan acciden torw hen braking or
ch ang ingdirect ion sudden ly. #
Alw ayss ecur epersons under 5ft
(1 .50 m)tallinas uitable restra int sys‐
te m. &
WARNIN GRisk ofinju ryor deat hdueto
bloc keds eat belt buckleorseat belt
anc horage
Objec tsnext to thef ront seat that bloc kthe
seat beltbuckleorthem oving seat belt
anc horageo nthe front seat impair thef unc ‐
tion oftheE mer gency Tensi oni ng Device s. The
Emerg encyTensi oni ng Device scan,
th en, notfunc tion asintended andthes eat
belt cannolong erprov ide thei ntended pro‐
te ction. #
Befores tarting thej our ney,mak esure
th at ther ea reno objec tsaround the
seat beltbuckleorbetween thef ront
seat anddoor . &
WARNIN GRisk ofinju ryor deat hdueto
damag edormodif iedseat belts
Seat belts cannotprov ide protect ion inthe
fo llo wing situat ions:
R The seat beltisdamag ed,has been modi‐
fi ed, isex treme lydirty, bleac hedordyed
R The seat beltbuckleisdamag edor
ex treme lydir ty
R Modif ication shaveb een made tothe
Emerg encyTensi oni ng Device ,sea tb elt
anc horageo rseatb eltr etra ctor
Sea tbelts ma ysustain no n-visi ble damag ein
an acc iden t,e.g .due toglass splin ters. Occupant
safety 37

Modif
iedordamag edseat belts could tear or
fa ilin thee vent ofan acci dent, fore xamp le.
Modif iedEmerge ncy Tensi oni ng Device smay
be deploy ed unint entionall yornotfunc tion
as intended. #
Neverm odify thes eat belts, Emergency
Te nsi oni ng Device s,sea tbelta ncho‐
ra ge so rseat belt retract ors. #
Makesur ethat thes eat belts aren ot
damag ed,aren otwo rnand arec lean. #
Alw aysh ave thes eat belts checked
immed iatelya fter an acci dent ata
qu alif ied spec ialistworks hop. Onl
yuseseat belts that area ppr ove dfor your
ve hicle byMer cedes-Ben z. &
WARNIN GRisk ofinju ryor deat hfrom
deplo yedp yrot ec hni cEmerg ency Ten‐
si oni ng Device s
Py rotech nic Emerg encyTensi oni ng Device s
th at have been deployeda reno long eroper a‐
tion aland areu nable toper form their inten‐
ded protect ivef unc tion . #
Ther efor e, have deplo yedp yrot ec hni c
Em erge ncy Tensi oni ng Device simm edi‐
at ely replaced ataq ualif iedspec ialist
wo rkshop. Mer
cedes-Benz recomme ndsthat youh avet he
ve hicle towe dtoaq ualifiedspec ialistworks hop
af te ra na ccide nt.
* NO
TEDama gecau sed bytrap ping the
seat belt If
an unused seatbeltisno tfully retract ed,it
ma ybecome trap pe dint he door orinthe
seat mechanism. #
Alw ayse nsur ethat anunused seatbelt
is full yretra cted . In
fo rm ation ontheb elt airbag inther ear
se at belt Th
eB ELTB AG ident ificat ion indic ates that ar ear
seat beltiseq uippe dwithab eltairbag .
When activat ed, theb elt airbag increases the
pr otect edarea ofthev ehicle occupant's ribcag e. &
WARNIN GRisk ofinju ryor deat h
th ro ugh theu seofan on-appr ovedchild
re stra int system
In an acciden t,th eb elt air bag maydamag e
an on-appr ovedornon-aut horized child
re stra int system.
As aresult, thec hild restra int system may
no tb ea ble toprov ide thei ntended leve lo f
pr otect ion. #
Ther efor e, alw aysu seLATC Ho rLATCH -
type (ISOFIX )tof astenac hildseat
eq uippe dwitha nintegr ated restra int
sy stem. #
Forv ehicles equipped withthe optional
re ar seat -beltair bags ("belt bag"), only
use aMerced es-Ben zappr oved boos ter
seat withintegr ated bac kres t. #
Neveru se an air bag equip ped seat belt
to fasten afront or rear-facin gchild
seat oran on-appr ovedboos ters eat. #
Plea secont actanauthor ized
Mer cedes-B enzCent erfori nfor mation
on app rove dc hild restra int systems. 38
Occupant safety