light MERCEDES-BENZ S-CLASS 2020 Owner's Manual

R
Impai redd riving comf ort
R Suscep tibilitytodamag e &
WARNIN GRisk ofacci dent caused by
re peat eddrop intirep ressur e
If th et irep ressur edrops repeat edly,the
whee l,va lveo rtirem aybe damag ed.
Ins ufficie nttirep ress urec an cau sethet ires
to bur st. #
Inspect thet iref or signs offore ign
obje cts. #
Chec kwhether thew heel orvalveh asa
leak . #
Ifyo ua reunab leto rectify thed amag e,
con tact aq ualif iedspec ialistworks hop. Yo
uc an find informatio nontirep ress ures for
th ev ehicle's fact or y-ins talled tires on thef ollo w‐
ing labels :
R Tire and Loadi ngInfo rm atio nplacar donthe
B‑pi llar ofyour vehicle (/page454).
R Tire pressur etable onthei nside ofthef uel
fi ller flap (/ page449). Obse
rvet he maximum tirep ressur e
(/ page461).
Use asuitable pressur egaug etoc hec kthe tire
pr essur e.The outerappear anceofat ired oes
no tp ermit anyr eliable conclusion aboutthet ire
pr essur e.
Ve hicl eswith atirep ress urem onit oring sys‐
te m: Youc an also checkt he tirep ressur eusing
th eo n-board computer.
Onl ycorrect tirep ress ures whe nthe tires are
cold. Conditions forc old tires:
R The vehicle hasbeen parkedw itht he tires
out ofdir ect sunlight fora tlea st thre eh our s.
R The vehicle hastrave led less than 1m ile
(1 .6 km ).
Ar ise inthet iret em per atur eof18° F(10 °C)
incr eases thet irep ressur ebyappr ox.1 0k Pa
(0. 1b ar/1 .5psi ).Ta ke this int oa ccount when
ch ecking thet irep ressur eofwarmt ires .
The tirep ress urer ecom mende dfor incr eased
load/speed inthet irep ressur etable canaffect
th er ide comf ort. &
WARNIN GRisk ofacci dent duet o
uns uitable accessories ontirev alve
If yo um ountunsuit able accessories onto tire
va lves, thet irev alves ma ybeo verloaded and
malfunct ion,whic hcan cause aloss oftire
pr essur e.Afterm arke ttirep ress urem onit or‐
ing systems willcause thet irev alveto
re main open, depending onthed esign. This
can also result inaloss oftirep ressur e. #
Onlyscrew standar dvalvec aps orvalve
cap sspecifica llyapprove dby
Mer cedes-Ben zfor your vehicle onto
th et irev alve. Ti
re pres sur etable The
tirep ress uret able ison thei nside ofthe
fuel filler flap.
% The datashown inthei mag esisexam ple
dat a. Whee
lsand tires 44
9

Fu
rther relat ed subje cts:
R Noteso ntirep ressur e(/pag e448)
R Tire pressur etable (/page449)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page454) Ti
re pres sur em onitoring system Fu
nction ofthet irep ressur emonitoring sys‐
te m &
DANG ER Risk ofacc iden tdue toinc or‐
re ct tirep ress ure
Eac htire, incl uding thes par etire( ifpr esent ),
should becheckeda tleas tonceam onth
when coldandthen inflated tothep ressur e
re comme ndedbythev ehicle manufacturer
(see theT irea nd Loadi ngInfo rm atio nplac‐
ar do nthe driver's side B‑pillar orthet ire
pr essur etableon thei nside ofthef uel filler
fl ap ofyour vehicle). Ifyo ur vehicle hastires
of ad iffe re nt size than thes ize indicat edon
th eT irea nd Loadi ngInfo rm atio nplacar dor th
et irep ressur etable, youm ustfind out the
cor rect tirep ress ures fort hese tires.
As anadded safetyf eatur e,your vehicle has
been equipped withat irep ressur emonit or‐
ing system (TPMS) that illumin ates alow tire
pr essur eind icat orlam pwhen oneo rm oreo f
yo ur tires ares ign ifican tlyu nderinf lated.
Ac cor ding ly,i ft he lowt irep ressur eindicat or
lam plights up,yous hould stop and check
yo ur tires assoo nasposs ible, andinflate
th em tothec orrect press ure. Driving on a
sig nifica ntly underinf late dt irec auses thet ire
to ove rheat and canlead totiref ailur e.
Und erinf lation alsoincreases fuelconsum p‐
tion ,reduces thel ifee xpe ctan cy ofthet ire
and mayadversely affect theh andling and
br aking charact eristic so fthe vehicle. Please
no te that theT PMS isno tas ubstitutef or
pr oper tirem aint enanc e,and itis thed rive r's
re sponsibili tyto maint aincorrect tirep res‐
su re,e veni fu nder inflation hasnotreac hed
th el eve ltot rigg er illum inati on oftheT PMS
lo wt irep ressur eindicat orlam p. Yo
ur vehicle hasalso been equipped witha
TPMS malfunction indicatortoindic atew hen
th es ystemi snotoper ating proper ly.T he
TPMS malfunct ionindicat oriscombin edwith
th el ow tirep ressur eindicat orlam p.When
th es ystemd etects amalfuncti on,thei ndica‐
to rlamp willflash fora pproxima tely am inut e
and then remain continuously illumina ted.
This sequence willcontinue upon subseq uent
ve hicle star t-ups aslon gasthe malfunction
ex ists.
When them alfunct ionindicat orisillumina‐
te d, thes ystemm aynotb ea ble todetect or
sig nal lowt irep ress urea sintende d.TPM S
mal functi onsmayoccu rfor av ariety of rea‐
son s,inc ludin gthe installation ofinc om pati‐
ble replacemen toralter nat etires orwheels
on thev ehicle that prev ent theT PMS from
func tioningproper ly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing oneormor etires or
wheels onyour vehicle toensur ethat the
re placemen toralter nat etires and wheels Wheels
andtires 45
1

Pr
eceding letter 1 1:
R Without :passeng ervehicle tires accor dingto
Eur opeanm anufactu ring standar ds.
R "P": passe nger vehicle tires accor dingtoUS
manuf acturingstandar ds.
R "LT": light truc kt ires acc ordin gtoU Sm anu‐
fa ctur ingstandar ds.
R "T": com pact emer gency sparewheels with
high tirep ressur ethat areo nly designe dfor
te mp orar yu seinan emer gency .
As pec tratio 3 3:
Ra tio betwee nt ireh eight and tirew idth inpe r‐
cent (tire height divided bytirew idth ).
Tir ec ode4 4
(tire type ):
R "R"r adial tire
R "D": bias plytire
R "B": bias beltedtires
R "ZR": radial tirew itham aximum speedabove
14 9m ph(240 km/h) (optional) Rim
diame ter5 5
:
The diam eter oftheb ead seat (notthe diame ter
of ther im flang e).The rimd iame teri ss pecif ied
in inc hes (in).
Load-be aring inde x6 6:
Numer icalcode that spec ifies them aximum
load-bear ingcapacity ofat ire( e.g. "91" cor re‐
sponds to1356 lbs (615 kg)).
The load-bear ingcapacity ofthet irem ustb ea t
leas thalf thep ermissible axleload ofyour vehi‐
cle. Donoto verload thet ires by exc eeding the
specif iedload limit.
See also:
R Maximum permissible loadontheT irea nd
Loadi ngInfo rm atio nplacar d(/pag e454)
R Max imum tirel oad (/page461)
R Load index
Speed ratin g7 7:
Spe cifiest he appr ovedm aximum speedofthe
tir e. %
Anelectr onicspeed limi terp reve nts your
ve hicle from exceeding aspeed of130m ph
(2 10 km/h) .
Ma kesur ethat your tires have ther equir ed
speed rating .You can obtain information onthe
re qu ired speed rating from anauthor ized
Mer cedes-B enzCent er.
Summ ertires Inde
xS peedrating
Qu pto1 00 mph(160k m/h)
Ru pto1 06 mph(170k m/h)
Su pto1 12 mp h(180k m/h)
Tu pto1 18 mp h(190k m/h)
Hu pto1 30 mph(210k m/h)
Vu pto1 49 mph(240k m/h)
Wu pto1 68 mph(27 0k m/h)
Yu pto1 86 mph(300 km/h) Wh
eelsan dt ires 463

Inde
xS peedrating
ZR ...Y 1
upto186m ph(300 km/h)
ZR...( ..Y)1
over186 mph(300 km/h)
ZR 1
over149 mph(240k m/h) R
Specifying thes peed rating asthe" ZR" inde x
in tirec ode 4isop tion alfort ires up to
18 6m ph(300 km/h).
R Ifyo ur tirec ode4 includes "ZR"andther e
is no speed rating 7,f indout what them ax‐
imum speed isfrom thet irem anuf actur er.
R Ifload-bear inginde x6 and speed rating 7
ar ei nb rack ets, them aximum speedrating of
yo ur tirei sa bove 186m ph(300 km/h). To
fi nd outthe maximum speed,askthet ire
manuf acturer. All-w
eather tires and wint ertires Inde
xS peedrating
QM +S2
upto100m ph(160 km/h)
TM +S2
upto118m ph(190 km/ h)
HM +S2
upto130m ph(210 km/h)
VM +S2
upto149m ph(240 km/h) Wi
nter tires bear the004D snowflak es ymbol
and fulfillther equir ements oftheR ubber Manu‐
fa ctur ersA ssoci ation (RMA) andtheR ubber
Assoc iationofCanada (RAC)rega rding thet ire
tra ction onsno w.
Load index8 8:
R Nospec ificat ion given: standar dload (SL)
tir e
R "XL" or"Ex tra Load": extral oa dt ireo rrein‐
fo rc ed tire
R "Light Load": lightloadtire R
"C", "D", "E":aload rang et hat depe ndso n
th em aximum loadthat thet irec an car ryata
cer tain pressur e Def
inition ofterm sfor tire sa nd loadin g
Ti re stru ctu reand charact eristics :descr ibes
th en umber oflaye rs or then umber ofrubber -
coat edbelts inthet irec ontact surface and the
tir ew all. These arem ade ofsteel, nylon, poly‐
es tera nd other materials.
Bar: metric unit fort irep ressu re.
14 .5038 pounds persquar einc h( psi)and
10 0k ilop asca l(kP a) isthee quivalent ofone bar.
DO T(Depar tment ofTranspo rtation ):DO T-
mar kedt ires fulf illther equir ements ofthe
US Depar tment ofTrans portatio n.
Av erag ew eight ofthev ehic leoccup ants:the
num bero fvehicle occupants forw hich thev ehi‐
cle isdesigned, multiplied by150lb( 68 kg).
1 "ZR" stat ed inthet irec ode.
2 Or "M+S 004D"f orwint ertires 46
4
Wheels andtires

Occupant
safety Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
0075 SRS Malfunct ionServic e
Required *T
herestra int system ismalfunct ioning(/page34). &
WARNIN GRisk ofinju rydue tomalfu nctions inther estra int system
If th er estraint system ismalfunct ioning,restra int system com ponen tsma ybetrigg ered unint entionally orma y
no td eplo yasintended during anacciden t.This mayaffect theE mer gency Tensi oni ng Device sorairba gs, for
ex am ple. #
Have ther estra int system checkeda nd repair edimmediat elyataq ualif iedspec ialistworks hop. Re
cogni tionofar estra int system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen thei gnition isswitc hedon.
R The 0075 restra int system warning lam plight supc ontin uousl yorrepeat edlyduring ajour ney. #
Con sult aqualif iedspec ialistworks hop immediat ely.
0075
Front LeftMalfuncti on
Servi ceRequire d(exa mp le) *T
hecor responding restra int system ismalfunct ioning(/page34). &
WARNIN GRisk ofinju rydue tomalfu nctions inther estra int system
If th er estraint system ismalfunct ioning,restra int system com ponen tsma ybetrigg ered unint entionally orma y
no td eplo yasintended during anacciden t.This mayaffect theE mer gency Tensi oni ng Device sorairba gs, for
ex am ple. #
Have ther estra int system checkeda nd repair edimmediat elyataq ualif iedspec ialistworks hop. Displa
ymessag esand warning/ indic ator lam ps 493

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Re cogni tionofar estraint system malfunct ion:
R The 0075 restra int system warning lam pdoes notlight upwhen thei gnition isswitc hedon.
R The 0075 restra int system warning lam plight supc ontin uousl yorrepeat edlyduring ajour ney. #
Con sult aqualif iedspec ialistworks hop immediat ely.
0075
Left Side Curta inAirbag
Malfu nction Service
Req uired(exa mp le) *T
hecor responding windowcurtai na irba gism alfu nctio ning(/page 34). &
WARNIN GRisk ofinju ryor fata linj ur yd ue tomalfu nctions inthew indo wairbag
If th ew indo wairbag ismalfunct ioning,itmight betrigg ered unint entionall yorm ight notb etrigg ered atall in
th ee vent ofan acci dent with high deceler ation. #
Have thew indo wairbag checkeda nd repair edimmediat elyataq ualif iedspec ialistworks hop. #
Consult aqualif iedspec ialistworks hop immediat ely.
Front Passeng erAirb agDis-
ab led See Operator 'sMan-
ua l *T
hefront passeng erairbag hasbeen disabl edeve nthough anadult orap erson witha na dult statur eiso nthe front
passeng erseat. Ifadditional forc es area pplied tothes eat, thew eight thes ystemd etects maybetoo low. &
WARNIN GRisk ofinju ryor fata linj ur yd ue toad isable dfront passe nger airbag
If th ef ront passeng erairbag isdisabled, thef ront passeng erairbag willnotb ed eplo yedi nt he event ofan acci‐
dent andcann otper form itsintended protect ivef unc tion . 49
4
Displa ymessag esand warning/ indic ator lam ps

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang ethe location oftheS mar tKey inthev ehicle. #
Place theS mar tKey inthem arke ds pace fors tartin gt he engine withthe Smar tKey (/ pag e173).
Á
Don't Forget YourKey *A
warning tone also sou nds. Thism essage reminds yout ot akey our keyw ithy ou when youl eave thev ehicle. Lights
Displa
ymessag es
Possible causes/conseq uencesand0050 0050
Solutions
0049 Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisfaulty . #
Driveo ncarefull y. #
Con sult aqualif iedspec ialistworks hop immediat ely.
% LED lightbulbs: thed ispla ymessag efor thec orresponding lampappea rsonl yw hen allthel ight-emitt ingdiodes
in thel am parefaulty . 498
Displaym essag esand warning/ indic ator lam ps

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
0049 Malfunct ionSee Opera-
tor’s Manual *T
heexterior lighting ismalfunct ioning. #
Consult aqualif iedspec ialistworks hop.
0049 Automatic HeadlampMode
Inoperative *T
helight sensor ismalfunctionin g. #
Consult aqualif iedspec ialistworks hop.
0049 Act ive Headla mpsInopera-
tive *T
heactiv eheadla mpsaremalfunctioning. #
Consult aqualif iedspec ialistworks hop.
0049 Switch OnHeadla mps *Y
ouared riving without low- beam headlam ps. #
Turn thel ight switc htot he 0058 or0058 position. Displa
ymessag esand warning/ indic ator lam ps 499

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
0049 Switc hOffLights *Y
ouarel eaving thev ehicle andthel ights ares tills witc hed on. #
Turn thel ight switc htot he 0058 position.
0049 Int ell. Light System Inoper-
ative *T
heIntellig entLight System isfaulty .The light ingsystem continues tofunction proper lywit hou tthe function sof
th eI ntellig entLight System. #
Consult aqualif iedspec ialistworks hop.
Adaptive Highbeam Assist
Currently UnavailableSee
Operator's Manual *A
dap tiveH ighbeam Assistist em por arilyu navailable.
The system limits have been reac hed (/page153). #
Driveo n.
Once thec ause ofthep roblem isno long erpresent ,the system will beavailable again. TheAdap tiveH ighbeam
As sist Now Available displaymessag ew illappear .
Adap tiveH ighbeam Assist
In oper ative *A
daptiveH ighbeam Assistism alfunc tioning. #
Consult aqualif iedspec ialistworks hop.
Adaptive Highbeam Assist
Camera ViewRestricted
See Operator's Manual *T
hecamer aviewi srestrict ed. Possible causes are:
R Dirtonthe windshield inthec amer a'sfield ofvision 500
Displa ymessag esand warning/ indic ator lam ps

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions #
Drivec arefull yonas uitable stre tcho froad, making slightsteer ing movements atas peed above19 mp h
(30 km/ h). #
Ifth ed ispla ymessag edoes notd isappear ,con sult aqualif iedspec ialistworks hop immediat ely.D rive car efully .
0025
00E5
Inoperative SeeOperator's
Manual *
ABS andESP®
arem alfunctioning.
Ot her driving systems anddriving safetys ystems mayalso bemalfunct ioning.
The brak es ystemw illcon tinue tooper aten ormally .Braking distance mayincr ease inan eme rgency braki ng situa ‐
tio n. &
WARNIN GRisk ofskid ding ifABS andESP®
arem alfuncti oning
If ABS andESP®
arem alfuncti oning,the wheels couldlockw hen braking andESP®
cann otcar ryout vehicle
st abiliz ation.
The steer ing capability andbraking charact eristic sa rethus severely impa ired .The brakin gdista nce inan eme r‐
ge ncy braki ng situa tionc an incr ease. Inadditio n,other driving safetys ystems ares witc hed off. #
Driveo ncarefull y. #
Have ABS andESP®
ch eckedi mmediat elyataq ualif iedspec ialistworks hop. #
Driveo ncarefully . #
Consult aqualif iedspec ialistworks hop immediat ely. 528
Displa ymessag esand warning/ indic ator lam ps