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

Engine
Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
ÿ Coolant warning lam p The
redc oolant warning lam pislitwhile thee ngine isrunning .
*P oss ible cau ses:
R The temp eratur esensor ismalfunct ioning
R Coolant leve ltoo low
R The airsuppl ytot he radiat orisobs truct ed
R The radiat orfani sfaulty
If th er ei sa na dditional warning tone, thec oolant temp eratur ehasexceed edthem aximum permissible temp eratur e. &
WARNIN GDang erofburnsw hen opening theh ood
If yo uo pen theh ood when thee ngine hasoverheat edordur ing afirei nt he engine compartment, youc ould
co me intoc ontact wit hh otgases orother escaping operating fluids. #
Beforeo pen ingtheh ood, allowthe engine tocool down. #
Inthee vent ofafirei nt he engine compartment, keep theh ood closed andcallthef ires ervice. #
Stop thev ehicle immediat elyinaccor dance withthe traf ficc ondi tions andswitcho ffthee ngine. Donotc ontinue
dr iving under anyc ircums tances. #
Notethem essag eson them ultifunc tiondispla y.
If th ec oolant temp eratur edispla yisa tthe lowe rend ofthet em per atur escale: Displa
ymessag esand warning/ indic ator lam ps 54
5

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Consult aqualif iedspec ialistworks hop.
or #
Exit thev ehicle andkeep asafed ista nce from itunti lthe engine hascooled down. #
Chec kthe coolant leve l(/ pag e413). #
Mak esuret hat thea irsupply tother adiat orisno timp aired. #
Avoiding highloads onthee ngine, drivet ot he near estq ualif iedspec ialistworks hop. Indoing so,ensur ethat the
cool anttemp eratur edispla yremain sbelo wt he reda rea.
00B9 En gine diagnosis warning
lam p The
yello wC heckEngine warning lam pislitwhile thee ngine isrunning .
*A malfunctio nhasoccu rred inthee ngine, thee xhau stsystem orthef uel system.
The emission limitvalues maybee xceed edand thee ngine maybeine mer gency mod e.
In som estates, leg alrequ iremen tsstipulat ethat youm ustimm ediat elyc onsul taq ualifiedspec ialistworks hop as
soon asthey ello wC heckEngine warning lam plight sup. #
Have thev ehicle checkeda ssoon aspossible ataq ualif iedspec ialistworks hop.
003D Electr icalmalfunction warn‐
ing lam p The
rede lect rical mal functi onwarning lam pislit.
*T her eisam alfunction inthee lectr ics. #
Obser vethem essag eson them ultifunc tiondispla y. 54
6
Dis play messa gesa nd warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B6 Fu elreser vewarning lam p The
yello wf uel reser vewarning lam plight supw hile drivin g.
*Ther ehasbeen pressur eloss inthef uel system. Thefuel filler cap isno tc losed correctly orthef uel system isleak‐
ing. #
Close thef uel filler cap.
If th ef uel filler cap hasalready been closed correctl y: #
Visit aq ualif iedspec ialistworks hop.
00B6 Fu elreser vewarning lam p The
yello wf uel reser vewarning lam pislitwhile thee ngine isrunning .
*T he fuel supply hasdropped intot he reser verang e. #
Refuel . Displ
aymessa gesa nd warning/ indic ator lam ps 54
7

Br
ak es Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0049 Re dindicat orlam p,elect ric
par kingb rake applied (USA
onl y)
0024 Re dindicat orlam p,elect ric
par kingb rake applied (Can‐
ada only)
0024 Ye llo we lect ricp arkin g
br ak ei ndic ator lam pism al‐
func tioning The
rede lect ricp arkin gb rake indic ator lam pflashes orislit. The yello wi ndic ator lam pisa lso litifth ee lectr icpar king
br ak em alfunct ions.
* #
Obser vethem essag eson them ultifunc tiondispla y. 54
8
Dis play messa gesa nd warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0027 Br ak ew arning lamp(US A)
004D Brak eswarning lam p(Can‐
ada) The
redb rake system warning lam pislitwhile thee ngine isrunning .
*P oss ible cau ses:
R The brak ef orce boos tingismalfunct ioningandtheb raking charact eristic sm aybe affect ed.
R The reisinsuf ficie ntbrak ef luid intheb rake fluid reser voir. &
WARNIN GRisk ofacci dent andinjuryifbr ak ef orce boos tingismalfunct ioning
If br ak ef orce boos tingismalfunct ioning,increased brak ep edal forc em aybe neces saryfor braking .The braking
ch aract eristic sm aybe impair ed.The brakin gdista nce canincrease ineme rgency braki ng situa tions. #
Stop inas afel ocation immediat ely.D on otcont inue driving. #
Consult aqualif iedspec ialistworks hop. &
WARNIN GRisk ofan acci dent duet olow brak ef luid leve l
If th eb rake fluid leve list oo low, theb raking effect and theb raking charact eristic sm aybe impair ed. #
Pull overand stop thev ehicle safely assoon aspossible, paying attention toroad and traf ficc ondi tions .Do
no tc ontinu edrivi ng und eranyc ircums tances. #
Consu ltaq ualif iedspec ialistworks hop. #
Donota dd brak ef luid. #
Stop thev ehicle immediat elyinaccor dance withthe traf ficc ondi tions .Don otcontinu edrivi ng und eranyc ircum‐
st anc es. Dis
playm essag esand warning/ indic ator lam ps 54
9

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Notethem essag eson them ultifunc tiondispla y. #
Con sult aqualif iedspec ialistworks hop. Dr
iving systems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
L Wa rning lam pfor dis tance
wa rning func tion The
redd istan cewarning lam plight supw hile thev ehicle isin mo tion.
*T he distance tothev ehicle infront istoos mall fort he speed selected.
If th er ei sa na dditional warning tone, youa reappr oachingano bstacle attooh igh aspeed. #
Beprepar edtobrak ei mmediat ely. #
Incr ease thed ista nce.
Fu nctio nofActiv eBrake Assi st(/ pag e205).
ä Suspens ionwarning lam p The
yello wA IRMA TIC/A ctiveB ody Cont rolw arning lampislit.
*A malfu nction hasoccur redw ithA IRMA TIC/A ctiveB ody Cont rol. #
Notethem essag eson them ultifunc tiondispla y. 550
Displa ymessag esand warning/ indic ator lam ps

Dr
ivin gsafet ys ystems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p The
yello wA BSwarning lam pislitwhile thee ngine isrunning .
*ABS isma lfunctio ning.
If th er ei sa na dditional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetys ystems mayalso bemalfunct ioning. &
WARNIN GThe reisar isk ofskid ding ifEBD orABS ismalf unct ioning
If EBD orABS ismalf unct ioning, thew heels mayloc kw hen braking.
The steer ing capability andbraking charact eristic sa rethus severely im pa ired .The brakin gdista nce inan eme r‐
ge ncy braki ng situa tionc an increase .Ina dditio n, other driving safetys ystems ares witc hed off. #
Driveo ncarefull y. #
Have theb rake system checkedi mmediat elya taq ualifiedspec ialistworks hop. #
Driveo ncarefully . #
Notethem essag eson them ultifunc tiondispla y. #
Visit aq ualif iedspec ialistworks hop. Displa
ymessag esand warning/ indic ator lam ps 55
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E5 ESP ®
wa rning lam pflashes The
yello wE SP®
wa rning lam pflashes whilethev ehicle isin mo tion.
*O neormor ewheelsh asreac hed itsgrip limit (/page202). #
Adapty our driving stylet os uit ther oad andweather condition s.
00E5 ES P®
wa rning lam plight s
up The
yello wE SP®
wa rning lam pislitwhile thee ngine isrunning .
* ESP ®
is mal func tioning .
Ot her drivi ng systems anddriving safetys ystems mayalso bemalfunct ioning. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcarry out vehicle stabiliz ation.Inaddit ion,other driving safetys ystems
ar es witc hed off. #
Driveo ncarefull y. #
Have ESP ®
ch eckeda taq ualifiedspec ialistworks hop. #
Driveo ncarefully . #
Notethem essag eson them ultifunc tiondispla y. #
Con sult aqualif iedspec ialistworks hop. 552
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00BB ESP ®
OFF warning lam p The
yello wE SP®
OFF warning lam pislitwhile thee ngine isrunning .
* ESP ®
is de acti vated. &
WARNIN GRisk ofskid ding whe ndrivi ng with ESP ®
de acti vated
If ESP ®
is deactiv ated, ESP ®
canno tcarry out vehicle stabiliz ation.The availabilit yoffur ther driving safetys ys‐
te ms isals olimi ted. #
Driveo ncarefull y. #
Onlydeactiv ateE SP®
fora slong asthes ituation requ ires.
If ES P®
can notb ea ctivat ed, ESP®
is malfun ctionin g. #
Have ESP ®
ch eckedi mmediat elya taq ualifiedspec ialistworks hop. #
Obser vethen otes on deactiv atingESP®
(/ page202). Displa
ymessag esand warning/ indic ator lam ps 553

Ti
re pres sur em onitor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes The
yello wt irep ressur emonitor ing system warning lam p(pressur eloss/ malfun ction) flashes fora pproxima tely one
minut eand then remains lit.
*The tirep ressu remonit oring system isdef ective. &
WARNIN GThe reisar isk ofan acci dent ifth et irep ressur emonit oring system ismalfunct ioning
If th et irep ressur emonit oring system ismalfunct ioning,itis no ta ble toissue awarning ifth er ei sp ressur eloss
in one ormor eofthe tires.
Un der inflated tires ma y,fore xamp le,impair thed riving, steer ing and braking charact eristic s. #
Have thet irep ressur emonit oring system checkeda taq ualifiedspec ialistworks hop. #
Visit aq ualif iedspec ialistworks hop.
0077 Ti re pressur emonit oring
sy stem warning lam plight s
up The
yello wt irep ressur emonitor ing system warning lam p(pressur eloss/ malfun ction) islit.
*The tirep ressur emonitor ing system has detected tirep ress urel ossina tlea st one ofthet ires. &
WARNIN GRisk ofan acci dent duet oinsuf ficie nttirep ress ure
Ti re pressur esthat aret oo lowp ose thef ollo wing hazar ds:
R The tires ma yburst,e speciall yasthe load andvehicle speed increase.
R The tires ma yw ear excessiv elyand/or unevenly, whic hmaygreatl yimp air tiret raction. 55
4
Dis playm essages and warning/ indic ator lam ps