check engine MERCEDES-BENZ S CLASS 2022 User Guide

&
WARNIN GRisk ofexplosion during
ch argin gpr oce ssand star tin gassis tance
Dur ing thech argin gpr oce ssand star tin g
assis tance, thebatt eryma yre lease anexplo‐
siv ega smixtur e. #
Avoid fire ,open flames ,cr eat ing spar ks
and smoking. #
Mak esur eth er eis suf ficie ntventil a‐
tio n. #
Donotle an ove ra batt ery. &
WARNIN GRisk ofexplosion from afro‐
zen battery
A disc hargedbatt eryma yfreeze attemp era‐
tur es slightl yabo veorbelo wfreezing point.
Dur ing star tin gassis tance orbatter ych arg‐
ing ,bat tery gascan bereleased. #
Alw aysallo wabatt eryto thaw before
ch argin git or per form ing star tin gassis ‐
ta nce. If
th eindicat or/warning lampsintheins trument
clus terdo notlig ht up atlow temp eratur es,itis
ve ry likelyth at thedisc hargedbatt eryhas fro‐
zen .In this case youma yne ither jump-start the
ve hicle norcharge thebatt ery.
The service life of abatt eryth at has been
th awe dma ybe dramaticall yshor tened .The
st ar tin gch aract eristic sma ybe impair ed,espe ‐
ciall yat low temp eratur es.
It is recomme ndedthat youha ve ath aw ed bat‐
te ry checkedat aqu alif ied spec ialistwo rkshop.
All vehicl es
* NO
TEDama gecau sed bynum erou sor
ex tende datt em ptsto star tth eengine Nu
me rous orextende datt em ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-co mbusted fuel. #
Avoid numer ousand extende datt em pts
to star tth eengine. Obser
vethefo llo wing pointsdur ing star tin g
assis tance and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cables/c harg‐
ing cables withasuf ficie ntcross -secti onand
insu late dte rm inal clam ps.
R Non-insulat edpar tsof thete rm inal clam ps
mus tno tcom eint ocon tact with other metal
par tswhile thejum per cable/c harging cable
is con nect edtothebatt ery/jum p-start con‐
nectio npoi nt.
R The jumper cable/c harging cable mustno t
com eint ocon tactwi th anypar tswhic hma y
mo vewhen theengine isrunning .
R Alw aysmak esur eth at nei ther youno rth e
batt eryis elect rostatic allych arge d.
R Keep away from fire and open flames .
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing pointswhen
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
appr oved forMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc‐
tions beforech argin gth ebatt ery. 352
Breakdo wnassis tance

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key Being Initialized Please
Wait *T
hevehicle isprocessing inorder toteac hin thene wSmar tKey . #
Waitunt ilpr oces sing iscom plete.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *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 e18 2). Lig
hts Dis
playmess ages
Possible causes/conseq uencesand0050 0050
Solutions
: Check LeftLow
Beam (exa mp le) *T
hecor responding lightsourceisdef ectiv e. #
Drive on car efully . #
Visit 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 . Dis
playmes sagesand warning/ indic ator lam ps 50
1

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions *T
hedriver displa yis inoper ativedue toafa iled softwareupdat e.
The displa ymess ageis sho wneverytim eth eengine isstar ted. &
WARNIN GRisk ofacci dent dueto adr iver displa ymalf unction
If th edr iver displa yhas failed ormalfun ctioned ,th efunc tion restrictions applying tosaf etyre leva nt systems are
no tvisible.
The oper ating safetyof your vehicle maybe impair ed. #
Drive on car efull y. #
Have theve hicle checkedimmediat elyataqu alif ied spec ialistwo rkshop. If
th eoper ating safetyof your vehicle isim pair ed,parkth eve hicle immediat elyand safely.Cont actaqu alif ied spe‐
cialis two rkshop.
If th edr iver displa yfa ils, youma yno tre cogni zefuncti onrestrictions affecting systems releva nt tosaf etyor the
speed display,forex am ple. Theoperatin gsaf etyof theve hicle maybe impair ed(/ page295). #
Have theve hicle checkedby aqu alif ied spec ialistwo rkshop immediat ely. Dis
play messa gesand warning/ indic ator lam ps 505

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Ifth edispla ymessag eappear sre gular ly,contact aqu alif ied spec ialistwo rkshop.
00B2
Check Washer Fluid *T
hewasher fluid leve lin thewa sher fluid reser voirhas dropped belowtheminimum. #
Addwa sher fluid (/ page33 4).
00B2 In te ns ive Clean ingActiva-
te dfor 30Sec onds *I
ntensi vecle ani ng ofthewindshield hasbeen activated (/ page16 0).
Wi ndsh ield Wi perMa lfunc-
tio n *T
hewindshield wipersar emalfunctionin g. #
Restar tth eengine.
If th edispla ymessag est ill appear s: #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 51
1

Engine
Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
To switch vehicle off,press
and hold Start/S topbut-
ton foratleast 3secon ds
or press 3times *Y
ouhave pressed thest ar t/ stop butt onwhile theve hicle isin mo tion. #
Information aboutswitchingoffth eengine whiledriving (/page18 2).
Can notStart VehicleSee
Ope rator'sManua l *T
hevehicle canno tbe star ted. #
Switc hth eignition offand switc hit bac kon. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop.
00BD
Check CoolantLevel See
Operator's Manual *T
hecoolant leve lis toolow.
* NO
TEEngi nedama gedue toinsuf ficie ntcool ant #
Avoid long journeys wit hins ufficie ntcool ant. #
Addcoolant (/page334 ). #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop. 51
2
Display messa gesand warning/ indic ator lam ps

Engine
oil Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *T
heengine oilleve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Whe nne xt refuel ing, add 1.1 US qt(1l)of engine oil(/ page332) .
No teson engine oil(/ page489).
00B3
Engine OilLevel ReduceOil
Level *T
heengine oilleve lis toohigh.
* NO
TEEngi nedama gecau sed bydriving withexc ess engine oil #
Avoid long journeys wit hex cess engineoil. #
Consul ta qu alif ied spec ialistwo rkshop immediat elyand have theengine oilleve lre duced.
00B3 En gine OilLevel Stop
Switc hOff Vehicle *T
heengine oilleve lis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. Disp
lay mess ages and warning/ indic ator lam ps 55
1

00BB
ESP®
OFF (/page 566)
H Mercedes -Benz emergency callsy s‐
te m (/ page569)
0077 Ti
re pressur emonit oring system
(/ page569)
0060 Pa
rking light s(/ page14 7)
0058 Lo
wbe am (/ pag e14 7)
0057 Hi
gh beam (/ page14 8)
003E003D Tu
rn signal light(/page14 8)
005E Re
ar foglight (/page14 7) Occ
upant safety Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0075 Re stra int system warning
lam p *T
he redre stra int system warning lam pis lit while theengine isrunning .
The restra int system ismalfunct ioning(/page43). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. #
Drive on car efully . 55
4
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B9 En gine diagnosis warning
lam p *T
he yello wChec kEn gine warning lam pis lit while theengine isrunning .
A ma lfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exc eeded andtheengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p *T
heredelect rical fault warning lam pis lit.
Ther eis afa ult intheelectr ics. #
Notethemessag eson thedr iver's displa y.
00B6
Fu elreser vewarning lam p
fl ashes *T
he yello wfuel reser vewarning lam plight sup while youar edr ivin g.
Ther ehas been press ureloss inthefuel system. Thefuel filler cap isno tclos edcor rectly orthefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Consul ta qu alif ied spec ialistwo rkshop. 560
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00C6 Re cup erati ve Brak eSy stem
wa rning lam p(US Aonl y)
004D
Brak eswarning lam p(yel‐
lo w) (Canada only) *
The yello w00C6 warning lam p(US Aonl y)or theye llo w004D brak es warning lam p(Canada only)islit while the
engine isrunning . &
WARNIN GRisk ofan acci dent dueto abr ak esy stem malfunct ion
If th ebr ak esy stem ismalfunct ioning,braking charact eristic sma ybe impair ed. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. The
hillstar tassis tma ybe malf unctionin g. #
Adjus tyo ur spee dand drive on car efull y,lea vingasuit able distance totheve hicle infront. #
Ifth edr iver's displa ysho wsadispla ymes sage,obse rveit. #
Consult aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 563

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distance mayincr ease. Inaddi‐
tio n,other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 00E5
ESP ®
wa rning lam pflashes *
The yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
One ormor ewheels have reac hed their grip limit (/page21 3). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s.
00E5 ES P®
wa rning lam plight s
up *
The yello wES P®
wa rning lam pis lit while theengine isrunning .
ESP ®
is mal func tioning .
Ot her drivi ng systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. #
Notethemessag eson thedr iver displa y. &
WARNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 56
7