2022 MERCEDES-BENZ S CLASS check engine

Closing
thehood
* NO
TEDama getothehood If
th ehood isclosed manually ,th er eis arisk
of dents. #
Donotclose thehood manuall y. #
Lowe rth ehood toaheigh tof aroun d8 in
(20 cm)and then allo witto fall, appl ying a
litt leforc eas youletit go. #
Ifth ehood canstill be lifte dslightl y,open
th ehood again and close itwit halittle more
fo rc euntil iteng ages cor rectl y. Engine
oil Chec
kingtheengine oilleve lwit hth edr iver
disp lay
Re quirement s:
R The engin ehas been warmed up.
R The vehicle ispar kedon aleve lsur face.
R The engineisrunning atidle spe ed.
R The hoodis clo sed . The
engineoille ve lis de term ined during drivin g.
De term inin gth eengine oilleve lcan take up to
30 minut eswit hanor mal driving style and even
long erwit han act ive dr ivin gst yle.
Dr iver displa y:
4 Service
The engine oilleve lis sho wn.
One ofthefo llo wing mess ages will appear on
th edr iver displa y:
R Engine OilLevel Measuring Now…:measur e‐
ment oftheoil leve lis no tye tpo ssi ble. #
Repeat there qu estaf te ra maximu mof
30 minut es'driving.
R Engine OilLevel OKand thebar displa yfo r
indic atingth eoil leve lon thedr iver displa yis
gr een and isbe tween "min" and"max": the
oil leve lis cor rect.
R Engine OilLeve lRefill 1,0liq.gal. andthebar
displa yfo rindica tingtheoil leve lon the
dr iver displa yis ye llo wand isbelo w"min": #
Add1.1 US qt(1l)of engine oil. R
Engine OilLevel Reduce and thebar displa y
fo rindica tingtheoil leve lon thedr iver dis‐
pla yis ye llo wand isabo ve"max ": #
Drain offan yex cess engineoilthat has been
added. Todo so, con sult aqu alif ied spec ialist
wo rkshop.
R For Engine OilLevel Switch OnIgnition #
Switc hon theignition tocheckth eengine oil
le ve l.
R Engine OilLeve lSyst emInoperat ive:The oil
le ve lsen sor isdef ective or notcon nected. #
Consult aqu alif ied spec ialistwo rkshop.
R Engine OilLevel Currently Unavailable #
Close thehood.
Re filling engine oil &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntpar tsintheengine com‐
par tmen tcan bevery hot,e.g. theengine,
th ecooler andpartsof theex haus tsy stem. 332
Maintenanc eand care

Chec
kingthecoolant leve l &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntpar tsintheengine com‐
par tmen tcan bevery hot,e.g. theengine,
th ecooler andpartsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GRisk ofscal ding from hot
cool ant
If yo uopen thecap, youco uld bescalded. #
Letth emo torcool down beforeopening
th ecap. #
When opening thecap, wearprotect ive
gl ove sand safetygl asses . #
Open thecap slowlyto release pres‐
sur e. #
Onlyha ve thecoolant checkedor refilled ata
qu alif ied spec ialistwo rkshop. Re
filling thewindsh ieldwasher system &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntpar tsintheengine com‐
par tmen tcan bevery hot,e.g. theengine,
th ecooler andpartsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highl y
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. #
Remo vecap 1bytheta b. #
Addwa sher fluid.
% Further information aboutthewindshield
wa sher fluid (/ page49 1) 33
4
Main tenance andcare

&
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