check engine MERCEDES-BENZ S-CLASS COUPE 2019 Owner's Manual

The
child can notbe restra ined intheeve ntof
an acci dent, hea vybraki ng orasu dd en
ch ang eof dir ect ion. 0007
Alw aysre place child restra int systems
immediat elyth at have been damag edor
in vo lved inan acciden t. 0007
Have thesecur ingsystems forth ech ild
re stra int systems checkedat aqu alif ied
spec ialistwo rkshop beforeins talling a
ch ild restra int system again. Av
oiding direct sunli ght 000A
WARNIN GRisk ofburnswhen thech ild
seat isex posed todirect sunlight
If th ech ild restra int system isex posed to
dir ect sunlight orheat, partscould heatup.
Childr encould sufferbur nsfrom these parts,
par ticular lyon metallic partsof thech ild
re stra int system. 0007
Alw aysmak esur eth at thech ild
re stra int system isno tex posed to
dir ect sunlight . 0007
Protect itwit hablank et,fo rex am ple. 0007
Ifth ech ild restra int system has been
ex posed todirect sunlight ,allo witto
cool beforesecu ring ach ild intoit. 0007
Neverlea vechildr enunat tende din the
ve hicle. Obser
vewhen stopping orpar king 000A
WARNIN GRisk ofacci dent andinjury
due tochildr enand animals leftunat ten‐
de din theve hicle
If yo ulea vechildr enand animals unattende d
in theve hicle, they ma ybe ableto setth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Shif ting theaut omatic transmission out
of par kposition 005D.
R Startin gth eengine.
In addition, they ma yoper ateve hicle equip‐
ment andbecome trapped. 0007
Neverlea vechildr enand animals unat‐
te nde din theve hicle. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 000A
WARNIN GRisk offata linj urydue to
ex posur eto extreme heat or col din the
ve hicle
If people –par ticular lych ildr en–ar e
ex posed toextreme temp eratur esover an
ex tende dpe riod oftime, ther eis arisk of
ser ious oreve nfa ta linj ury. 0007
Neverlea veanyone –pa rticular lych il‐
dr en –unat tende din theve hicle. 0007
Neverlea veanim alsintheve hicle unat‐
te nde d. Occu
pant safety 47

if
th ey come intocont actwith hotpar tsof
th eengine orexhaus tsy stem. 0007
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s:
R The Smar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged. 0007
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R youopen thedr iver's door
R youpr ess button1 twice. 0007
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R youdo notst ar tth eve hicle within
15 minut es.
The transmiss ionisin posi tion 005D.
or
The electr icpar king brak eis app lied.
R youpr ess button1 once . St
arting thevehicl e St
arting thevehicl ewith thest ar t/s topbut‐
to n
Re quirement s:
R The Smar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged. 0007
Shif tth etra nsmiss iontoposition 005Dor005C. Dr
iving andparking 12
7

0007
Dep ress thebr ak epedal andpress butt on
1 onc e. 0007
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. 0007
Ifth eve hicle still does notst ar tand the
Place theKey inthe Marked SpaceSee
Operator's Manualdisplaymessag ealso
appear sin themultifunc tiondispla y:star t
th eve hicle inemer gency operati on mod e.
Yo ucan switchoffth eengine whiledriving by
pr essing button1 forabo utthre esecon ds.Be
sur eto obser vethesaf etyno tesunder "Driving
tips".
St arting theve hicl ein emer gency oper ation
mode
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator 'sManual
displa ymessag eappear sin themultifunc tion
displa y,yo ucan star tth eve hicle inemer gency
op erati on mod e. 0007
Makesur eth at mar kedspace 2isem pty. 0007
Remo veSmar tKey 1 from theSmar tKey
ri ng. 0007
Place Sma rtKe y1 inmar kedspace 2.
The vehicle willstar taf te ra shor ttime.
If yo ure mo veSmar tKey 1 from mar ked
space 2theengine continues running .Fo r
fur ther vehicle star ts howe ver,Smar tKey 1
mus tbe locat edinmar kedspace 2during
th eent ire jour ney. 0007
Have Smar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop. If
th eve hicl edoes notst ar t: 0007
Lea veSmar tKey 1 inmar kedspace 2. 0007
Depr essthebr ak epedal andstar tth eve hicle
using thest ar t/ stop butt on.
0009 Youcan also switchon thepo we rsupp lyor
th eignition withth est ar t/ stop butt on. St
arting theve hicl evia Remo teOnline serv‐
ices Cooling
orheating theve hicl eint erior before
co mmenci ngyour jour ney
0009 This function isno tav ailable inall coun tries.
If yo ustar tth eve hicle viayour smar tphon e,the
pr ev iousl yselec tedair con dition ingadjus tment
is activ e.
En sur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly filled. 12
8
Driving and parking

Ins
trum ent Disp layove rview 000A
WARNIN GRisk ofacci dent dueto an
ins trumen tdispla ymalf unction
If th eIns trument Displayhas failed ormal‐
func tioned,youma yno tre cogni zefuncti on
re strictions applyi ngtosaf etyre leva nt sys‐
te ms.
The oper ating safetyof your vehicle maybe
im pair ed. 0007
Drive on car efull y. 0007
Have theve hicle checkedimmediat ely
at aqu alif ied spec ialistwo rkshop. Mer
cedes‑AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers.
If th eoper ating safetyof your vehicle is
im pair ed,parkth eve hicle safelyas soon aspos‐
sible. Contactaqu alif ied spec ialistwo rkshop. Ins
trument Display 1
Speedome ter
2 Multifunction display
3 Tach ome ter
4 Coolan tte mp eratur ega ug e
5 Fuelleve land fuel filler flap locatio nind ica‐
to r
0009 This displa yis an exam ple. Other displa ys
ar eposs ibleinstead oftach ome ter3.
The segments inspee dome ter1 indica tethe
sy stem status forth efo llo wing:
R Cruise control (0013 page15 9) R
ActiveDis tance AssistDIS TRONI C
(0013 page 162)
Ve hicl eswith Traf fic Sign Assis t:De tected
ins tructi ons and traf fic sig ns willap pea ron the
speedome ter(0013 page19 8).
000E NO
TEEngi nedama gedue toexc essiv ely
high engine speeds The
engine willbedamag edifyo udr ive wit h
th eengine intheov errevving rang e. 0007
Donotdr ive wi th theengine intheove r‐
re vving rang e. The
overrev ving rang eis sho wninredon tach ‐
ome ter3. When theov errevving rang eis
re ac hed, thefuel suppl ywill beinterru pted to
pr otect theengine.
Dur ing normal oper ating conditions ,coolant
te mp eratur edispla y4 mayrise to248°F
(1 20 °C). 21
0
Instrument Displayand on-boar dcom puter

R
freq uent operation inmount ainouste rrain or
on poor road sur faces
R whe nth eengine isoftenleft idling forlong
per iods
R oper ation inpar ticula rly dus tycond ition s
and /orif air -rec ircula tion mod eis freq uen tly
used
In these orsimilar operating conditions ,ha ve the
int erior airfilt er ,engin eair clean er,engin eoil
and oilfilt er etc. chang edmor efreq uent ly.The
tir es mus tbe checkedmor efreq uentl yif th e
ve hicle isoper ated under increased loads. Fur‐
th er information canbeobt ained ataqu alif ied
spec ialistwo rkshop. Batt
erydisconne ctionperiods The
ASSYSTPL US service interva ldisp lay
can onlycalculat eth eser vice dueda te when
th ebat tery isconnect ed. 0007
Notedown theser vice duedatedispla yedon
th eins trument displaybef orediscon necting
th ebatt ery(0013 page336). Engine
compartment Ac
tiv ehoo d(pe des trian protection) Oper
ation oftheact ive hood (pedestrian pro‐
te ction )
In cer tain acc ident situations,th erisk ofinjur y
to pedes trians canbereduced bytheactuation
of theactiv ehood. Therear area ofthehood is
ra ised byappr oximat ely80 mm.
Fo rth edr ive to thewo rkshop, rese tth etrig‐
ge redactiv ehood yourself .Af terth eactiv ehood
has been trigg ered, pedes trian protect ion may
be limit ed.
A qu alif ied spec ialistwo rkshop mustre -ins tate
th efull func tionality oftheactiv ehood.
The activ ehood isno tav ailable inall coun tries.
Re setting theact ive hood 000A
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. 0007
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedinthe
fo llo wing. 0007
With your han dflat, push down active hood
1 inthear ea around thehing eson both
sides (arrow s).
The hood musteng agein position. 0007
Ifth eactiv ehood canberaised slight lyat
th ere ar inthear ea ofthehing es,repeat the
st ep until iteng ages cor rectl y. Maint
enance andcare33
7

Engine
oil Chec
kingtheengine oilleve lwit han on-
boar dcom puter
Re quirement s:
The engin eoil leve 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.
In order torecei veare sult asquickl yas possi‐
ble:
R Warm uptheengine.
R Park theve hicle onaleve lsur face.
R Lea vetheengine running atidle spe ed.
On-bo ardcom puter:
0018 Service0019
Engine OilLeve l
Yo uwil lsee one ofthefo llo wing messa gesin
th emu ltifunct iondisp lay: 0007
Measuring EngineOil Level... :measur ement
of theoil leve lis no tye tpo ssi ble. Re peat the
re qu estaf te ra maximu mof 30 minut es'driv‐
ing. 0007
Engine OilLevel OKand thebar displa yfo r
indic atingth eoil leve lin themultifunc tion
displa yis green and isbe tween "min" and
"max": theoil leve lis cor rect. 0007
Engine OilLeve lAdd 1.0land thebar displa y
fo rindica tingtheoil leve lin themultifunc tion
displa yis orang eand isbelo w"min": add
1. 1 US qt(1liter) ofengine oil. 0007
Red uce Engine OilLevel andthebar displa y
fo rindica tingtheoil leve lin themultifunc tion
displa yis orang eand isabo ve"max ":drain
of fth eex cess engineoil.Co nsul ta qu alif ied
spec ialistwo rkshop. 0007
For Engine OilLevel Switch Ignition On:
switc hon theignition tocheckth eengine oil
le ve l. 0007
Engine OilLeve lSyst emInoperat ive:sensor
def ective or notinse rted. Consult aqu alif ied
spec ialistwo rkshop. 0007
Engine OilLevel System Currently Unavail.:
close thehood. Ad
ding engine oil 000A
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntsin theengine compart‐
ment canbevery hot,e.g. theengine, the
ra diat orand partsof theex haus tsy stem. 0007
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedinthe
fo llo wing. 000A
WARNIN GRisk offire and injuryfrom
eng ineoil
If eng ineoilcom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. 0007
Mak esur eth at no eng ineoilisspille d
ne xt to thefiller open ing. 0007
Allo wtheengine tocool offand thor‐
oughl yclean theengine oilfrom com po‐
nen tpar tsbef orest ar tin gth eve hicle. 34
0
Maint enance andcare

0007
Park theve hicle onaleve lsur face. 0007
Checkth ecoolant temp eratur edispla yin the
ins trumen tclus ter.
The coolant temp eratur emus tbe belo w
15 8°F (70 °C). 0007
Ifnecessa ry,re mo vetheco ver. 0007
Slowly turncap 1cou nter-cloc kwiseto
re lie ve ove rpressur e. 0007
Continue turning cap1count er-cloc kwise
and remo veit.
The coolan tle ve lis cor rect:
R Ifth eengine iscold, uptomar kerbar 2.
R Ifth eengine iswa rm,up to0.6 in(1.5 cm)
ov er mar kerbar 2. 0007
Ifnecessar y,add coolant that has been
appr ovedby Mer cedes-Ben z.
R Further information oncoolant :
(0013 page41 2) Ad
ding washer fluid tothewindsh ield
wa sher system 000A
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. 0007
Letth eengine cooldown and only
to uc hth ecom ponen tpar tsdescr ibed
as follo ws . 000A
WARNIN GDang erofburnswhen open‐
ing thehood
If yo uopen thehood when theengine has
ove rheat edordur ing afire intheengine
com partmen t,yo uco uld come intoco ntact
wit hho tga ses orother escaping operating
fl uids. 0007
Beforeopen ingthehood, allowthe
engine tocool down. 0007
Intheeve ntofafire intheengine com‐
par tmen t,ke ep thehood closed and
call thefire ser vice. 000A
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. 0007
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. 34
2
Maint enance andcare

0007
When giving star tin gassis tance, alwa ys
mak esur eth at youon lyconnect bat‐
te ry term inals withident icalpolar ity. 0007
Dur ing star tin gassis tance, youmus t
obse rveth edescr ibedorder forcon‐
necting anddisconnecting thejum per
cables. 0007
Donotcon nect ordiscon nectthebat‐
te ry cla mp swhile theengine isrunning . 000A
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. 0007
Avoid fire ,open flames ,cr eat ing spar ks
and smoking. 0007
Mak esur eth at ther eis suf ficie ntventi‐
la tio ndu ring thech argin gpr oce ssand
dur ing star tin gassis tance. 0007
Donotle an ove ra batt ery. 000A
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 gasma ybe released. 0007
Alw aysth aw afroz en bat tery out firs t
bef orech argin git or per form ing star t‐
ing assis tance. 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
000E 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. 0007
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 . 36
2
Brea kdo wnassist anc e

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
(Canada only)
Check BrakeFluidLevel 0007
Consult aqu alif ied spec ialistwo rkshop. 0007
Donotadd brak efluid. 0007
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do not
continu edr ivi ng und eranycir cums tances. 0007
Donotad dbr ak efluid. 0007
Con sult aqu alif ied spec ialistwo rkshop.
Rada rSensors DirtySee
Operator's Manual *T
heradar sensor system ismalfunct ioning.Possible causes are:
R Dirton thesensor s
R Hea vyrain or sno w
R Extende dcou ntrydr ivi ng without other traf fic, e.g. inthedeser t
Dr iving systems anddriving safetysy stems maybe malfunct ioningortemp orarily una vailable.
Onc eth ecause ofthepr oblem isno long erpresent ,dr iving systems anddriving safetysy stems willbeavailable
ag ain.
If th edispla ymessag edoes notdisappear : 0007
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions. 0007
Clea nallsenso rs(0013 page349) . 0007
Restar tth eengine. Displa
ymessag esand warning/ indic ator lam ps 423

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Act ive Brake Assist Func-
tions Currently LimitedSee
Operator' sManual Ve
hicl eswithout theDr iving Assistance packag e:Ac tiveBr ak eAssi stistemp orarily una vailable.
The ambien tcon dition sar eouts idethesy stem limits . 0007
Drive on.
As soon astheambient conditions arewit hin thesy stem limits, thesy stem will become available again. 0007
Ifth edispla ymessag edoes notdisappear ,st op theve hicle while paying attention toroad and traffic condi tions
and restar tth eengine.
PRE-S AFEInoper ativeSee
Operator 'sManual *
PRE‑S AFE®
func tionsar emalfunct ioning. 0007
Visit aqu alif ied spec ialistwo rkshop.
Mercedes meconn ect
Services LimitedSeeOper-
ator's Manual *S
ervice limited.
At leas tone ofthemain functionsof theMer cedes meconnect system ismalfunct ioning. 0007
Obser vetheno teson thediagnos ticsconnect ion(0013 page21 ). 0007
Visit aqu alif ied spec ialistwo rkshop.
0053 Inoperative *A
tle as tone mainfunctio nof theMer cedes meconnect system oroftheSOS emer gency callsy stem ismalfunc‐
tion ing. 0007
Visit aqu alif ied spec ialistwo rkshop.
Check BrakePadsSee
Operator's Manual *T
hebrak epads have reac hed thewe arlimit . 430
Displaymes sagesand warning/ indic ator lam ps