2019 MERCEDES-BENZ S-CLASS SEDAN & MAYBACH check engine

if
th ey come intocont actwith hotpar tsof
th eengine orexhaus tsy stem. #
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. #
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. #
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. #
Shif tth etra nsmiss iontoposition 005Dor005C. 16
8
Driving and parking

#
Dep ress thebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. #
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. #
Makesur eth at mar kedspace 2isem pty. #
Remo veSmar tKey 1 from theSmar tKey
ri ng. #
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. #
Have Smar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop. If
th eve hicl edoes notst ar t: #
Lea veSmar tKey 1 inmar kedspace 2. #
Depr essthebr ak epedal andstar tth eve hicle
using thest ar t/ stop butt on.
% 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
% 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. Dr
ivin gand parking16
9

Ins
trum ent Disp layove rview &
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. #
Drive on car efull y. #
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.
Plu g-inhy brid: obser vetheno tesin theSupple‐
ment .Ot her wise, youma yfa ilto recogni zedan‐
ge rs.
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
% 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 (→ pag e200 ) R
ActiveDis tance AssistDIS TRONI C
(→ page 203)
Ve hicl eswith Traf fic Sign Assis t:De tected
ins tructi ons and traf fic sig ns willap pea ron the
speedome ter(→ pag e239).
* NO
TEEngi nedama gedue toexcess ively
hig hengi nespe eds The
enginewillbe damag edifyo udr ive wit h
th eengine intheov errevving rang e. #
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). Ins
trument Displayand on-bo ardcom puter 25
1

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. #
Notedown theser vice duedatedispla yedon
th eins trument displaybef orediscon necting
th ebatt ery(→ pag e395). 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 &
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. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedinthe
fo llo wing. #
With your han dflat, push down active hood
1 inthear ea around thehing eson both
sides (arrow s).
The hood musteng agein position. #
Ifth eactiv ehood canberaised slight lyat
th ere ar inthear ea ofthehing es,repeat the
st ep until iteng ages cor rectl y. 396
Maintenanc eand care

Engine
oil Chec
kingtheengine oilleve lusing theoil
dip stick &
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. #
Letth eengine cooldown and only
to uc hth ecom ponen tpar tsdescr ibed
as follo ws . Plug-in
hybrid: obser vetheno tesin theSupple‐
ment .Ot her wise, youma yfa ilto recogni zedan‐
ge rs.
Re quirement s:
R The engin emus tha ve an oildips tick.Ifno t,
th eengine oilleve lcan becheckedonl ywit h
th eon- boar dcom puter(→ pag e399).
Depen dingontheengine, theoil dips tickma ybe
ins talled intheengine compartmen tin dif fere nt
lo cati ons. The
waitin gtim ebef orech ecking theoil leve l
when theengine isat nor mal oper ating temp era‐
tur eis five minut es. #
Park theve hicle onaleve lsur face. #
Pulloil dips tic k1 outand wipe off. #
Slowly slide oildips tic k1 intoth eguide
tube tothestop, and pullitout again afte r
appr oximat elyth re esecon ds.
R Oilleve lis cor rect:oil leve lis be tween 2
and 3.
R Oilleve lto olow: oil leve lis at 3 or
belo w.
R Oilleve lto ohigh: oilleve lis abo ve2 . #
Ifth eoil leve lis toolow, add 1.1 US qt
(1 liter) ofengine oil. #
Ifth eoil leve lis toohigh, have theex cess
engi neoilremo vedas soon aspossible ata
qu alif ied spec ialistwo rkshop.
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. Maint
enanc eand care399

R
Park theve hicle onaleve lsur face.
R Lea vetheengine running atidle spe ed.
On-bo ardcom puter:
, Service.
Engine OilLeve l
Yo uwil lsee one ofthefo llo wing messa gesin
th emu ltifunct iondisp lay: #
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. #
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. #
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. #
Red uce Engine OilLevel andthebar displa y
fo rindica tingtheoil leve lin themultifunc tion
displa yis orang eand isabo ve"max ":drain of
fth eexc ess engine oil.Consult aqu alif ied
spec ialistwo rkshop. #
For Engine OilLevel Switch Ignition On:
switc hon theignition tocheckth eengine oil
le ve l. #
Engine OilLeve lSyst emInoperat ive:sensor
def ective or notinse rted. Consult aqu alif ied
spec ialistwo rkshop. #
Engine OilLevel System Currently Unavail.:
close thehood.
Ad ding engine oil &
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. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedinthe
fo llo wing. &
WARNIN GRisk offire and injuryfrom
eng ineoil
If eng ineoilcom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Mak esur eth at no eng ineoilisspille d
ne xt to thefiller open ing. #
Allo wtheengine tocool offand thor‐
oughl yclean theengine oilfrom com po‐
nen tpar tsbef orest ar tin gth eve hicle. *
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotus eengi neoilsor oil filt er s
whic hdo notcor respond tothespecif i‐
cation sex plicitl ypr escr ibed forth e
ser vice interva ls. #
Donotalt er theengine oiloroil filt er in
or der toachie velong erchang eint erva ls
th an presc ribed. #
Donotuse additiv es. 400
Maintenanc eand care

#
Park theve hicle onaleve lsur face. #
Checkth ecoolant temp eratur edispla yin the
ins trumen tclus ter.
The coolant temp eratur emus tbe belo w
15 8°F (70 °C). #
Ifnecessa ry,re mo vetheco ver. #
Slowly turncap 1cou nter-cloc kwiseto
re lie ve ove rpressur e. #
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. #
Ifnecessar y,add coolant that has been
appr ovedby Mer cedes-Ben z.
R Further information oncoolant :
(→ pag e47 2) Ad
ding washer fluid tothewindsh ield
wa sher 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. #
Letth eengine cooldown and only
to uc hth ecom ponen tpar tsdescr ibed
as follo ws . &
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. #
Beforeopen ingthehood, allowthe
engine tocool down. #
Intheeve ntofafire intheengine com‐
par tmen t,ke ep thehood closed and
call thefire ser vice. &
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. 402
Maintenanceand care

#
When giving star tin gassis tance, alwa ys
mak esur eth at youon lyconnect bat‐
te ry term inals withident icalpolar ity. #
Dur ing star tin gassis tance, youmus t
obse rveth edescr ibedorder forcon‐
necting anddisconnecting thejum per
cables. #
Donotcon nect ordiscon nectthebat‐
te ry cla mp swhile theengine isrunning . &
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 at ther eis suf ficie ntventi‐
la tio ndu ring thech argin gpr oce ssand
dur ing star tin gassis tance. #
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 gasma ybe released. #
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
* 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 . 42
2
Brea kdo wnassist anc e