2022 MERCEDES-BENZ S CLASS fuel

Smar
tKey Ov
ervie wof Smar tKey functio ns &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R open doors,ther eb yendang ering other
per sons orroad user s.
R getou tand bestru ck byoncom ingtraf‐
fi c.
R ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R releasing thepar king brak e.
R chang ingthetra nsmiss ionposition .
R star tin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. *
NO
TEDama getotheSmar tKey cau sed
by magne ticfields #
Keep theSmar tKey away from stro ng
ma gne ticfields. Ve
hicle SmartKey wit hpanic alarm
1 Open s/closes thetrunk lid 2
Unlocks (wit hembosse dsur face)
3 Locks
4 Indicat orlam p
5 Panic alar m
% Ifind icatorlam p4 does notlig ht up afte r
pr essing theÜ ors button,thebat‐
te ry iswe ak orposs iblydisc harged. Re place
th ebatt eryas soon aspossible.
Re place theSmar tKey batt ery(/ page75 ).
The Smar tKey loc ksand unlocksth efo llo wing
com pone nts:
R Doo rs
R Fuelfiller flap
R Trunk lid
If th eve hicle isno topened within appr oximat ely
40 seco ndsafte runloc king,itloc ksagain. Anti-
th eftpr otect ion isarmed again.
Do notke ep theSmar tKey toget her withelec‐
tr onic devices orme talobje cts. This canaffect
th eSmar tKey 's functionality . Opening
andclosing 73

Indi
catorlam pof theve hicl eloc king system In
dicat orlam p1 inthetrim on thedr iver's side
fl ashes whentheve hicle isloc kedfrom outside.
In thefo llo wing cases ,indic ator lam p1
re mains off:
R When theve hicle isloc kedfrom inside
R Whils tdr iving Ac
tiv atin g/deac tivatin gthe acoustic lock ing
ve rificat ion signa l Mult
imed iasystem:
4 © 5
Set ting s5
Vehicle
5 Openin g/closin g #
Activateor deacti vate Acou sticLock . Ac
tiv atin g/deac tivatin gthe pani calar m Re
quirement s:
R The ignit ionisswitc hedoff. #
Toactiv ate: press butt on1 forapp rox‐
ima tely one second.
A visual andaudibl ealar mistrigg ered. #
Todeac tivate: briefly pr ess button1 again.
or #
Press thest ar t/ stop butt ononthecoc kpit,
wit hth eSmar tKey insid eth eve hicle. Changing
theunloc kingsettings Po
ssible unlockingfunctions oftheSmar tKey :
R Cen tralunlo cking
R Unloc kin gth edr iver's door andfuel filler flap #
Toswitc hbe tw een settings: press the
Ü ands buttonssimul taneousl yfo r
appr oximat elysix seco ndsuntilth eindicat or
lam pflashes twice.
Op tions ifth eunloc kingfunction forth edr iver's
door andfuel filler flap has been selected:
R Tounlo cktheve hicl ece ntr ally:press the
Ü buttontwice.
R Vehicl eswith KEYLESS-GO :if yo uto uc h
th einner surface ofthedoor handle onthe 74
Opening andclosing

dr
iver's door ,onl yth edr iver's door andfuel
fi ller flap areunlo cked. Deactiv
atingthefunction oftheSm artK ey Ve
hicl eswith KEYLESS-GO :If yo udeac tivate
th efunc tion oftheSmar tKey ,th eKEYLE SS-GO
func tionsar ealso deactiv ated. Access ordrive
au thor ization byKEYLESS- GOisthen no long er
possible withth at par ticular SmartK ey .Ac tivate
th efunc tion oftheSmar tKey so that all its fun c‐
tio ns will again beavailable.
Yo ucan also deac tivateth efunc tion ofthe
Smar tKey toreduce theener gycon sum ption of
th eSmar tKey ifyo udo notuse theve hicle ora
Smar tKey foran extende dpe riod oftime. #
Todeac tivate: press thes buttononthe
Smar tKey twi ce inqu ick succ ession .
The Smar tKey indic ator lam pflashes twice
br ief lyand light sup once. #
Toactiv ate: press anybutt onontheSmar t‐
Ke y.
% When theve hicle isstar tedwit hth eSmar t‐
Ke yin themar kedspace ofthecent ercon ‐ sole,
thefunc tion oftheSmar tKey isaut o‐
matic allyactivat ed (/ page18 2). Re
mo ving /ins ertin gthe eme rgency key Re
mo ving the eme rgency key #
Press release button1.
Em erge ncy key2 ispush edout slightly. #
Fully re mo veemer gency key2. Inser
ting theemer gency key #
Inser temerg encykey2 atmar king 3 until
it en gage s.
% Youcan useeme rgency key2 toatt achth e
Smar tKey toake yring. Re
plac ingthe Smar tKey batt ery &
DANG ER Risk offata linj uries due to
sw allo wing batteries
Batt eries cont aintoxic and corrosiv esub‐
st anc es.Swallo wing batteries ma ycause Openin
gand closing 75

Door
s Un
loc king/opening thedoor sfrom theinsid e #
Tounlo ckand open afront door :pul ldoor
handl e1. #
Tounlo ckare ar door :pul lth ere ar door
han dle. #
Toopen are ar door :pul lth ere ar door han‐
dle again. Cent
rally loc king andunloc kingtheve hicl e
fr om theinsid e #
Tounlo ck:pr ess button 1. #
Toloc k:press butt on2.
The redindicat orlam pon butt on2 lights
up onc eth eve hicle isloc ked.
% The buttons arealso onthefront passeng er
and rear door s. This
does notloc kor unlo ckthefuel filler flap.
The vehicle isno tunloc ked:
R Ifyo uha ve loc kedth eve hicle using the
Smar tKey .
R Ifyo uha ve loc kedth eve hicle using KEY‐
LESS -GO. Loc
king/unloc kingtheve hicl ewith KEY‐
LES S-GO Re
quirement s:
R The Smar tKey isouts idetheve hicle.
R The distance betwee nth eSmar tKey and the
ve hicle does notex ceed 3ft (1 m).
R The driver's door andthedoor onwhic hth e
door handle isused areclosed.
The door handles areex tende dwh en:
R The vehicle isunloc ked
R The vehicle SmartKey isde tected
R Adoo ris ope ned
The doorha ndle sre tract:
R Whentheve hicle isloc ked 78
Opening andclosing

#
Mak esur eth at cup holde r2 isem pty. #
Remo veSmar tKey 1 from theke yring. #
Place Sma rtKe y1 incup hold er2.
The vehicle willstar taf te ra shor ttime.
If Smar tKey 1 isremo vedfrom cup holder
2, theengine continues running .Fo rfur ther
engine star ts,ho we ver,Smar tKey 1 mus t
be locat edincup hold er2 during theent 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 incup holder 2. #
Depr essthebr ak epedal andstar tth eve hi‐
cle using thest ar t/ stop butt on.
% Youcan also switchon thepo we rsupp lyor
th eignition withth est ar t/ stop butt on.
Obser vetheinf ormation rega rding displa ymes‐
sag esthat can bedispla yedon thedr iver dis‐
pla y. St
arting theve hicl evia Remo teOnline Serv‐
ices Cooling
orheating theve hicl eint erior before
st ar ting thejou rney
Ensu rethefo llo wing beforest ar tin gth eengine:
R theleg alstipulation 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 thefuel tank issu fficien tly full.
R thest ar terbatt eryis suf ficie ntly charge d. Char
ging thest ar terbatt erybe fore star ting
th ejou rney
If th eve hicle batteryis disc harged, youcan
re cei veames sageon your smar tphon e.Youcan
th en star tth eve hicle withth esmar tphon eto
ch arge thebatt ery. The vehicle isaut omatically
switc hedoffaf te rte nminu tes.
Ensur 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 full.
St arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. Dr
iving and parking 18
3

*
NO
TEWearing out thebr ak elinings by
continu ously dep ressing thebr ak epedal #
Donotdepr essthebr ak epedal contin‐
uousl ywhils tdr iving. #
Touse thebr aking effect of theengine,
shif tto alowe rge ar ingood time. *
NO
TEDama getothedr ivet ra in and
engin ewhen pulling away #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary.Pull away immed i‐
at ely. #
Avoid high engine speeds anddriving at
full thro ttle untilth eengine hasreac hed
its operatin gte mp eratur e. *
NO
TEDama getothecat alytic converter
due tonon-co mbusted fuel The
engine isno tru nning smoothly and is
misf iring.
Non-c ombus tedfuel mayge tint oth ecat a‐
lyt iccon verter . #
Onlydepr esstheaccelera torpeda l
slig htly. #
Have thecause rectif ied imme diat ely at
a qu alif ied spec ialistwo rkshop. *
NO
TEReduced batterylif e due tofre‐
qu ent shor t-dis tance trip s The
12Vbatt eryma yno tbe suf ficie ntly
ch arge dwhen theve hicle isused onlyfo r
shor t-distance trip s. Thi sre duces thelife of
th ebatt ery. #
Drive long er dist anc esregular lyto
ch arge thebatt ery. No
teson driving witharo of load ,tr ailer or
full ylad envehicl e
When driving withaloa ded roof lugg agera ck or
tr ailer aswellas wit hafull yladen orfull yocc u‐
pied vehicle, theve hicle's driving andsteer ing
ch aract eristic sch ang e. Yo
usho uld bear thefo llo wing inmin d:
R Donotexc eed theper missible roof load and
to wing capac ity.Als oobser vethete ch nica l
da ta inthepr int ed Oper ator's Manual.
R Evenl ydis tribut eth ero of load, andplace
hea vyobject sat thebo ttom. Also comply
wit hth eno teson loadi ngtheve hicle
(/ page12 8).
R Drive att enti vely,and avoidsudden lypulling
aw ay,br aking andsteer ing aswellas rapid
cor ner ing.
No teson driving onsalt- treat edroads
The braking effect islimit edon salt-tr eated
ro ads.
Ther efor e, obse rveth efo llo wing notes:
R due tosalt build-up onthebr ak ediscs and
br ak epads, thebr aking distance canincrease
consi derably orresult inbraking onlyonone
side
R maint ainamuc hgr eat ersaf edis tance tothe
ve hicle infront 18
8
Driving and parking

ECO
Assistanal yzes datafo rth eve hicle's expec‐
te dro ute. This allowsthesy stem tooptimally
adjus tth edr iving style fo rth ero uteahead, save
fuel andrecup erate. Ifth esy stem detects an
eve ntaheadand theve hicle nearsth eev ent ,
EC OAssis twill calculat eth eop timum speedfor
maximu mfuel econom yand recup erati ve ener gy
based onthedis tance, speedand downh ill gr ad i‐
ent. ECO
Assistdispla yon thedr iver's displa yon the
Assi stance menu
1 "Foo tof fth eacceler ator" recomme ndation
2 Routeeve ntahead If
aro uteeve ntthat can bedealt withmor eef fi‐
cie ntly byadjus tingyo ur drivin gst yle is de tected
ah ead, cor responding symbol2will bedis‐
pla yed.
In addition, theý symbol willbedispla yed
unt ilyo uta ke your foot offth eaccelera toror
until youha ve passed thero uteev ent .
Symbol 2will disappear assoon asECOAssis t
cann otident ifyanyfur ther recomme ndations
fr om thero uteahead. The
follo wing routeeve nts can bedetected by
ECO Assist:
3 Round about 4
S-cur ve
5 Sharpcur ve
6 T-int ersect ion
7 Downhill gradien t
8 Vehicle infront
9 Speed limit
% Onlyro uteev ent 8"vehicle infront "will be
displa yedin drive pr ogr am A.
Sy stem limit s
If th ecalculat edrouteis adher edtowhen route
guidan ceisact ive, EC OAs sis twill operat ewit h
gr eat eracc uracy .The basic function isalso
av ailable without active ro uteguidan ce.Notall
inf ormat ionand traffic situ ations canbefore ‐
seen. Thequalit ydepen dson themap data.
EC OAssis tis onl yan aid. Thedriver isresponsi‐
ble forke eping asaf edis tance from theve hicle
in front, forve hicle speed andforbr aking in
good time. 19
2
Driving and parking

%
The prom ptappear son lyifth epr ev iousl y
act ive se ttings deviat efrom thest andar d
se tting s.
Fu nction off:thene xt time theve hicle isstar‐
te dth eA drive pr ogr am issetaut omaticall y.
The ECOstar t/ stop funct ionisactiv ated aut o‐
matically . Displa
yingvehicl edata Mul
timedi asy stem:
4 © 5
Info #
Select Vehicle.
The vehicle datais displa yed. Displa
yingengine data Multimedia
system:
4 © 5
Info #
Select Engine.
The engine datais displa yed.
% The actual (maximum) values that can be
ac hie vedfo rengine outputand engine tor‐
qu ema yde viat efrom thecer tified values wit
hin thecount ry-spe cificgu ideline sfo r
per missible toler anc es(basis: UN-ECE No.
85 orcount ry-spe cificgu ideline s).
Inf luenci ngvariables that can influen cethis
ar e, forex am ple:
R Sea leve l
R Fuelqu alit y
R Out side temp eratur e
R Oper ating temp eratur eof theengine
Please adjustyo ur drivin gst yle accor dingly.
The p warning lam pin theins trument
clus teris on until theengine hasreac hed
operatin gte mp eratur e.
% The values displa yedser veonl yas orient a‐
tion. Thevalues forengine outputand
engine torq ue show nin thecent raldispla y
ma yde viat efrom theactual values.
% p todispla yth epo we rre duction afte r
engine star tis no tav ailable inall vehicle
models. Calling
upthefuel consum ption indicat or Multime
diasystem:
4 © 5
Info #
Select Consumpt ion.
The current and average fuel consum ption is
displa yed. Au
tomatic trans mis sion DI
REC TSE LECT leve r Fu
nction oftheDIRECT SELECT leve r &
WARNIN GRisk ofacci dent dueto inc or‐
re ct gearshif ting
If th eengine speedishigher than theidle
speed andyouen gage thetransmission posi‐
tion 005Bor005E, theve hicle mayacceler ate
shar ply. #
Ifyo uen gage thetransmission position
005B or005E when theve hicle isat a
st ands till,alw aysdepr essthebr ak e
pedal firm lyand donotacc eler ateat
th esame time. Dr
iving andparking 19
5