2020 MERCEDES-BENZ S-CLASS ECU

#
Donota ctivate theH OLD function. #
Deact ivat et he tow- aw ay alar m(/pag e94). #
Dea ctivateA ctiv eBrake Assi st
( / pag e209). #
Shif tthe aut omatic transmission toposition
005C. #
Release thee lectr icpar king brak e. &
WARNIN GRisk ofacci dent duet olimi‐
te ds afet y-re lat ed func tionsduring the
to wing proce ss
Saf ety-re lat ed func tionsarelimit edorno lon‐
ge ra vailable inthef ollo wing situations:
R thei gnition isswitc hedoff.
R theb rake system orpowe rsteer ing sys‐
te mi sm alfu nctioning.
R thee ner gysupply ortheo n-boar delectr i‐
cal system ismalfunct ioning.
When your vehicle isthen towe da way,signif ‐
icant lymor eeffor tm aybe requ ired tosteer
and brak et han isnor mall yrequir ed. #
Use atow bar. #
Mak esuret hat thes teer ing wheel can
mo vefreely ,befor et ow ing thev ehicle
aw ay. *
NO
TEDama gedue toexcess ivet racti ve
po we r If
yo up ullaway shar ply, thet ractiv epowe r
ma ybetoo high andthev ehicles couldbe
damag ed. #
Pull away slo wlya nd smoo thly. Lo
adi ng the vehicl efor tran spor t #
Obs erve then otes on towing away
( / pag e438). #
Connec tthe towb arto thet ow ing eyet o
load thev ehicle. #
Shif tthe aut omatic transmission toposition
005C.
% The automatic transm ission maybeloc ked
in posit ion005Dinthee vent ofdama getothe electr
ics.Toshif tto005C ,provide theo n-
boar delectr icalsystem withp owe r
( / pag e435). #
Load thev ehicle ontothe transpor ter. #
Shif tthe aut omatic transmission toposition
005D. #
Use thee lectr icpar king brak et os ecur ethe
ve hicle agains trolling away. #
Onlysecur ethe vehicle bythew heels.
Ve hicl eswith ADSP LUS(Ad aptiv eD amping
Sy stem PLUS) &
WARNIN GRisk ofan acci dent when
tr ansp orting vehicles withA dap tive
Dam ping System PLUS
The reduced damping forc es on thev ehicle
being transpor tedc an cause thev ehicle/
tr ailer combinatio ntos tart to swing.
As aresult, whentranspor tingvehicles with
th eA dap tiveD ampingS ystemP LUS,the
ve hicle/tr ailercombination maystart to skid.
Conseq uently,yo uc ouldlose contro lo fyour
ve hicle. Br
eakdo wnassis tance 43
9

#
When transpor ting,ensur ethat :
R The vehicle hasbeen loaded onto
th et ranspor terc orrectl y
R The vehicle issecur edatall four
wheel swiths uitable tensi oni ng
st ra ps
R The maximum permissible speedof
35 mph(60 km/h)isn otexc eeded
when transpor ting *
NO
TEDama getothev ehicle from secur‐
ing itincor rectl y #
Afterl oa ding, thev ehicle mustbe
secur edon allfour wheel s.Ot her wise,
th ev ehicle couldbedamag ed. #
Am inimum distance of4in( 10 cm)
up wa rdsa nd 8in( 20 cm) down wards
mus tbek epttot he transpor tplatf orm. Tr
ans portleve lisn otavailable fort he follo wing
ve hicles:
R Mer cedes- AMGvehicles
R Vehicles withM AGICBO DY CONTR OL %
Depending onthem odel, button1 isloca‐
te di nt he contr olpanel between thes teer ing
wheel andthed rive r's door . #
Toactiv atet ranspo rtleve l:pr ess butt on
1.
Indic ator lam p2 lights up.
The vehicle israised by1.2i n( 30 mm) com‐
par edtothen ormal leve l. #
Press butt on1 again and hold itfora tlea st
fi ve seconds.
The vehicle israised from ther aised leve lto
th et ranspor tleve l.
The transpor tleve lisr eac hed when indicat or
lam p2 flashes andtheMax. Speed 22mph
displa ymessag eappear sint he multifunction
displa y.
The vehicle islowe reda gain inthef ollo wing sit‐
uations:
R When driving faster than 22 mph(35 km/h).
R Afters ele cting adrive progr am using the
DY NA MIC SELE CTswitc h.
The vehicle isthen adjus tedt ot he height of
th el asta ctiv edrive progr am. #
Secur ethe vehicle onallfour wheel safter
loading. #
Todeac tivatet ranspo rtleve l:star tt he
engine whenthev ehicle isat as tands till.
If transpo rtleve lisa ctivat ed, indic ator lam p
2 flashes . 44
0
Brea kdo wnassista nce

*
NO
TEDama getothev ehicle dueto
inc orrect useo fthe towing eye When
atow ing eyei su sed toreco verav ehi‐
cle, thev ehicle maybed amag edinthep roc‐
ess. #
Onlyusethet ow ing eyet ot ow away or
to ws tartthe vehicle. To
w- star ting thev ehic le(em erge ncy engine
st ar t) *
NO
TEDama getothea utomatic trans‐
mission duetotows tartin g The
automat ictransm issionmaybe damag ed
in thep rocess oftows tartin gv ehicles with
aut omatic transmission. #
Vehicles witha utomatic transmission
mus tnotbe tows tarted. #
Vehicles witha utomatic transmission must
no tb etow -sta rted. Electr
icalfuses No
teso ne lectr icalfuses &
WARNIN GRisk ofacci dent andinjury
due tooverloaded lines
If yo um anipulat eorbridg eaf aulty fuseorif
yo ur eplace itwit haf usewithah igher
am per age, thee lectr icline could beove rloa‐
ded.
This could result inaf ire. #
Alwa ys replace faulty fuseswiths pec i‐
fi ed newf uses containin gthe cor rect
am per age. *
NO
TEDama gedue toinc orrect fus es Electr
icalcom pone ntsorsystems maybe
damag edbyinc orrect fus es, ortheir func ‐
tion ality maybesignif icant lyim pair ed. #
Onlyusefuses that have been approved
by Mer cedes-Ben zand whic hhave the
cor rect fus erating. Bl
ow nfuses mu stbe replaced withfuses ofthe
same rating ,which youc an recogni zeby the
colo rand fuserating. Thef user atings andf ur‐
th er information tobe obser vedc an be found in
th ef use assignmen tdiagr am.
* NO
TEDama geormalfunct ionscaused
by mois ture Mois
turem aycause damagetothee lectr ical
sy stem orcause itto malfu nction. #
When thef use boxiso pen, makesure
th at no mois turec an ent erthef use
bo x. #
When closing thef use box,mak esure
th at thes eal ofthel id isposition edcor‐
re ctly onthef use box. If
th en ewlyinser tedf use also blows,have the
cau setrace dand rectif ieda taq ualifiedspec ial‐
is tw orks hop.
Ensur ethe follo wing beforer eplacing afuse:
R The vehicle issecur edagains trolling away.
R Allelectr icalconsu mersaresw itched off. 44
2
Brea kdo wnassista nce

The
tirep ressur etable showsther ecom mende d
tir ep ress ures fora lltir es app rove df or this vehi‐
cle. The recomme ndedtirep ress ures apply for
cold tires und ervarious oper ating condit ions,i.e.
loading and/orspeedofthev ehicle.
If one ormor etires izes precede atirep ressur e,
th et irep ressur einfor mation follo wing isonl y
va lid fort hose tires izes.
The load condit ions"partially laden" and"fully
laden" ared efined inthet able ford iffe re nt num ‐
be rs of passeng ersa nd amounts oflugg age. The
actual number ofseats maydiffe rf romt his. Some
tirep ressur etables onlyshowt he rim
diame teri ns tead ofthec om pletetires ize, e.g .
R1 8.T herimd iame teri sp arto fthe tires ize and
can befound onthet ires ide wall(/ page462).
Be suretoa lso obse rvet he follo wing further
re lat ed subje cts:
R Noteso ntirep ressur e(/pag e448)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page454) R
Max imum tirep ressur e(/pag e461) Chec
kingtirep ressu resm anu ally #
Read thet irep ressur efor thec urrent operat‐
ing cond itions from theT irea nd Loadi ng
In fo rm atio nplacar dorthe tirep ressur e
ta ble. Obser vethen otes on tirep ressur e. #
Remo vethev alvec ap ofthet iret ob e
ch ecked. #
Press thet irep ressur egaug esecurelyo nto
th ev alve. #
Read thet irep ressur e. #
Ifth et irep ressur eislowe rthan ther ecom ‐
men dedvalue, increase thet irep ressur eto
th er ecom mende dvalue. #
Ifth et irep ressur eish igher than ther ecom ‐
men dedvalue, release air.Tod oso,press
do wn them etal pin inthev alve,e.g. using
th et ipof ap en fore xamp le.Then checkt he
tir ep ress urea gain usin gthe tirep ressur e
ga ug e. #
Screwt he valvec ap ont othe valve. 450
Wheels andtires

th
ese arei nstalled onthev ehicle, butdoes not
include passeng erso rlugg age.
Maximum tirel oad: them aximum tirel oad is
th em aximum permissible weight inkilog rams or
lbs forw hich atirei sa ppr ove d.
Maxim umpermissible tirep ressur e:maxi‐
mum permissible tirep ressur efor one tire.
Maxim umload onone tire: maxim umloado n
one tire. This iscalcu lated bydividing them axi‐
mum axleload ofone axle bytwo.
PSI (pounds persquar einc h):st andar dunit of
meas uremen tfor tirep ressu re.
Aspe ctratio :ra tio betwee nt ire height and tire
wi dthi np ercent.
Tir ep ress ure: press urei nsi de thet irea ppl ying
an outw ardf orce toeve rysquar einc ho fthe tire.
The tirep ressur eiss pecif iedinpounds per
sq uar einc h( psi), inkilopascals (kPa)or inbar .
The tirep ressur eshould onlybec orrected whe n
th et ires arec old.
Cold tirep ressur e:thet ires arec old when the
ve hicle hasbeen parkedf or atleas t3h ours wit
hout direct sunli ghtonthet ires orthev ehicle
has been driven forl ess than 1m ile(1.6 km ).
Ti re contact surface: thep arto fthe tiret hat
comes intoc ontact with ther oad.
Ti re bead: thep urpose ofthet ireb ead isto
ensur ethat thet ires its secur elyo nthe wheel
ri m. Ther eareseveralw irec ores inthet ireb ead
to preve ntthet iref romc hanging lengthonthe
whee lrim.
Sid ew all: thep arto fthe tireb etwe en thet read
and thet ireb ead.
We ight ofoptiona lequ ipm ent:th ec ombin ed
we ight oftheo ption aleq uipment weighin gmore
th an ther eplaced standar dparts and morethan
5l bs (2.3k g).T his optional equipment, suchas
high-per form anc ebrake s,leve lc on trol system, a
ro of lugg ager acko rhigh-per form anc ebatteries,
is no tincluded inthec urb weight andthew eight
of thea ccessor ies.
TIN (TireI dentif ication Numbe r):au niqu e
ident ificat ion numb erwhic hcan be used bya
tir em anufactu rert oi dent ifytires, fore xamp le,
in ap roduc trecall, andthus iden tifyt he pur‐
ch aser s.The TINismade upofthem anuf actur‐ er's
identit ycode, tires ize, tiret ype code and
th em anuf actur ingdate.
Load-bear inginde x:thel oad-bear inginde xisa
code that con tains them aximum load-bear ing
capacity ofat ire.
Tr actio n:traction istheg ripr esulting from fric‐
tion between thet ires and ther oad surface.
We arindi cator:nar row bars(tread wearbar s)
th at ared istribut edove rthe tirec ontact surface.
If th et iret read isleve lw itht he bar s,thew ear
limit of1/1 6in( 1.6m m)has been reac hed.
Dis tribut ionofvehicl eoccupants: distribu tion
of vehicle occupants over designat edseat posi‐
tion sinav ehicle.
Maximum permissible payload weight :nom i‐
nal load andluggagel oad plus 150lb( 68 kg)
multip liedb ythe number ofseats inthev ehicle. 466
Wheels andtires

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions
Ap erson inthef ront passeng erseat could then, fore xamp le,com eintoc ontact with thev ehicle's interior ,
especially ifth ep erson issitt ing tooc lose tothec ockpit. #
Mak esure, bo th bef orea nd dur ing thej our ney,that thes tatus ofthef ront passeng erairbag iscor rect. #
Stop thev ehicle immediat elyinaccor dance withthe traf ficc ondi tions . #
Checkt he status ofthea utomatic front passeng erairbag actuation (/page45). #
Ifneces sary,consu ltaq ualif iedspec ialistworks hop immediat ely.
Front Passeng erAirb ag
Enabl edSee Operator 's
Manu al *T
hefront passeng erairbag isenabled whilethev ehicle isin mo tion:
R evenw henac hild, aperson ofsmall statur eorano bject weighin gless than thes ystemw eight thre shold is
locat edon thef ront passeng erseat
R even when thef ront passeng erseat isno to ccupied
The system maydetect objects orforc es that area ddin gtot he weight applied tothes eat. &
WARNIN GRisk ofinju ryor fata linj ur yi fac hildrestra int system isused while thef ront passeng erfront
airbag isenabled
If yo us ecureac hildinac hild restra int system onthef ront passeng erseat andthef ront passeng erairbag is
enabled, thef ront passeng erairbag candeplo yint he eve ntofan acci dent.
The child could bestru ck bythea irbag. #
Ensur e,bo th bef orea nd dur ing thej our ney,that thes tatus ofthef ront passeng erairbag iscor rect. Disp
laym essages and warning/ indic ator lam ps 495

Disp
laym essag es
Possible causes/conseq uencesand0050 0050
Solutions &
WARNIN GRisk ofinju ryand acciden tdue toan insufficie ntsupply offresh air
If th ec limat econtrol system ismalfunct ioning,carbon dioxide leve ls ma yinc rease inthev ehicle interior .
Br eat hing incarbon dioxide maycause dizziness. #
Open thew indo wtoe nsur ethat ther ei sas ufficie ntsupply offresh air. #
Open thew indo wtoe nsur eana deq uatesuppl yoffresh air. #
Consult aqualif iedspec ialistworks hop immediat ely. Ve
hicl e Dis
playm essag es
Possible causes/conseq uencesand0050 0050
Solutions
0072 Vehicle ReadytoDrive
Switc hthe Ignit ionOff
Before Exiting *Y
ouarel eaving thev ehicle whenitis in ar eady -to-dr ives tate. #
When youl eave thev ehicle, switchoffthei gnition ,secur ethe vehicle agains trolling away and takethe Smar t‐
Ke yw ithy ou. #
Ifyo ud on otlea vethev ehicle, switchoffthee lectr icalconsumer s,e.g. thes eat heating. Other wise, the1 2V
batt erym aydisc hargeand itwill then be possible tostar tt he vehicle onlyw itht he aid ofas econ dbattery
(s ta rting assis tance) . 50
2
Disp laym essage sa nd warning/ indic ator lam ps

Br
ak es Di
spl aymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0049 (US Aonly)
0024 (Canada only)
Parking BrakeSeeOpera-
tor's Manual *
The yello w0024 indicator lam pislit. The elect ricp arkin gb rake ismalfun ctionin g.
To appl y: #
Swi tcht he ignition offa nd switc hitb acko n. #
Appl ythe electr icpar king brak em anually (/page198).
If it is no tp ossibl et oa ppl ythe electr icpar king brak e: #
Consult aqualif iedspec ialistworks hop. #
Wher enecessar y,also securet he par kedv ehicle agains trolling away.
* The yello w0024 indicator lam pand ther ed 0049 (USAonly) or 0024 (Canada only)indicat orlam parelit. The elec‐
tr ic par kingb rake ismalfunc tioning.
To release: #
Swit chthei gnition offa nd switc hitb acko n. #
Release thee lectr icpar king brak em anually (/page198).
or #
Release thee lectr icpar king brak ea utomaticall y(/ pag e198).
If it is still no tp ossible torelease thee lectr icpar king brak e: #
Donotc ontinue driving under anyc ircums tances. Consu ltaq ualif iedspec ialistworks hop. Displa
ymessag esand warning/ indic ator lam ps 51
1