ECO mode MERCEDES-BENZ A-CLASS SEDAN 2021 Owner's Manual

The
Oper ator's Manual andMaint enanc eBookle t
ar eim por tant docum ents andshould be kept in
th eve hicle. Ser
vice andvehicl eoper ation Ve
hicl eoper ation outside theUS Aor Cana da When
youar eabr oad withyo ur vehicle, observe
th efo llo wing points:
R Service point sor replacemen tpar tsma yno t
be available immediat ely.
R Unleaded fuelmayno tbe available forve hi‐
cles withacat alytic converter .Leaded fuel
ma ycause damag eto thecat alytic converter .
R The fuel mayha ve an extreme lylow oct ane
numb er.Un suit able fuelcancause engine
damag e.
Some Mercedes-Benz modelsareav ailable in
Eur ope thro ugh ourEuropean DeliveryPr og ram.
Fo rmor einf ormation, pleaseconsult anauthor‐
ized Mercedes‑B enzservice center,or write to
one ofthefo llo wing address:
In theUS A: Mer
cede s-Benz USA,LLC
Eur opea nDeliv eryDepar tment
One Mercedes-Benz Drive
Sandy Springs, GA30328
In Canada:
Mer cedes-Benz Canada,Inc.
Eur opea nDeliv eryDepar tment
98 Vande rhoof Avenue
To ronto, Ont ario M4G 4C9 Mai
nten anc e Yo
ur cus tomer advisorconf irms theser vice in
th eser vice repor t. Ro
adside Assistan ce The
Mercedes -Benz Roadside Assis tance Pro‐
gr am offers tech nica lhel pin thecase ofa
br eakdo wn.Your calls totheto ll-f reeRo adside
As sis tance Hotline areans weredby our agents
24 hour sa da y,365 days aye ar.
1- 80 0-FO R-MER Cedes (1-800-367-63 72)(US A) 1-8
00-387-0 100(Canada)
Yo ucan find further information inthe
Mer cedes-Ben zRo adside Assis tance Progr am
br oc hu re (US A)orthe"R oadside Assistance"
secti onintheSer vice andWarrant ybook let
(Canad a).Youwill find both intheve hicle docu‐
ment wallet. Chang
eof address orchang eof ow ner ship In
theev ent ofach ang eof addr ess, please send
us the"No tification ofaddr esschang e"inthe
Ser vice andGuarant eeboo kletor simply callth e
Mer cedes-Ben zCus tomer Assis tance Center
(US A)on theho tline number
1-8 00-FOR-MER Cedes (1-800-367-63 72)or Cus‐
to mer Service (Canada )on 1-800-38 7-0100. We
can then reac hyo uin atim elyfa shion, ifneces‐
sar y.
If yo usell your Mer cedes,pleas elea veall liter a‐
tur ein theve hicle sothat itis available tothe
ne xt ow ner .If yo uha ve pur chased aused vehi‐
cle, please sendusthe"No tice ofPur chase of
Used Car"intheSer vice andGuar anteebookle t
or sim plycall theMer cedes- BenzCustomer 24
Generalno tes

*
NO
TEDama getotheve hicle duetodriv‐
ing toofast and due toimpact sto the
ve hicle underbody orsuspension compo‐
nent s In
thefo llo wing situat ions,in par ticular ,th er e
is arisk ofdamag eto theve hicle:
R The vehicle becomes grounded, e.g.ona
high curb oran unpavedro ad
R The vehicle isdriven toofa st over an
obs tacle ,e.g. acurb ,spe edbump orpot‐
hole
R Ahea vyobject strike sth eunderbody or
suspension componen ts
In situation ssuc has these, damag eto the
body ,underbody ,suspension componen ts,
wheels ortires ma yno tbe visible. Compo‐
nen tsdamag edinthis wa ycan unexpec tedly
fa ilor ,in thecase ofan acciden t,ma yno lon‐
ge rabso rbthere sulting forc eas intended.
If th eunderbody panelingisdamag ed,flam‐
mable materials suchas lea ves, grass or
twigs cancollect between theunderbody and th
eunderbody paneling.Thesematerials may
ignit eif th ey come intocont actwith hot
par tsof theex haus tsy stem. #
Have theve hicle checkedand repair ed
immediat elyat aqu alif ied spec ialist
wo rkshop.
or #
Ifdr iving safetyis im pair edwhile con‐
ti nui ng your jour ne y,pull over and stop
th eve hicle immediat ely, while paying
att ent ion toroad and traffic condi tions,
and cont actaqu alif ied spec ialistwo rk‐
shop. Dec
laration ofconf ormity forwi reless vehi‐
cle comp onent s
US A:"Radio based devic es ofthis vehicle com‐
ply withPa rt15 oftheFCC Rules. Opera tionis
subje ctto thefo llo wing twocon dition s:1) These
de vice sma yno tcause harmful interfere nce, and
2) The sedevice smu stacc eptan yint erfere nce
re cei ved, includin gint erfere nce that ma ycaus e
unde sired oper ation.Chan gesor modif ications no
tex pressl yappr ovedby thepar tyresponsible
fo rcom pliance could void theuser's author ityto
oper ateth eeq uipment. "
Canada :"This vehicle contains license-e xemp t
tr ans mitter( s)/r ece iver( s)that com plywit hInno ‐
va tio n,Scie nceand Econo micDe velopmen tCan‐
ada ’sRSS (s).Operatio nis subj ectto thefo llo w‐
ing twocon dition s:(1) These device sma yno t
cause interfere nce, and(2)The sedevice smu st
acc eptan yint erfere nce, including interfere nce
th at ma ycaus eunde sired oper ationof the
de vice. "
US A:"W ireless chargin gsy stem formobil ede vi‐
ces (mode l:WMI2 Wireless Mobile Inte rface) :
This devic ecom plies withPa rt18 oftheFCC
Ru les."
The name andaddr essofthere sponsible party
is:
peik eracus ticGmbH
Max-Planc k-St r.28-32
61 38 1Fr iedr ichsdor f
Ger man y 26
General notes

Cer
tain inf ormatio nis simult aneousl ytransf er‐
re dto your smar tphon e.De pen dingon thetype
and integr ation, this inc ludes positiondata,the
da y/night modeandother gener alvehicle sta‐
tus es. Formor einf ormation pleaseconsult the
Oper ator's Manual oftheve hicle/inf otainm ent
sy stem.
This integr ation allowstheuse ofselect ed
smar tphon eapps, suchas navig ation ormusic
pla yerapp s.Ther eis no further interaction
be tween thesmar tphon eand theve hicle; inpar‐
ticular ,ve hicle datais no tdir ectl yaccessible.
The type ofadditional datapr ocessing isde ter‐
mined bythepr ov ider oftheapp being used.
Whic hse ttings youcan make,ifan y,depends on
th especif icapp andtheoper ating system of
yo ur smar tphon e. Onlin
eser vices Wi
reless netw orkconnection
If yo ur vehicle hasawir eless networkconn ec‐
tion, itenables datato be exc hang edbetween
yo ur vehicle andadditional systems. Thewire‐
less networkcon nect ionismade possible bythe ve
hicle's owntrans mitt erand recei veror by a
mobil eend device that youha ve brought intoth e
ve hicle, forex am ple, asmar tphon e.On line func‐
tio ns can beused viathewir eless networkcon ‐
nect ion.This includes onlineservices andappli‐
cation s/apps prov ided toyouby themanuf ac‐
tur eror by other prov ider s.
Manu factu rer's services
Re garding themanuf acturer'sonline services,
th eindividual functionsar edescr ibedbythe
manuf acturerinasui table place, forex am ple, in
th eOper ator's Manual oron themanuf acturer's
we bsit e,wher eth ere leva nt data protect ion
inf ormation isalso given. Personal datama ybe
used forth epr ov ision ofonlin eser vice s.Dat a
ar eexc hang edvia asecur econn ection, suchas
th emanuf acturer'sdesignat edITsystems. Any
per sonal datawhic har ecollect ed,processed
and used, other than forth epr ov ision ofser v‐
ices, isdone soexc lusiv elyon thebasis ofleg al
per mission. Thisisthecase, forex am ple, fora
leg ally prescr ibed emerg encycallsystem, acon ‐
tra ctual agreement orwhen consent hasbeen
giv en. Yo
ucan have ser vices andfunctions, someof
whic har esubject toafe e, activ ated ordeactiv a‐
te d. This excludes legallypr escr ibed functions
and service s,suc has an emer gency callsy stem.
Thir dpar tyser vices
If yo uuse onlineser vices from other prov ider s
(t hir dpar ties ),th ese services areth ere sponsi‐
bility ofthepr ov ider inqu estion andsubject to
th at prov ider's datapr otect ion conditions and
te rm sof use. Asage ner alrule, themanuf ac‐
tur erhas noinfluence onthecon tent
exc hang ed.
Fo rth is reason ,when services arepr ov ided by
th ird par ties ,please asktheser vice prov ider in
qu estion forinf ormation aboutthetype, extent
and purpose ofthecollect ionand useofper‐
sonal data. Data
protection rights Depen
dingonyour count ryor theeq uipment
and rang eof func tions ofyour vehicle aswellas
th eser vices youuse and theser vices onoffer,
yo uar een titled todiffere nt data protect ion
ri ghts. Further information ondat apr otect ion Gener
alno tes 33

The
electr olyteis hazar dous tohealt hand
causes irrita tio n.Itmu stnotcome intocon‐
ta ct with your skin, eye s,respir ator yor ga ns
or clo thing orbe swallo wed. #
Ifyo uco me intoco ntact withelec tro‐
ly te ,obser vethefo llo wing:
R Imm ediat elyrinse theelectr olyte
fr om your skin wit hwa terand seek
medica latt ention.
R Ifelectr olyt ecomes intocont act
wit hyo ur eyes, immediat elyrinse
th em thor oughly withclean water
and seek medicalattent ion.
R Ifth eelectr olyt eis sw allo wed,
immediat elyrinse your mout hout
th or oughl y.Do notind uce vomiting.
Seek medica latt ention immedi ately .
R Immedia tely ch ang eout ofclo thing
whic hhas been contaminat edwith
electr olyt e.
R Ifan allergic react ion occurs, seek
medi calattent ion imm ediat ely. The
inside rear vie wmir rorand theoutside mir‐
ro ron thedr iver's side willautomaticall ygo into
anti- glar emode iflight from aheadlam phit sth e
sensor ontheinside rear vie wmir ror.
Sy stem limit s
The system will notgo intoanti- glar emode if:
R The engineisswit ched off.
R Reversege ar iseng aged.
R The interior light ingisswit ched on. Fr
ont- passeng erout side mirrorpar kingpos i‐
tio nfun ction The
parking posit ionmak espar kingeasier .
The front -pass engerouts idemirrorwil lswi vel
do wn wardsin thedir ect ion ofthere ar wheel on
th efront passeng er'sside when:
R The parking position isstor ed (/ page12 0).
R Thefron t-pa ssenger mirror isselect ed.
R Reversege ar iseng aged. The
fron t-passe nger out side mirrorwil lmo ve
bac kto its original positionwhen:
R Youshif tth etra nsmiss iontoano ther trans‐
mission position.
R Youar etra veling ataspeed grea terth an
9 mp h(1 5 km/h).
R Youpr ess thebutt onforth eoutside mirror
on thedr iver's side. Light
andvisibility 11
9

Ov
ervie wof climat econtr olsystems No
teson climat econtr ol In
order forth eair con ditionin gsy stem, monit or‐
ing ofthepollution leve land airfiltration tofunc‐
tion correctl y,an interior airfilt er mus talw ays
be used. Makesur eth at thefilt er isins talled
cor rectl y.Use filt er sre comme ndedand
ap prove dby Mer cedes-Ben z.Alw aysha ve main‐
te nance workcar ried out ataqu alif ied spec ialist
wo rkshop. Ov
ervie wof thecontr olpa nel for3-zo ne
aut omat icclimat eco ntr ol The
indicatorlam psinthe0058, 0064,006C,
0072, 0056and0 buttons indicat eth at the
cor responding functionisactiv ated. 1
0082 Setsthete mp eratur eon thedr iver's
side
2 008F Setstheair distribution
3 H Setstheair flow orswitc hesoffclimat e
cont rol
4 0058 Setsclimat econtr olto aut omat ic
(/ page12 2)
5 0064 Defrosts thewindshield
6 006C Switchesthere ar wind owheat er
on/of f
7 0072 Switchesair-recir culation modeon/
of f(/ page12 3)
8 0056 Switches theA/C function on/
of f(/ page12 1) Switc
hesresidua lheat on/of f(/ page12 3)
9 0 Activates /de activatessync hroniza‐
tion(/ page12 2)
A 0082 Setsthete mp eratur eon thefront
passeng erside Oper
ating theclima tecont rolsy stem Switc
hingclima tecont rolon/of f #
Toswitc hon: setth eair flow toleve l1 or
higher usingtheH button. #
Toswitc hof f:se tth eair flow toleve l0 using
th eH button.
If climat econ trol isswitc hedoff,th ewindo ws
ma yfo gup mor equ ickl y. Swi tchcli mat econtr ol
of fonly briefly. Switc
hingtheA/C function onoroffvia the
cont rolpan el The
A/Cfunc tion heats ,cools anddehumidif ies
th eve hicle's interior air. #
Press the005A/0056 button. Climat
econ trol 12
1

Swi
tchof fth eA/C function onlybr ief ly;ot her‐
wise, thewindo wsmayfo gup mor equ ickl y.
Con densation maydr ip from theunder sideof
th eve hicle when cooling modeisactiv e.This is
no ta sign that ther eis amalfunct ion. Calling
uptheair condit ioning menu Calling
uptheair condit ioning menuusing
th emu ltim edia system #
Sele ctone ofthete mp eratur edispla ysatthe
lo we redg eof themedia display. Ac
tiv atin g/deac tivatin gthe A/Cfun ction via
the multi mediasy stem The
A/Cfun ction heat s,coo lsand dehumi difies
th eve hicle's interior air. #
Call uptheair -co ndition ingmenu
(/ page12 2). #
Select FirstRowofSeats . #
Select A/C. Se
tting climat eco ntr olto aut omatic mode In
automatic mode, these tte mp eratur eis con ‐
tr olled andmaint ained atacon stant leve lby the
air suppl y. #
Press the0058 button. #
Toswitc hto manu almode :pr es sth e008F
or 0058 button.
In aut omatic mode,youcan choose between five
dif fere nt airqu ant ities usin gth eH button.
Au tomatic mode isretained. Se
tting theair distribut ion #
Call uptheair con ditionin gmenu
(/ page12 2). #
Select arow ofseats. #
Tosetth eair distribut ion: selec t0061,
009C or009B. #
Setth eair flow .
% Severalair distribution option scan beselec ‐
te dat thesame time,forex am ple tosetth e
cli mat econtr olforth ewindshield andthe
fo ot we llssimult aneousl y. The
0061 climat econt rolfo rth ewindshield
can onlybe select edforth efirs tse at row . Ac
tiv atin g/deac tivatin gthe climat eco ntr ol
syn chronizat ionfunction viathecontr ol
pa nel Climat
econ trol can besetcen trall yusing the
sync hronization function.Thetemp eratur eand
air distribution settings forth edr iver's side will
be adop tedaut omatic allyfo rth efront passeng er
side. #
Press the 0 button.
The sync hroniz ation function willbedeactiv ated
if th ese ttings forone oftheot her climat ezones
ar ech ang ed. Ac
tiv atin g/deac tivatin gthe climat eco ntr ol
syn chronizat ionfunction viathemu ltim edia
sy stem Climat
econ trol can besetcen trall yusing the
sync hronization function.Thedriver's settin gs
fo rte mp eratur e,air quant ityand airdistribut ion
ar eadop tedaut omatic allyfo rall clima tezone s. 12
2
Climat eco ntro l

#
Call uptheair con ditionin gmenu
(/ page12 2). #
Select FirstRowofSeats . #
Select SYNC. Re
mo ving conde nsatio nfrom the windo ws Wi
ndo wsfogg ed up ontheinsid e #
Press the0058 button. #
Ifth ewindo wscontinu eto fogup: press the
0064 button.
Wi ndo wsfogg ed up ontheout side #
Swit chon thewindshield wipers. #
Press the 0058 button. Switc
hingair-recir culation modeon/off #
Press the0072 button.
The interior airwill berecir cul ated.
Air -reci rculati onmod eaut omat icallyswit ches to
fr esh airmode afte rsome time. %
Ifair -recir cula tion mode isswi tched on,the
windo wsmayfo gup mor equ ickl y. Swi tchon
ai r-re cir cul ation mod eonly briefly. Switc
hingthere sidual heaton/of f(Canada) Re
quirement s:
R The vehicle ispar ked.
% Onlyve hicles withadiesel engine canuse
re sidua lheat.
It is possible tomak euse ofthere sidua lheat
fr om theengine tocontinu ehea ting orventil at‐
ing thefront com partmen tof theve hicle for
appr oximat ely30 min utes, depen dingonthe
te mp eratur ese t. #
Toactiv ate: press the 0056 button.
Re sidua lheat willbeswitc hedoffaut omaticall y. Air
vents Ad
jus tingthe fron tair vents &
WARNIN GRisk ofburnsand fros tbit e
due tobeing tooclose totheair vents
Ve ry hotor very cold aircan flow from theair
ve nts. #
Makesur eth at all vehicle occupants
alw aysmaint ainasuf ficie ntdist anc e
fr om theair vents. #
Ifnece ssary,dir ect theair flow to
ano ther area oftheve hicle interior . To
guar anteetheflow offresh airthro ugh theair
ve nts intoth eve hicle interior ,com plywit hth e
fo llo wing:
R Alw ayske ep theve nts and vent grille sin the
ve hicle interior free.
R Keep theair inle tfr ee ofresidue build-up
(/ page256). Clima
tecontr ol12
3

Dr
ivin g No
teson Mer cedes- AMGvehicl es Obser
vetheno teson thefo llo wing addition al
to pics intheSupplement ,as youma yot her wise
fa ilto recogni zedangers:
R Emo tion Start
R AMGex haus tsy stem
R RACE STAR T
R DRI FTMODE
R AMG adaptivespo rtsuspension system
R AMG steer ing wheel buttons Switc
hingonthepo we rsupp lyor ignit ion &
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 Getout and 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 Changing thetra nsmiss ionposition .
R Startin 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. Re
quirement s:
R The Smar tKey isin theve hicle andisrecog‐
nized .
R Vehicl eswith automatic transmiss ion:
The brak epeda lis no tdepr essed . Dr
iving andparking 12
5

#
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 withth eSmar tKey inthemar ked
space (emergency operati on mod e)
(/ page 127).
% Youcan switchoffth eengine whiledriving
by pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page12 9).
St arting theve hicl ewith theSm artK ey inthe
ma rked spa ce(emer gency oper ation mode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator 'sManual
messag eappear sin themultifunc tiondispla y,
yo ucan star tth eve hicle inemer gency operati on
mod e. Ma
rked space (exa mp lewit hcup holder without
co ver) #
Open theco verof mar kedspace 2ifnec es‐
sar y. #
Mak esur eth at mar kedspace 2isem pty. #
Remo veSmar tKey 1 from theke yring. #
Place Sma rtKe y1 inmar kedspace 2on
th esymbol 3.
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 engine star ts howe ver,Smar tKey 1
mus tbe locat edinmar kedspace 2onsym‐
bol 3during theent ire jour ney. #
Have Smar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop.
If th eve hicl edoes notst ar t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
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. Dr
iving andparking 12
7

ECO
displayfun ction The
ECOdispla ysumm arize syo ur drivin gch ar‐
act eristic sfrom thest ar tof thejour neyto its
com pletion andassis tsyouin achie vingth e
mos teconomical driving style.
Yo ucan influen ceconsum ption bydoing thefo l‐
lo wing:
R Drive wit hpar ticular care
R Vehicl eswith automatic transmiss ion:
dr iving indrive pr ogr am ;.
R Followthege arshif tre comme ndations The
letter ing inthesegment willlight upbrightl y,
th eout eredg ewill light upand thesegment will
fi ll up when thefo llo wing drivin gst yle is adop‐
te d:
R 1 Steady speed
R 2 Gentle deceler ationandrolling
R 3 Moderat eacc eler ation
The letter ing inthesegment willbegra y,the
out eredg ewill bedar kand thesegment will
em ptywhen thefo llo wing drivin gst yle is adop‐
te d:
R 1 Fluct uations inspeed
R 2 Hea vybraking
R 3 Spor tyaccelera tion
The ECOdispla ywill showyo uwhen youha ve
dr iven econ omicall y:
R The thre esegment swill fill up com pletely at
th esame time
R The edgesaround allthre esegment swill
light up The
additional rang eac hieve das are sult ofyour
dr ivin gst yle in com parison withadr iver wit ha
ve ry spor tydriving style will besho wninthe
cent erofdispl ay4 .The rang edispl ayed does
no tindicat eafixe dre duction incon sum ption. DY
NA MIC SELECT switch Fu
nction oftheDY NA MIC SELECT switch *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. %
Depe nding ontheengine andequipment,
th eve hicle hasdiffere nt drive pr ogr ams.
Use theDY NA MIC SELE CTswitc hto chang e
be tween thefo llo wing drive pr ogr ams.
The drive pr og ram sele cted app earsin themulti‐
func tion displa yof theon- boar dcom puter.
= Individual
R Individual settings 13
4
Driving and parking