2021 MERCEDES-BENZ A-CLASS SEDAN ECO mode

Oper
ator's Manua l
This Supplement prov ides informatio non allthe
im por tant func tions ofyour AM Gve hicle that are
eit her notdesc ribed ordifferfr om thedescr ip‐
tion sin theve hicle Operator's Manual. This
inf ormation supplements orreplaces thecor re‐
sponding sectionsintheve hicle Operator's Man‐
ual. Under nocircums tances does theSupple‐
ment replace theOper ator's Manual.
This Supplement describesallmodels, and
st andar dand optio nal equipme ntforyo ur vehi‐
cle, asavailable atthetime ofgoing topress.
Countr y-specif icdif fere nces arepo ssi ble. Bea r
in mind that your vehicle mayno tfe atur eall
fun ction sdesc ribed here.This isalso thecase
fo rsy stems andfunc tionsre leva nt tosaf ety.
Ther efor e, theeq uipment onyour vehicle may
dif ferfr om that inthedescr iption sand illustra‐
tion s.
The original purchase contract documen tation
fo ryo ur vehicle contains alis tof all ofthesy s‐
te ms inyour vehicle. Should
youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter.
The Oper ator's Manual, theSupplement andthe
Maint enance Bookletar eim por tant docum ents
and should be kept intheve hicle. Oper
ating safety &
WARNIN GRisk ofacci dent dueto mal‐
functions orsystem failur es
To avo idmalfun ctions orsystem failur es: #
Alw aysha ve thepr escr ibed service and
maint enanc ewo rkas wellan yre qu ired
re pair scar ried out ataqu alif ied spe‐
cialis two rkshop. &
WARNIN GRisk ofacci dent orinju rydue
to inc orrect mod ifica tions onelectr onic
com pone ntparts
Modif ication ofelectr oniccomponent s,their
sof twareor wir ing could impair their func tion and/or
thefunc tion ofother networke dcom‐
ponen tpar tsor saf ety-re leva nt systems.
This canendang ertheoper ating safetyof the
ve hicle. #
Neverta mp erwit hth ewir ing and elec‐
tr onic componen tpar tsor their soft‐
wa re. #
Yousho uld have all workon electr ical
and electr oniccomponent scar ried out
at aqu alif ied spec ialistwo rkshop. Obser
vethe"On-boar delectr onics"sect ionin
"T ec hnical data"intheve hicle Operator's Man‐
ual. &
WARNIN GRisk offire due toflammab le
mat erials onhotpar tsof theex haus t
sy stem
Flammable material suc has lea ves, grass or
twigs mayignit eif th ey come intocont act
wi th hotpar tsof theex haus tsy stem. 6
Gener alno tes

%
Toper manen tly shif tth ege arsman uallyin
dr ive pr og ram = using thesteer ing wheel
ge arshif tpaddles ,selec tth eM (Manual) set‐
ting forth etra nsmiss ion.
* NO
TEDama getotheengine duetoshif t‐
ing uptoolat e The
automatic transmission doesnotshif tup
in manual modeeven when theengine' slim‐
iting speed isreac hed.
The fuel suppl yis int erru pte din order topre‐
ve nt theengine from overrev ving. #
Shif tup bef oreth eengine speedrea‐
ch es there dar ea intheta ch ome ter. #
Toshif tup: pull steer ing wheel gearshif t
paddle 2. #
Toshif tdo wn: pullsteer ing wheel gearshif t
paddle 1. If
th eengine speedistoohigh ortoolow, you
canno tch ang ege ar usin gth esteer ing wheel
ge arshif tpaddles .In this case, segme nts1
light upred. Glide
mode function Wi
th an ant icip ator ydr ivin gst yle, Glide mode
helps youto reduce fuelconsum ption. Glide
mode isch aract erize dby thefo llo wing:
R The com bustion engin eis disco nnect edfrom
th edr ivet ra in and theve hicle continues to
ro ll.
R The J symbol appearsin themultifunc ‐
tion displa y.
Glide mode isact ivat ed ifth efo llo wing condi‐
tion sar eme t:
R The ECOstar t/ stop funct ionisswitc hedon.
R Drive pr ogram =isselect edwithth e
dr ive se tting "Moder ate" or"Reduced".
R The speed iswit hin asuit able rang e.
R The road's courseissuit able, e.g.no steep
uphill ordownhill inclinesortight curves.
R Youar eno longerdepr essing theacceler ator
or brak epedal.
Glide mode isdeactiv ated again ifone ofthe
condi tions isno long erme t. 12
Driving and parking

#
Mak esur eth at no per son sor obs tacles
ar ein theclose vicinit yof your vehicle. Fr
om aspeed ofappr oximat ely75 mph
(1 20 km/ h)up to100mp h(1 60 km/h) DRIFT
MODE iscontinuou slydea ctivated. From a
speed of100mp h(1 60 km/h) DRIFTMODE is
ful lydea ctivated, but ESP ®
re mains switchedoff.
Belo waspeed of100mp h(1 60 km/h) upto
appr oximat ely75 mph(120 km/h) DRIFTMODE
is cont inuousl yactiv ated.
% DRIFT MODE isonl yav ailable afte rth eve hi‐
cle has been brok en in.
Ac tiv atin gand deac tivatin gDRI FTMOD E
Re quirement s:
R ESP®
is deact ivat ed (/ page15 ).
R Drive pr ogr am I isselect ed(/ page10 ).
R Thedo ors, thehood andthetrunk lid/t ail‐
ga te areclo sed.
R The engineisrunning andthetra nsmiss ion
and engine areat nor mal oper ating temp era‐
tur e. R
The transmiss ionisin manual mode–man‐
ual shif ting isactiv ated (/ page11 ).
Ac tiv atin gDRI FTMOD E
Yo ucan activat eDRI FTMOD Eat aspee dof up
to 60 mph(99 km/h). #
Pull steer ing wheel gearshif tpaddles 1and
2 and hold forhal fa second.
If all activ ation conditions arefulf illed, the
multifu nctiondisplay sho wsthemessag e
DRIFT MODE Confirm :Paddle UPCancel:
Paddle DOWNandthewa rning lam pâ
fl ashes . #
Tocancel :pull steer ing wheel gearshif tpad‐
dle 1.
The mult ifunction displa ysho wsthemessag e
DRIFT MODE Canceled andtheâ warning
lam pgoes out. #
Toconf irm: pull steer ing wheel gearshif t
paddle 2.
The mult ifunction displa ysho wsthemessag e
DRIFT MODE Active and theâ warning
lam plight sup.
Deactiv ating DRIFT MODE #
Pull steer ing wheel gearshif tpaddles 1and
2 and hold forhal fa second.
The messa geDRI FTMODE Activeand the
â warning lam pgo out.
DRIF TMOD Eis aut omat icallydeact ivat ed inthe
fo llo wing situat ions:
R ESP®
is act ivat ed.
R Manual shiftingis deact ivat ed –th ege arbo x
is in posit ion005B.
R The drive pr og ram I isswitc hedoff.
R The vehicle isswitc hedoff. Dr
iving andparking 17

%
Afterdr ifting andbeforecontinuing thejour‐
ne y,ch eckth ewheels andtires fordama ge.
In par ticula r,ch eckth etir etread depthand
tir econ tact surface overth eent ire widt hof
th etir es (see theve hicle Operator's Manual). AMG
adative spor tsuspension system Fu
nction ofAMG adaptive spor tsusp ension
sy stem
The AMG adaptivespor tsuspen sionsystem is
an electr onicall ycon trolled damping system for
im prov ed driving comfortand increased driving
saf ety.
The dam ping isadjus tedindividually toeac h
wheel anddepends onthefo llo wing fact or s:
R Driving style, e.g. spor ty
R Road con dition ,e.g .bum ps
R The drive pr ogram selected
R The individual selectionofthe"Spor t","Spor t
Plus" or"Comf ort" suspension setting
The suspension setting isdependent onthe
dr ive pr og ram sele cted via theDY NA MIC SELE CT
switc h. In
addition, youcan selectthemode ineve ry
dr ive pr og ram indivi dually via theAMG adaptive
spor tsuspension system butt oninthecent er
con sole. Aftera dr ive pr ogr am isch ang ed, the
aut omat icsuspe nsion setting ofthedr ive pr o‐
gr am isreact ivat ed.
Select ingtheAMG adaptiv espor tsusp en‐
sion system setting
In "Comf ort" mode, thedr iving charact eristic sof
yo ur vehicle arecomf ortable. Select this suspen ‐
sion setting ifyo upr efer aco mf ortable driving
st yle.
"Spor t"driving mode ensuresafirm ersuspen‐
sion setting. Select this suspen sionmode when
em ploying aspor tydrivin gst yle, e.g. onwinding
count ryroads.
"Spo rtPlus" driving mode ensuresave ry firm
suspension setting. #
Press butt on1 repeat edly until theselect ed
se tting isdispla yed.
Depen dingonthenumber ofindicat orlam ps
2 litup, thefo llo wing suspen sionsetting is
selec ted:
R 0–"Comf ort" suspension setting
R 1–"Spor t"suspension setting
R 2–"Spor tPlus" suspension setting 18
Driving and parking

Ta
nk cont entand reser vefuel Model
Total cap acity
Al lmo dels 13.4 gal(5 1. 0 liter s) Model
Ofwhi chreser ve
All mod els1 .3gal(5. 0liter s) Qua
lityand capa cityofengine oil Model
MB-Fre igabe orMB-
Appr oval
All mode ls 229.51,229.52,
229.6 1
229.7 1* *
Re comme ndedforlo we stpossible fuelcon‐
sum ption (lowe stSA Evis cos ityclassineach
case ;obs erve possible restrictions ofthe
appr ovedSA Evis cos ityclasse s).
To achie vethelowe stpossible fuelconsum ption,
it is recomme ndedtouse theengine oilspecif i‐
cation smar kedin theta ble forth elowe stSA E viscosi
tyclass .Po ssible restrictions ofthe
appr ovedSA Evis cos ityclasse smu stbe
obser ved.
% Refill th eoil leve lto themaximum before
ex treme chang esofdir ect ion orusin gra ce‐
tr ac kmod e.
The follo wing values referto an oilchang e,
inc ludin gth eoil filt er . Model
Capacity
All models 5.8US qt(5.5liter s) Coolant
capacity Model
Capacity
All models 8.7US qt(8.2liter s) Fi
lling capacityforre frig er ant and PAGoil Missi
ngvalues werenotav ailable attim eof
goin gto print . Model
Refrig er ant
Mer cedes- AMGA35
4MA TIC(Seda n)
Mer cedes- AMGA35
4MA TIC(Compact
Sed an) Mod
el PAGoil
Mer cedes- AMGA35
4MA TIC(Seda n)
Mer cedes- AMGA35
4MA TIC(Compact
Sedan) Ve
hicl edata Ve
hicl edimens ions The
heightsspeci fied mayva ry as are sult ofthe
fo llo wing fact or s:
R Tire s
R Load 32
Tech nica lda ta

A
Airb ag
see Sideairbag
AMG Men u(on -boardco mp uter) .................... 20
St eer ing wheel control element ...... .......1 9
St eer ing-wheel buttons .......................... 19
AMG adaptiv espo rtsuspension sys‐
te m
Sel ecting thesuspension setting ........... 18
Sus pens ion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 18
AMG exhaus tsy stem
Operating ............ .................................. 10
AMG Perfor ma nce steer ing wheel ...........1 9
AMG TRAC KPA CE
Conf iguring ............................................ 28
Drag Race <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>27
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 24
Te leme try displa y............................ ...... 28
Tr ac kRa ce <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ................24
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop Au
thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic trans mis sion
Dr ive pr ogr ams............ ........................ ..10
DY NA MIC SELE CTswitc h......................1 0
Manual gearshif ting...............................1 1
Oil temp eratur e(on- boar dcom puter,
Pe rfor mance menu) ...............................2 0
St eer ing wheel paddle shifters ............... 11 B
Boo stpres sur e(o n-bo ardco mp uter,
Pe rfor ma nce menu ).................................. 20 C
Chan gingawheel
In stallin g/remo vingth ehub cap ........... 30
Re mo ving awhee l..... ......................... ... 30
Changi nggears ....... ................................... 11
Manually ................................................ 11
Clim atecontr ol
Fillin gcapac ityforPA Goil .............. .......3 2
Re frig er ant filling capac ity.............. .......3 2 Coc
kpit .........................................................4
Ov ervie w .................................................4
Coolant (engine)
Capacit y................................................ 32 D
Dash board
see Cockpit
Dealer ship
see Qualif iedspec ialistwo rkshop
Displa ymessag es
ä Malfunction Drive at Max. 50
mp h.......................................................3 5
AMG Suspensi on System Functio n
Lim ited See Operator's Manua l..... ........ 36
DRIFT MODE Current lyUn available
See Operat or'sMan ual.......................... 35
RA CE STAR TCa ncel ed<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> ......35
RA CE STAR TNo tPo ssible SeeOper‐
at or's Manual ........................................3 5
Dr ag Race
Se tting ...................................................2 7 40
Index