engine MERCEDES-BENZ A-CLASS SEDAN 2020 Owner's Manual

Te
ch nical data.......................................... 456
No teson tech nica lda ta <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 456
Ve hicle electr onics ...... ..................... ..........4 56
Ve hicle identif ication plate,VIN and
engine number overview .................. .......... 458
Opera tingfluids ............ .................. ............ 459
Ve hicle data... ............................................. 466 Displa
ymessag esand warning/indi‐
cat orlam ps.............. ................................ 468
Displa ymessag es.......................................4 68
Wa rning and indic ator lam ps.......................5 15 Inde
x......................................................... 530 4
Contents

1
Spee dometer →
214
2 003E003D Turn signal lights →
114
3 Multifunction display →
219
4 0075 Restra int system →
517
5 Tach ome ter →
214
6 00BB ESP®
OFF →
525
00E5 ESP®
→
525
7 005E Rear foglight →
114
8 0057 Highbeam →
114
0058 Lowbeam →
113
0060 Parking lam ps →
113
9 ÿ Coolan tto oho t/c old →
519
A Coolan tte mp eratur edispla y →
214
B 0024 Electricpa rking brak e(yello w) →
522
C 003D Electrical malfun ction →
519
D L Distance warning →
524 E
0025 ABSmalfun ction →
525
F Ù Electric po we rst eer ing malfunct ion →
518
G 0077 Tire pressur emonit or →
528
H 0028 Thisindicat orlam phas nofunc tion
I 00D4 Fuelreser vewit hfuel filler cap locat ion
indic ator →
519
J Fuelleve lindic ator
K Elec tric par kingbr ak eapplied (red) →
522
0049 USAonl y
0024 Canada only
L 00E9 Seatbeltnotfa stened →
517
M Brak es (red) →
522
0027 USAonly
004D Canad aonly
N 00B9 CheckEngine →
519
O ä Thisindicat orlam phas nofunct ion At
aglanc e– Indicat orand warning lam ps(Widesc reen Coc kpit) 13

Pr
otecting theen vir onmen t
+ ENV
IRONM ENTALNOTEEnvironme ntal
da ma gedue tooper ating condit ionsand
per sonal driving style The
pollut antemission oftheve hicle is
dir ectl yre lat ed tothewa yyo uoperat eth e
ve hicle.
Oper ateyo ur vehicle inan environment ally
re sponsible mannertohelp protect theen vi‐
ro nment. Plea se obser vethefo llo wing rec‐
omme ndations onope rating cond itions and
pe rsonal driving style.
Oper ating conditions: #
Mak esur eth at thetir epr essur eis cor‐
re ct. #
Donotcar ryanyunn ecessar ywe ight
(e.g. roof lugg agera ck sonce youno
lon gerneed them). #
Adher eto theser vice interva ls.
A regular lyser viced vehicle willcont rib‐
ut eto environmen talpr otect ion. #
Alw aysha ve maint enance workcar ried
out ataqu alif ied spec ialistwo rkshop.
Pe rsonal driving style: #
Donotdepr esstheaccelera torpeda l
when star tin gth eengine. #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary. #
Drive car efu llyand maintain asu itab le
di st anc efrom theve hicle infront. #
Avoid freq uent, sudden acceleration
and braking. #
Chang ege ar ingood timeand useeach
ge ar onlyup to00C3 ofits maximum
engine speed. #
Switc hof fth eengine instatio narytraf‐
fi c, e.g. byusin gth eEC Ostar t/ stop
funct ion. #
Drive fuel-ef ficie ntly .Obs erve theEC O
displa yfo ra fuel -efficie ntdrivi ng style. En
vir onmental issuesandrecomm endations:
It is recomme ndedthat youre -us eor recy cle
mat erials ins tead ofjus tdispo singof them.
The releva nt environme ntal gu ideline sand regu‐
lations servetoprotect theen vironmen tand
mus tbe strictly observe d. Mer
cedes-Benz GenuineParts
+ ENV
IRONM ENTALNOTEEnvironme ntal
da ma gecau sed bynotus ing recy cle d
re condi tionedcom pone nts Dai
mle rAG offers recy cle dre condi tioned
com pone ntsand parts wit hth esame qualit y
as newpar ts.The same entitlemen tfr om the
Limit edWarrant yis valid asforne wpar ts. #
Use recy cle dre condi tionedcom po‐
nents andparts from Daimler AG. 22
Gener alno tes

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 unle aded fuelmayno tbe available forve hi‐
cles withacat alytic converter .Leaded fuel
ma ycause damag eto thecat alytic converter .
R thefuel mayha ve an extreme lylow oct ane
num ber.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

#
Tounlo ck:tur nth eemer gency keyco unt er-
clo ckwise toposition 0047. #
Toloc k:tur nth eemer gency keyclo ckwise to
position 0047. #
Carefully press theco veront oth eloc kcyli n‐
der until iteng ages and isseat edfirm ly. Loc
king thefront passeng erdoor andrear
door swi th theemer gency key #
Inser ta suit ableobject, e.g.theemer gency
ke y,int oopen ing1onthedoor lock. #
Toloc kth elef t-han dside oftheve hicl e:
tur nth eemer gency keyco unt er-cloc kwi seas
fa ras itwil lgo. #
Toloc kth eright- hand sideoftheve hicl e:
tur nth eemer gency keyclo ckwise asfaras it
wil lgo.
If th eloc keddoor isthen closed, itcan nolong er
be opened from outside. Tr
unk Openi
ngthetrunk lid &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth e
tr unk lid is op en when theengine isrunning ,
esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine before
opening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. 74
Opening andclosing

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Ve hicl eswith apanor amicsliding
sunr oof:The sliding sunrooforthe
ro ller sunblin ddoes notopera te
smoo thly. #
Pulland hold the0057 buttonlittle bylittleunt ilth ero ller sunblin dis full yclos ed. #
Use automat icopera tiontofully open andthen close thesliding sunroof. Anti-t
heftpr otection Fu
nction oftheimm obiliz er The
immo bilizerpreve nts your vehicle from being
st ar tedwit hout thecor rect Smar tKey .
The immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon.
When leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle.
% Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sbatt eryis ch arge d), the
sy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call 1-8
00-FOR-MER Cedes (intheUS A)or
1-8 00-387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R When adoor isopen ed
R When thetrunk lidisopened
R When thehood isopened
R When theint erior motion sensor istrigg ered
(/ page88)
R When theto w- aw ay alar mistrigg ered
(/ page87 ) The
ATAsy stem isarmed automatic allyafte r
appr oximat elyte nseco ndsinthefo llo wing situa‐
tion s:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO 86
Opening andclosing

Indicat
orlam p1 flashes whentheAT Asy stem
is armed.
The ATAsy stem isdeactiv ated aut omaticall yin
th efo llo wing situat ions:
R Afterunloc kingtheve hicle withth eSmar t‐
Ke y
R Afterunloc kingtheve hicle using KEYLES S-
GO R
Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthestow agecom partment
(/ page13 2)
% WhentheMer cedes‑ Benzemergency call
sy stem isactiv eand thealar mstay son for
mor eth an 30 sec onds, ames sageis aut o‐
mat icall ysen tto theCus tomer Assis tance
Ce nter (/ page 357).
% Inthecase ofsevere batt erydisc harging,
th eanti- theftalar msystem isaut omaticall y
deactiv ated tofacil itat eth ene xt engine
st ar t.
Deact ivat ing theATA #
Press theÜ, ßor008B buttononthe
Smar tKey .
or #
Press thest ar t/ stop butt onwithth eSmar t‐
Ke yin themar kedspace (/page13 2)
Dea ctivat ingth eala rm using KEYLESS-GO #
Grasp theoutside doorhandle withth e
Smar tKey outside theve hicle. Fu
nction oftheto w- aw ay alar m %
This function mayno tbe available inall
coun tries.
An audible andvisual alarmistrigg ered ifan
alt eratio nto your vehicle's angleof inclination is
de tected whi letheto w- aw ay alar misarmed.
The tow- aw ay alar misaut omat icallyar med afte r
appr oximat ely60 seco nds:
R Afterloc king theve hicle withth eSmar tKey
R Afterloc king theve hicle using KEYLES S-GO
The tow- aw ay alar mison lyarmed when thefo l‐
lo wing compone ntsar eclos ed:
R The door s
R The trunk lid
The tow- aw ay alar misaut omat icallydeac tiva‐
te d:
R Afterpr essing theÜ or008B buttonon
th eSmar tKey
R Afterpr essing thest ar t/ stop butt onwithth e
Smar tKey inthemar kedspace (/page13 2) Op
ening an dclos ing 87

No
teson thecor rect driver' sseat position &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. En
sur eth efo llo wing when adjustingst eer ing
wheel 1,seat belt2and driver's seat 3:
R Youar esit tin gas faraw ay from thedr iver's
airbag aspossible, taking thefo llo wing
point sint ocon sider ation .
R Youar esit tin gin an upr ight position
R Your thighs areslight lysuppor tedby theseat
cushion R
Your legs areno tfull yex tende dand youcan
depr essthepedals proper ly
R The backof your head issuppo rted ateye
le ve lby thecent erofthehead restra int
R Youcan hold thesteer ing wheel withyo ur
ar ms sligh tly ben t
R Youcan moveyour legs freel y
R Youcan seeallthedispla yson theins tru‐
ment clusterclea rly
R Youha ve agood overvie wof thetra ffic con ‐
dition s
R Your seat beltsitssn ug lyag ains tyo ur body
and pass esacr oss thecent erofyour sho ul‐
der and across your hips inthepelvic area 90
Seats andstow ing

Ad
jus tingthe 4-waylum bar support 1
Raise
2 Soften
3 Lowe r
4 Harden #
Usingbuttons 1to4 ,adjus tth econ tour
of thebac kres tindividuall yto suit your bac k. Head
restra ints Ad
jus tingthe fron tse at head restra ints
mec hanica lly &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. &
WARNIN GRisk ofinju rydue tohead
re stra int swhic har eno tins talled orare
adjus tedincor rectl y
If hea dre stra int sar eno tins talled orare
adjus tedincor rectly ,th ehead restra int scan ‐
no tpr ov ide protect ion asintended.
Ther eis an incr eased risk ofinjur yin the
head andneckar ea, e.g. intheeve ntofan
acci dent or wh en braki ng. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y.
Ad jus tth ehead restra int fore -and -aftpo sitio nso
th at itis as clo seasposs ibletothebac kof your
head. 92
Seatsand stow ing

#
Toswitc hof f/r educe theleve l:pr ess but‐
to n1 repeat edly until thedesir edventil a‐
tio nleve lis set.
If all indic ator lam psareof f,th eseat ventil a‐
tio nis sw itched off. Ste
ering wheel Ad
jus tingthe steer ing wheel mechanicall y &
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e st
eer ing wheel orthemir rorand fasten
yo ur seat belt. &
WARNIN GRisk ofentr apment forch il‐
dr en when adjustingth esteer ing wheel
Childr encould injureth emselv esifth ey
adjus tth esteer ing wheel. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Push release leve r1 down asfaras itwil l
go.
The steer ing column isunloc ked. #
Adjus the ight 2 and dist anc e3 tothe
st eer ing wheel. #
Push release leve r1 upasfaras itwil lgo.
The steer ing column isloc ked. #
Chec kand makesur eth at thesteer ing col‐
umn isloc kedby mo ving thesteer ing wheel. 96
Seats andstow ing