oil level MERCEDES-BENZ A-CLASS SEDAN 2021 Owner's Manual

#
Push yello whandle 1onthehood catchto
th elef tas faras itwil lgo (pa lmdown wards).
Lif tth ehood untilitis aut omaticall yra ised
by thepneumatic spring.
Closing thehood #
Lowe rth ehood andletit dr op from aheight
of appr oximat ely8 in (20 cm). #
Ifth ehood canstill be lifte dslightl y,open
th ehood again and close itwit halittle forc e
unt ilit en gage scor rectly . En
gine oil Che
cking theengine oilleve lusing theon-
boar dcom puter
Re quirement s:
R The engin ehas been warmed up.
R The vehicle ispar kedon aleve lsur face.
R The engineisrunning atidle spe ed.
R The hoodis clo sed .
The engineoille ve lis de term ined during drivin g.
De term inin gth eengine oilleve lcan take up to
30 minut eswit hanor mal driving style and even
long erwit han act ive dr ivin gst yle. On-
boar dcom puter:
4 Service5
Engine OilLevel
Yo uwill see oneof thefo llo wing mess ages on
th emultifunc tiondispla y:
R Measuring Engine OilLevel.. .:measur ement
of theoil leve lis no tye tpo ssi ble. #
Repeat there qu estaf te ra maximu mof
30 minut es'driving.
R Engine OilLevel OKand thebar displa yfo r
indic atingth eoil leve lon themultifunc tion
displa yis green and isbe tween "min" and
"max": theoil leve lis cor rect.
R Engine OilLeve lAdd 1,1qts. andthebar dis‐
pla yfo rindica tingtheoil leve lon themulti‐
func tion displa yis orang eand isbelo w"min": #
Add1.1 US qt(1l)of engine oil.
R Red uce Engine OilLevel andthebar displa y
fo rindica tingtheoil leve lon themultifunc ‐
tion displa yis orang eand isabo ve"max ": Main
tenance andcare25
3

#
Drain of fan yex cess engineoilthat has been
added. Todo so, con sult aqu alif ied spec ialist
wo rkshop.
R For Engine OilLevel Switch Ignition On #
Switc hon theignition tocheckth eengine oil
le ve l.
R Engine OilLeve lSyst emInoperat ive:The oil
le ve lsen sor isdef ective or notcon nected. #
Consult aqu alif ied spec ialistwo rkshop.
R Engine OilLevel System Currently Unavail. #
Close thehood.
Re filling engine oil &
WARNIN GRisk ofburnsfrom hotcom‐
ponent partsintheengine compartmen t
Cer tain com pone ntpar tsintheengine com‐
par tmen tcan bevery hot,e.g. theengine,
th ecooler andpartsof theex haus tsy stem. #
Allo wtheengine tocool down and only
to uc hco mp onent partsdescr ibedin
th efo llo wing. &
WARNIN GRisk offire and injuryfrom
eng ineoil
If eng ineoilcom esintocon tact with hot
com ponent partsintheengine compart‐
ment ,it ma yignit e. #
Mak esur eth at no eng ineoilisspille d
ne xt to thefiller open ing. #
Allo wtheengine tocool offand thor‐
oughl yclean theengine oilfrom com po‐
nen tpar tsbef orest ar tin gth eve hicle. *
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotus eengi neoilsor oil filt er s
whic hdo notcor respond tothespecif i‐
cation sex plicitl ypr escr ibed forth e
ser vice interva ls. #
Followtheins truction son theser vice
int erva ldispla yfo rch ang ingtheengine
oil and obser vethepr escr ibed chang e
int erva ls. #
Donotuse additiv es. *
NO
TEDama gecau sed byrefilling too
muc hengine oil To
omuc hengine oilcan damag eth eengine
or thecat alytic converter . #
Have excess engineoilremo vedat a
qu alif ied spec ialistwo rkshop. %
Depending ondriving style, theve hicle con‐
sumes upto0.9 USqt(0.8 l)of oil per
600 miles(1 000 km).The oilconsum ption
ma ybe higher than this when theve hicle is
ne wor ifyo ufreq uen tly dr ive at high engin e
spee ds. 25
4
Main tenance andcare

Engine
oil Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *T
heengine oilleve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Whe nne xt refuel ing, add 1.1 US qt(1l)of engine oil(/ page25 4).
No teson engine oil(/ page326).
00B3
Engine OilRedu ceOil Level *T
heengine oilleve lis toohigh.
* NO
TEEngi nedama gecau sed bydriving withexc ess engine oil #
Avoid long journeys wit hex cess engineoil. #
Consul ta qu alif ied spec ialistwo rkshop immediat elyand have theengine oilleve lre duced.
00B3 En gine OilLevel LowStop
Vehicle TurnEngine Off *T
heengine oilleve lis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. Disp
lay mess ages and warning/ indic ator lam ps 37
7

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Switc hof fth eengine. #
Add1.1 US qt(1l)of engine oil(/ page25 4). #
Che cktheengine oilleve l.
No teson engine oil(/ page326).
00B3
Engine OilPressure Stop
Switch OffEngine *T
heoilpressur eis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntoil press ure #
Avoid driving withinsuf ficie ntoil press ure. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng. #
Consul ta qu alif ied spec ialistwo rkshop.
00B3 Engine OilLevel Cannot Be
Measured *T
heelectr icalconn ection totheoil leve lsen sor has been interru pte dor theoil leve lsen sor isfaulty . #
Con sult aqu alif ied spec ialistwo rkshop. 37
8
Display messa gesand warning/ indic ator lam ps

Data
storage
Dat apr otect ion rights ..................... ...... 33
Elect ronic contr oluni ts <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 30
Onl ine service s<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............33
Ve hicle ............................................. ..... 30
Deactiv atingthealarm(ATA ).................... 85
Dealer ship
see Qualif iedspec ialistwo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s................2 6
Decor ative fo il(cleaning instructions) ..261
Def initions (tiresand loading )...............3 04
De stinat ionentr y.... ................................ 223
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 223
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Dingh yto wing
see Tow- bar system
DIRECT SELECT leve r............ ...................137
Eng aging drive po sitio n............ ........... 139 Eng
aging neu tral ............. .....................138
Eng aging park position .................. ...... 138
Eng aging park position automatic ally .. 138
Eng aging reve rsege ar .................... .....1 38
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>137
Disp lay(car e)...........................................2 63
Di spla y(MBUX multimedia system)
Hom escr een .......................................2 09
Di spla y(multime diasystem) .................. 210
Oper ating ............................................. 210
Disp lay(on- boardcom puter)
Dis play son themultifunc tiondispla y.. 205
Displa ymessag e.....................................3 32
Ca lling up (on-boa rdcom puter) ..... ......3 32
No tes .................................................. 332
Displa ymessag es
00B2 ---mp h...................................... 357
ç ---mp h...................................... 357
003D 12VBatt erySee Oper ator's
Manual ................................................ 370
: ActiveHea dlamps Inoperati ve .... 339 é
ATTENTION ASSISTInoper ative
... ..........................................................3 56
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........357
: Automatic HeadlampMode
Inoper ative..... ..................................... 338
û BeforeSt artin gth eEn gine,
Tu rn Steer ing Wheel ............................3 42
0027 CheckBrak eFlu idLevel.............3 55
0026 CheckBrak ePa ds See Oper a‐
to r's Manua l...... .................................. 356
00BD CheckCool antLevelSee Oper‐
at or's Manual ...................................... 344
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 377
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 338
0077 CheckTire s ................................ 373
00B2 CheckWa sher Fluid ...................3 44 400
Index

ÿ
Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 345
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ......363
ç Current lyUn available Radar
Sen sorsDir ty ...................................... 362
0025 Currentl yUna vailable See
Opera tor's Manua l...... .........................365
00E5 Current lyUn available See
Operat or'sMan ual...............................3 66
Á Don't Forget Your Key................ 337
00B3 Engin eOil LevelCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>....378
00B3 EngineOilLe velLo wStop Vehi‐
cle Turn Engi neOff............ ..................377
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 378
00B3 EngineOilRe duce OilLevel........ 377
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................3 33 00D4
FuelLevelLo w ............................ 346
00D4 GasCap Loose ...........................3 46
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 366
00E5 Inoper ativeSee Oper ator's
Manu al....... ......................................... 367
007A Inoper ativeSee Oper ator's
Manu al....... ......................................... 368
0053 Inoper ative....... .......................... 369
: Intell.Ligh tSy stem Inoperativ e
... ..........................................................3 39
Á KeyNo tDe tected (red displ ay
messa ge).............................................3 37
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................3 36
0075 LeftSide Curtain Airbag Mal‐
fun ction ServiceRe quired (exa mp le) ...3 33
ä Malfunction Drive at Max. 50
mp h..................................................... 364 :
Malfunction SeeOper ator ’s
Manual ................................................ 338
Á ObtainaNe wKe y.......................3 36
ç Off....... .......................................358
00D9 Off....... .......................................356
0049 Parking Brak eSee Opera tor's
Manua l...... ...........................................351
0077 PleaseCor rect Tire Pressur e...... 373
0049 Please Release Parking Brak e.... 354
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 336
003D SeeOperator's Manua l..... .......... 370
0075 SRSMalfunction Service
Re quired .............................................. 333
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 341
Ù Steer ing Malfunct ionSee Oper‐
at or's Manual ...................................... 342
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ....3 41 Inde
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