check engine MERCEDES-BENZ EQB 2023 Owners Manual

addit
ion,modi/ed and/ordamag edcom po-
nen tsma ycause a/r e.
In theeve ntofan accid ent orimpac tto the
ve hicle underbod y,com pone ntsofthehigh-
vo ltag eelectr icalsystem maybe damag ed
alt hough thedamag eis no tvisible. #
Nevermak ean ymodi/ca tionsto the
high- voltag eon-boar delectr icalsystem. #
Donotswitc hon oruse theve hicle ifits
high- voltag eon-boar delectr icalsystem
com ponents have been modi/ed ordam-
ag ed. #
Neverto uc hdamag edcom ponents of
th ehigh-v oltageon-boar delectr icalsys-
te m. #
ATer anaccident, donotto uc han ycom-
ponents ofthehigh-v oltageon-boar d
electr icalsystem. #
ATer anaccident, have theve hicle trans-
por tedawa y. #
Have thecom ponents ofthehigh-v oltage
on-boar delectr icalsystem checkedat a qu
ali/ed special istwo rkshop and
re placed ifnecessar y. The
com pone ntsofthehigh-v oltageon-boar d
electr icalsystem aremar kedwit hye llo wwa rning
stic kers.The cablesofthehigh-v oltageon-boar d
electr icalsystem areor ang e. Ve
hicles withan elect ric mo torge ner atesig ni/-
ca ntly less vehicle noiseemissi onsthan vehicles
wit hcombus tionengines.As are sult ,yo ur vehicle
ma yno tbe hear dby other road user sin cer tain
situations. Thiscanoccur ,fo rex am ple, when you
ar epar king andyour vehicle cannotbe seen by
ot her road user s.This requ ires youto adop ta par - ticu
larlyant icipat orydr ivi ng style, as itis neces-
sar yto allo wforth epossibility that other road
user sma ybeha veunpredict ably. DeclarDeclar
ationofconf ation
ofconf or or
mity f mity
for v or
vehicle inst ehicle
installed alled
r r
adio com adio
components ponents
US
A:"Radio based devices ofthis vehicle comply
wit hPa rt15 oftheFCC Rules. Oper ation issub-
ject tothefo llo wing twoconditions: 1)These devi-
ces mayno tcause harmful interfere nce, and2)
Thes ede vice smust accep tan yint erfere nce
re ceiv ed,includin gint erfere nce that ma ycause
und esiredoper ation.Chang esormodi/cations not
ex pressl yappr ovedby thepar tyresponsi blefor
com plian cecould void theuser ’saut hor ityto
oper ateth eeq uipment."
Canada: "Thisvehicle contains licen ce-exemp t
tr ansm itter( s)/r ecei ver(s) that com plywit hInn o-
va tion, Science andEconomic Development Can-
ada ’slicence-e xemp tRSS(s). Operation issubjec t
to thefo llo wing twoconditions: (1)These devices 2828
Gener
alno tes

#
Plac eSmar tKey 1 inmar kedspace 2on
symbol 3.
The vehicle willstar taTer ashor ttime .
When youre mo veSma rtKe y1 from mar ked
space 2,theve hicle canbedriven. Forfur -
th er engine star ts howev er,Smar tKey 1
must belocat edinmar kedspace 2onsym-
bol 3during theentir ejour ney. #
Have Sma rtKe y1 checkedat aqu ali/ed spe-
ciali stwo rkshop.
If t If
the v he
vehicle doesno ehicle
doesnotst t
st ar t: ar
t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
Depr essthebr ak epedal andstar tth eve hicle
usin gth estar t/s topbutt on.
% Youcan switc hon thepo we rsuppl yor the
ve hicle withth estar t/s topbutt on.
Obser veanyinf ormatio nre ga rding displa ymes-
sag esthat can bedispl ayedon themultifun ction
displa y. BrBr
ea king-in not ea
king-in notes es
R
Incertain drivi ng and drivi ng safetysy stem s,
th esensor sadjust automaticall ywhile acer -
ta in dist ance isbeing driven aTer theve hicle
has been deliveredor aTer repair s.Fu llsy s-
te m e.ectiv enessisno tre ac hed untilth eend
of this teac h-in process.
R Brak epads, brak ediscs andtires that are
eit her newor have been replaced onlyac hie ve
op timum braking e.ect andgrip aTer several
hund redkilome ters of drivin g.Com pensat efo r
th ere duced braking e.ect byappl ying greater
fo rc eto thebr ak epedal. NNo o
t t
es on dr es
on driving iving
&
W W
ARNIN G ARNIN
GRisk ofaccident duetoobjects
in thedr iver's foot we ll
Objects inthedr iver's foot we llma yim pede
pedal trav el or bloc kadepr essed pedal.
This jeopar dizestheoper ating androad safety
of theve hicle. #
Stow allobj ects intheve hicle secur ely
so that they cann otget intoth edr iver's
fo ot we ll. #
Alwaysins tallth e0oor mats securely
and asprescr ibed inorder toensur eth at
th er eis alw ayssu1cie ntroom forth e
pedals. #
Donotuse loose 0oormats anddonot
place 0oormats ontopof one another. &
W W
ARNIN G ARNIN
GRisk ofaccident duetoincor -
re ct foot we ar
Incor rect foot we arincl udes, forex ample:
R Shoe swith platform soles
R Shoe swit hhigh heels
R Slipper s
Ther eis arisk ofan acciden t. #
Alwayswe arsuit able foot we arso that
yo ucan oper ateth epedals safely. Dr
iving andparking
147 147

In
these orsimilar operating conditions, have the
int erior air/lter chang edmor efreq uen tly. The
tir es must becheckedmor efreq uentl yif th eve hi-
cle isoper ated und erincr eased loads. Further
inf ormatio ncan beobt aine dat aqu ali/ed special -
is two rkshop.
The ASSYST PLUS service interva ldispla yis onl y
an aid. Thedriver oftheve hicle bearsre sponsi bil-
ity asrega rdsto whe ther maint enance work
need sto be per form ed mor eoTen than speci/ed
based ontheactual operating conditions and/or
loads. BattBatt
er er
ydisconnection per y
disconnection periods iods
The
ASSYSTPL US service interva ldispla ycan cal-
culat eth eser vice duedateonl ywhen thebatt ery
is connect ed. #
Displa yand note down theser vice duedate
on theinst rument displa ybef oredisconne ct-
ing thebatt ery(/ page281). Engine
com Engine
compar par
tment tment
Opening
andclosing t Opening
andclosing the hood he
hood &
W W
ARNIN G ARNIN
GRisk ofaccident duetodriving
wit hth ehood unlocked
The hood mayope nand blockyour vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood is
loc ked. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjury
when openingand closin gth ehood
The hood maysuddenl ydr op intoth eend
position.
Ther eis arisk ofinjuryfo ran yone inthe
hood's rang eof mo vement. #
Donotopen orclose thehood ifth er eis
a per son inthehood's rang eof mo ve-
ment. &
W W
ARNIN G ARNIN
GRisk ofinjurydue tooverheat ed
ve hicle
If yo uopen thehood intheev ent ofan ove r-
heat edvehicle or/rein theengine compart-
ment, thefo llo wing situations mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her
escapin gho toper ating0uids. #
Intheev ent ofove rheating or/rein the
engine compartment, keep thehood
closed andcallthe/r eser vice. #
Allo wtheov erheat edvehicle tocool
do wn /rst ifyo uneed toopen thehood. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tomo ving
par ts
Com ponen tsintheengine compartment may
continue torunor star tune xpectedl yev en
when thedr ive sy stem isswitc hedo..
Obser vethefo llo wing ifyo umust open the
hood: 282282
Main
tenanc eand care

#
Ifth ehood canstillbeliTed slightl y,open the
hood again and close itwit halit tle forc euntil
it eng ages cor rectl y. ChecChec
kingt king
the coolant lev he
coolant level el
&
W W
ARNIN G ARNIN
GRisk ofscalding from hotcool-
ant
If yo uopen thecap when thedr ive sy stem is
at oper ating temp eratur e,youma yscald your-
self. #
Allo wtheve hicle tocool beforeopen ing
th ecap. #
When opening thecap, wearprotectiv e
glo vesand protectiv eey ewe ar. #
Torelease thepr essur e,slo wly open the
cap. #
Onlyha ve thecoolant checkedor re/ll ed ata
qu ali/ed special istwo rkshop. AA
ddin gw ddin
gwasher asher
0uid 0uid
t t
o t o
the wind shield w he
wind shield washer sy asher
sys- s-
t t
em em
&
W W
AR NIN G AR
NIN GRisk ofbur nsfrom hotcom po-
nen tsintheengine compartment
Cer tain com ponents intheengine compart-
ment canbevery hot,e.g .th edr ive sy stem
and thecooler . #
Allo wthedr ive sy stem tocool down and
to uc honl yth ecom ponents described
belo w. &
W W
ARNI NG ARNI
NGRisk of/reand injur yfrom
wind shield washer conce ntrate
Wi ndsh ieldwasher conce ntrate ishighl y0am-
mable. #
Avoid /re, open 0ames, smoking andthe
cr eation ofspar kswhen usingwind shield
wa sher conce ntrate. #
Remo vecap 1bytheta b. #
Addwa sher 0uid.
% Further informatio nabout thewindshield
wa sher 0uid(/page348) 284284
Main
tenanc eand care

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Á
Key Being InitializedPlease
Wai t *T
hevehicle isprocessin gin order toteac hin thene wSmar tKey . #
Waituntil process ingiscom plete.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismalfu nctionin g. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar ting theengine withth eSmar tKey (/ pag e146). LightsLights
DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Solut ions Solut
ions
:
Check LeftLow
Beam (exa mp le) *T
hecor respond inglight sour ceisdef ecti ve. #
Drive on car efull y. #
Visit aqu ali/ed special istwo rkshop immed iately.
% LED light sources: thedispla ymessag efo rth ecor respond inglight appear sonl ywhen allthelight-emittin gdiodes
in thelight arefa ulty . Displa
ymessa gesand warning/in dicatorlam ps
359 359

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
00BD
Check CoolantLevel See
Opera tor'sManua l *T
hecoolan tle ve lis toolow.
* N N
O O
TE TE
Dam ageto thedr ive sy stem due toinsu1c ientcoolant #
Avoid long journeys wit hinsu1cient coolant. #
Have thecooling system ofthedr ive sy stem checkedat aqu ali/ed special istwo rkshop.
ÿ
Co olant Too HotStop Vehi-
cle Turn Engine Off *T
hecoolan tis tooho t. #
Stop theve hicle immed iatelyin accor dance withth etra1c conditions andswitc ho. thedr ive sy stem. &
W W
ARNIN G ARNIN
GRisk ofinjur ydue tooverheat edvehicle
If yo uopen thehood intheev ent ofan ove rheat edvehicle or/rein theengine compartment, thefo llo wing situa-
tions mayoccur :
R Youma ycome intocont actwithho tga ses.
R Youma ycome intocont actwithot her escapin gho toper ating0uids. #
Intheev ent ofove rheating or/rein theengine compartment, keep thehood closed andcallthe/r eser vice. #
Allo wtheov erheat edvehicle tocool down /rst ifyo uneed toopen thehood. #
Waituntil thedr ive sy stem has cooled down. #
Mak esur eth at theair suppl yto theve hicle radiat orisno tobstr ucted. #
Avoiding highloads onthedr ive sy stem, drive to thenear estquali/ed specialist workshop. Displ
aymessag esand warning/in dicatorlam ps
365 365

00D7
BatteryOv erhe ated Stop, Every-
one GetOut Outdoor sif Po ssible ........... 369
00E5 ChargerCable Connect ed..... ........ 366
0027 CheckBr ak eFluid Level................ 382
00BD CheckCoola ntLevelSee Oper -
at or's Manual. ........................................ 365
: CheckLeT LowBeam (exa mp le)... 359
0077 CheckTire s<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 399
00B2 CheckWa sher Fluid... ...................3 75
ÿ Coolant TooHo tSt op Vehicle
Tu rn Engi neO... .................................... 365
0025 Currentl yUna vailable SeeOper -
at or's Manual. ........................................ 393
00E5 Currentl yUna vailable SeeOper -
at or's Manual. ........................................ 394
Á Don't Forget Your Key<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 358
0075 Front LeT Malfu nction Service
Re quired (examp le)...... ..........................354
003B Inoper ativeChar geHV Batt ery...... 362 003B
Inoper ative High -Volt ageBat-
te ry Char ging NotCom plete<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 362
0025 Inoperativ eSee Oper ator's
Manual <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 394
00E5 Inoperativ eSee Oper ator's
Manual <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 395
007A Inoperativ eSee Oper ator's
Manual <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F> 396
0053 Inoperativ e<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F> 397
Á KeyBe ing Ini tia lized Please Wait.... 359
Á KeyNo tDe tected (red displa y
messag e)...............................................3 58
Á KeyNo tDe tected (whit edispla y
messag e)...............................................3 58
0075 LeTSide Curtain Airbag Mal-
function Service Required (exa mp le).... ..355
ä Malfunction Drive at Max. 50
mp h<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F> 392
: Malfunctio nSee Oper ator ’s
Manua l................. .................................360 00D7
Malfunc tionService Required ...... ..369
0080 Malfunction Visit Wo rkshop ........... 371
0080 Malfunct ion.................................. 370
00D7 Malfunct ion.................................. 369
Á ObtainaNe wKe y<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F> 357
ç O.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 385
00D9 O.<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 383
0049 Parking Brak eSee Oper ator's
Manual....... ...........................................3 78
0080 Perfor mance Extremel yLimit ed.... .3 63
0077 Please Correct Tire Press ure........ .400
0049 Please Release Parking Brak e...... ..381
003B Pre-entr yClimat eContr olvia
Ke yAv ailabl eAg ain ATer EngineStart... .3 62
003B Pre-entr yClimat eContr olvia
Ke yIno per ative High -volt ageBatt ery
Lo w... ....... .............................................363
Á Replace KeyBat tery <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F> 357
ô Reser veLevelChar geHigh -Volt-
ag eBatt ery..... ....................................... 370 422422
Inde
x