ECU MERCEDES-BENZ EQB 2023 Service Manual

#
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

Yo
ucan in0uence energyconsum ption bydoing
th efo llo wing:
R Driving withpar ticular care(/ page151)
R Driving indrive pr og ram ; (/page153 ) The
letter ing inthesegment willlight upbrightl y,
th eout eredg ewill light upand thesegment will
/ll up when thefo llo wing driving styleisadop ted:
R 1 Steady speed
R 2 Gentle deceler ationandrolling
R 3 Moder ateacceler ation The
letter ing inthesegment willbegray ,th eout er
edg ewill bedar kand thesegment willempty
when thefo llo wing driving styleisadop ted:
R 1 Fluctuation sin speed
R 2 Hea vybraking
R 3 Spor tyacceler ation
The ECOdispla ywill showyo uwhen youha ve
dr iven economicall y:
R The thre esegments will/llup com pletely at
th esame time
R The edgesaround allthre esegments willlight
up
The additional rang eac hie vedas are sult ofyour
dr iving stylein com parison withadr iver wit ha
ve ry spor tydrivi ng style will besho wnonthecen-
te rof displa y4. Therang edis pla yeddoes not
indicat ea/x ed reduction inconsum ption. RR
ecuper ecuper
ativ ativ
ebr e
br ak ak
esy st e
sy stem em
FF
unction oft unction
ofthe r he
recuper ecuper
ativ ativ
ebr e
br ak ak
esy st e
sy stem em
Depending ontheselect edrecuper ationleve l,th e
electr icmo tors areoper ated asan alternat or when
inove rrun mode andduring braking inorder
to charge thehigh-v oltagebatt erywhile driving.
As soon asyoure lease theacceler ator pedal
when theve hicle isin mo tion ,re cuper ationin
ove rrun mode isinitiat ed.
The higher there cuper ation,th emor eshar plyth e
ve hicle isbrak ed when coastingand themor e
electr icalener gyisfed int oth ehigh-v oltagebat-
te ry.
The rege ner ativ ebr ak esy stem hasth efo llo wing
ch aract eristics:
R Suppor tsbraking withelect ronica lly cont rolled
br ak efo rc ebo osting
R Conve rts th ekine ticener gyoftheve hicle into
elect ric ener gy
% Ifyo ubr ak ehar d,themec hanical brak eis
also used. Thismeans that themaximum
re cuper ativeener gycann otbe reco vered. The
mor eyo udr ive and brak ein an anticipat ory
manner ,th emor ee1cient lyener gycan be
re cuper ated. 150150
Dr
iving and parking

Sy
st Sy
stem limits em
limits
The brak ing e.ectof theelectr icmo tordur ing
re cuper ationinove rrunmod ema ybe reduced or
ma yno tbe availabl eat all inthefo llo wing situa-
tions:
R When thehigh-v oltagebatt erycondition of
ch arge incr eases
R Ifth ehigh-v oltagebatt eryis no tyet atanor -
mal oper atingte mp eratur e
R When driving atspeeds closetozer o
R Intrans missionpos ition005C
R Dur ingand aTer ESP ®
int erve nes
In these cases ,th edesir eddeceler ationisse tby
th ebr ak econtr olsystem. Also brak ewit hth e
ser vice brak eif nece ssary.
Manua ll Manua
lly se y
se tting r tting
recu per ecu
perativ ativ
edec eler e
dec eler ation atio
n
Yo ucan usethesteer ing wheel paddle shiTersto
manuall yadjus tth eint ensity ofrecuper ationin
ov errunmod e. %
Whe nth eve hicle isstar tedag ain, thefo llo w-
ing recuper ationleve lis se t:
R 005B0058: if005B0058 wasselect edprev i-
ousl y.
R 005B:if are cuper ationleve lot her than
005B0058 wasselect edprev iousl y.
The follo wing recuper ationleve ls areav ailabl e:
R 005B0058 Intelli gent and antic ipatory recuper a-
tion withEC OAssis t(/ page151)
R 005B0064 Norecuper ation:th eve hicle coasts,
ro lls freel y
R 005B Nor mal recuper ation R
005B0058 Increased recuper ation:incr eased
decele ration inove rrunmod e
R 005B00580058 Maximum recuper ation:maximum
decele ration inove rrun mode #
T T
o incr o
incr ease r ease
recuper ecuper
ation: ation:
brie0y pullpaddle
shiTer 1. #
T T
o r o
reduce r educe
recuper ecuper
ation: ation:
brie0y pullpaddle
shiTer 2. #
T T
o select o
select 005B0058: pulland hold paddle shiTer
1 or2.
The Instr ument Displaysho wsthecur rentl ysel ec-
te dre cuper ationleve lne xt to thetransmission
position display. ECEC
OAssis O
Assis tfun ction t
fun ction %
ECOAssis tis no tav ailabl ein all coun tries.
Depe nding on theve hicle' seq uipme nt,di.er -
ent events ahead canbedetected.
EC OAssis tis activ eonl yin 005B0058
(/ page151).
EC OAssis tanal yzes datafo rth eve hicle' sex pec-
te dro ute. This allowsthesy stem tooptimall y Dr
ivin gand parking
151 151

adju
stthedr iving styleforth ero uteahead ,use
minimal energyand recuper ate.
EC OAssis tis displa yedon theAssistance
menu(/ page232). Ifth esy stem detects an
ev ent ahead, e.g.ave hicle ahead, andthedr iving
sty lecan beoptimized, theeve ntwil lapp ear on
th einst rument displa y.
Depending ontheve hicle' seq uipme nt,th efo llo w-
ing events canalso bedetected and displa yedfo r
th ero utesection ahead:
R Speed limit
R Downhill gradien t
R Intersecti onsand roundabouts
R Cur ves VV
ehicles wit ehicles
withDr h
Dr iving Assist iving
Assist anceP ance
Pac k ac
kag ag
e: e:
Inorder
fo rEC OAssist toreact toaspeed limit,theaut o-
matic adoptionofspeed limitsmustbeactiv ated
(/ page206). These routeev ents willbedetec-
te donl yif ro ute-based speedadaptation isacti ve
( / pag e196). 1
Event ahead
2 Distance displa yfo rth eev ent ahead
3 "Foo to. theacceler ator" recommen dation
The segmen tsof dis tance displa y2 show the
dist ance totheev ent ahead asfollo ws :
R Afew segme ntslig ht up: theev ent ahead is
near .
R Man ysegments lightup:theev ent ahead is
fur ther awa y.
If EC OAssi stisacti ve,"F oo to. theacceler ator"
symbol 3willappear ontheDriveAssist menu
on theinst rument displa y,on thehead-up display
and next to thetransmission positiondisplay. 152152
Dr
iving andparking

When
theve hicle nearsan event, ECOAssist will
calculat eth eop timal speed forminimal energy
consum ption based onthedist ance andspeed.
"F oo to. theacceler ator" recommen dation3will
appear ontheinst rument displa y.
If yo uta ke your foot o. theacceler ator pedal in
good time, there mainin gsegment son thedispla y
will success ivel ytur ngr een until theeve ntshow n
is reac hed. Thedrivet ra in will besetfo rminimal
ener gyconsum ption. Thevehicle willrecuper ate
aut onomo uslyand thus charge thehigh-v oltage
batt ery.
% Youcan also manuall yincr ease orreduce
re cuper ation.Ho wev er,EC OAssist isavaila-
ble onlyin the005B0058 setting (/page151).
If th er eis no response to"Foo to. theacceler a-
to r" recommen dation3,thesegments will
re main white.
The event willbesho wnfora shor ttime aTer it
has been passed.
If th eev ent invo lves ave hicle infront ,all seg-
men tswill immed iatelytur ngr een once ther eis a
re sponse to"Foo to. theacceler ator" prom pt3 . If
EC OAssi stcann otidentify are commen dation
fo radjustin gth edr iving styleforth eev ent ahead,
no thing will bedispla yed. The system will bepas-
siv e.
Sy st Sy
stem limits em
limits
EC OAssist canfunction even mor epr ecisel yif
th ero uteis adher edtowhen routeguidance is
activ e.The basic function isalso availabl ewithout
activ ero uteguidance. Notall information and
tr a1c situations canbefore seen .The qualit y
depen dson theav ailabl emap data.
EC OAssis tis onl yan aid. Thedriver isresponsi ble
fo rke eping asaf edist ance from theve hicle in
fr ont ,fo rve hicle speed andforbr aking ingood
time. Youmust beready tobrak eat all times irre -
specti veofwhe ther thesy stem isactiv e.
The system maybe impair edorma yno tfunction
in thefo llo wing situations:
R Ifth er eis poor visibility ,e.g. duetoinsu1c ient
illumination ofthero ad, highl yva riable shade
cond itions, rain, sno w,fogor hea vyspr ay.
R Ifth er eis glar e,e.g. from oncoming tra1c,
dir ect sunlight orre0ectio ns. R
Ifth ewindshield isdir tyinthevicinity ofthe
multif unctioncamer a.
R Ifth emultifun ctioncamer ais fogg ed up, dam -
ag ed orobs cured.
R Ifro ad sign sar ehar dto detect, e.g.due to
dir t,sno wor insu1cien tlightin g,or because
th ey areobscur ed.
R Ifth edigit alroad map ofthena vig ation sys-
te m has incor rect or outdat edinformation .
R Ifsign sar eambigu ous,e.g.ro ad sign sin road-
wo rksor inadjace ntlane s.
R Ifth era dar sensor sar edir tyor obscur ed.
R When youdr ive on roads withsteep uphil lor
do wnhil lgr adien ts.
R Ifth er ear enar row vehicles infront ,suc has
bicy cles ormo torc yc les. DD
YN YNAM
ICSELECT switch AMIC
SELECT switch FF
unction oft unction
ofthe D he
DYN YNAM
ICSELECT switch AMIC
SELECT switch Use
theDY NAMI CSEL ECTsw itchto chang e
be tween thefo llo wing drive pr og rams:
(/ page155) . Dr
ivin gand parking
153 153

#
When leaving theve hicle, alwaysta ke the
Sma rtKe ywit hyo uand lockth eve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. Use
theDIRECT SELECT leve rto switc hth etrans-
mission position. Thecurrent trans missionpos i-
tion isdis pla yedin theinst rument displa y. 005D
Park position
005E Reversege ar
005C Neutral
005B Drive position
Eng Eng
aging rev agin
gre ver er
se g se
gear R ear
R #
Depr essthebr ak epedal andpush theDIRECT
SELECT leve rupw ards past the/r st point of
re sis tance. Eng Eng
aging neutr aging
neutralN al
N #
Dep ress thebr ak epedal andpush theDIRECT
SELECT leve rup ordown tothe/r st point of
re sis tance.
Subs equentl yre leasing thebr ak epedal willallow
yo uto mo vetheve hicle freel y,e.g. topush itor
to w itawa y.
If y If
you w ou
want t ant
the tr he
transmi ssiont ansmi
ssionto r o
remain inneu tr emain
inneu tral al
N ev N
even ift en
ifthe v he
vehicle isswitc ehicle
isswitc hed hed
o.: o.:
#
Startth eve hicle. #
Depr essthebr ak epedal andengageneutr al
005C. #
Release thebr ak epedal. #
Switc ho. theve hicle.
% Ifyo uth en exitth eve hicle leavingth eSmar t-
Ke yin theve hicle, thetransmission remains in
neut ral005C.
Eng Eng
aging par aging
parkposition P k
position P #
Obser vetheno teson par king theve hicle
(/ page174). #
Depr essthebr ak epedal untiltheve hicle
comes toast ands till. Dr
iving and parking
157 157

#
When theve hicle isstation ary, press button
005D.
Pa rk position isonl yeng aged when thetrans-
mission position display005D issho wninthe
dr iver's displa y.Ifno transmi ssionpositiondis-
pla y005D appear s,secur eth eve hicle toprev ent
it from rolling away.
Pa rk position 005Diseng aged aut omaticall yif one
of thefo llo wing conditions isme t:
R Youswitc hth eve hicle o.intransmi ssionposi-
tion 005Bor005E.
R Youopen thedr iver's door when theve hicle is
at ast ands tillor when drivi ng atave ry low
speed andthetransmission isin position 005B
or 005E.
% Tomaneuv erwit han open driver's door ,open
th edr iver's door while stationar yand engage
tr ansmission position005Bor005E again.
% Ifyo uha ve eng aged par kposition 005Dor
switc hedo.theve hicle andnotransmi ssion
posit iondispl ayisdispla yed, secur eth eve hi-
cle from rolling away(/ page179 ). Eng Eng
aging dr agi
ng driv iv
e posi tionD e
posi tionD #
Dep ress thebr ak epedal andpush theDIRECT
SELECT leve rdo wn past the/r st point of
re sis tance. FF
uncti onoft uncti
onofthe 4MA he
4MA TIC TIC
The 0exib leall-wh eel distr ibutionofthe4MA TIC
means thedr ive is alw aysideal lydist ribut ed
be tween both axles. Depending on thesituation,
onl yth efront axle oronl yth ere ar axle canbe
dr iven, orthedr ive can bedistr ibutedcontinu-
ousl ybe tween both axles.
This mean sth at recuper ationcanbeused even
mor ee.ect ivel yand thera ng eof theve hicle can
be incr eased (/page150) .
To get her withESP ®
and 4ETS,4MA TICimprove s
th etraction ofyour vehicle whene vera dr iven
wheel spinsduetoinsu1c ienttraction.
If yo ufa ilto adap tyo ur driving style, 4MA TICcan
neit her reduce therisk ofan acciden tnor override
th elaws ofphysics. Itcanno tta ke intoaccount
ro ad, weather ortra1c cond itions. 4MATICisonl y
an aid. Youar ere sponsi bleespeci allyfo rmain-
ta ining asaf edist ance from theve hicle infront , fo
rve hicle speed, forbr aking ingood timeandfor
st ay ing inlane.
% Inwintr yro ad cond itions, themaximum e.ect
of the0e xible all-wheel distribution canbe
ac hie vedonl yif yo uuse wintertires (M+S
tir es), withsno wch ains ifnece ssary. CharChar
ging t ging
the high-v he
high-v olt olt
ag ag
ebatt e
batt ery er
y NNo o
t t
es on c es
on char har
ging t ging
the high-v he
high-v olt olt
ag ag
ebatt e
batt ery er
y *
N NO O
TE TE
High-v oltagebatt erydamag edue to
lea ving theve hicle idleforlengt hyper iods
of time Lit
hium-ion batteries exper ience anatur alself-
disc harge.
Exhausti vedisc harging canther efor eoccur if
th eve hicle isidle forse veralmont hs.This can
damag eth ehigh-v oltagebatt ery. #
Toavo iddamag e,please observethefo l-
lo wing recommen dationswhen handli ng
th ehigh-v oltagebatt ery. 158158
Dr
iving andparking

1
Socketfo rch argin gwit halt ernat ing current
2 Socketex tensio nfo rch argin gwit hdir ect cur-
re nt
% Whe nusi ng aCCS (Combi ned Charging Sys-
te m) chargin gcable tocharge withdir ect cur-
re nt, both areas oftheve hicle socketar eco v-
er ed bythech argin gcable connector. Char
gingop tio ns forth ehigh-v oltagebatt ery
(mode 2,3or 4):
R Char ging thro ugh recuper ationwhile theve hi-
cle isin mo tion
R Char gingwit halt ernat ing current wh en sta-
tiona ry:
- Atamain ssoc ket(mo de2)
- Atawa llbo xor chargin gst atio n(mode 3)
R Char gingwit hdir ect current wh en statio nary:
- Atafa st chargin gst atio n(mode 4)
Depen dingon thecount ry-sp eci/c vehicle equip-
men tand your vehicle' sch argin gcable, single
phase ACchargin gis also possibl e.
Obser vethedi.er entgrid requ irements ofyour
cur rent loc atio nwh en chargin g.Onl yuse chargin g
cables whichconf orm to thegr id requ irements.
Consult aqu ali/ed electrician oryour local grid
oper ator ifyo uha ve anyqu estion s.
It is recommen dedthat youch arge thehigh-v olt-
ag ebatt eryat awa llbo xor chargin gst atio ndue to
th eim prove dch argin gper form ance andbetter
ch argin ge1cie ncyo.er ed. S S
t t
o o
wing t wing
the c he
char har
gingcable gin
gcable
Alw aysst ow theve hicle chargin gcable inthe
ch argin gcable bagprov ided andsecur eit in the
tr unk orcar gocom partment ofyour vehicle.
Ot her wise, thech argin gcable isno tsu1cie ntly
secur ed.
Sy st Sy
stem limits em
limits
The powe routput ofthehigh-v oltagebatt eryma y
be impair edbythefo llo wing:
R High orlow outside tempe ratur es
R Elec trica laux iliaryconsume rsintheve hicle
bein gswitc hedon,e.g.oper atingth eair con-
ditioning system
R Extended periods without chargin g
The chargin gtime ofthehigh-v oltagebatt eryma y
be incr eased bythefo llo wing:
R High orlow outside temp eratur es
R Extended periods without chargin g
R The maximum availabl ech arge cur rent ofthe
ch argin gfa cilit y
R The setting sof thech argin gpr ocess inthe
multimed iasystem (/ page172) 160160
Dr
ivin gand parking

#
Chec kth ese tting ofthemaximum
ch arge cur rent usi ng thech argin gcapa-
city shownintheInstr ument Display. Bef
orech argin gat amain ssoc ket,ha ve themaxi-
mum permissible chargin gcur rent forth ere leva nt
ma ins soc ketor thebuilding inspectedbyaqu ali-
/ed elect rician. Thechargin gcable suppliedisse t
to acountr y-speci/c maximum chargin gcur rent
va lue. When chargin gabr oad, themaximum value
ma yex ceed theper mitt edvalue forth at coun try.
When abroad, obser vethecount ry-sp eci/c laws
when chargin g.Ifyo uha ve question sconcer ning
se tting thech argin gcur rent or ifth er eis amal-
function ,please contactaqu ali/ed special ist
wo rkshop. #
Setth emaximum permissible chargin gcur -
re nt inthemultimedia system menu
(/ page172).
If th eex act value ofthemaximum permissible
ch argin gcur rent canno tbe set,sel ect thene xt
smaller adjustablevalue.
% Ifth eve hicle requ ires mor etime than usual to
ch arge thehigh-v oltagebatt ery, ch eckth e maximum
chargin gcur rent settings inthe
multimed iasystem menu. OvOv
er er
vie vie
wof t w
of the c he
char har
ging cable contr ging
cable controlpanel ol
panel The
chargin gcable controlpanel showsthecur -
re nt status ofthech argin gpr ocess. 1
Suppl yvo ltag eindicat or
2 Char ging process indicat or
3 Temp eratur emonit orindicat or
4 Safetysy stem indicat or Sup
pl Sup
plyv y
volt olt
ag ag
eindicat e
indicat or or
1 1
Disp
lay Disp
lay Meaning Me
aning
Lig hts upwhit eT hesuppl yvo ltag eis
connect ed. CharChar
ging pr ging
process indicat ocess
indicat or or
2 2
Displa
y Displa
y Meaning Meaning
Flashes green Thehigh-v oltagebat-
te ry isch argin g. 164164
Dr
iving and parking

The
follo wing chargin gtime scan beselect ed:
R Off (no depar turetime )
R Once (XX)
R Wee kPro file #
Select ase tting .
Se Se
tting asing ledepar tti
ng asing ledepar tur tur
etime e
time #
Select Depa rtureTime. #
Select Once (XX). #
Select Z. #
Seta depar turetime .
Se Se
tting t tti
ng the w he
week eek
pr pr
o/le o/le
#
Select Depa rtureTime. #
Select Wee kPro file. #
Select Z. #
Add New Time #
Setth edesir eddepar turetimes, e.g.every
da yat 8a.m. #
Select 0076. Sear
c Sear
ching f hing
for c or
char har
ging st ging
stations ations
#
Select Search forCha rging Stations. #
Enterthesear chterm and select Charg ing
Stati on.
Se Se
tting t tti
ng the maximum c he
maximum char har
gingcur r gin
gcur rent ent
#
Select Home ,Wor kor Stand ard. #
Select Maximu mCh arg eCu rrent . #
Select Maximu m,8Amps or6Amps .
When thehigh-v oltagebatt eryis ch arge d, the
ch argin gcur rent islimi tedto theselect ed
am per age.
% The value ofthemaximum chargin gcur rent
dep ends onthe/x ed value chargin gcable
whic hwa spr ov ided.
Se Se
tting t tting
the maximum st he
maximum stat at
eof c e
of char ge har
ge #
Sele ctHo me, Workor Stand ard. #
Sele ctMax imum State ofChar ge. #
Setth edesir edper cent age.
The high-v oltagebatt eryis ch arge dup tothe
se tper cent ageas amaximum. %
The percent agecan besetin incr emen tsof
10% .
A maximum stat eof charge of80% isrecom-
mende d.Hig her maximum stat es ofcharge
can dimin ishthelong evity ofthehigh-v oltage
batt ery(/ page158).
% Assoon asthefull stat eof charge isreac hed,
a no ti/cation issho wninthemedia display
th at thech argin gpr ocess iscom pletedand
th ejour neyma ybe continued.
U Unloc nloc
king t king
the c he
char har
ging cable (mode 2,3or 4) ging
cable (mode 2,3or 4)
When thefunction isactiv e,thech argin gcable is
unl ockedwhen themaximum stat eof charge is
re ac hed. #
Select Home orWor k. #
Activateor dea ctivateUnloc kCharging Cable.
A A
ctiv ctiv
ating ordea ctiv ating
ordea ctivating location-ba sedc ating
location-ba sedchar harging ging
If th efunction isactiv eand pertinent addresses
ha ve been stor ed inthena vig ation destinations,
th ecor respond ingchargin gpr og ram isaut omati-
call yselect edassoon astheaddr essisreac hed
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Select Home orWor k. Dr
iving and parking
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