tow MERCEDES-BENZ EQB 2023 Repair Manual

ASS
YS ASS
YSTPL T
PL US ser US
service int vice
interv er
val dis pla y al
dis pla y FF
uncti onoft uncti
onofthe ASS YS he
ASSYST PL T
PL US ser US
service int vice
interv er
val dis - al
dis -
pla y pla
y The
ASSYSTPL US service interva ldispla yon the
inst rument displa yinf orms youof thene xt regula r
ser vice duedate.
Depe nding ontheoper ating conditions ofthe
ve hicle, there mainin gtime ordist ance untilth e
ne xt ser vice duedatewil lbe displa yed.
Yo ucan hide this ser vice displa yusing theG
bac kbutt onontheleT-h andside ofthesteer ing
wheel.
Yo ucan obtain information concerningtheser vic-
ing ofyour vehicle from aqu ali/ed special ist
wo rkshop, e.g.an aut hor izedMer cedes- BenzCen -
te r. DisplaDispla
yingt ying
the ser he
ser vice duedate vice
duedate On-boar
dcom puter:
4 Service 5
ASSYST PLUS
The next ser vice duedateis displa yed. #
T T
o e o
exit t xit
the displa y he
displa y: :
pr ess theG backbut-
to non theleT-h andside ofthesteer ing wheel.
Bear inmind thefo llo wing relat ed topic:
R Oper ating theon-boar dcom puter
(/ page232). InfInf
or or
mation onr mation
onregular maint egular
maintenance w enance
wor k or
k *
N NO O
TE TE
Prematur ewe arthro ugh failur eto
obser veser vice duedates Main
tenanc ewo rkwhic his no tcar ried out at
th eright time orinco mplete ly can lead to
incr eased wearand damag eto theve hicle. #
Adher eto thepr escr ibed service inter-
va ls. #
Alwaysha ve thepr escr ibed maint enance
wo rkcar ried out ataqua li/ed specialist
wo rkshop. *
N NO O
TE TE
Irre par able damag eto thehigh-v olt-
ag ebatt erydue tomaint enance worknot
being carried out The
high-v oltagebatt eryis subject towe ar.
Main tenanc ewo rkwhic his no tcar ried out in
time canlead toirre par able damag eto the
high- voltag ebatt ery. #
Alwaysobser vethewa rning messa ges
about thehigh-v oltagebatt eryand
immediat elyconsult aqu ali/ed special ist
wo rkshop. #
Have thenecessar ymaint enance work
on thehigh-v oltagebatt erycar ried out at
a qu ali/ed special istwo rkshop. NNo o
t t
es on special ser es
on special service r vice
req eq
uir uir
emen ts emen
ts The
prescr ibed service interva lis based onnor -
mal oper ation oftheve hicle. Maintenanc ewo rk
will needto be per form ed mor eoTen than speci-
/ed ifth eve hicle isoper ated und erarduou scon-
dit ion sor incr eased loads. Thisisthecase forfr e-
qu ent oper ation inmount ainous terrain oron poor
ro ad sur faces, forex am ple. Main
tenanc eand care
281 281

*
N N
O O
TE TE
Dam agefrom automa ticbrak ing If
one ofthefo llo wing functions isswitc hed
on, theve hicle brak es aut omati callyin cer tain
situations:
R ActiveBr ak eAssi st
R ActiveDist ance AssistDIS TRONI C
R HOLD function
R ActivePa rking Assist
To avoid damag eto theve hicle, deactivat e
th ese systems inthefo llo wing orsimilar situa-
tions: #
Duringtowing #
Inacar wash *
N NO O
TE TE
Damag edue tounsuit ablecarwash #
Beforedr ivi ng intoacar wash mak esur e
th at thecar wash issuit able forth eve hi-
cle dimen sions. #
Ensu rether eis su1cien tgr ound clear-
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticu larthewidt hof the
guide rails, issu1cien t. To
avo iddamag eto your vehicle when usingacar
wa sh, ensu rethefo llo wing beforehand:
R ActiveDist ance AssistDIS TRONI Cis dea ctiva-
te d.
R The HOLD function isswitc hedo..
R The surround viewcamer aor there ar vie w
camer ais switc hedo..
R The side windowsand slidingsunr oofarecom-
ple tely closed.
R The blowerfo rth eve ntila tion/h eating is
sw itched o..
R The wind shield wipersw itchis in pos ition005A.
R The Smar tKey isat aminimum distance of
10 T(3 m) away from theve hicle. Other wise
th eta ilg atecould openunintentionall y. R
Inaut omati ccar washes withcon veyorsys-
te ms:
- Neut ral005C iseng aged.
- Ifyo uwo uld liketo lea vetheve hicle while
it is bein gwa shed, makesur eth eSmar t-
Ke yis locat edintheve hicle. Thepark
posit ion005Disother wise automati cally
eng aged.
% If,aTer thecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will prev ent smear ingand reduce wiper noise.
A A
ut ut
omatic carw omatic
carwash mode ash
mode
In car wash mode, theve hicle isprepar edfordr iv-
ing intoth eaut omatic carwash. Car wash mode
can beactiv ated ataspeed ofup to12 mph
(20 km/h )(/ pag e287).
The follo wing settings aremade whencarwash
mode isactiv ated:
R The outsi demir rors arefo lded in.
R Toprev ent thewindshield washer system from
st ar tin gup aut omati cally,thera in sensor is
deactiv ated.
R The rear wind owwiper isdeacti vated. 286286
Maint
enance andcare

R
Alwaysmak esur eth at nei ther younor thebat-
te ry iselectr ostaticall ych arge d.
R Keep awa yfrom /reand open 0ames.
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing points when
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
ap pro vedfo rMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc-
tion sbef orech argin gth ebatt ery.
Obser vetheadditional follo wing points during
st ar ting assist ance:
R Startin gassis tance mayonl ybe prov ided
using vehicles, batteries orother jump star t
de vice swit hanomi nalvoltag eof 12 V.
R The vehicles mustno tto uc h. SS
t t
ar ar
ting assist ting
assist anceandc ance
andchar har
ging t ging
the 12 Vbatt he
12 Vbatt ery er
y #
Onlyha ve star ting assist an ce pro vided bya
qu ali/ed special istwo rkshop, e.g.an aut hor -
ize dMer cedes- BenzCen ter. #
Onlyha ve thebatt erych arge dat aqu ali/ed
special istwo rkshop, e.g.an aut hor ized
Mer cedes- BenzCen ter. RR
eplacing t eplacing
the 12 Vbatt he
12 Vbatt ery er
y #
Onlyha ve thebatt eryre placed ataqu ali/ed
special istwo rkshop, e.g.at an aut hor ized
Mer cedes- BenzCen ter. TT
o o
w st w
star ar
tin gor to ting
ortowing away wing
away OvOv
er er
vie vie
wof t w
of the per he
per mitt mitt
edto ed
towing met wing
methods hods
*
N NO O
TE TE
Damag efrom automati cbr aking If
one ofthefo llo wing functions isswitc hed
on, theve hicle brak es aut omati callyin cer tain
situations:
R ActiveBr ak eAssi st
R ActiveDist ance AssistDIS TRONI C
R HOLD function
R ActivePa rking Assist To
avoid damag eto theve hicle, deactivat e
th ese systems inthefo llo wing orsimilar situa-
tions: #
Duringtowing #
Inacar wash Mer
cedes- Benzre commen dstranspor tingyo ur
ve hicle inthecase ofabr eakdo wn,rather than
to wing itawa y.
Fo rto wing ,use ato w rope ortow bar withbo th
axles onthegr ound. Donotuse tow bar systems.
If yo uno tice that theve hicle haslostcoolan t,do
no tha ve itto we daw ay.Ha ve theve hicle transpor -
te dins tead.
* N NO O
TE TE
Damag eto theve hicle duetotow-
ing awa yin cor rectl y #
Obser vetheinst ruction sand noteson
to wing away. Br
ea kd ow nas sist anc e
305 305

VV
ehicles wit ehicles
withfr h
front wheel dr ont
wheel drive iv
e PP
er er
mitt mitt
edto ed
towing met wing
methods hods
Bo th axles on
th egr ound Ye
s,maximum 30miles
(50 km) at30 mph
(50 km/h )*,onl yfo rw ards
wit hth edr iver inthecoc kpit.
Fr ont axle
ra ised Ye
s,maximum 30miles
(50 km)*at 30 mph(5 0km /h)
Re ar axle
ra ised No*The
towing rang eca nbe signi/c an tly lo we r
depending ontheactiv eauxiliar yconsumer sand
en vironment alconditions. 4MA 4MA
TICv TIC
vehicles ehicles
PP
er er
mitt mitt
edto ed
towing met wing
methods hods
Bo th axles on
th egr ound Ye
s,maximum 30miles
(50 km) at30 mph
(50 km/h )*,onl yfo rw ards
wit hth edr iver inthecoc kpit.
Fr ont axle
ra ised No
Re ar axle
ra ised No *The
towing rang eca nbe signi/c an tly lo we r
depending ontheactiv eauxiliar yconsumer sand
en vironment alconditions. TT
o o
wing t wing
the v he
vehicle wit ehicle
withbo t h
bo th axles ont h
axles onthe gr he
ground ound
#
Obser vetheno teson theper mitt edtowing
me thods (/page305). #
Mak esur eth at the12 Vbatt eryis connect ed
and charge d. Obser
vethefo llo wing points whenthe12 Vbat-
te ry isdisconnect edordisc harged:
R The drive sy stem canno tbe star ted
R The electric par king brak eca nno tbe released
or applied
R The transmiss ioncanno tbe shiTed toposition
005C or005D
In thefo llo wing situations, onlytranspor tingthe
ve hicle isper mitt ed:
R Ifth etransmission cannotbe shiTed to005C
R Ifth e12 Vbatt eryis disconnect edordis-
ch arge d
R Ifth edispla yin theins trument clusterisno t
wo rking
R Ifth eá TowingNot Permitted SeeOper-
ator's Manua lmessag eis displa yed
R Ifth e00BD Check CoolantLevel SeeOpera-
tor's Manua lmessag eis displa yed
R Ifth e0080 StopSwitch OffVehicle message
is displa yed 306306
Br
eakdo wnassist ance

#
Insuc hcases, transpo rttheve hicle
(/ page308).
* N NO O
TE TE
Damag edue totowing away at
ex cessiv elyhigh speeds orove rlong dis-
ta nces The
drivet ra in could bedamag edwhen towing
at excessiv elyhigh speeds orove rlong distan-
ces. #
Atowing speed of30 mph(5 0km /h)
mu stno tbe exceeded. #
Atowing distance of30 mile s(50 km)
must notbe exceeded. &
W W
AR NIN G AR
NIN GRisk ofacciden twhen towing a
ve hicle whichis toohea vy
If th eve hicle tobe tow- star tedor towe dawa y
is hea vier than theper missible gross mass of
yo ur vehicle, thefo llo wing situations can
occur :
R The towing eyema ybecome detach ed. R
The vehicle/ trailer combin ationmay
sw erve orrollo ver. #
Beforeto w- star ting ortowing away,
ch eckif th eve hicle tobe tow- star tedor
to we dawa yex ceeds theper missible
gr oss mass. If
ave hicle mustbe tow- star tedor towe dawa y,its
per missible gross mass mustnotex ceed theper -
missible gross mass oftheto wing vehicle. #
Informatio non theper missible gross mass of
th eve hicle canbefound ontheve hicle identi-
/cation plate(/ page345) .
T T
o o
wing awa wing
awayt y
the v he
vehic le ehic
le #
Installth eto wing eye(/ page309). #
Fasten theto wing device .
* N NO O
TE TE
Damag edue toincor rect conn ec-
tion oftheto w bar #
Onlyconn ecttheto w rope ortow bar to
th eto wing eyes. #
Deactiv ateth eaut omatic locking mechanism
(/ page74). #
Donotactiv ateth eHOLD function . #
Deactiv ateth eto w- awa yalar m(/ page89). #
Deact ivat eAc tiveBr ak eAssi st(/ page204). #
ShiTthetransmission toposition 005C. #
Release theelectr icpar king brak e. #
Remain inthecoc kpit during towing and
obser vethedispla ymessag es. #
Donotswitc ho. theve hicle while itis bein g
to we d. #
Donotopen thedr iver's door orfront
passeng erdoor ;th etransmission willother -
wise automati callyshiT to005D . &
W W
ARNI NG ARNI
NGRisk ofaccid ent due tolimit ed
saf ety-re lat ed functions during theto wing
pr ocess
Saf ety-re lat ed functions arelimit edorno lon-
ge rav ailabl ein thefo llo wing situations:
R The vehicle isswitc hedo.. Br
eakdo wnassis tance
307 307

R
The brak esy stem orpowe rst eer ing sys-
te m ismalfun ctioning.
R The ener gysuppl yor theon-boar delectr i-
cal system ismalfunctionin g. #
Insuc hcases ,do notto w theve hicle. #
Transpo rttheve hicle (/page308) .
* N NO O
TE TE
Damag eto thedr ive sy stem due to
incor rect towing The
vehicle mayno tbe towe din thefo llo wing
situations:
R The vehicle isswitc hedo..
R The brak esy stem orpowe rst eer ing sys-
te m ismalfun ctioning.
R The ener gysuppl yor theon-boar delectr i-
cal system ismalfunctionin g. #
Insuc hcases ,do notto w theve hicle. *
N NO O
TE TE
Damag edue toexcessiv etractiv e
po we r If
yo upull awayshar ply, thetractiv epo we r
ma ybe toohigh andtheve hicles couldbe
damag ed. #
Pullawa yslo wly and smoo thly. Loading
t Loading
the v he
vehic lef ehic
lefor tr or
transpo rt anspo
rt #
Obser vetheno teson towing away
( / pag e305). #
Connect theto wing device totheto wing eye
in order toload theve hicle. #
ShiT thetransmission toposition 005C.
% The transmission maybe lockedin position
005D intheev ent ofdamag eto theelectr ics.To
shiT to005C ,pr ov ide theon-boar delectr ical
sy stem withpo we r(/ page305). #
Load theve hicle ontoth etranspor ter. #
ShiT thetransmission toposition 005D. #
Use theelectr icpar king brak eto secur eth e
ve hicle agains tro lling away. #
Onlysecur eth eve hicle bythewheels.
V V
ehicles wit ehicles
withadap h
adap tiv tiv
edam e
dam ping adjus ping
adjustmen t tment
&
W W
ARNIN G ARNIN
GRisk ofan accident whentrans-
por ting vehicles withadap tivedam ping
adju stmen t
When transpo rting vehicles withadap tive
dam pingadju stmen t,theve hicle/ trailer com-
bin ation maybeg into rock and star tto skid. #
Load theve hicle correctl yont oth e
tr ansp orter. #
Sec ureth eve hicle onallfour wheels
wit hsuit able tensio ning straps . #
Donotex ceed themaximum permissible
speed of35 mph(6 0km /h)wh en tran s-
po rting. 308308
Br
eakdo wnassist ance

*
N N
O O
TE TE
Dam ageto theve hicle from secur -
ing itinco rrectl y #
ATer loading, theve hicle mustbe
secur edon allfour wheels. Other wise,
th eve hicle could bedamag ed. #
Amin imum distance of8in (20 cm)
upw ards and 4in (10 cm) down wards
must bekept tothetranspor tplatf orm. #
Secur eth eve hicle onallfour wheels aTer
loading. #
Mak esur eth at thefront and rear axles come
to rest on thesame transpor tation vehicle. *
N NO O
TE TE
Damag eto thedr ive train due to
incor rect positi oningof theve hicle #
Donotposit iontheve hicle abovethe
conn ectionpoin tof thetranspor tve hi-
cle. TT
o o
wing ey wing
eyest e
stor or
ag ag
elocation e
location To
wing eyeis under thecar gocom partment 0oor. InstInst
alling andr alling
andremo emo
ving t ving
the to he
towing eye wing
eye #
Press themar kon cover1 inwa rdsand
re mo ve. #
Screw intheto wing eyecloc kwise asfaras it
will goand tight en. #
Mak esur eth at cover1 engages inthe
bum perwhen youre mo vetheto wing eye. Br
eakdo wnassist ance
309 309

*
N N
O O
TE TE
Dam ageto theve hicle duetoincor -
re ct use oftheto wing eyeor trailer hitch When
ato wing eyeor trailer hitchis used to
re co vera ve hicle, theve hicle maybe damag ed
in thepr ocess. #
Onlyuse theto wing eyeor trailer hitchto
to w awa yor tow star tth eve hicle. #
Donotuse theto wing eyeor trailer hitch
to tow theve hicle during reco very. TT
o o
w w
-st -st
ar ar
ting t ting
the v he
vehic le ehic
le #
Ifth edr ive sy stem does notst ar t,ha ve the
ve hicle transpor tedto aqu ali/ed special ist
wo rkshop, e.g.an aut hor izedMer cedes- Benz
Cen ter. #
The drive sy stem canno tbe star tedby tow-
st ar ting theve hicle. Donotper form any
att em ptsto tow- star tth eve hicle. Elect
r Elect
rical fuses ical
fuses NNo o
t t
es on elect r es
on elect rical fuses ical
fuses &
W W
AR NIN G AR
NIN GRisk ofacciden tand injurydue
to ove rloaded lines
If yo umanipulat eor bridg eafa ulty fuse orif
yo ure place itwit hafuse withahigher amper -
ag e, theelectr icline could beove rloaded.
This could result ina/r e. #
Alwaysre place faulty fuses withspeci-
/ed newfuses containing thecor rect
am per age. *
N NO O
TE TE
Damag edue toincor rect fuse s Electr
icalcom pone ntsorsystems maybe
damag edbyincor rect fuse s,or their function -
ality maybe sign i/can tly im pair ed. #
Onlyuse fuses that have been approved
by Mer cedes-Be nzand which ha ve the
cor rect fuse rating. Blo
wn fuses mustbereplaced withfuses ofthe
same rating, whichyoucan recogn izebythecolor and
thelabel. Thefuse ratings andfurther infor-
mation tobe obser vedcan befound inthefuse
assignment diagram.
F F
use assignmen tdiag r use
assignmen tdiag ram: am:
onthefuse boxin the
engine compartment (/page311).
* NO NO
TE TE
Damag eor malfunctions causedby
moist ure Mois
turema ycause damag eto theelectr ical
sy stem orcause itto malfun ction. #
When thefuse boxis open, makesur e
th at no mois turecan enterthefuse box. #
When closing thefuse box,mak esur e
th at theseal ofthelid ispositioned cor-
re ctl yon thefuse box. If
th ene wly inser tedfuse alsoblows,ha ve the
cause traced andrecti/ed ataqu ali/ed special ist
wo rkshop.
Ensur eth efo llo wing beforere placing afuse:
R The vehicle issecur edagains tro lling away.
R Allelec trica lcons umersareswitc hedo..
R The vehicle isswitc hedo.. 310310
Br
eakdo wnassis tance

R
Max imumper mis sibleloa d3 com prise sth e
gr oss weight ofall vehicle occupan ts,load and
lug gage .
R Recommen dedtirepr essur e1 forcold tires.
The recommen dedtirepr essur esareva lid for
th emaximum permissible loadanduptothe
maximum permissible vehicle speed.
Ple ase also note:
R Informati onon per missi bleweights andloads
on theve hicle identi/cation plate
(/ page345) .
R Informatio non tirepr essur ein thetir epr es-
sur eta ble (/ page317).
Fu rther relat ed subjects:
R Determ ining themaximum permissible load
(/ page322)
R Noteson tirepr essur e(/ page315). SS
t t
eps f eps
for De t or
De ter er
min ingCor r min
ingCor rect Load Limit ect
Load Limit The
follo wing steps have been developed as
re qu ired ofallma nuf actur ersunder Title 49, Code
of U.S. Feder alRe gula tions ,Pa rt575, pursuant toth
e"N ational Tra1c andMotorVe hicle SafetyAc t
of 1966". #
(1): (1):
Locat eth estat ement “The combin ed
we ight ofoccupa ntsand cargoshould never
ex ceed XXXkgorXXX lbs.”on your vehicle' s
placar d. #
(2): (2):
Determ ine thecombined weight ofthe
dr iver and passeng ersth at will beriding in
yo ur vehicle. #
(3): (3):
Subtr act thecombined weight ofthe
dr iver and passeng ersfrom XXX kgorXXX lbs. #
(4): (4):
The result ing /gur eeq uals theav ailabl e
amoun tof car goand luggage load capac ity.
Fo rex am ple, ifth e"XXX" amount equals
1,400 lbs.and ther ewill be/ve150 lbpas-
seng ersin your vehicle, theamount ofavaila-
ble cargoand luggage load capac ityis
650 lbs.(1,400 -750 (5x150) =650 lbs.) #
(5): (5):
Determ ine thecombined weight oflug-
ga ge and cargobein gloaded ontheve hicle.
That weight mayno tsaf elyex ceed theav aila-
ble cargoand luggage load capac itycalcula -
te din Step 4. #
(6): (6):
Ifyo ur vehicle willbetowing atrailer ,load
fr om your trailer willbetransf erredto your
ve hicle. Consult this manual todeterm ine how
th is reduces theav ailabl ecar goand luggage
load capac ityofyour vehicle.
% Notall vehicles areper mitt edtotow atrailer .
To wing atrailer isonl yper mitt edifatrailer -
hitc his ins talled. Please consult anaut hor ized
Mer cedes-Benz dealerifyo uha ve anyqu es-
tions about towing atrailer withyo ur vehicle.
Ev en ifyo uha ve calculat edtheto ta lload carefull y,
yo ushould stillmak esur eth at themaximum per-
missible gross weight andthemaximum gross
axle weight rating ofyour vehicle areno tex cee-
ded. Details can befound ontheve hicle identi/-
cation plate. #
Have your loaded vehicle –incl udin gdr iver ,
occupan tsand load –we ighed onave hicle
we ighbr idge.
The measur edvalues mayno tex ceed the
maximum permissible values stat ed on the
ve hicle identi/cation plate. 322322
Wheel
sand tires

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Drive on car efull y. #
Consult aqua li/ed specialist workshop.
v
Tow ingNot Permitte dSee
Ope rator'sManua l *T
hedrive sy stem ismalf unct ioning. #
Have theve hicle transpo rted onlyusing atranspor teror trailer (/page305).
ò Acoustic Presence Indica-
tor Inoperative *T
hesoun dge ner ator (acou stic vehicle warning system) ismalfunctioning. Nodriving noises arebeing produced. The
ve hicle mayno tbe hear dby other road user s. #
Drive wit hpar ticu larcar e. #
Visit aqu ali/ed special istwo rkshop.
To swi tch engi neoff, press
and holdStart/Sto pbu t-
ton foratleas t3 seco nds
or pre ss3time s. *Y
ouhave pressed thestar t/s topbutt onwhile theve hicle isin mo tion . #
Toswitc ho. thedr ive sy stem while theve hicle isin mo tion (/page146) . 364364
Displ
aymessag esand warning/in dicatorlam ps