ECU MERCEDES-BENZ E-CLASS COUPE 2020 Service Manual

#
Push handle 1.
The red0049 (USA)or0024 (Canada) indica‐
to rlam papp earsin theins trument cluster.
% The electr icpar king brak eis onl ysecur ely
applied ifth eindicat orlam pis lit con tinu‐
ously .
Re leasing #
Swit chon theignition . #
Pull handle 1.
The red0049 (USA)or0024 (Canada) indica‐
to rlam pin theins trument clustergoes out.
Emer gency braking #
Press and hold handle 1.
As long astheve hicle isdriving, thePlease
Release ParkingBrak emessag eis displa yed.
When theve hicle hasbeen brak ed toa
st ands till,th eelectr icpar king brak eis
applied. Thered0049 (USA)or0024 (Can‐
ada) indicat orlam pappear sin theins tru‐
ment cluster. Inf
orma tion ondetectin gda ma geon a
pa rked vehicl e If
acolli sion isde tected whe nth eto w- aw ay
alar misarmed onaloc kedve hicle, youwill
re cei veano tificat ion inthemultimedia system
when youswit chon theignition .
Yo uwill recei veinformatio nabout thefo llo wing
point s:
R The area oftheve hicle that ma yha ve been
damag ed.
R The forc eof theim pact.
The follo wing situat ionscanlead toinadv ertent
acti vatio n:
R Thepa rked vehicle ismo ved, e.g. inatw o-
st or yga rage .
% Dea ctivateth eto w- aw ay alar minorder to
pr eve ntina dvertent acti vatio n.Ifyo udeac ti‐
va te theto w- aw ay alar m,damag ede tection
wi llal so be dea ctivated.
% Inthecase ofsevere batt erydisc harging,
th efunc tion forde tecting damag eon a pa
rked vehicle isaut omaticall ydeactiv ated
to facil itat eth ene xt engine star t.
Sy stem limit s
De tection maybe restrict ed inthefo llo wing sit‐
uation s:
R The vehicle isdamag edwithout impact, e.g.
if an outside mirroris torn offor thepaint is
damag edbyake y.
R Impact occur sat low speed .
R The electr icpar king brak eis no tappl ied. No
teson par king theve hicl efo ran extended
per iod If
yo ulea vetheve hicle parkedfo rlong erthan six
we eks,itma ysuf ferdama gethro ugh disus e.
The 12Vbatt eryma yalso beimpair edordam‐
ag ed byhea vydisc harging.
% Further information canbeobt ained ata
qu alif ied spec ialistwo rkshop. Dr
iving andparking 17
1

If
th eve hicle deviat esfrom thedir ect ion desir ed
by thedr iver ,ES P®
can stabiliz eth eve hicle by
int erve ning inthefo llo wing ways:
R One ormor ewheels arebr ak ed.
R The engine outputisadap tedaccor dingto
th esituation .
ES P®
is deactiv ated ifth e00BB ESP®
OFF warn‐
ing lam plight sup con tinuousl yin theins trument
clus ter:
R Driving stabilit ywill nolongerbe improve d.
R Crosswind Assistis no long eractiv e.
R The drive wheels couldspin.
R ETS/4 ETStra ction control isstill act ive.
% When ESP®
is deact ivat ed, youar est ill assis‐
te dby ESP ®
wh en braki ng.
If th e00E5 ESP®
wa rning lam pflashes inthe
ins trumen tclus ter,one orseveralve hicle wheels
has reac hed itsgrip limit :
R Adaptyo ur drivin gst yle to suit thecur rent
ro ad and weather condition s. R
Donotdeac tivateES P®
.
R Onlydepr esstheaccelera torpeda las faras
is necessar ywhen pulling away.
Dea ctivateESP ®
in thefo llo wing situat ionsto
im prov etraction :
R When usingsnowch ains .
R Indeep snow .
R Onsand orgrav el.
% Spinn ingthewheels results inacutting
action, whichenhances traction.
If th e00E5 ESP®
wa rning lam plight sup con tinu‐
ousl y,ESP ®
is no tav ailable duetoamalf unction.
Obse rveth efo llo wing informatio n:
R Warning and indic ator lam ps(/ page493 )
R Disp lay mess ages (/ page44 3)
ET S/4 ETS(E lec troni cTr actio nSy stem)
ET S/ 4ETS tracti oncontr olispa rtof ESP ®
and
mak esitpossible topull away and accelerat eon
a slippe ryroadw ay. ET
S/4ET Scan improve theve hicle's traction by
int erve ning inthefo llo wing ways:
R The drive wheels arebr ak ed individually if
th ey spin.
R Mor edr ive to rq ue istrans ferred tothewheel
or wheels withtra ction.
Inf luence ofdrive pr og rams onESP®
The drive pr og rams enabl eESP ®
to adap tto dif‐
fe re nt we ather and road con dition sas wellas
th edr iver's prefer reddr iving style. Youcan
sele ctthedr ive pr og rams using theDY NA MIC
SELE CTswitc h(/ page15 5). Dr
iving and parking 17
5

Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The driven spe edisat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. #
Toactiv atecr uise contr ol: press rock er
switc h1 up. #
Toactiv atecr uise contr ol: press rock er
switc h2 up(SET +)or down (SET -).
The current spe edisstor ed and maint ained
by theve hicle.
or #
Press rock er switc h3 up(RES).
The lastst or ed speed iscalled upand main‐
ta ined bytheve hicle.
If th elas tst or ed speed hasprev iousl ybeen
dele ted, thecur rently driven spe edisstor ed.
% When youswit choffth eve hicle, thelas t
speed stor ed isclear ed. #
Toincr ease/r educespeed:pr ess rock er
switc h2 up(SET +)or down (SET -)to the
pr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) .
or #
Press rock er switc h2 up(SET +)or down
(SET -)be yond thepr essur epoint .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or #
Accel erateth eve hicle tothedesir edspeed. #
Press rock er switc h2 up(SET +).
If cr uise control isactiv ated and Traf fic Sign
Assi sthas detected aspe edrestriction signwi th
a max imum permiss iblespee dand this isdis‐
pla yedin theins trument cluster,yo ucan choose
be tween thefo llo wing option s: #
Toadop tth ede tected spe ed: press rock er
switc h3 up(RES).
The maximum permissible speedshownby
th etraf fic sig nis stor ed and theve hicle
maint ainsthis speed. #
Todeac tivatecr uis eco ntr ol:pr ess rock er
switc h3 down (CNCL). #
Toswitc hof fcr uise contr ol:press rock er
switc h1 down.
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, cruise contr olisde acti vated. 18
4
Driving and parking

#
Dep ress theacceler ator pedal brief lyand
fi rm ly.
The funct ionsofActiveDis tan ceAssi st
DIS TRONI Cconti nuetobe car ried out. &
WARNIN GRisk ofacci dent dueto Active
Dis tance AssistDIS TRONI Cstill being
act ivat ed when youlea vethedr iver's
seat
If yo ulea vethedr iver's seat while theve hicle
is being brak ed byActiveDis tan ceAssi st
DIS TRONI Conly ,th eve hicle canrollaw ay. #
Alw aysdeactiv ateAc tiveDis tance
Assi stDIS TRONI Cand secureth eve hi‐
cle topreve ntitfrom rolling away
bef oreyo ulea vethedr iver's seat. #
Todeac tivateAc tiv eDi stance Assist
DI ST RO NIC :press rock er switc h4 down
(CNCL). #
Toincr ease/r educespeed:pr ess rock er
switc h3 up(SET +)or down (SET -)to the
pr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) .
or #
Press rock er switc h3 up(SET +)or down
(SET -)to thepr essur epoint andhold.
The stor ed speed isincr eased orreduced in
incr ement sof 1mp h(1 km/h).
or #
Press rock er switc h3 up(SET +)or down
(SET -)be yond thepr essur epoint .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or #
Press rock er switc h3 up(SET +)or down
(SET -)and hold beyond thepr essur epoint .
The stor ed speed isincr eased orreduced in
incr ement sof 5mp h(1 0 km/h). #
Toincr ease orreduce thespecified dis‐
tance from theve hicl ein front :pr ess
ro ck er switc h2 upordown. Oper
ating Activ eDi stance AssistDI ST RO NIC
Re quirement s:
R The vehicle hasbeen star ted.
R The elect ric pa rking brak eis released.
R ESP®
is act ivat ed and isno tint erve ning .
R The trans mis sion isin po sitio n005B.
R The driver' sdo or isclo sed .
R Checkof thera dar sensor system has been
success fullycom pleted.
R Parking AssistPA RK TRONI Cis no tbein g
used topar kth eve hicle ortoexitfrom a
par kingspace.
R The vehicle does notskid. 18
8
Driving and parking

Deact
ivat ing Activ eDi stance Assist
DI ST RO NIC &
WARNIN GRisk ofacci dent dueto Active
Dis tance AssistDIS TRONI Cstill being
act ivat ed when youlea vethedr iver's
seat
If yo ulea vethedr iver's seat while theve hicle
is being brak ed byActiveDis tan ceAssi st
DIS TRONI Conly ,th eve hicle canrollaw ay. #
Alw aysdeactiv ateAc tiveDis tance
Assi stDIS TRONI Cand secureth eve hi‐
cle topreve ntitfrom rolling away
bef oreyo ulea vethedr iver's seat. #
Press rock er switc h4 down (CNCL).
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, ActiveDis tance Assist
DIS TRONI Cis de acti vated.
Incr easing orreduci ngthe speed #
Press rock er switc h3 up(SET +)or down
(SET -)to thepr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) . or #
Press rock er switc h3 up(SET +)or down
(SET -)to thepr essur epoint andhold.
The stor ed speed isincr eased orreduced in
incr ement sof 1mp h(1 km/h).
or #
Press rock er switc h3 up(SET +)or down
(SET -)be yond thepr essur epoint .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or #
Press rock er switc h3 up(SET +)or down
(SET -)and hold beyond thepr essur epoint .
The stor ed speed isincr eased orreduced in
incr ement sof 5mp h(1 0 km/h).
Re duci ngorinc reasin gth especif ieddis‐
tance from theve hicl ein front #
Press rock er switc h2 upordown. Fu
nction ofActiv eSpe edLimit Assist %
The follo wing function iscoun try- dependen t
and onlyav ailable incon junction withth e
Dr iving Assi stanc ePa ckag e. If
ach ang ein thespeed limitisde tected and
au tomatic adoptionofspeed limitsisactiv ated,
th ene wspeed isaut omaticall yadop tedas the
st or ed speed (/page223). 19
0
Driving and parking

Dep
endingonthecount ry,at speeds below
40 mph(60 km/h) thehazar dwa rning light s
switc hon aut omat ically.
When theve hicle isstatio nary,thefo llo wing
act ions arecar ried out :
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e
R ActiveDis tance AssistDIS TRONI Cis end ed
R The vehicle isunloc ked
R Ifpossib le,an emer gency callis place dto
th eMer cedes- Benzemergency callcent er
The driver can cance lth edeceler ationatany
time byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oracceler ating
R Pressing ast eer ing-wheel button
R Oper ating Touc hCon trol
R Activati ng ordeacti vating ActiveDis tance
Assi stDIS TRONI C Ov
erview ofActiv eDi stance Assist
DI ST RO NIC displa ysintheins trum ent clus‐
te r The
assis tance grap hicand thest atus displa y
sho wthest atus ofthefo llo wing functionsin the
ins trumen tclus ter:
R ActiveDis tance AssistDIS TRONI C
R Route-based speedadap tatio n
R ActiveSt eer ing Assis t Assis
tantdispla y 1
Route-based speedadap tatio n:typ eof route
eve nt
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 Own vehicle Dr
iving andparking 19
7

ing.
Onceth esy stem ispassiv e,symbol 1is
sho wnasgray inthemultifunc tiondispla y. Fu
nction ofHill StartAss ist Hill
StartAs sis tholds theve hicle fora shor t
time when pulling away on ahill under thefo l‐
lo wing condition s:
R The transmissio nis in posit ion005Bor005E.
R The elect ric pa rking brak eis released.
This gives youen ough timeto mo veyour foot
fr om thebr ak epedal totheaccelera torpeda l
and depr essitbef oreth eve hicle begins toroll
aw ay. &
WARNIN GRisk ofacci dent andinjury
due totheve hicle rolling away
Af tera shor ttime, HillStartAs sis tno longer
holds theve hicle anditcan rollaw ay. #
Ther efor e, swif tly mo veyour foot from
th ebr ak epedal totheacceler ator
pedal. Neveratt em pttolea vetheve hi‐
cle ifit is being heldbyHillSt artAs sis t. HOLD
functi on HOLD
functi on
The HOL Dfun ction holds theve hicle atast and‐
st ill wit hout requ iring youto depr essthebr ak e
pedal, e.g.while waitin gin traf fic.
The HOLD functionisonly anaid. The responsi‐
bility forth eve hicle safely standi ngstill remains
wit hth edr iver .
Sy stem limit s
The HOL Dfun ction isonl yint end edtoprov ide
assis tance when drivi ng and isno ta su fficien t
mean sof saf eguar dingtheve hicle agains tro lling
aw ay when statio nary.
R The incline mustno tbe great erthan 30%. Ac
tiv atin g/deac tivatin gthe HOL Dfun ction &
WARNIN GRisk ofan acci dent dueto the
HOLD functio nbei ng activ ated whe nyo u
lea vetheve hicle
If yo ulea vetheve hicle while onlyth eHOLD
func tion isbraking theve hicle, theve hicle
can rollaw ay inthefo llo wing situat ions:
R Ifth er eis amalfunct ioninthesy stem or
in thepo we rsupp ly.
R Ifth eHOLD function isdeactiv ated by
depr essing theacceler ator pedal orbrak e
pedal, e.g.byave hicle occupant. #
Alw aysdeactiv ateth eHOLD function
and secur eth eve hicle agains tro lling
aw ay bef orelea ving theve hicle. Dr
iving andparking 19
9

*
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist
To avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash Re
quirement s:
R The vehicle isstatio nary.
R The driver's door isclosed ortheseat belton
th edr iver's side isfastened.
R The engine isrunning orhasbe en automati‐
cally switc hedoffby theEC Ostar t/ stop
funct ion. R
The electr icpar king brak eis released.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The transmis sionisin position 005B,005Eor005C.
Ac tiv atin gthe HOL Dfunc tion #
Dep ress thebr ak epedal andafte ra shor t
time quickl ydepr essfurther until the00D9
displa yappear sin themultifunc tiondispla y. #
Release thebr ak epedal.
Deactiv atingtheHOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 dis‐
pla ydisappear sfrom themultifunc tiondis‐
pla y.
The HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
R The transmission isswitc hedtoposition 005D.R
The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
In thefo llo wing situat ions,th eve hicle isheld by
tr ans missi on positio n005D and /or bytheelectr ic
par king brak e:
R The seat beltisunf astened andthedr iver's
door isopened.
R The vehicle isswitc hedoff.
R Ther eis amalfunction inthesy stem orthe
po we rsupp lyis insuf ficie nt. DY
NA MIC BODY CONT ROLfun ction DY
NA MIC BODY CONTR OLcontinuously adjusts
th ech aract eristic sof thesuspension dampersto
th ecur rent operati ng and drivi ng cond itions.
The damp ing istun edindiv idually foreac hwhee l
and isaffect ed bythefo llo wing fact or s:
R The road sur face condi tions
R Vehicle load
R The drive pr ogr am select ed
R The driving style 200
Driving andparking

When
youen gage reve rsege ar,th eimag efrom
re ar vie wcam era1 issho wninthemultimedia
sy stem. Dynamic guidelinesshowthepat hth e
ve hicle willtake wit hth esteer ing wheel inits
cur rent positio n.Thi shel psyouto orient your‐
self and toavoid obstacle swhe nba cking up.
The rear vie wcam erais on lyan aid. Itis no ta
subs titutefo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and pa
rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing.
The guide linesinthemedia displaysho wthe
dis tances toyour vehicle. Thedistances dis‐
pl ay ed onlyapply toroad leve l.
Yo ucan selectfrom thefo llo wing views:
R Normalvie w
R Wide-ang levie w
The area behind theve hicle isdispla yedas a
mir rorimag e,as intheinside rear vie wmir ror.
Ve hicl eswithout Activ ePa rking Assis t
The follo wing camer avie ws areav ailable inthe
multime diasystem: Nor
mal view
1 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
wheel angle(dynamic)
2 Yello wlane markingth ecour sethetir es will
ta ke atthecur rent steer ing wheel angle
(dynamic)
3 Yello wguide lineatadis tance ofapprox ‐
imat ely3. 3ft (1.0 m) from there ar area
4 Bum per
5 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area Dr
ivin gand parking209

Wi
de-ang levie w
Ve hicl eswith Activ ePa rking Assis t
The follo wing camera views areav ailable inthe
multime diasystem: Nor
mal view
1 Yello wlane markingth ecour sethetir es will
ta ke atthecur rent steer ing wheel angle
(dynamic)
2 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
wheel angle(dynamic)
3 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area
4 Yello wwa rning indic ator ofParking Assist
PA RK TRONI C:obs tacles atadis tance
be twee nap prox imat ely2. 0ft (0.6 m)and
3.3 ft(1.0 m) 5
Redwa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areve ry clos e
(a ppr oximat ely1. 0 ft (0.3 m)orless)
6 Orang ewa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areamed iumdis‐
ta nce away (be tween appr oximat ely1. 0 ft
(0.3 m)and 2.0ft(0.6 m))
% Ifth eent ire sy stem fails, thesegmen tsof
th ewa rning displa yar esho wninred. The
indicat orlam pon thePA RK TRONI Cbut ton
light sup and theé symbol appearsin
th emultifunc tiondispla y.
If th esy stem fails atthere ar,th edispla yof
th esegment sch ang esasfollo ws :
R The rear segm entsar esho wninred
when backingup.
R The rear segm entsar ehidde nwhen driv‐
ing forw ards.
If Pa rking AssistPA RK TRONI Cis deac tiva ted,
th ewa rning displa yfa des out(/ page205 ). 21
0
Driving and parking