ECU MERCEDES-BENZ E-CLASS COUPE 2021 Workshop Manual

If
yo udo notwa nttotrans mitth eve hicle
positions anddriving directions, youha ve
th efo llo wing option s:
R Youdeac tivateth eser vice inthe
Mer cedes mePortal.
R Youha ve theser vice deactiv ated atan
aut hor ized Mercedes- BenzCenter.
R Youdeac tivateth eser vice intheAssis-
tanc emenu inthemultimedia system
(/ page19 8).
% Thistraf fic light data ser vice isonly available
in cit ies and regions countries.
The func tion issuppor tedunder thefo llo wing
con dition s:
R The vehicle iseq uipped withamultimedia
sy stem featur ingnavig atio nand acom mun i‐
cat ion modul ewit han act ivat ed, integrated
SIM card.
R Youha ve auser accoun tfo rth eMer cedes
me Portal.
R The vehicle hasbeen connectedwithth e
user accoun t. R
The navig atio nser vices optio nis available,
subsc ribed toand activat ed intheMer cedes
me Portal.
R The traffic light data ser vice iswit hin the
scope ofthena vig ation service.
The current vehicle position andthedir ect ion of
tra velar etransmit tedvia thecomm unication
module andaligned withth edat afrom thetraf‐
fi c light data ser vice prov ider .The prov ider gath‐
er sdat afrom traffic light swhic htransm itth eir
ch ang ingphase s.When theve hicle approaches
an intersection withne tworke dtra ffic light s,
dat ais transm itted totheve hicle.
A se ttur nsignal leftor right and lane recom‐
mend ations during acti verouteguidan ceare
tak en intoacc oun tfo rth edispla y.
The service isforinf ormation purposes onlyand
is no tlink edtoanyot her vehicle functions, sys‐
te ms orcom ponents. Pleasenote that thedis‐
pla yeddat ais no tav ailable inall traf fic ar ea s
and maybe incor rect.
Ce rtain light signalsystems automaticall yadap t
th eir switc hingtimes tothecur rent traf fic situ a‐ tion.
Thiscan lead toasudden chang ein the
cou ntdo wndispl ay.
The information intheIns trument Displayis
sho wnafte rsele cting thedispla ycon tents inthe
Assi stance menu .If ano ther menu isselect ed,
th etra ffic light countdown isno tdispla yed.
In addition, observethefo llo wing informatio n:
R Selec ta speed adaptedto thetra ffic, sur‐
ro und ingsand weather condition s
R Obse rveactual traf fic sig ns
R Obs erve applic abletraf fic ru les and regula‐
tions
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers.
Sy stem limit s
The displa ydoes notappear inthefo llo wing sit‐
uation s,forex am ple:
R Ther eis no traf fic light data available.
R The timere maini nguntil thene xt green
phase isless than tenseco nds. Dr
iving and parking 19
7

Sy
stem limit s
No lane- correcting brak eap plica tion occu rsin
th efo llo wing situat ions:
R Youcle arly and activel yst eer ,br ak eor accel‐
er ate.
R Ifadr iving safetysy stem interve nes, such as
ES P®
,Ac tiveBr ak eAssi stor ActiveBli nd
Spo tAssi st.
R Youha ve adop tedaspor tydriving style wit h
high corner ing speeds orhigh ratesof accel‐
er ation.
R When ESP®
is deactiv ated.
R Ifaloss oftirepr essur eor afa ulty tirehas
been detected and displ ayed.
If yo udeac tivateth eAc tiveLa ne Keeping Assist
wa rning and thelane marking scann otbe clear ly
de tected, itis pos siblethat no lane correcting
br ak eap plica tion take splace (/page202).
The system maybe impair edorma yno tfunc tion
par ticular lyin thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, ifth er ear e highl
yva riable shade condition sor inrain,
sno w,fogor hea vyspr ay.
R Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
th esun orreflect ions.
R Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth er ear eno lane marking s,or several
unc lear lane markingsarepr esen tfo rone
lane, e.g.around roadw orks .
R Ifth elane marking sar ewo rn,dar kor cov‐
er ed.
R Ifth edis tance from theve hicle infront istoo
shor tand thus thelane markings cannotbe
de tected.
R Ifth elane marking sch ang equ ickl y, e.g.
lanes branc hof f,cr oss one another or
mer ge.
R Ifth ero ad isvery nar row and wind ing.
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:ifth era dar sensor sin there ar bum per
ar edir tyor coveredin sno wand anobs tacle is
de tected inyour lane ,no lane -cor recting
br ak eap plica tion take splace.
Ac tiv atin g/deac tivatin gAc tiv eLan eKe eping
Assis t
Multi media system:
4 © 5
Set ting s5
Quick Access
5 Act ive Lane Keeping Assist #
Activateor deacti vate thefunc tion.
Se tting Activ eLan eKe eping Assist
Multi media system:
4 © 5
Set ting s5
Assist ance
5 Act ive Lane Keeping Assist
Ac tiv atin gor deac tivatin gthe hapticwarning #
Selec tWarnin g.
Ac tivateor deacti vate thefunc tion. 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. 20
2
Driving and parking

Ra
ising theve hicl e #
Press butt on1.
Indica torlam p2 lights up.
The vehicle issetto thehigh leve l.
Yo ur sele ction issave d. The
vehicle islowe redag ain inthefo llo wing sit‐
uation s:
R When drivin gfa ster than 50 mph(80 km/h).
R When driving between 37mph(60 km/h)
and 50mph(80 km/h) forapp roxima tely
th re eminut es.
R Afterch ang ingadr ive pr ogram usingth e
DY NA MIC SELE CTswitc h.
The vehicle isadjus tedto theheight ofthelas t
activ edr ive pr ogr am.
Lo we ring theve hicl e #
Press butt on1.
Indica torlam p2 goes out.Thevehicle is
adjus tedto theheight oftheactiv edr ive pr o‐
gr am.
Oper ation withatrailer orbicy clerack
If th eelectr icalconnect ionhas been correctly
es tablished tothetra iler orbicy clerack :
R Uptoappr oximat ely18 .7 mp h(3 0km/h):
th ehigh leve lcan beselec tedre ga rdless of
th edr ive pr og ram. R
From appr ox.18 .7 mp h(3 0km/h) :th eve hi‐
cle isadjus tedto nor malle ve l,re ga rdless of
dr ive pr ogr am. Re
ar vie wcamer a Fu
nction ofthere ar vie wcamer a
When youen gage reve rsege ar,th eimag efrom
th ere ar vie wcam erais sho wninthemedia dis‐
pla y.Dyna micguide lines showthepat hth e
ve hicle willtake wit hth ecur rent steer ing ang le.
This helps youto orient yourself and toavoid
obs tacle 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. Dr
ivin gand parking205

Dep
endingontheve hicle equipment, youcan
sele ctfrom 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 Parking Assis tPA RK TRONI C
The follo wing camer avie ws areav ailable inthe
multime diasystem: Nor
mal view
1 Driven sur face dep endi ngon thecur rent
st eer ing ang le(dynamic) 2
Guide linesatadis tance ofapprox imat ely
1. 6 ft (0.5 m),3.3 ft(1.0 m), 5ft (1.5 m) and
9.9 ft(3.0 m)from there ar area
3 Lanemar kingth ecour sethetir es will take
wit hth ecur rent steer ing ang le(dynamic)
4 Bum per
5 Guide lineatadis tance ofapprox imat ely
1. 0 ft (0.3 m)from there ar area Wi
de-ang levie w
Ve hicl eswith Parking Assis tPA RK TRONI C
The follo wing camera views areav ailable inthe
multime diasystem: Nor
mal view
1 Yello wwa rning displa y:obs tacle sat adi s‐
ta nce betwee nap prox imat ely2. 3ft (0.7 m)
and 3.3ft(1.0 m)
2 Orang ewa rning displa y:obs tacle sat adi s‐
ta nce betwee nap prox imat ely1. 3 ft (0.4 m)
and 2.3ft(0.7 m)
3 Guide linesatadis tance ofapprox imat ely
1. 6 ft (0.5 m),3.3 ft(1.0 m), 5ft (1.5 m) and
9.9 ft(3.0 m)from there ar area
4 Yello wlanes markingth ecour sethetir es
will take wit hth ecur rent steer ing ang le
(dynamic) 206
Driving andparking

5
Driven surface depen dingon thecur rent
st eer ing ang le(dynamic)
6 Guide lineatadis tance ofapprox imat ely
1. 0 ft (0.3 m)from there ar area
The colorofwa rning displa y1/2 chang es
dynam icallyand isbased onthedis tance tothe
de tected obs tacle :
R Blue :no obs tacle sde tected atadi st anc e
less than 3.3ft (1.0 m)
R Yello w: obs tacle sat adi st anc ebe tween
appr oximat ely2. 3ft (0.7 m)and 3.3ft
(1 .0 m)
R Orang e:obs tacle sat adi st anc ebe tween
appr oximat ely1. 3 ft (0.4 m)and 2.3ft
(0.7 m)
R Red:obs tacle sat ave ry shor tdis tan ceof
ap prox imat ely1. 3 ft (0.4 m)orless
% Vehicl eswith Activ ePa rking Assis t:when
Ac tivePa rking Assistis act ive, lane markings
4 aredispla yedin green. Wi
de-ang levie w
1 Displa yof Parking AssistPA RK TRONI C
Sy stem malfun ction
If th ere ar vie wcam erais no tre ady foroper a‐
tion, theSystem Inoperativemessag eappear sin
th emedia display.
Sy stem limit s
The rear vie wcam erawill notfun ction orwill
on lypa rtiall yfunc tion inthefo llo wing situat ions:
R The trunk lidisopen .
R The weather condition sar epoor ,e.g .hea vy
ra in, sno w,fog, stor m or spr ay. R
The ambient lightcondit ionsarepoor ,e.g. at
night.
R Camer as,orvehicle component sin whic h
th ecamer asareins talled, aredamag ed,dirty
or covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page16 8).
% Donotuse there ar vie wcam erain these
types ofsituation s.Yo uco uld other wise
injur eot her sor collide withobjects when
par king theve hicle.
% The cont rast of thedispla yma ybe impair ed
by direct sunlight orby other light sources,
e.g. when driving outofaga rage .In this
case, paypar ticular attent ion.
% Have thedispla yre pair edorreplaced if,for
ex am ple, pixelerro rs consi derablyrestrict its
us e. 360
°came ra Fu
nction ofthesur round viewcamer a
The surround viewcam erais asy stem that con ‐
sis tsof four cam eras whic hco verth eimmediat e
sur round ingsof theve hicle. Thesystem assis ts Dr
iving andparking 20
7

yo
uwhen youar epar kingor atexits with
re duced visibility ,fo rex am ple.
The views ofthesur round viewcam eraar e
alw aysav ailable whendrivin gfo rw ards up toa
speed ofappr ox.10 mph(1 6 km/h) andwhen
bac king up.
The surround viewcam erais on lyan aid and
ma ysho wadis torted viewof obs tacle s,sho w
th em incor rectly ornotsho wthem atall. Itis no t
a subs titutefo ryo ur att entio nto thesur round‐
ing s.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 system evaluat esimag esfrom thefo llo wing
cameras:
R Rear vie wcam era
R Front camer a
R Twoside camer asintheoutside mirrors Vi
ew sof thesur round viewcamer a 1
Wide-ang levie w, front
2 Topvie wwit himag efrom thefront camer a
3 Topvie wwit himag esfrom theside camer as
in theoutside mirrors
4 Wide-ang levie w, rear
5 Topvie wwit himag efrom there ar vie wcam ‐
er a
6 Topvie wwit htrailer view(vehicles witha
tra iler hitch)
Fu nction oftheguid elines
Guide linesarealso displa yedin thecamer a
imag esoftheto pvie ws,whic haid youby sho w‐ ing
youth ecalculat edvehicle pathas wellas the
dis tance toobject sand other vehicles, basedon
th ecur rent steer ing ang le. 1
Guide linesatadis tance ofapprox imat ely
1. 6 ft (0.5 m),3.3 ft(1.0 m), 5ft (1.5 m) and
9.9 ft(3.0 m)from there ar area
2 Yello wlanes markingth ecour sethetir es
will take wit hth ecur rent steer ing ang le
(dynamic)
3 Driven sur face dep endi ngon thecur rent
st eer ing ang le(dynamic)
4 Guide lineatadis tance ofapprox imat ely
1. 0 ft (0.3 m)from there ar area 208
Drivin gand parking

%
When ActivePa rking Assistis act ive, pat hs
2 aredispla yedin green.
The guide linesshowthedis tances toyour
ve hicle. Thedistances apply toroad leve l.
In all views,th ePa rking AssistPA RK TRONI C
wa rning displa yis sho wnaswell(/ page21 1).
Th ecolo rof wa rning displa ych ang esdynam i‐
call yand isbased onthedis tance tothede tec‐
te dobs tacle :
R Blue :no obs tacle sde tected atadi st anc e
less than 3.3ft (1.0 m)
R Yello w: obs tacle sat adi st anc ebe tween
appr oximat ely2. 3ft (0.7 m)and 3.3ft
(1 .0 m)
R Orang e:obs tacles atadis tance betwee n
ap prox imat ely1. 3 ft (0.4 m)and 2.3ft
(0.7 m)
R Red:obs tacle sat ave ry shor tdis tance of
ap prox imat ely1. 3 ft (0.4 m)orless
% When Parking AssistPA RK TRONI Cis oper a‐
ti on aland noobj ectis de tected, thewa rning
displa yis sho wnherein blue. Wi
de-an glevie w,front 1
Warning displa yof Parking Assist
PA RK TRONI C To
pvie wwi th imag efrom the fron tcame ra 1
Warning displa yof Parking Assist
PA RK TRONI C(/ page21 1)
2 Your vehicle from above
3 Lane indicating thero uteth eve hicle will
ta ke atthecur rent steer ing ang le
To pvie wwi th imag esfrom the side came ras
in theout side mirrors
The sides oftheve hicle canbeseen inthis vie w. Dr
iving and parking 209

select
thecor responding transmission posi‐
tion.
The vehicle drives intoth eselect edpar king
space.
% During thepar king procedur ewit hAc tive
Pa rking Assist, th elane marking sar edis‐
pla yedin green inthecamer aimag e.
On com pletion ofthepar king procedur e,the
Ø Parking AssistFinished, TakeContro lof
Vehicle messageappear s.Fu rther maneuv ering
ma yst ill be nec essar y. #
Secu retheve hicle agains tro lling away.
When requ ired bylegalrequ iremen tsor local
con dition s:tur nth ewheels towa rdsth ecurb.
% Youcan stop theve hicle andchang eth e
tr ans missi on positio ndu ring thepar king pro‐
cedur e.The system then calculat esane w
ve hicle path.Ifno newvehicle pathis availa‐
ble, thetransmission positioncanbe
ch ang edagain, orthepr ocess canbecan‐
celed. Youcan also interru pt thepar king pro‐
cedur eby braking, forex am ple, toletpeople
in or out oftheve hicle. Theparking proce‐ dur
ecan then be con tinued bybrief lypress‐
ing theacceler ator pedal.
Exiting apar king space withAc tiv ePa rking
Assis t
Re quirement s:
R The vehicle iseq uipped withasur round view
cam era.
R The vehicle hasbeen parkedpar allel tothe
ro ad withAc tivePa rking Assist.
Please note that youar ere sponsible forth eve hi‐
cle and surround ingsdur ing theent ire par king
pr ocedur e. #
Startth eve hicle. #
Press butt on1.
The media displaysho wsthevie wof Active
Pa rking Assist. #
Selec tEx itSpac e2. #
If,forex am ple, thePlease Engage Forward
Gear messag eappear sin themedia display:
select thecor responding transmission posi‐
tion.
The vehicle movesout ofthepar king space
and isbrought toast ands tillby ActivePa rk‐
ing Assist(at anang leto thedir ect ion of
tra vel).
The Ø ParkingAssistFinished, TakeCon-
tr ol of Vehic lemess ageappear s. #
Take contr olof theve hicle andcompletethe
par kingpr ocess. 21
8
Driving and parking

No
teson theIns trum ent Displa yand on-
boar dcom puter &
WARNIN GRisk ofacci dent dueto an
In stru ment Displa ymalfu nction
If th eIns trument Displayhas failed ormal‐
func tioned,thefunc tion restrictions applying
to saf etyre leva nt systems areno tvisible.
The oper ating safetyof your vehicle maybe
im pair ed. #
Drive on car efull y. #
Have theve hicle checkedimmediat ely
at aqu alif ied spec ialistwo rkshop. &
WARNIN GRisk ofdist ra ction from infor‐
mati onsystems andcomm unication s
eq uipment
If yo uoper ateinf ormat ionand comm unic a‐
tio neq uipme ntintegratedin theve hicle
when driving, youwill bedistract ed from the
tr af fic situ ation. Thiscou ldalso cau seyouto
lose control of theve hicle. #
Onlyoper ateth is eq uipmen twhen the
tr af fic situ ation per mits. #
Ifyo ucan notbe sur eof this, stop the
ve hicle whilstpa ying attention toroad
and traffic condi tions andoperate the
eq uipment withth eve hicle statio nary. *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. Yo
umus tobse rveth eleg alrequ iremen tsforth e
cou ntryin whi chyouar ecur rentl ydr ivi ng when
op erati ng theon- boar dcom puter.
The on-boar dcom putersho wsonlydispla ymes‐
sag esand warnings from spec ific systems on
th emultifunc tiondispla y.Yo umus tth er efor e
ensur eth at your vehicle isalw aysre liable.
If th eoper ating safetyof your vehicle is
im pair ed,parkth eve hicle immediat elyand
saf ely. Con tact aqu alif ied spec ialistwo rkshop. 222
Instrument Displayand on-boar dcom puter

Ins
trum ent Disp layove rview 1
Speedo meter
The segment son thespeedome terindica te
th est atus esofthefo llo wing systems: cruise
con trol/limit er/Active Dis tance Assist
DIS TRONI C
2 Inde xpo ints
3 Outside temp eratur e 4
Time
5 Area foradd itional values (exa mp le:tach om‐
et er): tach ome ter/na vigation/EC Odisp lay/
consum ption/ G-me ter/dat e
The fuel supp lywil lbe interru pted toprotect
th eengine whenthere dmar kon theta ch ‐
ome ter(o ve rrev ving rang e) isreac hed.
6 Coolan tte mp eratur edispla y Dur
ing normal oper ation, thecoolant tem‐
per atur edisp lay is per mitt edtorise to
24 8°F (120°C).
Ve hicles with48 Von-boar delectr icalsys‐
te m: POWER andCHARGE displ ay(elect rical
dr ive su ppo rtand recup erati on powe rof the
electr icmo tor)
7 Select eddrive pr ogr am Ins
trument Displayand on-boar dcom puter 223