ECU MERCEDES-BENZ CLS 2021 Workshop Manual

&
WARNIN GRisk ofan acci dent dueto
Ac tiveDis tan ceAssi stDIS TRONI Cbe ing
acti vewhen 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. #
Select Owithth elef tro ck er switc h.
% Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, ActiveDis tance Assist
DIS TRONI Cis de acti vated.
Incr easing ordecr easing thespeed #
1mp h(1 km/h) :pr ess rock er switc h1 up
M ordown N tothepr essur epoint .
or #
5mp h(1 0 km/h) :pr ess rock er switc h1 up
M ordown N beyond thepr essur e
point . or #
Accel erateth eve hicle tothedesir edspeed
and press rock er switc h1 upM.
Changing thespecif ieddistance totheve hi‐
cle infront #
Toreduce thespecified distance: press
th eright rock er switc hup (Ñ). #
Toincr ease thespecif ieddistance: press
th eright rock er switc hdo wn (Ò).
Fu nction ofActiv eSpe edLimit Assist
If speed limitch ang ebe tween 12mp h
(20 km/ h)and 80mph(1 30 km/h) isde tected
and theaut omatic adoptionofspeed limitsis
activ e,itwill beaut omaticall yadop tedas the
st or ed speed (/page18 8).
Th edr iven spee dis adj ustedwhen theve hicle is
le ve lwit hth etraf fic sig nat thelat est.In the
case ofsig ns indi cati ngentr yint oan urb anarea ,
th espeed isadap tedaccor dingtothespeed
per mitt edwithin theurban area. The speed limit
displa yin theIns trument Displayis alw aysupda ‐
te dwhen theve hicle isleve lwit hth etra ffic sign .If
th er eis no speed restriction onanunlimited
st re tchof road (e.g.on afree wa y), there com‐
mend edspe edisau tomatical lyadop tedas the
st or ed speed. Thesystem uses thespeed stor ed
on anunlimit edstre tchof road asthere com‐
mend edspe ed. Ifyo udo notalt er thestor ed
speed onanunlimit edstre tchof road, there c‐
omme ndedspeedis80 mph(1 30 km/h) .
If Ac tiveDis tance AssistDIS TRONI Cha sbe en
pu tint opa ssi ve mode bypressing theaccelera ‐
to rpeda l,onl yspee dlimi tswhi charehigh er
th an these tspeed areadop ted.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 161).
Sy stem limit s
The system limits ofTraf fic Sign Assistappl yto
th ede tection oftraf fic sig ns (/ page 187).
Spee dlimits below 12mp h(2 0km/h) areno t
au tomatical lyadop tedby thesy stem asthe
st or ed speed. Temp orar yspeed restrictions (e.g.
fo ra cer tain tim eor due towe ather condition s)
can notbe proper lyde tected bythesy stem. The Dr
iving andparking 17
5

&
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlystops func‐
tionin g
If th esy stem limits ofActiveSt eer ing Assis t
ar ere ac hed ther eis no guar anteethat the
sy stem will remain activeor wil lke ep the
ve hicle inlane. #
Alw ayske ep your han dson thesteer ing
wheel andobser vethetra ffic car efull y. #
Alw aysst eer theve hicle paying atten‐
tion totraf fic condi tions. &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlyinterve nes
The detection oflane mar kings andobje cts
ma ymal functi onand causeune xpect ed
st eer ing interve ntio ns. #
Steer accor dingtotraf fic condi tions. Ac
tiv atin g/deac tivatin gAc tiv eSte ering
Assis t
Re quirement s:
R ESP®
is act ivat ed, but isno tint erve ning .
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
Multimedia system:
4 © 5
Set ting s5
Quick Access #
Select 004FSteering Assist. Fu
nction ofActiv eEme rgency Stop Assis t If
th esy stem detects that thedr iver has not
st eer edtheve hicle fora consider ableper iod of
time orhas remo vedth eir hands from thesteer‐
ing wheel, display1 appear sin themultifunc ‐
tion displa y.Ifth edr iver still does notst eer the
ve hicle, orgiv es no conf irmation tothesy stem,
a wa rning tone sou nds inad ditio nto thevisual
wa rning mess age.
If th edr iver still does notre spond tothewa rn‐
ing, theBeginn ingEmer gencySt op messag e
appear sin themultifunc tiondispla y.Ifth edr iver
st ill does notre spond, ActiveDis tance Assist
DIS TRONI Creduces thespeed. Thevehicle is
deceler ated instag es toast ands till.
De pen dingon thecount 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. 18
0
Driving and parking

If
neit her function isactiv e,there maini ng
time untilthene xt green phase forth elane
st ra ight ahead isdispla yed.
% Use ofthetraf fic light informati onser vice
re qu ires there gular transmission ofvehicle
positions anddriving directions to
Mer cedes-Ben z.The datais immediat ely
anon ymized byMer cedes-Ben zand forw ar‐
ded tothepr ov ider ofthetra ffic light infor‐
matio nser vice .The vehicle positions and
dr iving directions aredele tedaf te ra ve ry
shor ttime (afew sec ond s)and areno tper‐
man entlysave d.
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 1). %
This traf 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 automatic allyadap 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 19
0
Driving and parking

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.
The damp ing istun edindiv iduall yfo reac 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
The drive pr ogr am can beadjus tedusing the
DY NA MIC SELE CTswitc h. AIR
BODY CONT ROL AIR
BODY CONT ROLfun ction
* NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. AIR
BOD YCO NTR OLisan air suspe nsion system
wit hva riable dampingfo rim prove ddr iving com‐
fo rt.The all-r ou nd leve lcon trol system ensur es
th ebes tpossible suspension andconstant
gr oun dcle aranc e,eve nwi th aladen vehicle.
When driving atspeed, theve hicle islowe red
aut omat icallyto improve driving safetyand to
re duce fuelconsum ption. Youalso have the
op tion ofmanually adjustingtheve hicle leve l.
AI R BO DY CONTR OLincludes thefo llo wing com‐
pone ntsand func tions:
R Airsuspen sionwithva riable spring rate
R Automatic leve lcon trol system
R Speed-depen dentlowe ring toreduce fuel
con sum ption R
Manuall yselec table high-le velse tting for
gr ea tergr ound clearance
R ADS PLUS (Ada ptive Dam ping System with
con stant dam pingfo rc eadjus tment)
R DYNA MIC SELE CTswitc hand leve lbutt on
Susp ension setting and vehicl eleve lper
dr ive pr og ram
Dr ive pr ogr am A:
R The susp ens ion se tting iscomf ortable.
R The vehicle issetto thenor mal leve l.
R When drivin gat speeds ofappr oximat ely
78 mph(125 km/h) orabo ve,th eve hicle is
lo we red.
R When driving atspeeds belowappr oximat ely
50 mph(80 km/h), theve hicle israised
ag ain.
Dr ive pr og ram ;:
R The susp ension setting iscomf ortable.
R The vehicle issetto low leve l-1 .
R The vehicle isno tlo we redan yfur ther ifyo u
ar etra veling athigher speeds. 19
6
Driving and parking

Re
quirement s:
R The vehicle hasbeen star ted.
R The vehicle mustno tbe mo ving faster than
37 mph(60 km/h).
Ra ising theve hicl e #
Press butt on1.
Indicat orlam 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.
% Youcan open theco verof there ar vie wcam ‐
er aman ually(/ page20 3).
The guide linesin themedia displaysho wthe
dis tances toyour vehicle. Thedistances dis‐
pl aye donl yapply toroad leve l. 19
8
Driving and parking

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 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
ang le(dynamic)
2 Yello wguide lineatadis tance ofapprox ‐
imat ely3. 3ft (1.0 m) from there ar area
3 Yello wlanes markingth ecour sethetir es
will take wit hth ecur rent steer ing ang le
(dynamic)
4 Bum per
5 Redguide lineatadis tance ofapprox imat ely
1. 0 in (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: Dr
iving andparking 19
9

Nor
mal view
1 Yello wlanes markingth ecour sethetir es
will take wit hth ecur rent steer ing ang le
(dynamic)
2 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
ang le(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)) Wi
de-ang levie w
Sy stem failur e
If th ere ar vie wcam erais no toper ational, the
fo llo wing displa yappear sin themultimedia sys‐
te m. 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 Ther eis hea vyrain, sno wor fog.
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 1).
% 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. 200
Drivin gand parking

%
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. The cam eras coverth e
immed iateve hicle surround ings.The system
assis tsyouwhen 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
% Youcan open theco verof there ar vie wcam ‐
er aman ually(/ page20 3).
Vi ew sof thesur round viewcamer a
Yo ucan selectfrom differe nt vie ws: 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)
To pvie w 1
Lane indicati ngthero uteth eve hicle will
ta ke atthecur rent steer ing wheel angle
2 Warning displa yof Parking Assist
PA RK TRONI C
3 Your vehicle from above Dr
iving and parking 20
1

The
color oftheindividual segmentsof wa rning
displa y2 isbased onthedis tance tothede tec‐
te dobs tacle :
R Yello wsegment s:obs tacle sat adi st anc e
be tween appr ox.2.0 ft(0.6 m)and 3.3ft
(1 .0 m)
R Orang esegment s:obs tacle sat adi st anc e
be tween appr ox.1. 0 ft (0.3 m)and 2.0ft
(0.6 m)
R Redse gme nts: obstacle sat ave ry shor t
dis tance ofapprox .1. 0 ft (0.3 m)orless
When Parking AssistPA RK TRONI Cis operatio nal
and noobj ectis de tected, thesegment sof the
wa rning displa yar esho wningray . Guide
lines 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 Markat adis tance ofapprox .3.3 ft(1.0 m)
% When ActivePa rking Assistis act ive, lane
mar kings1 aredispla yedin green. The
guide linesinthemedia displaysho w
th edis tances toyour vehicle. Thedistances
ap ply toroad leve l.
Side viewof themir rorca mer as
The side sof theve hicle canbeseen inthis vie w. 1
Guide lineofextern al vehicle dimensions
wit houtside mirrors folded out
2 Markerof thewheel contact poi nts
Sy stem failur e
If th esy stem isno tre ady foroper ation, thefo l‐
lo wing mess ageappear sin themedia display: 202
Driving andparking

%
The turnsignal indicat orisswitc hedonaut o‐
matically whenthepar king procedur e
begins.
Yo uar ere sponsible forsele cting thetur nsignal
indicat orinaccor dance withth etraf fic condi ‐
tions .If neces sary,select thetur nsignal indica‐
to raccor dingly. &
WARNIN GRisk ofacci dent dueto vehi‐
cle swinging outwhile parking orpulli ng
out ofapar king space
While parking orexitin gapar kingspace, the
ve hicle swings outand candrive ont oar eas
of theonc oming lane.
This could cause youto coll ide wi th object s
or other road user s. #
Payatt ention toobject sand other road
user s. #
Wher enec essar y,stop theve hicle or
cancel thepar king procedur ewit h
Ac tivePa rking Assist. #
If,forex am ple, thePlease Engage Reverse
Gear messag eappear sin themedia display: 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, TakeContr olof
Vehicle displaymessag eappear s.Fu rther
maneuv ering mayst ill be nec essar y. #
Aftercom pletion ofthepar king procedur e,
saf eguar dth eve 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, thesy stem can chang eth etransmission
position again orcanc elthepar king proce‐
dur e. Exiting
apar king space withAc tiv ePa rking
Assis t
Re quirement s:
R The vehicle hasbeen parkedwit hAc tive
Pa rking Assist.
% Depe ndingon theve hicle's equipment, the
butt onmayalso belocat edatadif fere nt
po sitio nin thecent ercon sole.
Please note that youar ere sponsible forth eve hi‐
cle and surround ingsdur ing theent ire par king
pr ocedur e. #
Startth eve hicle. Dr
iving andparking 21
1