ECU MERCEDES-BENZ CLS 2022 Service Manual

1
Fuel/ller 0ap
2 Brac ketfo rfuel /ller cap
3 Tire pressur eta ble
4 QRcode forre scue card
5 Fueltype #
Press onthebac kar ea offuel /ller 0ap1. #
Turn thefuel /ller capcount er-cloc kwise and
re mo veit. #
Inser tfuel /ller capfrom aboveintobr ac ket
2 . #
Com pletely inser tth epum pnozzl eint oth e
ta nk /ller nec k,hook inplace andrefuel . #
Only/l lth efuel tank until thepum pnozzl e
switc heso.. #
Replace thecap onthe/ller neckand turn
cloc kwise untiliteng ages audibl y. #
Close fuel/ller 0ap1. PP
ar ar
king king
PP
ar ar
king t king
the v he
vehicle ehicle
&
W W
ARNIN G ARNIN
GRisk ofaccident andinjur y
caused byan insu1cie ntlysecur edvehi-
cle rolling away
If th eve hicle isno tsecur elypar kedsu1-
cient ly,it can rollawa yin an uncon troll ed way
eve nat asli ght downh illgradien t. #
Onuphil lor downhil lgr adien ts,turnth e
fr ont wheel sso that theve hicle rolls
to wa rdsth ecurb ifit star ts mo ving. #
Appl yth epar king brak e. #
Switc hth etransmission toposition 005D. &
W W
ARNIN G ARNIN
GRisk of/recaused byhot
ex haus tsy stem parts
Flammab lemat erials suchas lea ves, grass or
twig sma yign ite. #
Park theve hicle sothat no 0ammable
mat erial can come intocont actwithho t
ve hicle compone nts. #
Inpar ticu lar,do notpar kon drygr ass-
land orhar vested grain /elds. &
W W
AR NIN G AR
NIN GRisk ofacciden tand injurydue
to childr enleT unatt ended intheve hicle
If ch ildr enareleT unsuper visedintheve hicle,
th ey could, inpar ticul ar:
R open doors,ther eb yendang ering other
per sons orroad user s.
R getout and bestruckby oncoming tra1c. Dr
ivin gand parking
155 155

R
oper ateve hicle equipme ntand become
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion ,fo rex ample by:
R releasing thepar king brak e.
R chang ingthetransmission position.
R star ting theve hicle. #
Neverlea vechildr enunatt ended inthe
ve hicle. #
When leavingth eve hicle, alwaysta ke the
Sma rtKe ywit hyo uand lockth eve hicle. #
Keep theve hicle SmartKey out ofreac h
of childr en. *
N NO O
TE TE
Damag eto theve hicle duetoitro ll-
ing awa y #
Alwayssecur eth eve hicle agains tro lling
awa y. *
N N
O O
TE TE
Dam agedue totheve hicle lowe ring VV
ehi cleswit ehi
cleswit hAIR BOD h
AIR BOD YC Y
CON TR ON
TROL orlev OL
orlevel el
cont r cont
rol: ol:
The vehicle canlowe rbecause oftem-
per atur edi.er ences orlong ernon- oper ational
times. Thiscancause damag eto par tsof the
body . #
When stopping theve hicle andwhen
dr ivi ng o., mak esur eth at ther ear eno
obst acles suchas curbs under orinthe
immediat evicinity ofthebody . #
Bring theve hicle toast ands tillby pressing the
br ak epedal. #
Ongradien ts,turnth efront wheels sothat the
ve hicle willrollto wa rdsth ecurb ifit star ts
mo ving. #
Appl yth eelectr icpar king brak e. 156156
Dr
iving andparking

#
Eng agetransmission position005Dinast ation-
ar yve hicle withth ebr ak epedal applied
(/ page150). #
Switc ho. theve hicle bypressing button1. #
Release theser vice brak eslo wly . #
Getout oftheve hicle andlockit.
% When youpar kth eve hicle, youcan stilloper -
at eth eside windo wsand thesliding sunroof
fo rappr oximat elyfo ur minut esifth edr iver's
door isclosed. GarGar
ag ag
edoor opener e
door opener PrPr
og r og
ramming butt amming
buttons f ons
for t or
the g he
gar ar
ag ag
edoor opener e
door opener &
D D
AN AN
GER GER
Riskoffata linjur iescaused by
ex haus tga ses
Combu stion enginesemit poison ousexhaus t
ga ses, suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisoning . #
Neverru nth eve hicle and,ifpr esen t,the
st at iona ry heat erind oor swit hout su1-
cient ventila tion. &
W W
ARNI NG ARNI
NGRisk ofinjur yby becoming
tr apped whenopening andclosing a
ga rage door
When youoper ateor prog ram aga rage door
wit han integratedga rage door opener ,per -
sons canbecome trapped orstruckby the
ga rage door ifth ey stan dwi thin its rang eof
mo vement. #
Alwaysmak esur eth at nobo dyiswit hin
th era ng eof thega rage door's move-
ment. Onl
yoper ateth efo llo wing doorsusing thega rage
door opener :
R Door swit hasaf etyst op andre ve rsing featur e
R Door swhic hconf orm to thecur rent U.S.
sa fety standa rds R R
eq eq
uir uir
ements: ements:
R The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The vehicle isswitc hedon.
R The vehicle hasnotbeen star ted.
% The garage door opener function isalw ays
av ailabl ewhen theve hicle isswitc hedon. Dr
iving and parking
157 157

#
Push handle 1.
The red0049 (USA)or0024 (Canada) indica-
to rlam plights upintheinst rument cluster.
% The electr icpar king brak eis onl ysecur ely
applied ifth ere d0049 (USA)or0024 (Can-
ada) indicat orlam pis lit continu ously.
R R
eleasing eleasing
#
Switc hon theve hicle. #
Pullhandl e1.
The red0049 (USA)or0024 (Canada) indica-
to rlam pin theinst rument clustergoes out.
Emer g Emer
gency br ency
braking aking
#
Press and hold handle 1.
As long astheve hicle isdrivi ng ,th ePlea se
Rel ease Parking Brakemessag eis displa yed
and there d0049 (USA)or0024 (Canada)
indicat orlam p0ash es.
When theve hicle hasbeen brak ed toast and-
st ill, theelectr icpar king brak eis applied. The
re d0049 (USA)or0024 (Canada) indicator
lam plights upintheinst rument cluster. InfInf
or or
mation oncollision det mation
oncollision detection onapar k ection
onapar ked ed
v v
ehicle ehicle
If
acollision isde tected when theto w- awa yalar m
is armed onaloc kedve hicle, youwill receiv ea
no ti/cation inthemultimedia system when you
switc hth eve hicle on.
Yo uwill receiv einf ormation aboutthefo llo wing
points:
R The area oftheve hicle that ma yha ve been
damag ed.
R The forc eof theim pact.
The follo wing situation canlead toinadv ertent
ac tivatio n:
R The parkedve hicle ismo ved, forex am ple, ina
tw o-s tory garage .
% Disar mtheto w- awa yalar minorder topre-
ve nt inad vertent activ ation. Ifyo udisar mthe
to w- awa yalar m,coll isionde tection willalso
be deactiv ated.
% Ifth ebatt eryis se verely disc harged, thefunc-
tion forde tectin gacollisi onon apar kedve hi- cle
isaut omati callydeact ivat ed tofacilit ate
th ene xt engine star t.
Sy st Sy
stem limits em
limits
De tection maybe restr icte din thefo llo wing situa-
tions:
R The vehicle isdamag edwithout impact, for
ex am ple, ifan out side mirroris torn o. orthe
paint isdamag edbyake y
R Animpac tocc ursat low spe ed
R The electric par king brak eis no tapp lied NNo o
t t
es on par es
on par king t king
the v he
vehi cle f ehi
cle for an e or
an ext xt
ende d ende
d
per per
iod iod
If
yo ulea vetheve hicle parkedfo rlong erthan six
we eks,itma ysu.er damag eth ro ugh disuse.
The 12Vbatt eryma yalso beimpair edordam-
ag ed byhea vydisc harging.
% Further informatio ncan beobt aine dat a
qu ali/ed special istwo rkshop. Dr
iving and parking
161 161

th
einst rument clusteraTer thedr ive sy stem is
st ar ted. FF
unction ofB unction
ofBAS AS
&
W W
ARNIN G ARNIN
GRisk ofan accident causedbya
malfun ctioninBAS (BrakeAssi stSystem)
If BAS ismalfunctioning, thebr aking distance
in an emer gency brak ing situatio nis
incr eased. #
Dep ress thebr ak epedal withfull forc ein
emer gency brak ing situatio ns.ABS pre-
ve nts thewheels from locking. The
Brak eAssist System (BAS)suppor tsyour
emer gency brak ing situatio nwit hadd itional brak e
fo rc e.
If yo udepr essthebr ak epedal quickl y, BAS is
activ ated:
R BAS automati callyboos tsthebr ak epr essur e.
R BAS canshor tenth ebr aking distance.
R ABS prev ents thewheels from locking. The
brak es will function asusual onceyoure lease
th ebr ak epedal. BASisdeactiv ated. FF
unction ofESP unction
ofESP ® ®
&
W W
ARNIN G ARNIN
GRisk ofskidding ifESP ®
is
deactiv ated
If yo udeactiv ateESP ®
,ESP ®
canno tcar ryout
ve hicle stabili zation . #
ESP ®
should onlybe deact ivat ed inthe
fo llo wing situations. *
N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. The
Electr onicStabili tyProg ram (ESP ®
)can moni-
to rand improv edr iving stability andtraction in
th efo llo wing situations within physical limits:
R When pulling awayon wetor slip peryro ad.
R When braking . If
th eve hicle deviat esfrom thedir ection desired
by thedr iver ,ESP ®
can stabilize theve hicle by
int erve ning inthefo llo wing ways:
R One ormor ewheels arebr ak ed.
R The engineoutput isadap tedaccor dingtothe
situ ation .
When ESP®
is deacti vated, the00BB warning
lam plights upcontinuousl y:
R Driving stability willnolong erbe improve d.
R The drive wheels couldspin.
R ETS/4 ETStraction controlissti llactiv e.
% When ESP®
is deactiv ated, youar estill assis -
te dby ESP ®
when braking.
When the00E5 warning lamp0as hes, oneorsev-
er al wheels hasreac hed itsgrip limit:
R Adaptyo ur driving styleto suit thecur rent
ro ad and weather cond itions.
R Donotdeact ivat eESP ®
.
R Onlydepr esstheacceler ator pedal asfaras is
necessar ywhen pulling away. Dr
iving andparking
165 165

FF
unction ofEBD unction
ofEBD Electr
onicBreakf orce Distr ibution (EBD)isch ar-
act erize dby thefo llo wing:
R Monit oring and regula ting thebr ak epr essur e
on there ar wheels.
R Improve ddr iving stability whenbraking, espe-
ciall yon bends. FF
unction ofS unction
ofSTEER C TEER
CONTR ONTR
OL OL
ST
EER CONTR OLassis tsyouby transm itting a
no ticea blesteer ing forc eto thesteer ing wheel in
th edir ection requ ired forve hicle stabili zation .
This steer ing recommen dationisgiv en inthefo l-
lo wing situations:
R Both right wheels orboth leT wheels areon a
we tor slip peryro ad sur face when youbr ak e
R The vehicle star ts to skid
Sy st Sy
stem limits em
limits
ST EER CONTR OLmaybe impair edorma yno t
fu nct ion inthefo llo wing situations:
R ESP ®
is deactiv ated. R
ESP ®
is malfunctioning.
R The steer ing ismalfunctioning.
If ESP ®
is malfunctioning, youwill beassist edfur-
th er by theelectr icpo we rst eer ing. HOLD
function HOLD
function HOLD
function HOLD
function
The HOLD function holdstheve hicle atast and-
st ill wit hout requ iring youto depr essthebr ak e
pedal, e.g.while waiting intra1c.
The HOLD function isonl yan aid. Theresponsi bil-
ity forth eve hicle safelyst andi ngstill remains with
th edr iver .
Sy st Sy
stem limits em
limits
The HOLD function isonl yint ended toprov ide
assist ancewhen driving andisno ta su1cien t
means ofsaf eguar dingtheve hicle agains tro lling
awa ywhen stat iona ry.
R The incline must notbe gre ater than 30% . A A
ctiv ctiv
atin g/deact iv atin
g/deact ivatin gt atin
gthe HOL Dfunct ion he
HOL Dfunct ion &
W W
AR NING AR
NING Riskofan acciden tdue tothe
HOLD functionbeing activewh en you
lea vetheve hicle
If th eve hicle isonl ybr ak ed withth eHOLD
function itcould, inthefo llo wing situations,
ro llawa y:
R Ifth er eis amalfunction inthesy stem orin
th epo we rsuppl y.
R Ifth eHOLD function isdeactiv ated by
depr essing theacceler ator pedal orbrak e
pedal, e.g.byave hicle occupan t. #
Alwayssecur eth eve hicle agains tro lling
awa ybef oreyo ulea veit. RR
eq eq
uir uir
ements: ements:
R The vehicle isstation ary.
R The driver's dooris clo sed ortheseat belton
th edr iver's side isfastene d.
R Theve hicle hasbeen star tedor has been
aut omaticall yswitc hedo.bytheEC Ostar t/
st op function . Dr
iving andparking
167 167

R
The electric par king brak eis released.
R ActiveDist ance AssistDIS TRONI Cis deac tiva-
te d.
R The transmission isin position 005B,005Eor005C.
A A
ctiv ctiv
ating t ating
the HOLD function he
HOLD function #
Depr essthebr ak epedal, andaTer ashor t
time quickl ydepr essfurther until the00D9
displa yappear sin theInstr ument Display. #
Release thebr ak epedal.
Deactiv Deactiv
atingt ating
the HOLD function he
HOLD function #
Depr esstheacceler ator pedal topull away.
or #
Depr essthebr ak epedal untilthe00D9 display
disappear sfrom theInstr ument Display.
The HOLD functionisdea ctivated inthefo llo wing
situations:
R ActiveDist ance AssistDIS TRONI Cis acti va-
te d.
R The transmission isshiTed toposition 005D.
R The vehicle issecur edwithth eelectr icpar k-
ing brak e. In
thefo llo wing situations, theve hicle isheld by
tr ansm ission position 005Dand/or bytheelectr ic
par king brak e:
R The seat beltisunf astened andthedr iver's
door isopened.
R The vehicle isswitc hedo..
R Ther eis asy stem malf unct ion.
R The powe rsuppl yis insu1c ient. FF
unction ofHill St unction
ofHill Star ar
tAssis t t
Assis t Hil
lSt artAssis tholds theve hicle fora shor ttime
when pulling away on ahill under thefo llo wing
conditions:
R The transmiss ionisin position 005Bor005E.
R The electr icpar king brak eis released.
This gives youenough timetomo veyour foot
fr om thebr ak epedal totheacceler ator pedal and
depr essitbef oreth eve hicle beginstorollawa y. &
W W
ARNI NG ARNI
NGRisk ofaccid ent and injur ydue
to theve hicle rolling away
ATe ra sho rttime, HillStartAssis tno longer
holds theve hicle. #
SwiTl ymo veyour foot from thebr ak e
pedal totheacceler ator pedal. Donot
lea vetheve hicle when itis bein gheld by
Hill StartAssis t. AA
TT ENTION ASSIS T TT
ENTION ASSIS T FF
unct ionofA unct
ionofATT ENTION ASSIS T TT
ENTION ASSIS T
AT TEN TIONASSIS Tas sists youon long, mono to-
nous journeys,e.g .on highw aysand trunk roads.
If AT TEN TIONASSIS Tde tects indicatorsof fatigue
or incr easing laps esinconc entration onthepar t
of thedr iver ,it sugg ests taking abr eak .
AT TEN TIONASSIS Tis onl yan aid.It ca nno t
alw aysde tect fatigue orlaps esinconc entration in
time. Thesystem isno ta substitut efo ra we ll-res-
te dand attentiv edr iver .On long journeys,ta ke
re gula rbr eak sin good timethat allo wforade-
qu atere cuper ation. 168168
Dr
iving and parking

R
Onslipper yro ads. Acceler atingcan cause the
dr ive wheels tolose traction andtheve hicle
could then skid.
R When visibility ispoor
Oper Oper
ating cr ating
cruise contr uise
contr ol ol
&
W W
ARNING ARNING
Riskofaccident duetostor ed
sp ee d
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed, theve hicle
decel erates. #
Take intoaccount thetra1c situation
bef orecalling upthestor ed speed. RR
eq eq
uir uir
ements: ements:
R Cruise contr olisselect ed.
R ESP ®
must beactiv ated, but notint erve ning.
R The vehicle speed isat leas t15 mph
(20 km/h ).
R The transm issionis in posi tion005B. St
eer ing wheel controlpanel forcr uise contr ol
J Adoptsthestor ed/de tected speed
± Deacti vatescr uise control
M Activates cruise control
N Deactivates cruise control
1 Controlpanel toincr ease/decr easespeed
A A
ctiv ctiv
ating cr ating
cruise contr uise
control ol
#
Press M. A A
ctiv ctiv
ating cr ating
cruise contr uise
control ol
#
Press M orN oncontr olpanel 1.
The current spe edisstor ed and maintaine dby
th eve hicle.
or #
Press J.
The lastst or ed speed iscalled upand main -
ta ined bytheve hicle.
If th elast stor ed speed hasprev iousl ybeen
dele ted, thecur rent vehicle speed isstor ed.
% When youswitc ho. theve hicle, thelast
speed stor ed isdele ted.
Incr Incr
easing/decr easing/decr
easingt easing
the st he
stor or
ed speed ed
speed #
Toincr ease thestor ed speed: swipeupwards
fr om thebo ttom ofcontr olpanel 1.
R The stor ed speed isincr eased by1mp h
(1 km/h ). #
Todecr ease thestor ed speed: swipedown-
wa rdsfrom theto pof contr olpanel 1.
R The stor ed speed isdecr eased by1mp h
(1 km/h ).
or Dr
ivin gand parking
171 171

R
Ifth era dar sensor sar edir tyor covered.
R Inpar king garage sor on roads withsteep
uphil lor downhil lgr adien ts.
R Ifth er ear enar row vehicles infront ,suc has
bicy cles ormo torc yc les.
In addition, onslipper yro ads, braking oracceler -
atin gcan cause oneorseveralwheels tolose
tr action andtheve hicle could then skid.
Do notuse ActiveDist ance AssistDIS TRONI Cin
th ese situations. &
W W
ARNIN G ARNIN
GRisk ofaccident from acceler a-
tion orbraking byActiveDist ance Assist
DIS TRONI C
Ac tiveDist ance AssistDIS TRONI Cma yacc el-
er ateor brak ein thefo llo wing cases ,fo r
ex am ple:
R Ifth eve hicle pullsawa yusin gAc tiveDis-
ta nce AssistDIS TRON IC.
R Ifth estor ed speed iscalled upand iscon-
sider ablyfa ster or slowe rth an thecur -
re ntl ydr iven spe ed. R
IfAc tiveDist ance AssistDIS TRONI Cno
long erdetects ave hicle infront ordoes
no tre act toreleva nt obje cts. #
Alwayscar efull yobser vethetra1c con-
ditions andbeready tobrak eat all
times. #
Take intoaccount thetra1c situation
bef orecalling upthestor ed speed. &
W W
ARNIN G ARNIN
GRisk ofaccident duetoinsu1-
cient deceler ationbyActiveDist ance
Assi stDIS TRONI C
Ac tiveDist ance AssistDIS TRONI Cbrak es your
ve hicle withupto50% ofthepossible deceler-
ation. Ifth is deceler ationisno tsu1cien t,
Ac tiveDist ance AssistDIS TRONI Caler tsyou
wit havisu aland acous ticwarning. #
Adjust your speed andmaint ainasuit a-
ble distance from theve hicle infront . #
Brak eth eve hicle yourself and/or take
ev asiv eactio n. &
W W
AR NIN G AR
NIN GRisk ofacciden tif de tection
fun ction ofActiveDist ance Assist
DIS TRONI Cis im pair ed
Ac tiveDist ance AssistDIS TRONI Cdoes not
re act orhas alimi tedre actio n:
R when drivi ng on adi.er entlane orwhen
ch ang inglane s
R topedest rians, anim als,bicycles orsta-
tio nar yve hicles, orune xpect edobs tacles
R tocom plextra1c condi tions
R tooncoming vehicles andcrossin gtra1c
As are sult ,Ac tiveDist ance AssistDIS TRONI C
ma yneit her givewa rnings norinterve ne in
suc hsitu atio ns. #
Alwaysobser vethetra1c conditions
car efull yand react accor dingly. OperOper
ating A ating
Activ ctiv
eDist e
Dist ance Assis ance
AssistDIS t
DIS TR TR
ONIC ONIC
R R
eq eq
uir uir
ement s: ement
s:
R The electr icpar king brak eis released.
R ESP ®
is activ ated and isno tint erve ning. 174174
Dr
iving andparking

#
Press J.
The limitsp eed displa yedin theinst rument
clust erisadop tedas thestor ed speed. The
ve hicle adaptsits speed tothat of theve hicle
in front ,but onlyup tothestor ed speed.
Pulling awa Pulli
ngawa ywit y
wit hA h
Acti v cti
ve Dist e
Dist ance Assist an
ce Assist
DI S DI
STR TR
ON IC ON
IC #
ActivateAc tiveDist ance AssistDIS TRONI C
and remo veyour foot from thebr ak epedal. #
Press J.
or #
Depr esstheacceler ator pedal brie0y and
/r ml y.
The functi onsofActiveDist ance Assist
DIS TRONI Ccontinue tobe car ried out.
R R
educing orincr educing
orincr easing t easing
the he
speci/ed speci/ed
dist dist
ance ance
fr fr
om t om
the v he
vehicle infr ehicle
infront ont
#
Press K.
The h displayappear s.The speci/ed dis-
ta nce isreduced byone leve l.
If th elowe stleve lis alr eady select ed,the
select ionjumps tothehighest leve l. Deactiv Deactiv
atingA ating
Activ ctiv
eDist e
Dist ance Assis ance
Assist DIS t
DIS TR TR
ONIC ONIC
&
W W
ARNIN G ARNIN
GRisk ofan accident dueto
Ac tiveDist ance AssistDIS TRONI Cbeing
acti vewhen youlea vethedr iver's seat
If yo ulea vethedr iver's seat while theve hicle
is bein gbr ak ed byActiveDist ance Assist
DIS TRONI Conl y,theve hicle canrollaw ay. #
Alwaysdeacti vate Ac tiveDist ance Assist
DIS TRONI Cand secureth eve hicle to
pr ev ent itfrom rolling awaybef oreyo u
lea vethedr iver's seat. #
Press ±.
% Ifyo ubr ak e, deactiv ateESP ®
or ifESP ®
int er-
ve nes, ActiveDist ance AssistDIS TRONI Cis
dea ctivated.
F F
unctio nof A unctio
nof Activ ctiv
eSpeed LimitAssist e
Speed LimitAssist
If ach ang ein thespeed limitof12 mph
(20 km/h )or mor eis de tected and automatic
adop tionofspeed limitsis activ ated, thene w
speed limitisaut omaticall yadop tedas thestor ed
speed (/page189). The
driven speed isadjust edwhen theve hicle is
le ve lwit hth etra1c signatthelat est. Inthecase
of signs indicating entryint oan urban area, the
speed isadap tedaccor dingtothespeed permit-
te dwit hin theurban area. The speed limitdispla y
in theInstr ument Displayis alw aysupdat edwhen
th eve hicle isleve lwit hth etra1c sign.
If th er eis no speed restr iction onanunlimited
str etch ofroad (e.g .on afree wa y), there com-
mende dspeed isaut omatical lyadop tedas the
st ored spee d. Thesy stem uses thespeed stor ed
on anunlimit edstretch ofroad asthere commen -
ded speed. Ifyo udo notalt er thestor ed speed on
an unlimit edstretch ofroad, there commen ded
speed is80 mph(1 30 km/h).
If Ac tiveDist ance AssistDIS TRONI Chas been put
int opas sivemode bypressing theacceler ator
pedal, onlyspeed limitswhichar ehigher than the
se tspeed areadop ted.
Obser vetheno teson drivi ng systems andyour
re sponsi bility;yo uma yot her wise failto recogn ize
dang ers(/ page162). 176176
Dr
iving and parking