ECU MERCEDES-BENZ GLS 2022 Service Manual

&
W W
ARNI NG ARNI
NGRisk ofaccid ent and injur ydue
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.
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 am ple 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. Use
theDIRECT SELECT leve rto switc hth etrans-
mission position. Thecurrent trans missionpos i-
tion isdis pla yedin theinst rument displa y. 005D
Park position
005E Reversege ar
005C Neutral
005B Drive position Eng Eng
aging rev agin
gre ver er
se g se
gear R ear
R #
Depr essthebr ak epedal andpush theDIRECT
SELECT leve rupw ards past the/r st point of
re sis tance.
Eng Eng
aging neutr aging
neutralN al
N #
Dep ress thebr ak epedal andpush theDIRECT
SELECT leve rup ordown tothe/r st point of
re sis tance.
% ToshiT intoneu tral 005C withth eve hicle
switc hedon,push theselect orleve rup or
do wn forse veralseconds tothe/r st point of
re sis tance.
Subs equentl yre leasing thebr ak epedal willallow
yo uto mo vetheve hicle freel y,e.g. topush itor
to w itawa y. Dr
iving andparking
193 193

PrPr
oce edasf oce
edasfoll ow ollo
ws if y s
if you w ou
want t ant
the aut he
aut omatic omatic
tr tr
ansmission t ansmission
to r o
remain inneutr emain
inneutr al al
005C 005C
ev ev
en ift en
ifthe he
v v
ehicle isswitc ehicle
isswitc hed hed
o. o.
ort or
the dr he
driv iv
er's door is er's
door is
opened: opened:
#
Depr essthebr ak epedal andengageneutr al
005C when theve hicle isstation ary.
The NPerm anentlyActiveRisk ofRolling
Away message appear sin theinst rument dis-
pla y. #
Release thebr ak epedal. #
Switc ho. theve hicle.
% Ifyo uth en exitth eve hicle leavingth eSmar t-
Ke yin theve hicle, theaut omatic transmission
re mains inneut ral005C.
The parkposition 005Disaut omaticall yre -eng aged
as soo nas one ofthefo llo wing conditions isme t:
R Youswitc hto transm ission position 005Bor005E.
R Youpr ess the005D butt on.
Eng Eng
aging par aging
parkposition P k
position P #
Obser vetheno teson par king theve hicle
(/ page201). #
Depr essthebr ak epedal untiltheve hicle
comes toast ands till. #
When theve hicle isat ast ands till,pr ess but-
to n005D.
Whe nth etransmission positiondisplaysho ws
005D ,th epar kposition iseng aged. Ifno trans-
mission position display005D appear s,secur e
th eve hicle toprev ent itfrom rolling away.
% Depending onthesituation, itma yta ke a
shor ttime until005D iseng aged. Ther efor e,
alw ayspa yatt ent ion tothetransmission posi-
tion displa y.
Pa rk position 005Diseng aged aut omaticall yif one
of thefo llo wing conditions isme t:
R Youswitc hth estationar yve hicle o.intrans-
mission position005Bor005E.
R Youopen thedr iver's door when theve hicle is
at ast ands tillor when drivi ng atave ry low
speed andthetransmission positionis005B or
005E.
R When theve hicle isrolling, youswitc hifo. in
tr ansmiss ionposition 005Bor005E and bring itto
a st ands till. R
Youswitc ho. theengine, bring theve hicle to
a st ands tilland open thedr iver's door when
th eve hicle isstation aryor when theve hicle is
ro lling andthetransmission positionis005C.
R Eng aging parkposition 005Dautomaticall yis
re qu ired bytheve hicle.
% Tomaneuv erwit han open driver's door ,open
th edr iver's door while atast andstill and
eng agetransmission position005Bor005E again.
Eng Eng
aging dr aging
driv iv
e position D e
position D #
Depr essthebr ak epedal andpush theDIRECT
SELECT leve rdo wn past the/r st point of
re sis tance.
Whe nth eaut omatic transmission isin transmis-
sion position 005B,itshiTs thege arsaut omati cally.
This depends ,am ong other things, onthefo llo w-
ing fact or s:
R The select eddrive pr og ram
R The positionof theacceler ator pedal
R The driving speed 194194
Dr
iving andparking

Manua
l Manua
lg g
ear ear
shiTin g sh
iTin g PP
er er
ma nent se ma
nent setting (v tting
(vehi cleswit ehi
cleswit h h
O. -R O.
-Road oad
pack- pac
k-
ag ag
eor E-A e
or E-ACTIVE BOD CTIVE
BODYC Y
CONTR ONTR
OL) OL)
* NO NO
TE TE
Mer cedes- AMGve hicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. #
T T
o activ o
activ at at
e/de activ e/de
activat at
e: e:
pull rock er switc h1.
If indicat orlam pis lit, manual shiTingis acti-
va ted. The current gear isdispl ayedin the
inst rument displa y.
T T
em em
por por
ar ar
yse y
se tting tting
#
T T
o activ o
activ at at
e: e:
pull steer ing wheel paddle shiTer
1 or2.
Manual shiTingis activ ated fora shor ttime.
Tr ansmi ssionposition0063and thecur rent gear
appear intheinst rument displa y. #
T T
o deactiv o
deactiv at at
e: e:
pull steer ing wheel paddle
shiTer 2and hold itin place.
Tr ansmi ssionposition005Bappear sin the
inst rument displa y. %
Toper manentl yshiT thege arsmanu allyin
dr ive pr og ram = usingthesteer ing wheel
paddle shiTers,select the0063 setting forth e
tr ansm ission.
Sh iTin g Sh
iTin g #
T T
o o
shi T shi
Tup: up:
pull steer ing whe elpad dleshiTer
2. #
T T
o o
shi T shi
Tdo do
wn: wn:
pull steer ing whe elpad dle
shi Ter 1. Gea
r Gea
rshi T shi
Tr r
ecom menda tion ecom
menda tion The
gearshiT recommen dationassistsyo uin
adop tinganeconomica ldr iving style. Dr
iving andparking
195 195

Yo
ucan displa yth ecur rent distr ibutionofdrive
to rq ue son allfour wheels inthehead-up display
and intheright-h anddispla yra ng eof theinst ru-
ment displa y.The higher there specti vescale is
/lled, thehigher thecor respond ingdrive to rq ue
is .
If yo ufa ilto adap tyo ur driving style, 4MA TICcan
neit her reduce therisk ofan acciden tnor override
th elaws ofphysics. 4MA TICcanno tta ke accoun tof
road, weather and tra1c cond itions. 4MATICis
onl yan aid. Youar ere sponsi bleespeci allyfo r
maint ainingasaf edist ance from theve hicle in
fr ont ,fo rve hicle speed, forbr aking ingood time
and forst ay ing inlane.
% Inwintr yro ad cond itions, themaximum e.ect
of 4MA TICcan beachie vedonl yif yo uuse
wint ertires (M+S tires), withsno wch ains if
nece ssary. RR
efueling efueling
RR
efueling t efueling
the v he
vehicle ehicle
&
W W
ARNIN G ARNIN
GRisk of/reor explosion from
fuel
Fu els arehighl y0amma ble. #
Fire ,open 0ames, smokingand creati ng
spar ksmust beavo ided. #
Beforere fuel ing, switcho. theve hicle
and, ifins talled, thestationar yheat er,
and leavethem switc hedo.dur ing refu-
eli ng. &
W W
ARN ING ARN
INGRiskof inju ryfrom fuels
Fu els arepoisonous andhazar dous toyour
healt h. #
Donotsw allo wfuel orletit come into
cont actwithskin, eyes orclo thing. #
Donotinhale fuelvapor . #
Keep childr enawa yfrom fuel. #
Keep door sand windo wsclosed during
th ere fuel ingproces s.
If yo uor other peopl ecome intocont actwith
fu el, obser vethefo llo wing: #
Immedia tely rinse fuel o.your skin with
soap andwater. #
Iffuel comes intocont actwithyo ur eyes,
immediat elyrinse them thor oughl ywit h
clean water. See kme dica lat tention
imm ediately. #
Ifyo usw allo wfuel, seek medical atten-
tion immediat ely. Do notinduce vomit-
ing. Dr
ivin gand parking
199 199

RR
eq eq
uir uir
ements: ements:
R The vehicle isunl ocked.
% Donotget intoth eve hicle again during the
re fuel ingproces s.Ot he rw ise, electr ostatic
ch arge could buildupagain.
Obser vetheno teson oper ating0uids andfuel.
Onl yre fuel with fuel that has atleas tth eoct ane
number speci/ed intheinf ormation labelinthe
fuel /ller 0ap. Othe rw ise, engine outputcanbe
re duced andfuelconsum ption incr eased. 1
Fuel/ller 0ap
2 Brac ketfo rfuel /ller cap
3 Fueltype
4 QRcode forre scue card
5 Tire pressur eta ble #
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 pnozzle intoth e
ta nk /ller nec k,hook inplace andrefuel . #
Only/l lth efuel tank until thepum pnozzle
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. Dr
iving andparking
201 201

#
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. 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 am ple 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 hAIRMA h
AIRMA TICorE-A TIC
orE-ACTIV EBOD CTIV
EBOD Y Y
C C
ON TR ON
TROL: OL:
The vehicle canlowe rbecause of
te mp eratur edi.er ences orlong ernon-oper a-
tional times. Thiscancause damag eto par ts
of thebody . #
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 . 202202
Dr
iving andparking

#
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. #
Eng agetransmission position005Dinast ation-
ar yve hicle withth ebr ak epedal applied
(/ page194). #
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.
% When youpar kth eve hicle, youcan stilloper -
at eth eside windo wsand thepanor amicslid-
ing sunr oofforappr oximat elyfo ur minut esif
th 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 nob ody iswit 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 Dr
iving andparking
203 203

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
unctions ofESP unctions
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 .
ESP ®
is deacti vatedifth e00BB ESP®
OFF warn-
ing lamplights upcontinuousl yin theinst rument
clust er:
R Drivin gst ability 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.
If th e00E5 ESP®
wa rning lamp0as hes inthe
inst rument cluster,one orseveralwheels has
re ac hed itsgrip limit:
R Adaptyo ur driving styleto suit thecur rent
ro ad and weather cond itions.
R Donotdeact ivat eESP ®
. 212212
Dr
iving and parking

R
Onlydepr esstheacceler ator pedal asfaras is
necessar ywhen pulling away.
It can beadv antageous todeactiv ateESP ®
in the
fo llo wing situations toimprov etraction:
R When usingsnowch ains.
R Indeep snow.
R Onsand orgrav el.
% Spinn ingthewheels result sin acutt ing
action ,whic henhan cestraction .
If th e00E5 ESP®
wa rning lamplights upcontinu-
ousl y,ESP ®
is no tav ailabl edue toamalf unct ion.
Obser vethefo llo wing information:
R Indicat orand warning lamps(/ page479)
R Displa ymessa ges(/ page423)
ET ET
S/ 4ET S/
4ET S(Elect r S
(Elect roni cTr onic
Tractio nSy st actio
nSy stem) em)
ET S/ 4ET Stractio ncont rolis par tof ESP ®
and
mak esitpossible topull awayand accel erateon a
slip peryro ad.
If yo uselect theF orG drive pr og ram, a
special ETSsy stem speci/call ysuit edtoo.-r oad
te rrain isaut omati callyactiv ated. ET
S/ 4ET Scan improve theve hicle' stractio nby
int erve ning inthefo llo wing ways:
R The drive wh eels arebrak ed indivi dually if th ey
spin .
R Mor edr ive to rq ue istransf erredto thewheel
or wheels withtraction.
In0 uence In0
uence ofdr of
driv iv
e pr e
pr og r og
rams onESP ams
onESP ® ®
The drive pr og rams enable ESP®
to adap tto dif-
fe re nt we ather and roadcondi tionsas wellas the
dr iver's prefer reddr iving style. Dependin gon the
select eddrive pr og ram, theappr opriateESP ®
mode willbeactiv ated. Youcan select thedr ive
pr og rams using theDY NAMI CSEL ECTsw itch
(/ page 190). FF
unction ofESP unction
ofESP ® ®
Cr Cr
ossw indAssist ossw
indAssist ESP
®
Cr ossw indAssist detects sudden gustsof
side wind andhelps thedr iver tokeep theve hicle
in thelane:
R ESP ®
Cr osswind Assistisactiv eat vehicle
speeds between appr ox.47 mph (75km/h)
and 125 mph(2 00 km/h)wh en drivi ng
str aigh tah eador cornering slightl y. R
The vehicle isstabili zed bymeans ofindiv idual
br ak eapplication onone side. FF
uncti onofESP uncti
onofESP ® ®
tr tr
ailer st ailer
stabilizat ion abilizat
ion &
W W
ARNIN G ARNIN
GRisk ofaccident inpoor road
and weather cond itions
In poor road and weather cond itions, the
tr aile rst abil izatio ncanno tpr ev ent lurching of
th eve hicle/ trailer combin ation.Tr ailer swit ha
high centerofgrav ity ma ytip over bef ore
ESP ®
de tects this. #
Alwaysadap tyo ur driving styleto suit
th ecur rent road and weather cond itions. When
drivi ng withatrailer ,ESP ®
can stabili ze
yo ur vehicle ifth etrailer begins tosw erve from
si de toside:
R ESP ®
trailer stabili zation isactiv eabo ve
speeds of40 mph(6 5km /h).
R Slightsw ervin gis reduced bymeans ofata r-
get ed, individual brak eapplication onone
side. Dr
iving andparking
213 213

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
215 215