ECU MERCEDES-BENZ GLS 2020 Service Manual

Pe
rm anen tse tting (vehic leswith Offroad
pac kage orE-Ac tiv eBody Contr ol) #
Toactiv ate/ deacti vate:pu llro ck er switc h
1.
If indicat orlam pis lit, manual gearshif tingis
act ivat ed. The current gear isdispla yedin the
multifu nctiondisplay. Te
mp oraryse tting #
Toactiv ate: pul lst eer ing wheel gearshif t
paddle 1or2.
Man ualgearshif tingis act ivat ed fora shor t
time. Trans miss ionposit ion0063and thecur‐
re nt gear appear inthemultifunc tiondispla y. #
Todeac tivate: pullst eer ing wheel gearshif t
paddle 2and hold itin place .
The transm issionposit ion005Bappear sin the
multifu nctiondisplay.
% Toper manen tly shif tth ege arsman uallyin
dr ive pr og ram = using thesteer ing wheel
ge arshif tpaddles ,selec tth e0063 (manual)
se tting forth etra nsmiss ion. Gear
shifting #
Toshif tup: pull steer ing wheel gearshif t
paddle 2. #
Toshif tdo wn: pullsteer ing wheel gearshif t
paddle 1.
Mer cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers. Gear
shiftrecomm endation Mer
cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yfa ilto rec‐
ogni zedangers. 202
Driving and parking

#
Con sult aqu alif ied spec ialistwo rkshop. *
NO
TEFuelma yspr ayout when you
re mo vethefuel pum pnoz zle #
Onlyfill th efuel tank unti lth epum p
noz zleswitc hesoff. Re
quirement s
R The vehicle isunloc ked(/ page70).
% Donotge tint oth eve hicle again during the
re fuel ingprocess. Other wise,ele ctrostatic
ch arge cou ldbu ild up again.
Obs erve theno teson oper ating fluids andfuel
(/ page55 4).
On lyrefuel withfuel that has atleas tth eoct ane
number specifiedintheinf ormation labelinthe
fuel filler flap (/ page20 6). Other wise engine
out put can bereduced andfuel consum ption
inc reased. 1
Fuelfiller flap
2 Brac ketfo rfuel filler cap
3 Tire pressur eta ble
4 QRcode forre scue card
5 Fueltype #
Press onthebac kar ea offuel filler flap 1. #
Turn thefuel filler cap coun ter-cloc kwiseand
re mo veit. #
Insertth efuel filler cap from aboveinto
br ac ket2. #
Comp lete ly inse rtthepum pnoz zleintoth e
ta nk filler neck,hook inplace andrefuel . #
Onlyfill th efuel tank unti lth epum pnoz zle
switc hesoff. #
Replace thecap onthefiller neckand turn
cloc kwise untilit eng ages audibl y. #
Close fuelfiller flap 1.
% Close thefuel filler flap bef oreloc kin gth e
ve hicle. Pa
rking Pa
rking theve hicl e &
WARNIN GRisk ofacci dent andinjury
cau sed byan insufficie ntlysecu redve hi‐
cle rolling away.
If th eve hicle isno tsecur elyparkedsuf fi‐
cie ntly ,it can rollaw ay inan unc ontrolled
wa yev en ataslight downhill gradient. 208
Driving andparking

#
Ensu rethat thepar kedve hicle isalw ays
pr oper lysecur edagains tro lling away as
fo llo ws :
R Onuphil lor downhill gradients, turn
th efront wheels sothat theve hicle
ro lls towa rdsth ecurb ifit star ts
mo ving.
R App lythepar king brak e.
R Switc hth etra nsmiss iontoposition
005D. &
WARNIN GRisk offire cau sed byhot
ex haus tsy stem parts
Flammable material suc has lea ves, grass or
twigs mayignit eif th ey come intocont act
wi th hotpar tsof theex haus tsy stem or
ex haus tga sflow . #
Park theve hicle sothat no flammab le
mat erial can com eint ocon tact with hot
ve hicle component s. #
Inpar ticular ,do notpar kon drygr ass‐
land orhar vested grain fields. &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Changing thetra nsmiss ionposition .
R Startin gth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eke ywit hyo uand lockth eve hicle. #
Keep theve hicle keyout ofreac hof
ch ildr en. *
NO
TEDama getotheve hicle duetoit
ro lling away #
Alw ayssecur eth eve hicle agains tro ll‐
ing away. Dr
iving and parking 209

#
Bring theve hicle toast ands tillby appl ying
th ebr ak epedal. #
Onuphill ordownhill gradients, turnth efront
wheels sothat theve hicle rolls towa rdsth e
curb ifit star ts mo ving. #
App lytheelectr icpar king brak e. #
Engage trans missi on positio n005D inast atio n‐
ar yve hicle withth ebr ak epedal applied
(/ page200). #
Switc hof fth eengine andtheignition by
pr essing button1. #
Release theser vice brak eslo wly. #
Getout oftheve hicle andlockit.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thepanor amic
sliding sunroofforapp roxima tely five
minut esifth edr iver's door isclosed.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thesliding
sunr oofforapp roxima tely five minut esifth e
dr iver's door isclosed. Gar
agedoor opener Pr
og rammin gbutt onsfo rthe garage doo r
ope ner &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofinju rywhen opening
or clos ingadoor withth ega rage door
opener
When youoper ateor program thedoor with
th eint egr ated garage door opener ,people in
th era ng eof mo vement ofthedoor may
become trapped orstru ck bythedoor . #
When usingtheint egr ated garage door
opener ,alw aysmak esur eth at nobody
is wit hin thera ng eof mo vement ofthe
door . Onl
yoper ateth efo llo wing doorsusing the
ga rage door opener :
R Door swit hasaf etyst op and reve rsing fea‐
tur e
R Doorswhic hcon form tothecur rent U.S.
sa fety standar ds
Re quirement s:
R The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The engine isswitc hedoff.
R The ignition isswitc hedon.
% The garage door opener function isalw ays
av ailable whentheignition isswitc hedon. 21
0
Driving and parking

#
Press and hold buttons 1,2or3 until
th edoor opens orcloses. #
Ifindicat orlam p4 flashes yello wafte r
appr oximat ely20 seco nds: press and hold
th epr ev iousl ypr essed buttonagain untilth e
door opens orcloses. Clear
ingthega rage doo rope nermemo ry #
Press and hold buttons 1and 3.
Indicat orlam p4 lights upyello w. #
Ifindicat orlam p4 flashes gree n: release
butt ons 1and 3.
The entire memo ryhas been deleted.
Ra dio equipme ntappr oval number sfo rthe
ga rage doo rope ner Ra
dio equipme ntappr oval number s Br
azil
Es te equipament ooper aem caráter secundár io,
is to é,não tem dir eitoàpr oteção contra int erfer‐
ência prejudi cial,mesmo deestações domesm o
tipo ,e não podecau sar interferê ncia asist emas
oper ando emcaráter primár io.
Pa ra maio resinf ormações acessar
www .anat el.gov.br Dr
iving andparking 21
3

Electr
icpa rking brak efunct ion(releasing
aut omat ically)
The elect ric pa rking brak eis released whenthe
fo llo wing condition sar efulf illed:
R The driver's door isclos ed.
R The engin eis running .
R The trans mis sion isin po sitio n005B or005E and
yo udepr esstheaccelera torpeda lor you
shif tfr om transmission position005Dto005B or
005E when onleve lgr ou nd withth edr iver's
door closed.
R Ifth etra nsmiss ionisin position 005E,theta il‐
ga te mus tbe closed .
R The seat belttongu eis ins ertedint oth eseat
belt buckleofthedr iver's seat.
If th eseat belttongu eis no tins ertedint oth e
seat beltbuckleofthedr iver's seat, thefo llo w‐
ing con dition smus tbe fulf illed:
R Youshif tfr om transm issionposi tion005D.
R Youha ve prev iousl ydr iven atspeeds grea ter
th an 2mp h(3 km/h). When
theelectr icpar king brak eis released, the
re d0049 (USA)or0024 (Canada) indicatorlam p
in theins trument clustergoes out.
Appl ying/rele asing theelectr icpa rking
br ak ema nuall y
Appl ying #
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. 21
6
Driving and parking

ESP
®
can moni torand improve driving stabilit y
and tract ion inthefo llo wing situat ions,wit hin
ph ysical limit s:
R When pulling away on wetor slip pe ry road‐
wa ys.
R When braking.
R Vehicl eswith traile rhitc h:intrail er oper a‐
tion from spee dsof40 mph(65 km/h), ifth e
ve hicle/tr ailercombination beginstosw ay
fr om side toside.
R Instro ng side winds when youar edr ivin g
fa ster than 47 mp h(7 5 km/h).
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
Vehicl eswith traile rhitc h:stabiliz ationof
th eve hicle/tr ailercombination isno long er
activ e.
R Crosswind Assistis no long eractiv e.
R The drive wheels couldspin.
R ETS/4E TStracti oncontr olisstill 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.
It can beadv antageous todeactiv ateES P®
in the
fo llo wing situat ionstoimprove tracti on:
R Whenusing snowch ains .
R Indeep snow .
R Onsand orgrave l. %
Spin ningth ewheels 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(/ page62 1)
R Disp lay mess ages (/ page56 7)
ET S/4ET S(Electr onicTractio nSy stem)
ET S/ 4ETS tracti oncontr olispa rtof ESP ®
and
mak esitpossible topull away and accelerat eon
a slippe ryroadw ay.
If yo usele cttheF orG drive pr og ram, a
specia lET Ssy stem specif icallysuit edtooff-r oad
te rrain isaut omat icallyact ivat ed.
ET S/ 4ETS can 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 withtraction . Dr
iving andparking 22
1

a
high centerof grav ity ma ytip over bef ore
ES P®
de tects this. #
Alw aysadap tyo ur drivin gst yle to suit
th ecur rent road and weather condi‐
tio ns. When
drivin gwit hatrailer ,ES P®
can stabiliz e
yo ur vehicle ifth etrailer begins tosw erve from
side toside:
R ESP ®
traile rst abiliz ationis act ive abo ve
speeds of40 mph(65 km/h).
R Slight swerving isreduced bymeans ofata r‐
ge ted, individual brak eapplication onone
side.
R Intheeve ntofsevere sw erving, theengine
output isalso reduced andallwheels are
br ak ed.
ES P®
tra iler stabiliz ationma ybe impair edor
ma yno tfun ction if:
R The trailer isno tcon nectedcor rectl yor is
no tde tected prope rly by theve hicle. Fu
nction ofEBD (electr onicbrak efo rc edis‐
tr ibut ion) EB
Dis ch aract erize dby thefo llo wing:
R Mon itor ing and regulating thebr ak epr essur e
on there ar wheels .
R Improve ddr iving stabilit ywhen brakin g,
espe ciallyon ben ds. Fu
nction ofSTEER CONT ROL ST
EER CONTR OLhelpsyo uby trans mitting a
no tice ablesteer ing forc eto thesteer ing wheel in
th edir ect ion requ ired forve hicle stabiliz ation.
This steer ing recomme ndation isgiv en particu‐
lar lyin thefo llo wing situat ions:
R Both right wheels orboth leftwheels areon
a we tor slip pe ry road sur face whe nyo u
br ak e
R The vehicle star ts to skid Sy
stem limit s
ST EER CONTR OLmaybe impa ired orma yno t
fu nctio nin thefo llo wing situat ions:
R ESP®
is deact ivat ed.
R ESP®
is malfun ctionin g.
R The steer ing ismalfunct ioning.
If ES P®
is malfunct ioning,youwill beassis ted
fur ther by theelectr icpo we rst eer ing. Fu
nction ofActiv eBr ak eAs sist Ac
tiveBr ak eAssi stconsi stsof thefo llo wing
func tions:
R Distance warning func tion
R Autonomo usbraki ng func tion
R Situ ation-d epend ent braki ng assist anc e
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:Evasi ve Steer ing Assis tand corner ing
func tion
Ac tiveBr ak eAssi stcan helpyo uto minimize the
ri sk ofacollision withve hicles, cyclis tsor Dr
iving andparking 225

#
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 spee d: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. DSR
(Downhill Speed Regulat ion) Fu
nction ofDSR (Downhill Speed Regulat ion)
DS Ris an aid toassis tyo uwhen drivin gdo wn‐
hill. Itke eps thespeed oftrav el at theselect ed ta
rget speed. Thesteeper thedo wnhill gradient,
th egr eat ertheDS Rbr aking effect on theve hi‐
cle. Onflat stre tche sof road and uphill gradi‐
ent s,theDS Rbr ak es theve hicle minimally or
no tat all.
When DSRisactiv ated and thetransmission isin
position 005B,005Eor005C, DSRcon trols thedr iving
speed. Thetarget speed canbesetto ava lue
be tween 1mp h(2 km/h) and11mp h
(1 8 km/ h).Bybraking oracceler ating,youcan
dr ive at ahigh eror lowe rspee dth an theta rget
speed atanytime.
DSR isdeactiv ated aut omaticall yif yo udr ive at
spee dsgreat erthan 28 mph(45 km/h) orselect
dr ive pr ogr am C orB. Theî Offmes‐
sag eth en appear sin themultifunc tiondispla y.
The status indicat orinthemultifunc tiondispla y
disappear s.Yo ualso hear awa rning tone.
Mer cedes -Ma ybachvehicl es:indrive pr ogr am ,
th eDS Rfunc tion islikew ise notav ail‐
able. Dr
ivin gand parking233

No
teson DSR &
WARNIN GRisk ofskid ding and having
an acci dent whenDSR isacti vatedon
slipper yro ad sur faces
If th espeed driven and theta rget speed dif‐
fe r, and youact ivat eDS Ron aslipp eryro ad
sur face, thewheels maylose traction. #
Take intoacc ount thero ad sur face and
th edif fere nce betwee nth edr iving
speed andtarget speed beforeactiv at‐
ing DSR. If
yo ufa ilto adap tyo ur drivin gst yle, DS Rcan
neit her reduce therisk ofan accident norover‐
ri de thelaws ofphysics. Itcan notta ke into
acc ount road, weather ortraf fic condi tions.DSR
is only anaid. Youar ere sponsible formaint ain‐
ing asaf edis tance totheve hicle infront, for
ve hicle speed, forbr aking ingood timeandfor
st ay ing inlane.
Yo uar ealw aysre sponsible forke eping control of
th eve hicle andforasse ssing whether thedo wn‐
hill gradient canbemanag ed.Depen dingon
ro ad sur face and tires, DSR mayno tal wa ys be able
tokeep totheta rget speed. Selectata rget
speed suitable forth een vironmen talcon dition s
and also apply thebr ak es yourself ifre qu ired.
Ac tiv atin g/deac tivatin gDS R(vehi cles with
Of f-road package orE-Ac tiv eBody Contr ol)
Re quirement s:
R Youar edr ivin gat 24 mp h(40 km/h) or
slo wer.
If th ecur rent vehicle speed istoohigh, the
Max. Speed 24mph messag eappear sin the
multifu nctiondisplay.
R Youha ve notsel ect eddrive pr ogr am C or
B.
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted. #
Toactiv ate: pul lro ck er switc h1.
Indic ator lam p2 lights up.
The î symbol appearsin themultifunc ‐
tion displa y. #
Todeac tivate: pullro ck er switc h1.
Indic ator lam p2 and theî symbol go
out. 23
4
Driving andparking