engine MERCEDES-BENZ GLS 2021 Owner's Guide

ECO
star t/s topfunc tion Ope
ratio nof the ECOstar t/s topfunc tion
Mer cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
% The ECOstar t/ stop funct ionisavailable only
in theC, A, ;,Nand=
dr ive pr og rams (dep ending onthese tting).
The engine isswitc hedoffaut omaticall yin the
fo llo wing situat ionsifall vehicle conditions for
an aut omat iceng inestop areme t:
R youbr ak eth eve hicle toast ands tillin trans ‐
miss ionposit ion005Bor005C.
R vehicl eswith a48 Von-b oardele ctrical
sy stem: youdepr essthebr ak epedal when
tra veling atalow speed.
If th esy stem has detected one ofthefo llo wing
situat ions,th eengine willnotst op:
R youstop atast op sign andther eis no vehi‐
cle infront ofyou.
R theve hicle that stopped infront ofyoustar ts
up again. R
youman euver,tur nth esteer ing wheel
shar plyor eng agere ve rsege ar.
% When theHOLD function isactiv eand in
tra nsmiss ionposition 005D,theengine can
st op inspit eof an intellig entstop inhibit or.
The engine isrestar tedaut omatic allyif:
R youen gage trans missi on positio n005B or005E.
R youdepr esstheaccelera torpeda l.
R anautomatic engine star tis requ ired bythe
ve hicle.
R youre lease thebr ak epedal.
R vehicl eswith a48 Von-b oardele ctrical
sy stem:
- youre lease thebr ak epedal onado wnhill
gradient andtheve hicle does notro ll.
- theve hicle rolls on ado wnhill gradien t
and does notaut omat icallyent erglide
mode at15 mp h(20 km/h). EC
Ostar t/ stop funct ionsymbols inthemulti‐
func tion displa y:
R the00D6 symbol (green) appear swhen the
ve hicle isat ast ands till:th eengine was
switc hedoffby theEC Ostar t/ stop funct ion.
R the00D5 symbol (yello w)appear swhen the
ve hicle isat ast ands till:no tall vehicle condi‐
tions foran engine stop have been met.
R neit her the00D6 nor00D5 symbol appears
when theve hicle isat ast ands till:an intelli‐
ge nt stop inhibit orwa sde tected, e.g. ast op
sign.
R thes symbol appears:theEC Ostar t/
st op funct ionisdeactiv ated orther eis amal‐
func tion.
If th eengine wasswitc hedoffby theEC Ostar t/
st op funct ionand youlea vetheve hicle, awa rn‐
ing tone sou nds and theengine isno tre star ted.
In addition, thefo llo wing displa ymess age
appear sin themultifunc tiondispla y:
Vehicle ReadytoDriv eSwitc hthe Ignit ionOff
Befor eEx iting Dr
iving andparking 17
9

Foot
offthe Accele rator3mess ageap pea rsin
th emultifunc tiondispla y.The firs tse gme ntsin
fr ont oftheve hicle willturngr een. Theremain‐
ing segments willinitia llystay whit e.Ifth edr iver
ta ke sth eir foot offth eacceler ator pedal ingood
time, there maini ngsegments onthedispla ywill
success ivel ytur ngr een until theeve ntsho wnis
re ac hed. Thedrivet ra in will besetfo rmaximu m
fuel econom y.Re cup erati on willch arge thebat‐
te ry.Re cup erati on willbe adaptedto theselec‐
te ddr ive pr og ram.
The eventwillbe sho wnfora shor ttime afte rit
has been passed.Ifth er eis no response tothe
Foot offthe Accele ratorprom pt,th esegment s
will remain white.
If th eeve ntinvo lves ave hicle infront, allseg‐
ments willimmediat elytur ngr een once ther eis
a re sponse totheFoot offthe Accelerator
pr om pt.
Fo ractiv eEC OAssis tin drive pr ogr am ;,
symb ol3 willapp ear onthemultifunc tiondis‐
pla yand ontheHead-up Displaybeside trans‐
mission position 005B.Symbol 3will also appear
when theassis tant displ ayisno tselec ted. If
th esy stem does notint erve ne during the
eve ntahead, nothing will bedispla yed. The sys‐
te m ispass ive.
EC OAssis tis activ eonl yin drive pr ogr ams ;
and A.
Sy stem limit s
EC OAs sis tcan function evenmor epr eci sely if
th ero uteis adher edtowhen routeguidan ceis
act ive. The basic function isalso available with‐
out active ro uteguidan ce.Notall informat ion
and traffic situ ations canbefore seen. Thequal‐
ity depen dson themap data.
EC OAssis tis onl yan aid. Thedriver isresponsi‐
ble forke eping asaf edis tance from theve hicle
in front, forve hicle speed andforbr aking in
good time. Thedriver mus tbe ready tobrak eat
all times irre spectiv eof whe ther thesy stem
int erve nes.
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, high lyvariable
shade condition s,rain, sno w,fogor hea vy
spr ay. R
Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions.
R Ifth er eis dir ton thewindshield inthear ea
of themultifunc tioncamer aor thecamer ais
fo gg ed up, damag edorobscur ed.
R Iftraf fic sig ns areha rd todiscer n,e.g. due to
dir t,sno wor insuf ficie ntlighti ng,orbeca use
th ey areobsc ured.
R Ifth einf ormation onthena vig ation system's
digit almap isincor rect or outof date.
R Ifsigns areambi guou s,e.g. traf fic sig ns in
ro adw orks orinadjacent lanes. DY
NA MIC SELECT switch Fu
nction oftheDY NA MIC SELECT switch Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
% Depe nding ontheengine andequipment,
th eve hicle hasdiffere nt drive pr ogr ams. 18
2
Driving and parking

Use
theDY NA MIC SELE CTswitc hto chang e
be tween thefo llo wing drive pr og rams:
= (Individual): individualse ttings
B (Sport+): particula rly spo rty dr ivin gst yle
C (Sport):spor tydrivin gst yle
A (Comfort): com fortable andeconomic al
dr ivin gst yle
£ (Maybac h):highes tle ve lof drivin gcom ‐
fo rt forcomf ortable and luxur ioustravel
(Mer cedes- Maybac hve hicles only)
; (Eco):par ticular lyeconomical driving
st yle
N (CURVE):comfortable drivin gwit hcur ve
inc linat ionfunc tion (vehicle swit h
E‑ AC TIVE BODY CONTR OL)
F Offroad: driving onless demandi ngoff-
ro ad terrain
G (Offroad +):drivin gon difficul tof f-r oa d
te rrain
% Mer cedes -Maybac hve hicl es:inthedr ive
pr ogr ams F andG, theex tendi ble ru
nning boards remain retract edorretract if
th ey have already been extende d.
% The drive pr ogr am select edappe arsin the
multifu nctiondisplay of theon- boar dcom‐
put er.
% Depen dingonthesituation ,th ecy linder can
be brief lyswitc hedoninthedr ive pr o‐
gr ams ; andA, depending onthe
engine.
Depen dingonthedr ive pr og ram, thefo llo wing
sy stems chang eth eir charact eristic s:
R Drive
- Engin eand trans miss ionman agemen t
- ActiveDis tan ceAssi stDIS TRONI C
R ESP ®
R Vehicl eswith AIRMA TICorE‑A CTIVE
BO DY CONT ROL:
- Susp ension tuning
- Vehicle leve l
R Electricpo we rst eer ing No
teson thero of load display Cer
tain drive pr ogr ams andESP®
se ttings are
unsuit ablefortr anspor tingaro of load.
If one ofthese drive pr og rams issetor sele cted,
th e symbol
issho wnasawa rning. When
th is symbol issho wn, theselect eddrive pr ogr am
is no tsuit able fortr anspor tingaloa don the
ro of.
The follo wing drive pr og rams areaf fect ed:
R Spor tdr ive pr ogr am
R Spor t+ dr ive pr ogr am
R Indivi dual drive pr ogr am with theES P®
se t‐
ting Spor tor Spor t+
% The symbol isalso showninthefo llo wing sit‐
uation s:
R Within theth emes ifacor responding
dr ive pr ogr am issave d
Fo rmor einf ormation onthemes see. Dr
iving andparking 18
3

Disp
laying engin eda ta Mult
imediasystem:
4 © 5
Info #
Select Engine.
The engine datais displa yed.
% The actual (maximum) values that can be
ac hie vedfo rengine outputand engine tor‐
qu ema yde viat efrom thecer tified values
wit hin thecount ry-spe cificgu ideline sfo r
per missible toler anc es(basis: UN-ECE No.
85 orcount ry-spe cificgu ideline s).
Fa ctor sth at can influen cethis are, forex am‐
ple:
R Sea leve l
R Fuelgrade
R Outside temp eratur e
R Oper ating temp eratur eof theengine
% The values displa yedser veonl yas orient a‐
tion. Thevalues forengine outputand
engine torq ue show nin themedia display
ma yde viat efrom theactual values. Calling
uptheconsum ption indicat or Multime
diasystem:
4 © 5
Info #
Select Consumpt ion.
The current and average consu mptionis dis‐
pl ay ed. Au
tomatic trans mis sion DI
REC TSE LECT leve r Fu
nction oftheDIRECT SELECT leve r &
WARNIN GRisk ofacci dent dueto inc or‐
re ct gearshif ting
If th eengine speedishigher than theidle
speed andyouen gage thetransmission posi‐
tion 005Bor005E, theve hicle mayacceler ate
shar ply. #
Ifyo uen gage thetransmission position
005B or005E when theve hicle isat a
st ands till,alw aysdepr essthebr ak e
pedal firm lyand donotacc eler ateat
th esame time. &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R Open doors,ther 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 Chang eth etransmission position.
R Startth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. Dr
iving andparking 18
5

#
When theve hicle isstatio nary,press butt on
005D.
When thetransmission positiondisplay
sho ws005D,th epar kposition iseng aged. Ifno
tra nsmiss ionposition display005D appear s,
secur eth eve hicle topreve ntitfrom rolling
aw ay.
% Dep endingonthesituation ,it ma yta ke a
shor ttime until005Diseng aged. Ther efor e,
alw ayspa yatt ention tothetra nsmiss ion
position display.
Pa rk position 005Diseng aged aut omatic allyif one
of thefo llo wing condition sis me t:
R youswit choffth eignition whentheve hicle
is statio naryand thetransmission isin posi‐
tion 005Bor005E.
R youopen thedr iver's door when theve hicle
is statio naryor when drivin gat ave ry low
speed andthetra nsmiss ionisin position 005B
or 005E.
R youswit chtheengine offand bring theve hi‐
cle toast ands tillwhen theve hicle isrolling
and thetra nsmiss ionisin position 005Bor005E. R
youswit choffth eengine, bring theve hicle
to ast ands tilland open thedr iver's door
when theve hicle isstatio naryor when the
ve hicle isrolling andthetra nsmiss ionisin
position 005C.
R eng aging parkposition 005Dautomaticall yis
re qu ired bytheve hicle.
% Tomaneu verwit han open driver's door ,
open thedr iver's door while statio naryand
eng agetrans miss ionposit ion005Bor005E
ag ain.
Eng agin gdr ive posi tion D #
Depress thebr ak epedal andpush the
DIR ECT SELEC Tleve rdo wn pas tth efirs t
point ofresis tance.
Whe nth eaut omatic transmiss ionisin transmis‐
sion position 005B,itshif tsthege arsaut omat i‐
call y.This depends, amongother things ,on the
fo llo wing fact or s:
R The select eddrive pr ogr am
R The position oftheaccelera torpeda l
R The driving speed Manual
gearshif ting Pe
rm anen tse tting (vehic leswith Offroad
pac kage orE-Ac tiv eBody Contr ol)
Mer cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers. Dr
iving and parking 18
7

#
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 setting for
th etransmission .
Gear shifting #
Toshif tup: pull steer ing wheel gearshif t
paddle 2. #
Toshif tdo wn: pullsteer ing wheel gearshif t
paddle 1. Gea
rshif tre comm endation Mer
cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
The gearshif tre comme ndation assists youin
adop tingan eco nomic aldrivin gst yle. #
Ifge arshif tre comme ndation 1appea rs
ne xt to thetra nsmiss ionposition display,
shif tto there comme ndedgear. Using
kickdow n Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers. #
Maxi mum acceler atio n:dep ress theaccel‐
er ator pedal beyond thepr essur epoint .
The automatic transmiss ionshiftsup tothene xt
ge ar when themaximum enginespeedis
re ac hed toprotect theengine from overrev ving. 18
8
Driving and parking

Glide
mode functio n Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
Wi th an ant icip ator ydr ivin gst yle, Glide mode
helps youto reduce fuelconsum ption.
Glide mode isch aract erize dby thefo llo wing:
R The com bustion engin eis disco nnect edfrom
th edr ivet ra in and continues torunin neu tral .
R The trans mis sion positio ndispl ay005B is
sho wningreen.
R Vehicl eswith 48Von-b oardele ctrical
sy stem (EQ-B oostte ch nology): thecom‐
bus tion engine canbeswitc hedoff.All ofthe
ve hicle functionsremain active.
Gli de mode isactiv ated ifth efo llo wing condi‐
tion sar eme t:
R Mer cede s-Maybac hve hicl es:drive pr o‐
gr am £ issele cted.
R Allother models :dr ive pr ogr am ; is
sele cted.
R The spee dis wit hin asui table rang e. R
The road's courseissuit able, e.g.no steep
uphill ordownhill inclinesortight curves.
R Ther eis no traile rcoupled tothetra iler hitch,
and nobicy clerack installed.
R Youdo notdepr esstheaccelera toror brak e
peda l(e xc ep tfo rlig ht brak eapp lications).
% Glide mode canalsobe activ ated ifyo uha ve
select edthe"Eco" setting forth edr ive in the
dr ive pr og ram =.
Gli de mode isdea ctivated again ifone ofthe
condi tions isno long erme t.
Gl ide mod ecan also be preve nted bythefo llo w‐
ing parame ters:
R Incline
R Downhill gradi ent
R Temp eratur e
R Height
R Speed
R Oper ating status oftheengine
R Traf fic situ ation Tr
ansf ercase Fu
nction ofthetransf ercase &
WARNIN GRisk ofskid ding and having
an acci dent whenin LO WRANGE onslip‐
per yro ad sur faces
The wheelscan bloc kand thus lose traction
on slipp eryro ad sur faces, particular lyin the
fo llo wing situat ions:
R ifyo ure lease theaccelera torpeda lwhen
th eve hicle isin mo tion.
R ifof f-r oad ABS interve nes when braki ng. #
Neversele cttheLO WRANGE off-r oad
ge ar when drivin gon slippe ryroad sur‐
fa ces. &
WARNIN GRisk ofacci dent whenth e
tr ans fercase isin neutr alposi tion
The vehicle mayro llaw ay unin tentio nallyif
yo udo notwa itunt ilth etransf ercase shift
oper ation iscom plete. Dr
iving and parking 18
9

#
Waitunt ilth etra nsf ercase shiftoper a‐
tion iscom plete. This
funct ionisonl yav ailable invehicles with
Of f-road package .
Shif tth etransf ercase totheon- road posit ion
HIGH RANGEorintoth eLO WRAN GEoff-r oad
ge ar.
Do notswit choffth eengine during shif toper a‐
tion anddonotshif tth eaut omatic transmiss ion
to ano ther position .
Shif tra ng es
HIGH RANGE LOWRAN GE
Ro ad posit ionforall
nor mal on-road driv‐
ing situa tions. Of
f-road gear fordr iv‐
ing off-r oad ,when
fo rd ing and onsteep
uphill ordownhill
inclin es. Pr
oper tiesoftheLO WRANGE off-r oad gear:
R reduced maximum permissible speed:
31 mp h(5 0km/h)
R incr easedtractiv epo we r R
chang ingthetransmission ratio byafa ct or of
ab ou tth re e
R increased drive to rq ue
Do notus eLO WRANGE inthefo llo wing situa‐
tion s:
R when drivin gon public roads. Shif
tingth etransf ercase Shif
ting totheLOW RANGEoff-r oad gear Re
quiremen ts:
R youar eno tdr ivin gon apa vedor public road.
R theve hicle isstatio nary. 19
0
Driving and parking

#
Pull LOWRAN GE1 rock er switc h.
Indic ator lam p2 flashes .The shiftre qu est
st ay sactiv efo ra maximu mof 30 seconds. If
all requ iremen tsforshif toper ation areno t
fulf illed within this tim e,indic ator lam p2
switc hesoffag ain and theshif toper ation
mus tbe star tedag ain. #
Switc hth etra nsmiss iontoposition 005C.
If shif toper ation issucces sful,theLOW
RANGE Onmessag eappear sin theins tru‐
ment cluster,an audible signalsoun dsand
ind icat orlam p2 and anind icat orlam pin
th eins trument clusterlig ht up continuous ly. #
Switc hth etra nsmiss iontoposition 005B.
% The vehicle stay sin LO WRANGE ifyo upar k
th eve hicle inLO WRANGE, even afte rth e
engine hasbeen restar ted.
% Youwill notbe able toswitc hon LOW
RAN GEifdr ive pr og ram C orB is
switc hedon.The vehicle switchestodrive
pr ogr am A. In
theon-r oad posit ion,shiftto HIGH RANGE
Re quiremen ts:
R theengine isrunning andyouar eno tdr ivin g
fa ster than 31 mp h(50 km/h). #
Pull LOWRAN GE1 rock er switc h.
The shiftre qu estst ay sactiv efo ra maximu m
of 30 seconds. Ifall requ iremen tsforshif t
oper ation have notbe en fulfilled within this
tim e,shif topera tionmustbe star tedag ain. #
Switc hth etra nsmiss iontoposition 005C.
If shif toper ation issucces sful,theLOW
RANGE Offmessag eappear sin theins tru‐
ment cluster,an audible signalsoun dsand
th eindicat orlam psgo out. #
Switc hth etra nsmiss iontoposition 005B. Fu
nction ofthe4MA TIC
4MA TICensures that all four wheel sar edr iven .
To get her withESP ®
and 4ETS,4MA TICimprove s
th etraction ofyour vehicle whene vera dr iven
whee lspins duetoinsuf ficie nttracti on. If
yo ufa ilto adap tyo ur drivin gst yle, 4MA TICcan
neit her reduce therisk ofan accident norover‐
ri de thelaws ofphysics. 4MA TICcannotta ke
acc oun tof road, weather and traf fic condi tions.
4MA TICisonly anaid. Youar ere sponsible espe‐
cially formaint ainingasaf edis tance from the
ve hicle infront, forve hicle speed, forbr aking in
good timeandforst ay ing inlane.
% Inwint ryroad con dition s,themaximum
ef fect of 4MA TICcan beachie vedonl yif yo u
use wint ertires (M+ Stir es), withsn ow
ch ains ifnec essar y. Re
fueli ng Re
fueli ngtheve hicl e &
WARNIN GRisk offire or explosion from
fuel
Fu els arehighly flammab le. #
Fire,open flames ,smo kingand creat ion
of spar ksmus tbe avo ided. Dr
ivin gand parking 19
1

#
Swi tchof fth eignition and,ifav ailable,
th est atio naryheat er,bef oreand while
re fuel ingtheve hicle. &
WARNIN GRisk ofinju ryfrom fuels
Fu els arepoisonous andhazar dous toyour
healt h. #
Donotsw allo wfuel orletit co me into
co ntact withsk in, eyes orclo thing. #
Donotinhale fuelvapor . #
Keep childr enaway from fuel. #
Keep door sand windo wsclos edduring
th ere fuel ingprocess.
If yo uor other people comeintocont actwith
fuel, obser vethefo llo wing: #
Imm ediat elyrinse fuelof fyo ur skin wit h
soap andwater. #
Iffuel comes intocont actwithyo ur
ey es, immediat elyrinse them thor‐
oughl ywit hclean water.Seek medical
att entio nimm ediately . #
Ifyo usw allo wfuel, seek medicalatten‐
tio nimm ediat ely. Do notind uce vomit‐
ing. #
Cha ngeimmedi ately out ofclo thing that
has com eint ocon tact with fuel . &
WARNIN GRisk offire and explosion due
to electr ostatic charge
Ele ctrostatic charge can ignitefuel vapor . #
Beforeyo uopen thefuel filler cap or
ta ke hold ofthepum pnoz zle, touc hth e
me tallic vehicle body. #
Toavo idcreatin gano ther electr ostatic
ch arge ,do notget intoth eve hicle again
dur ing there fuel ingprocess. *
NO
TEDama gecau sed bythewr ong fuel Ve
hicles withaga soline engine:
Ev en small amounts ofthewr ong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission control system. #
Onlyre fuel withlow- sulfur unleade d
fuel.
This fuelmaycont ainupto10%ethanol. Your
ve hicle issuit able foruse withE1 0fuel .
Ne verre fuel withone ofthefo llo wing fuels:
R Dies el
R Gasoline withmor eth an 10%ethanol by
vo lume, e.g.E15, E8 5,E100
R Gasoline withmor eth an 3% methano lby
vo lume, e.g.M15,M30 ,M85 ,M1 00
R Gasoline withadditiv escon tainin gme tal
If yo uha ve acc iden tally re fuel edwithth e
wr ong fuel: #
Donotswit chtheignition on. #
Consult aqu alif ied spec ialistwo rkshop. 19
2
Driving and parking