light MERCEDES-BENZ GLE SUV 2021 Repair Manual

Fu
nction ofESP ®
trailer stabil izatio n &
WARNIN GRisk ofacci dent inpoo rro ad
and weather condition s
In poor road and weather condition s,the
tr ai le rst abiliz ationcan notpr eve ntlurc hing of
th eve hicle/tr ailercombination. Trailer swit h
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 Elect
ronic Brea kfor ce Dis trib uti on (EBD) isch ar‐
act 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 Dr
iving and parking 18
7

R
Situ ation-de pendentbraki ng assis tance
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
pedes trians, orreduce theef fects ofsuch acol li‐
sion .
If Ac tiveBr ak eAssi sthas detected arisk ofcolli‐
sion, awa rning tone sou nds and theL dis‐
ta nce warning lam plight sup intheins trument
clus ter.
Ve hicl eswith PRE-S AFE®
:depe nding onthe
cou ntry,an addit ionalhap ticwarning occursin
th efo rm ofslight, repeat edtensi oni ng ofthe
seat belt.
If yo udo notre act tothewa rning, autono mous
br akin gcan beinit iated incritic alsituat ions.
In espec iallycr itic alsituat ions,Ac tiveBr ak e
Assi stcan initia te aut onomo usbrakin gdir ect ly.
In this case, thewa rning lam pand warning tone
occu rsi mu ltane ously with thebr aking applica‐
tion . If
yo uappl yth ebr ak eyo urself inacr itical situa‐
tio nor appl yth ebr ak edur ing autonomous brak‐
ing, situation -dependen tbr aking assistance
occu rs.The brak epr ess ureincr eases uptomax‐
imum full-sto pbr aking ifnec essar y.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 181). If
aut onom ous brak ing or situa tion-de pende nt
br aki ng assist anc ehas occurred, displa y1
appear sin themultifunc tiondispla yand then
aut omaticall ygoes outafte ra shor ttime.
If th eaut onomous braking function orthesitua‐
tion -dependen tbr aking assistance istrig ge red, additional
preve ntiv emea suresfo roccupa nt
pr otect ion (PRE-S AFE®
)ma yalso beinitiat ed. &
WARNIN GRisk ofan acci dent caused by
limit eddetection perform anc eof Active
Br ak eAssi st
Ac tiveBr ak eAssi stcanno tal wa ys cle arly
ident ifyobje ctsand complextraf fic situ a‐
tions . #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on ActiveBr ak e
Assi stalon e.Ac tiveBr ak eAssi stisonl y
an aid. Thedriver isresponsible for
maint ainingasuf ficie ntly safedist anc e
to theve hicle infront, vehicle speed
and forbr aking ingood time. #
Beprepa redto brak eor sw erve ifnec ‐
essar y. Als
oob ser vethesy stem limits ofActiveBr ak e
Assi st. 18
8
Driving and parking

The
indiv idua lsub func tions areav ailab lein
va rious speed rang es:
The distance warning func tion canissue awa rn‐
ing inthefo llo wing situat ions:
R From appr oximat ely4 mp h(7 km/h), ifyo ur
ve hicle iscritically closetoave hicle, cyclis t
or pedes trian, youwill hear anintermit tent
wa rning tone and theL distance warning
lam plight sup intheins trument cluster.
Ve hicl eswith PRE-S AFE®
:depe nding on
th ecount ry,an addition alhap ticwarning
occ ursin thefo rm ofslight, repeat edten‐
si oni ng oftheseat belt.
Br ak eimmediat elyortake evasiv eact ion,pr ov i‐
ded itis saf eto do soand thetraf fic situ ation
al lo ws this. Dis
tance warning funct ion(vehicles without
Dr iving Assistance Packag e)
The distance warning func tion canaidyouin the
fo llo wing situat ionswithan intermit tent wa rning
to ne and awa rning lam p:
R atspeeds uptoappr oximat ely15 5mp h
(250 km/h)when approaching vehicles
ahead
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching statio naryve hi‐
cles, moving pedes trians andcyclis tsahead
R atspeeds uptoappr oximat ely37 mph
(60 km/ h)when approaching crossin g
cy clis ts
Dis tance warning funct ion(vehicles with
Dr iving Assistance Packag e)
The distance warning func tion canaidyouin the
fo llo wing situat ionswithan intermit tent wa rning
to ne and awa rning lam p:
R atspeeds uptoappr oximat ely15 5mp h
(250 km/h)when approaching vehicles
ahead R
atspeeds uptoappr oximat ely62 mph
(1 00 km/ h)when approaching statio nary
ve hicles
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching moving pedes‐
tr ians andcyclis tsahead
R atspeeds uptoappr oximat ely43 mph
(70 km/ h)when approaching statio nary
pedes trians ,cr oss ing vehicles andstatio nary
and cross ing cyclis ts
Au tonomous braking function (vehicles with‐
out Driving Assistance Packag e)
If th eve hicle istrave ling atspeeds above
appr oximat ely4 mp h(7 km/h), theaut onomous
br aking function mayint erve ne inthefo llo wing
situat ions:
R atspeeds uptoappr oximat ely12 4mp h
(200 km/h)when approaching vehicles
ahead
R atspeeds uptoappr oximat ely50 mph
(80 km/ h)when approaching cyclis tsahead Dr
iving andparking18
9

Ac
tiveBr ak eAssi stma ycancel thebr ak eappli‐
cation whenoneofthefo llo wing condition sis
fulf illed:
R Youman euvertoavo idtheobs tacle .
R The reisno long erarisk ofcollision.
R Anobs tacle isno long erdetected infront of
yo ur vehicle.
Ev asiv eSte ering Assis t(onl yve hicl eswith
Dr ivin gAss istanc ePa ckag e)
Ev asi ve Steer ing Assis thas thefo llo wing charac‐
te rist ics:
R The ability todetect statio naryor mo ving
pedes trians .
R Assis tance thro ugh powe r-assis tedsteer ing if
it de tects asw erving mane uver.
R Activati on byan abr uptst eer ing movement
dur ing asw erving maneu ver.
R Assi stanc edur ing swervin gand stra ight enin g
of theve hicle.
R React ion from aspee dof appr oximat ely
12 mp h(20 km/h) uptoaspee dof appr ox‐
imat ely43 mph(70 km/h). Yo
ucan preve nttheassis tance atanytime by
act ivel yst eer ing.
Cor nering function (onlyve hicl eswith Driv‐
ing Assistanc ePa ckag e)
If adang erofcoll ision from anoncoming vehicle
is de tected whe ntur ning across anoncomi ng
la ne, autonomo usbraki ng can beinitia tedat
speeds below9mp h(1 5 km/h) beforeyo uha ve
lef tth elane inwhic hyo uar edr ivin g. &
WARNIN GRisk ofacci dent despite Eva‐
si ve Steer ing Assis t
Ev asiv eSt eer ing Assis tcann otalw aysre cog‐
nize objectsorcom plex traf fic situ ations
cle arly.
Mor eover,th esteer ing suppor tpr ov ided by
Ev asive St eer ing Assis tis no tsuf ficie ntto
av oid acollision. #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation; donotre ly on Evasiv e
St eer ing Assis talone. #
Beprepar edtobrak eor sw erve ifnec ‐
essar y. #
End thesuppor tby act ivel yst eer ing in
non -critical situation s. #
Drive at an appr opriatespeed ifth er e
ar epedes trians close tothepat hof
yo ur vehicle. Sy
stem limit s
Fu llsy stem perform anc eis no tav ailable fora
fe w sec ond saf te rswitc hingontheignition or
af te rdr iving off.
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringrea tly varying
ambien tlight .
R Ifth esensor sar edir ty,fo gg ed up, damag ed
or covered.
R Ifth esensor sar eim pair eddue tointerfer‐
ence from other radar sour ces, e.g.stro ng
ra dar reflect ions inpar king garage s.
R Ifaloss oftirepr essur eor afa ulty tirehas
been detected and displ aye d.
R IfDS Ris activ e. Dr
iving andparking 19
1

Disp
lays on themu ltifunct iondisp lay
R h (gray):cr uise control isselect edbut
no tye tacti vated.
R h (green): cruise control isactiv e.
A stor ed speed appear salong withth eh dis‐
pla y.
% The segment sbe tween thestor ed speed and
th eend ofthesegment displaylight upin
th espeedome ter.
Sy stem limit s
Cr uise control ma ybe unable tomaint ainthe
st or ed speed onuphill gradients. Thestor ed
speed isresumed whenthegr adient evensout.
Ch ang eint oalowe rge ar ingood timeon long
and steep downhill gradients. Take par ticular
no te ofthis when drivin galaden vehicle. By
doing so,youwill mak euse ofthebr aking effect
of theengine. Thisrelie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y. Do
notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads.
R Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor .
Ope ratin gcr uis eco ntr ol &
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The vehicle speed isat leas t15 mp h
(20 km/ h). R
The transmis sionisin positio n005B. Oper
atingcr uise contr ol #
Press thero ck er switc hon thesteer ing
wheel control panel upordown tothe
desir edposition .
Ac tiv atin gcr uis eco ntr ol #
Select M with theright rock er switc h. Dr
iving andparking 19
3

No
teson DSR &
WARNIN GRisk ofskid ding and accident
whe nDSR isacti vatedon slipper yro ad
sur faces
If th edr iven speed andtheta rget speed dif‐
fe r, th ewheels 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. Obser
vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 181).
Yo uar ealw aysre sponsible forke eping control of
th eve hicle andforasse ssing whether thedo wn‐
hill gradient canbenego tiated. Depen dingon
ro ad sur face and tires, DSR mayno tal wa ys be
able tokeep tothetar getsp ee d. Sel ect ata rget
speed suitable forth een vironmen talcon dition s
and also applyth ebr 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. Dr
iving andparking 19
5

Ot
her featur esofActiveDis tance Assist
DIS TRONI C:
R Adjus tsthedr iving style depending onthe
select eddrive pr ogr am (fuel efficie nt, com‐
fo rtable ordynam ic)
R Initi at es acc eleration tothestor ed speed if
th etur nsignal indicat orisswitc hedonto
ch ang eto theove rtakin glane
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:
- React sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les)
- Take sone-sided overtakin gre strictions
int oacco untonfree wa ys oron multi-lane
ro ads withsepar atero adw ays(countr y-
dependen t)
Ve hicl eswith Activ ePa rking Assis tand Driv‐
ing Assis tance Packag e:ifth eve hicle has
been brak ed toast ands tillon mult i-lane,sepa‐
ra te roadw aysby ActiveDis tance Assist
DIS TRONI C,itcan automatical lyfollo wtheve hi‐
cle infront, driving offag ain within 30seconds. If
acr itical situation isde tected whe ndr ivi ng off,
a vis ualand acoustic warning isgiv en indic ating
th at thedr iver mus tno wtake contr olof theve hi‐
cle. The vehicle isno tacceler ated anyfur ther.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 181).
Ac tiv eDi stance AssistDI ST RO NIC displa ysin
th eins trum ent clus ter Assi
stant displa y
1 Route-based speedadap tatio n:typ eof route
eve nt(/ page 201)
2 Vehicle infront 3
Distance indicator
4 Setspe cified dist anc e
5 ActiveLa ne Chang eAssi stlane chang edis‐
pla y
Pe rm anen tst atus displa yof Activ eDi stance
Ass istDI ST RO NIC
R k (white ):Ac tiveDis tance Assist
DIS TRONI Csel ect ed,sp eci fied distance set
R k (green): ActiveDis tance Assist
DIS TRONI Cacti ve,specif ieddistance setand
ve hicle detected
R r: Route-based speedadap tatio nacti ve
( / pag e20 1).
The stor ed speed issho wnalong withth eper‐
manen tst atus displa yand highlight edon the
speedome ter.When ActiveDis tance Assist
DIS TRONI Cis pa ssi ve,th espeed isgray ed out.
% Onfree wa ys orhigh-speed major roads, the
gr een ç vehicle symbol isdispla yedcy cli‐
cally when theve hicle isready topull away. Dr
iving and parking 19
7

%
Ifyo udepr esstheacceler ator pedal beyond
th ese tting oftheAc tiveDis tance Assist
DIS TRONI C,thesy stem isswitc hedtopas‐
siv emode. Theç Suspende dmessage
appear sin themultifunc tiondispla y.
Disp layon thespeed ometer
The stor ed speed ishighlight edon thespeedom‐
et er.If th espeed oftheve hicle infront orthe
speed adjustment isless than thestor ed speed
due tothero uteeve ntahead, thesegment son
th espeedome terlig ht up. Deactiv ationofActive
Dis tance AssistDIS TRONI C,as wellas altera‐
tion sto thespeed duetomanua lor automatic
adop tionofthemaximum permissible speed,are
displa yedin thecon trol feedbac kof themulti‐
func tion displa yon asing leline.
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions,fo rex am ple:
R Insnow ,ra in, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringrea tly varying
ambien tlight . R
Ifth er eis swir ling dust,e.g. when driving off-
ro ad oron san dysur faces.
R The windsh ield inthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Ifth era dar sensor sar edir tyor covered.
R Inpar kingga rage sor on roads withsteep
uphill ordownhill gradients.
R Ifth er ear enar row vehicles infront, suchas
bicy cles ormo torcyc les.
In addition ,on slipper yro ads, brakin gor acc el‐
er atin gcan caus eon eor severalwheels tolose
tr act ion and theve hicle could then skid.
Do notuse ActiveDis tance AssistDIS TRONI Cin
th ese situation s. &
WARNIN GRisk ofacci dent from acce ler‐
ati on orbraki ng byActiveDis tance
Assi stDIS TRONI C
Ac tiveDis tance AssistDIS TRONI Cma yacc el‐
er ateor brak ein thefo llo wing cases ,fo r
ex am ple:
R Ifth eve hicle pullsaway usin gAc tiveDis ‐
ta nce AssistDIS TRONI C.
R Ifth estor ed speed iscalled upand is
consider ablyfa ster or slo werth an the
cur rently driven spe ed.
R IfAc tiveDis tance AssistDIS TRONI Cno
lo ng er detects ave hicle infront ordoes
no tre act toreleva nt objects. #
Alw ayscar efully observethetraf fic con‐
di tions andbeready tobrak eat all
times. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. 19
8
Driving and parking

The
follo wing routeeve nts areta ke nint o
acco unt:
R Curves
R T-int ersect ions,ro und about sand tollst atio ns
R Turnsand exits
R Traf fic jams ahead(only with Liv eTr af fic )
% Whe nth eto llst atio nis reac hed, ActiveDis ‐
ta nce AssistDIS TRONI Cad op tsthespeed as
th estor ed speed.
Also, thespeed isreduced ifth etur nsignal indi‐
cat ortochang elane sis swit ched on and one of
th efo llo wing situat ionsisde tected:
R Turning offat intersect ions
R Drivin gon slowing- down lanes
R Drivin gon lanes adjacenttoslo wing-do wn
lanes
The driver isresponsible forch oosing theright
speed andobser vingother road user s.This
applies inpar ticular tointersect ions,ro und ‐
about sand traffic lights, asroute-based speed
adap tatio ndo es notbr ak eth eve hicle toast and‐
st ill. When
routeguidan ceisact ive, thefirs tsp ee d
ad jus tment iscar ried out automaticall y.Ifth e
tur nsigna lind icatoris swi tched on,theselect ed
ro uteis co nfirmed andfurther speed adjustment
is activ ated.
Speed adaptatio nis canc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedoff
bef oreth ero uteeve nt.
R Ifth edr iver depr esses theacceler ator or
br ak epedal during thepr ocess.
Sy stem limit s
Ro ute-based speedadap tatio ndo es notta ke
ri ght ofwa yre gulations intoaccount .The driver
is responsible forcom plying withro ad traf fic
re gulations anddriving atasuit able speed.
In dif ficul tcondi tions,th espeed selectionmade
by thesy stem mayno talw aysbe suit able:
R unclear roads
R road nar row ing
R wetro ad sur faces, snowor ice
R whe nto wing atrailer In
these situation sth edr iver mus tint erve ne
acco rding ly. &
WARNIN GRisk ofacci dent inspi teof
ro ute-based speedadap tatio n
Ro ute-based speedadap tatio ncan malfunc‐
tio nor be temp orarily una vailable inthefo l‐
lo wing situat ions:
R Ifth edr iver does notfo llo wthecalcula‐
te dro ute
R Ifmap datais no tup-t o-dat eor available
R Intheeve ntofroadw orks
R Inbad weather orroad con dition s
R Ifth eaccelera torpeda lis depr essed
R Intheeve ntofelectr onicallydispla yed
speed limitations #
Adaptth espeed tothetraf fic situ ation. Se
tting rout e-base dspee dadap tation Re
quirement s: 202
Driving andparking

If
th edr iver does notre act tothis wa rning fora
consider ableper iod, anemerg encystop isiniti‐
at ed (/ page206).
The warning isno tissued orisstopped whenthe
dr iver giv es con firm atio nto thesy stem:
R The driver steer sth eve hicle.
R The driver presses ast eer ing wheel buttonor
oper ates Touc hCon trol.
If Ac tiveSt eer ing Assis tde tects that asy stem
limit hasbeen reac hed, avisual warning is
issued andawa rning tone sou nds.
Obs erve theno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 181).
Sy stem limit s
Ac tiveSt eer ing Assis thas alimit edsteer ing tor‐
qu efo rlat eral gui dance. Insome cases, the
st eer ing interve ntio nis no tsu fficien tto keep the
ve hicle inthelane ortodrive th ro ugh exits. The
system maybe impair edorma yno tfunc tion
in thefo llo wing instances:
R The reispoor visibilit y,e.g. due tosno w,rain,
fo g, hea vyspr ay,gr eatl yva rying ambien t
light orstro ng sha dows onthero ad.
R Ther eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions.
R Insuf ficie ntroad illumin ation.
R The wind shieldisdir ty,fo gg ed up, damag ed
or coveredin thevicinit yof thecamer a,e.g.
by ast icke r.
R No, orseveral,unc lear lane markingsare
pr esen tfo rone lane, orthemar king sch ang e
qu ickl y, forex am ple, inacon stru ction area
or intersecti ons.
R The lane mar kings arewornaw ay,dar kor
co veredup, e.g. bydirtor sno w.
R Ifth edis tance totheve hicle infront istoo
shor tand thus thelane marking scann otbe
de tected.
R The road isnar row and wind ing.
R Ther ear eobs tacle son thelane orprojec ting
out intoth elane, suchas objec tmar kers. The
system does notpr ov ide assis tance inthe
fo llo wing condition s:
R Ontigh tcur vesand when turning.
R When crossing intersections.
R Atround about sor tollst atio ns.
R When towing atrailer .
R When thetir epr essur eis toolow. &
WARNIN GRisk ofacci dent ifAc tive
St eer ing Assis tune xpect edlyst ops 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. 20
4
Driving and parking