2020 MERCEDES-BENZ GLS Owners Manual

R
Ifth eve hicle isbac king upatwa lkin gpace.
R Ifth emaneuv ering assis tant func tionis acti ‐
va tedin themultimedia system.
Sy stem limit s
Cr oss Traf fic Aler tis no tav ailable onincline s.
Cr oss Traf fic Aler tis no tav ailable whendrivin g
wit hatrailer .
% Alsoobse rveth esy stem limits ofActive
Bli nd Spo tAssi st(/ pag e29 1).
Ac tiv atin g/deac tivatin gmane uveringass is‐
ta nc e
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g #
Switc hManeuverin gAssist anceonoroff.
% Maneuv ering assis tance mustbe activ efo r
th efunc tion ofDrive Aw ayAssi st
( / pag e285) andCross Traf fic Aler t
(/ page 286) . AT
TENTI ONASSIST Fu
nction ofATTENTI ONASSIST
AT TENTION ASSISTassis tsyouon long,mon oto‐
nous journeys,e.g. onhighw aysand trunk roads.
If AT TENTION ASSISTde tects indicatorsof fati‐
gu eor incr easing laps es inconce ntration onthe
par tof thedr iver ,it sugg ests taking abr ea k.
AT TENTION ASSISTis onl yan aid. Itcann ot
alw aysde tect fatig ue orlaps es inconce ntration
in tim e.The system isno ta subs titutefo ra we ll-
re sted and attent ive dr iver .On long journeys,
ta ke regular break sin good timethat allo wfor
adeq uatere cup erati on.
Yo ucan choose between twose ttings:
R Standar d:nor mal system sensit ivity.
R Sensitiv e:higher system sensit ivity.The
dr iver iswa rned ear lier and theatt ent ion
le ve lde tected byATTENTION ASSISTis adap‐
te daccor dingly.
If dr ow siness orincr easing lapsesinconcen tra‐
tion arede tected, theATTE NTION ASSIS T:Take
a Break !wa rning appear sin theIns trument Dis‐
pla y.Yo ucan ackn ow ledg eth emessag eand tak
eabr eak wher eneces sary.Ifyo udo notta ke
a br eak and ATTENTION ASSISTcont inues to
de tect incr easing lapse sin concentr ation, you
will bewarned again afte ra minimu mof
15 minut es. Yo
ucan have thefo llo wing status informat ionfor
AT TENTION ASSISTdispla yedin theassis tance
menu oftheon- boar dcom puter:
R The lengt hof thejour neysince thelas t
br eak .
R The attent ion leve lde term ined byATTENTION
ASS IST:
- The fuller thecir cle, thehigher theatt en‐
tion alleve lde term ined Dr
ivin gand parking28
7

-
Asyour att entio nwa nes, thecir cle inthe
cent erofthedispla ybecomes smaller
If AT TENTION ASSISTis unable tocal cul ateth e
att ent ion leve land cannotissue awa rning, the
Sys tem Suspend edmes sage appear s.
If awa rning isgiv en intheIns trument Display,
th emultimedia system offers to sear chfora re st
ar ea. Youcan selectare st area and star tna vig a‐
tio nto this rest area. This function can beact iva‐
te dand deactiv ated inthemultimedia system.
If AT TENTION ASSISTis deactiv ated, theÛ
symbol appearsin theassis tance grap hicin the
Ins trument Displaywhen theengine isrunning .
AT TENTION ASSISTis activ ated aut omaticall y
when theengine isre-sta rted. The lastselect ed
sensit ivityleve lre mains stor ed.
Sy stem limit s
AT TENTION ASSISTis activ ein the37 mph
(60 km/ h)to 124mp h(2 00 km/h) speedra ng e. The
func tional ity ofATTENTION ASSISTis
re strict ed, and warnings maybe dela yedor not
occ uratall inthefo llo wing situat ions:
R Ifyo uha ve been driving forless than appr ox‐
imat ely30 min utes.
R Ifth ero ad con dition ispoor (unevenro ad
sur face orpotholes).
R Ifth er eis ast ro ng side wind.
R Ifyo uadop ta spor tydrivin gst yle (high cor‐
ner ing speeds orhigh ratesof acceler ation).
R Ifth eSt eer ing Assis tfunc tion ofActiveDis ‐
ta nce AssistDIS TRONI Cis acti ve.
R Ifth etime hasbeen setincor rectly .
R Inacti vedriving situation s,ifyo uch ang e
lane sand vary your spee dfreq uen tly.
The ATTENTION ASSISTtir edness oraler tnes s
assessment isdele tedand restar tedwhen con‐
tin uing thejour neyin thefo llo wing situat ions:
R Ifyo uswit choffth eengine.
R Ifyo uunf astenyo ur seat beltandopen the
dr iver's door (e.g.chang ingdriver sor taking
a br ea k). Se
ttin gAT TENTI ONASSIST
Multimedia system:
4 © 5
Set ting s5
Assist ance
5 Atten tion Assist
Se tting options #
Select Standard, SensitiveorOff.
Sugg esting are st area #
Select SuggestRes tArea. #
Activateor deacti vate thefunc tion.
If AT TENTION ASSISTde tects fatig ue or
incr easing lack ofatt ention ,it sugg ests a
re st area inthevicinit y. #
Select thesugg estedre st area.
Yo uar eguided totheselect edrest area. 288
Drivin gand parking

Tr
af fic Sign Assis t Fu
nction ofTraf fic Sign Assis t Tr
af fic Sign Assistdetects traf fic sig ns with mul‐
tifunction camera1. Itassi stsyo uby displa y‐
ing detected spe edlimits andovertakin gre stric‐
tions intheins trument clusterand optionally in
th eHead-up Displayor cent raldispla y. Since
Traf fic Sign Assistalso uses thedat a
st or ed inthena vig ation system, itcan updat e
th edispla yin thefo llo wing situat ionswithout
de tecting traf fic sig ns:
R Whe nth eve hicle chang esroads, e.g.fr ee‐
wa yen try or exitro ads.
R When avillag eor cityboun darywhic his
st or ed inthedigit almap ispassed.
The camer aalso detects traf fic sig ns with a
re striction indicated byan addit ionalsign (e.g.
when wet).
Tr af fic Sign Assistisonl yan aid. Thedriver is
re sponsible forke eping asaf edis tance from the
ve hicle infront, forve hicle speed andforbr aking
in good time.
Wa rning when thema xim um permis sible
speed isexc eeded
The system can warnyouif yo uunin tentio nally
exc eed themaximum permissible speed.Todo
th is, youcan spec ifyinthemultimedia system
by howmuc hth emaximum permissible speed
can beexc eeded beforeawa rning isissued. You
can specify whether thewa rning isto be justa
visual warning oran acous ticone aswell. Displa
yin theIns trum ent Displa y In
stru ment Displa yin theWi descr eenCockpit
1 Perm issible speed
2 Perm issible speedwhenther eis are striction
3 Addition alsign withre striction
% Ve
hicl eswith ast andar dIns trument Dis‐
pla y:a+ symbo lne xt to atraf fic sig nin the
Ins trument Displayindicat esthat addit ional
traf fic sig ns have been detected. Thesecan
al so be displ ayed inthemedia displayand
op tion ally intheHead-up Display.
If Traf fic Sign Assistcanno tde term ine thecur‐
re nt ma ximu mperm issible speed(e.g.dueto Dr
iving and parking 289

missi
ngsigns), thefo llo wing displa yappear sin
th eIns trument Display: This
isdispla yedcon tinuousl yif th eve hicle isin
a countr ywher eTr af fic Sign Assistisno tsup‐
por ted. Traf fic Sign Assistisno tav ailable inall
coun tries.
% Alsoobse rveth einf ormation ondispla ymes‐
sag esinTraf fic Sign Assist(/ pag e56 7).
Sy stem limit s
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, ifth er ear e
highl yva riable shade condition sor inrain,
sno w,fogor hea vyspr ay.
R Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions. R
Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth etra ffic sign sar ehar dto detect, e.g. due
to dir tor sno w,orbecause they areco vered
or due toinsuf ficie ntlighti ng.
R Ifth einf ormation inthena vig ation system's
digit almap isincor rect or out-of-da te.
R Ifth esigns areambiguous, e.g.traffic sign s
on con stru ction sites orinad jacent lanes.
R Ifyo utur nshar ply, when passin gtraf fic sig ns
ou tsid eth ecamer a'sfield ofvision.
Se tting Traf fic Sign Assis t
Re quirement s:
R Onl yve hicl eswith Drivin gAss istanc e
Pa ckag e:
Ac tiveDis tance AssistDIS TRONI Cmu stbe
activ ated forth eaut omatic adoptionof
speed limits. Multimedia
system:
4 © 5
Set ting s5
Assist ance
5 Traffic SignAssist
Ac tiv atin g/deac tivatin gaut omati cadop tion
of spe edlimits (onlyve hicl eswith Drivin g
Ass istanc ePa ckag e) #
Select LimitAdoptio n. #
Activateor deacti vate thefunc tion.
The speed limitsdetected byTraf fic Sign
Assi stareaut omat icallyadop tedby Active
Dis tance AssistDIS TRONI C.
% Ifone ofthefo llo wing systems isactiv ated,
th espeed detected can bemanu ally ad op ted
as thespeed limit:
R ActiveDis tance AssistDIS TRONI C
R Cruise contr ol
R Variable limiter
Fu rther information (/page23 7).
Displa yingdetected traf fic signs inthe
me diadispla y #
Select DisplayinCentra lDispl ay. 290
Driving andparking

#
Activateor deacti vate thefunc tion.
Ad jus tingthe type ofwa rning #
Selec tVisual &Audible ,Visual orOff .
Ad jus tingthe warning threshold
This value determ ines thespeed atwhic ha
wa rning isissued whenexceeded. #
Select Warning Threshold. #
Setth edesir edspeed. Blind
SpotAssis tand Activ eBli nd Spo t
As sist wit hex itwa rning Fu
nction ofBlind SpotAssis tand Activ e
Bli nd Spo tAs sist wit hex itwa rning
Blin dSpo tAss istand ActiveBli nd Spo tAssi st
use twolat eral, rear-facin gra dar sensor sto
monit orthear ea up to130ft (40 m)behind and
10 ft(3 m) next to your vehicle.
If ave hicle isde tected atspe eds aboveappr ox‐
imat ely8 mp h(12 km/h) andthis vehicle subse‐
qu ent lyent ersth emonit oring rang edire ctly next
to your vehicle, thewa rning lam pin theoutside
mir rorlig hts upred. If
ave hicle isde tected clos eto theside ofyour
ve hicle, there dwa rning lam pin theoutside mir‐
ro rflashes .If yo uswit chon thetur nsignal indi‐
cat orinthecor responding direction, awa rning
to ne sou nds once .If th etur nsignal indicat or
re mains switchedon,allother detected vehicles
ar eindicat edonlyby theflashin gof there d
wa rning lam p.
If yo uove rtak eave hicle quickl y, no warning is
giv en. &
WARNIN GRisk ofacci dent despite Blind
Spo tAssi st
Bli nd Spo tAssi stdoes notre act tovehicles
appr oaching andovertakin gyo uat agr ea tly
di ffer ent speed.
As are sult, Blind SpotAssis tcanno twa rn
dr iver sin this situat ion. #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation and maintain asaf edis‐
ta nce attheside oftheve hicle. Blind
SpotAssis tand ActiveBli nd Spo tAssi st
ar eon lyaids. Theyma yfa ilto detect some vehi‐ cles
andareno subs titutefo ratt entiv edr iving.
Alw aysensur eth at ther eis suf ficie ntdist anc eto
th eside forot her road user sand obstacle s.
Exi twa rning
The exitwa rning isan addition alfunc tion of
Blin dSpo tAss istand canwarnvehicle occu‐
pants about approaching vehicles whenleaving
th eve hicle when statio nary. &
WARNIN GRisk ofacci dent despite exit
wa rning
The exitwa rning react snei ther tostatio nary
obj ect sno rto vehicles approaching youat a
gr eat lydif fere nt spe ed.
As are sult, theex itwa rning cannotwa rn
dr iver sin these situation s. #
Alw ayspa ypar ticular attention tothe
tr af fic situ ation whe nope ning thedoor s
and makesur eth er eis suf ficie ntcle ar‐
ance . If
th er eis ave hicle inthemonit oring rang e, this
is indic ated intheoutside mirror.If ave hicle
occupant opensthedoor ontheside withth e Dr
iving and parking 29
1

wa
rning, awa rning tone sou nds and thewa rning
lam pin theoutside mirrorst ar ts to flash.
This addit ionalfun ction ison lyavailable when
Blin dSpo tAs sis tis act ivat ed and uptoamax i‐
mum ofthre eminut esafte rth eignition has
been switchedoff.The exitwa rning isno long er
av ailable once thewa rning lam pin theoutside
mir rorflashes thre etimes.
The exitwa rning isonl yan aid and nota subs ti‐
tut efo rth eatt ent ion ofvehicle occupants. The
re sponsibili tyforopening andclosi ngthedoor s
and forlea ving theve hicle remains withth eve hi‐
cle occupants.
Sy stem limit s
Blin dSpo tAs sis tand ActiveBli nd Spo tAssi st
ma ybe limi tedin thefo llo wing situat ions:
R Ifth er eis dir ton thesensor sor thesensor s
ar eobscur ed
R Inpoor visibility ,e.g. due tofog, hea vyrain or
sno w
R Ifth er ear enar row vehicles, e.g.bicycles or
mo torbik es
R Ifth ero ad has very wide ornar row lanes R
Ifve hicles areno tdr iving inthemiddle of
th eir lane
Wa rnings maybe issued inerro rwhen driving
close tocrash barrier sor similar solidlanebor‐
der s.Alw aysmak esur eth at ther eis suf ficie nt
di st anc eto theside forot her traf fic or obs ta‐
cle s.
Wa rnings maybe interru pte dwhen driving along‐
side long vehicles, forex am ple truc ks,fo ra pr o‐
long edtime.
Blind SpotAssis tis no toper ationa lwhen reve rse
ge ar iseng aged.
Blin dSpo tAs sis tis no toper ationalwhen a
trailer iscoup ledtotheve hicle andtheelectr ical
con nect ionhas been correctl yes tablished.
The exitwa rning maybe limit edinthefo llo wing
situat ions:
R When thesensor sar eco veredby adjac ent
ve hicles innar row par kingspac es
R When people approachth eve hicle
R Intheev ent ofstatio naryor slo wlymo ving
obj ect s Fu
nction ofbrak eapp lication (Activ eBlind
Spo tAssis t)
% The brak eapplication functionisonl yav aila‐
ble forve hicles withaDr iving Assistance
Pa ckag e.
If Ac tiveBli nd Spo tAssi stdetects arisk ofaside
im pact inthemonit oring rang e, acou rse-co r‐
re cting brak eap plica tion iscar ried out. This is
designed tohelp youavo idacollis ion.
The cour se-cor recting brak eap plica tion isavaila‐
ble inthespeed rang ebe twee nap prox imat ely
20 mph(30 km/h) and125mp h(200 km/h). &
WARNIN GRisk ofacci dent despite
br ak eapplication ofActiveBli nd Spo t
Assi st
A cou rse-co rrect ing brak eapplication cannot
alw ayspr eve ntacol lisi on. #
Alw aysst eer ,br ak eor accelera teyour‐
self ,espe ciallyif Ac tiveBli nd Spo t
Assi stwa rnsyo uor mak esaco urse-
co rrect ing brak eapplication. 292
Driving andparking

#
Alw aysmaint ainasaf edis tance atthe
sides. &
WARNIN GRisk ofacci dent despite
Ac tiveBli nd Spo tAssi st
Ac tiveBli nd Spo tAssi stdoes notre act tothe
fo llo wing:
R Ifve hicles overtak eto oclosel yon the
side, placing them intheblind spotar ea
R Vehicles approaching andovertakin gyo u
at agr ea tly differ ent speed
As are sult, ActiveBli nd Spo tAssi stma ynei‐
th er giv ewa rnings norinterve ne insuch sit‐
uations. #
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation and maintain asaf edis‐
ta nce attheside oftheve hicle. If
acour se-cor recting brak eap plica tion occu rs,
th ere dwa rning lam pflashes intheoutside mir‐
ro rand awa rning tone sou nds. Inadditio n,adi s‐
pl ay 1 indic atingth edang erofaside collision
appear sin themultifunc tiondispla y.
In rare case s,thesy stem maymak ean inappr o‐
pr iat ebr ak eapplication. Thisbrak eapplication
ma ybe interru pte dat anytime ifyo usteer
slightl yin theopposit edir ect ion oraccelera te. Sy
stem limit s
Eit her acour se-cor recting brak eap plica tion
ap propr iate to thedr iving situation ,or non eat
all, mayoccur inthefo llo wing situat ions:
R Vehicles orobs tacle s,e.g. crash barrier s,are
locat edon both sides ofyour vehicle.
R Ave hicle approaches tooclosely ontheside.
R Youha ve adop tedaspor tydriving style wit h
high corner ing speeds.
R Youbr ak eor acc elerat esign ifican tly.
R Adr ivi ng safety system interve nes, e.g.ESP ®
or ActiveBr ak eAssi st.
R ESP ®
is de acti vated.
R Aloss oftirepr essur eor afa ulty tireis
de tected.
R Youar edr ivin gwit hatrailer andtheelectr i‐
cal con nect iontothetra iler hitchhas been
cor rectly established. Dr
iving andparking293

Ac
tiv atin g/deac tivatin gBli nd Spo tAs sist or
Ac tiv eBli nd Spo tAs sist
Multimedia system:
4 © 5
Set ting s5
Assist ance #
Activateor deacti vate Blind Spot Assist.
or #
Activateor deacti vate Act. Blind Spo tAssi st.
% Dep endingontheve hicle's equipment, Blind
Spo tAssis tor ActiveBli nd Spo tAssi stis
av ailable. Ac
tiv eLan eKe eping Assist Fu
nction ofActiv eLan eKe eping Assist Ac
tiveLa ne Keeping Assistmonit orsth ear ea in
fr ont ofyour vehicle bymeans ofmultifu nction
camer a1. Itser vesto protect youag ains tunin ‐
te ntio nallylea vingyo ur lane .Yo uwill bewarned
by vibr ation pulses inthesteer ing wheel andgui‐
ded byacour se-cor recting brak eap plica tion
ba ck intoyo ur lane . Yo
uar ewa rned byvibr ation pulses inthesteer‐
ing wheel inthefo llo wing circums tances:
R ActiveLa ne Keeping Assistde tects alane
mar king.
R Afront whe eldrives ove rth is lane marking.
Yo uwill also beguided backint oyo ur lane by
means ofacour se-cor recting brak eap plica tion
if th efo llo wing condition sar eme t:
R ActiveLa ne Keeping Assistde tects lane
mar kings onboth edg esofthelane.
R Afront wheel drives over asolid lanemark‐
ing.
Yo ucan activat eor deac tivateth eAc tiveLa ne
Ke eping Assistwa rning.
The status ofActiveLa ne Keeping Assistis dis‐
pla yedin theon- boar dcom puter:
R ð (green): ActiveLa ne Keeping Assistis
activ ated and oper ating.
R ð (gray):Ac tiveLa ne Keeping Assistis
activ ated, but notoper ating.
R ï: ActiveLa ne Keeping Assistis deactiv a‐
te dor ther eis amalfunct ion. 29
4
Driving andparking