2021 MERCEDES-BENZ GLS SUV Owner's Manual

If
awa rning tone also sou nds forapp roxima tely
tw ose co nd seve rytim eth eve hicle isstar ted, it
ma ybe due toone ofthefo llo wing causes:
R Thesensor sar edir ty:clean thesensor s
and obser vetheno teson car eof vehicle
par ts(/ page332).
R Parking Assis tPA RK TRONI Chas been
deac tivated due toamalfunc tion:re star t
th eve hicle. Ifth epr oblem persists, con sult a
qu alif ied spec ialistwo rkshop.
Fu nction ofthepa ssiv eside impact protec‐
tion
Pa ssiv eside impact protect ion isan additional
Pa rking AssistPA RK TRONI Cfun ction whic h
wa rnsth edr iver about obstacle sat theside of
th eve hicle. Awa rning isissued whenobstacle s
ar ede tected between thefront and rear detec‐
tion rang e. In orde rfo ran object ontheside to
be detected, thesensor sin thefront and rear
bum permus tfirs tde tect theobjec twhile you
ar edr ivin gpas tit.
Dur ing thepar king procedur eor when maneu‐
ve ring, objects arede tected astheve hicle drives
pas t.Ifyo usteer inthedir ect ion ofade tected obs
tacle and ther eis arisk ofalat eral collision,
a wa rning isissued andthesegment slight upin
color inthedispla y.
The segment colorchang esdepen dingon the
dis tance tothede tected obs tacle :
R Yello w: appr oximat ely1. 0 -2.0 ft
(30 -60 cm)
R Red:less than appr oximat ely1. 0 ft (30 cm)
In order forlat eral front orrear segm entsto be
displa yed, theve hicle mustfirs ttr av el adis tance
of at leas tha lfof theve hicle length.Once the
ve hicle hastrav eled thelengt hof theve hicle, all
of thelat eral front and rear segm entscan bedis‐
pla yed. Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hout asur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle detected atthefront right (yello w)
and rear (red) Dr
ivin gand parking 24
7

Pa
rking AssistPA RK TRONI Cdisp lay: vehicles
wit hasur round viewcam era
1 Operation alfron tand rear
2 Operation alfron t,re ar and sides
3 Obstacle sde tected atthefront right (red)
Sa vedobs tacle son thesides aredele tedin the
fo llo wing situat ions,fo rex am ple:
R Youpar kth eve hicle andswitc hof fth eigni‐
tion .
R Youopen thedoor s.
Af terth eengine isrestar ted, obs tacle son the
sides mustbe detected again bef oreane w
wa rning can beissued. Sy
stem limit s
The system limits forPa rking Assist
PA RK TRONI Cappl yto passiv eside impact pro‐
te ction.
The follo wing objectsar eno tde tected, forex am‐
ple:
R Pedes trians who approachth eve hicle from
th eside
R Objec tsplaced next to theve hicle
Ac tiv atin g/deac tivatin gPa rking Assis t
PA RK TRONI C
* NO
TERisk ofan acci dent from objects
at clo serang e Pa
rking AssistPA RK TRONI Cma yno tde tect
cer tain obje ctsat clos era ng e. #
Whe npa rking ormane uvering theve hi‐
cle, paypar ticular attention toany
obj ect swhic har eabo veorbelo wthe
sensor s,e.g. flowe rpo ts or draw bar s.
The vehicle orother object scould oth‐
er wise bedamag ed. Re
quirement s:
R The camera menuis open.
R Or:Ac tivePa rking Assistis act ive.
R Or:th ePA RK TRONI Cpop- upwin dow
appear s.
% Mak esur eth at ther ear eno per sons, ani‐
mals orobjec tsinthemaneuv ering area
while maneuv ering and parking in/exiting
par king spaces. #
Tapé inthemedia display.
% Ifth eé symbol issho wninthemultifunc ‐
tion displa y,Pa rking AssistPA RK TRONI Cis
no tact ive. Pa rking AssistPA RK TRONI Cis
aut omat icallyact ivat ed when theve hicle is
st ar ted.
Alt ernativ ely,Pa rking AssistPA RK TRONI Ccan be
act ivat ed ordeac tiva tedin thequ ick acc ess
men u. 24
8
Driving and parking

Ad
jus tingthe warning tones ofParking
Assis tPA RK TRONI C
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Camera &Parkin g
Ad jus tingthe volum eof thewa rning tones #
Select Warning ToneVolume. #
Seta va lue.
Ad jus tingthe pitchof the warning tones #
Select Warning TonePitch. #
Seta va lue.
Specif yingthest ar ting pointfo rthe warning
to nes
Yo ucan spec ifywhe ther thePa rking Assist
PA RK TRONI Cwa rning tones should comm ence
wh en theve hicle isfur ther aw ay from anobs ta‐
cle . #
Sele ctWa rnEarl yAll Arou nd. #
Activateor deacti vate thefunc tion. Ac
tiv atin g/deac tivatin gaudi ofa deo ut
Yo ucan spec ifywhe ther thevo lume ofamedia
sour ceinthemultimedia system isto be
re duced whenParking AssistPA RK TRONI C
soun dsawa rning tone. #
Select Aud ioFad eou tDuri ngWa rning Tones. #
Activateor deacti vate thefunc tion. Re
versing camer a Fu
nction ofthere ar vie wcamer a
When youen gage reve rsege ar,th eimag efrom
th ere ar vie wcam erais sho wninthemedia dis‐
pla y.Dyna micguide lines showthepat hth e
ve hicle willtake wit hth ecur rent steer ing ang le.
This helps youto orient yourself and toavoid
obs tacle swhe nba cking up.
The rear vie wcam erais on lyan aid. Itis no ta
subs titutefo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing. %
Youcan open theco verof there ar vie wcam ‐
er aman ually(/ page25 5).
The guide linesin themedia displaysho wthe
dis tances toyour vehicle. Thedistances dis‐
pl aye donl yapply toroad leve l.
Depe ndingon theve hicle equipment, youcan
sele ctfrom thefo llo wing views:
R Normalvie w
R Wide-ang levie w
R Trailer view
The area behin dth eve hicle isdispla yedas a
mir rorimag e,as intheinside rear vie wmir ror.
Ve hicl eswithout Activ ePa rking Assis t
The follo wing camer avie ws areav ailable inthe
multime diasystem: Dr
iving andparking 24
9

Nor
mal view
1 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
ang le(dynamic)
2 Yello wguide lineatadis tance ofapprox ‐
imat ely3. 3ft (1.0 m) from there ar area
3 Yello wlanes markingth ecour sethetir es
will take wit hth ecur rent steer ing ang le
(dynamic)
4 Bum per
5 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area Wi
de-ang levie w Tr
ailer view(vehic leswithatrailer hitch)
1 Yello wguide line,locat ingaid 2
Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from theball head ofthe
tr ai le rhi tc h
3 Ballhe ad ofthetrailer hitch
Ve hicl eswith Activ ePa rking Assis t
The follo wing camera views areav ailable inthe
multime diasystem: Nor
mal view
1 Yello wlanes markingth ecour sethetir es
will take wit hth ecur rent steer ing ang le
(dynamic) 250
Driving andparking

2
Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
ang le(dynamic)
3 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area
4 Yello wwa rning indic ator ofParking Assist
PA RK TRONI C:obs tacles atadis tance
be twee nap prox imat ely2. 0ft (0.6 m)and
3.3 ft(1.0 m)
5 Redwa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areve ry clos e
(a ppr oximat ely1. 0 ft (0.3 m)orless)
6 Orang ewa rning displa yof Parking Assist
PA RK TRONI C:obs tacles areamed iumdis‐
ta nce away (be tween appr oximat ely1. 0 ft
(0.3 m)and 2.0ft(0.6 m)) Wi
de-ang levie w Tr
ailer view(vehic leswithatrailer hitch)
1 Yello wguide line,locat ingaid 2
Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from theball head ofthe
tr ai le rhi tc h
3 Ballhe ad ofthetrailer hitch
Sy stem failur e
If th ere ar vie wcam erais no toper ational, the
fo llo wing displa yappear sin themultimedia sys‐
te m. Sy
stem limit s
The rear vie wcam erawill notfun ction orwill
on lypa rtiall yfunc tion inthefo llo wing situat ions:
R The tailg ateis open .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightcondit ionsarepoor ,e.g. at
night.
R Camer as,orvehicle component sin whic h
th ecamer asareins talled, aredamag ed,dirty Dr
ivin gand parking 25
1

or
covered. Obser vetheinf ormation onvehi‐
cle sensor sand camer as(/ page20 1).
% Donotuse there ar vie wcam erain these
types ofsituation .Yo uco uld other wise injure
ot her sor collide withobject swhen parking
th eve hicle.
Fo rte ch nica lre ason s,thest andar dheigh tof the
ve hicle maybe altered ifth eve hicle iscar rying a
hea vyload andcanresult ininaccur aciesinthe
guide linesandinthedispla yof thege ner ated
ima ges.
% The cont rast of thedispla yma ybe impair ed
by direct sunlight orby other light sources,
e.g. when driving outofaga rage .In this
case, paypar ticular attent ion.
% Have thedispla yre pair edorreplaced if,for
ex am ple, pixelerro rs consi derablyrestrict its
us e. 360
°came ra Fu
nction ofthesur round viewcamer a
The surround viewcam erais asy stem that con ‐
sis tsof four cam eras. The cam eras coverth e immed
iateve hicle surround ings.The system
assis tsyou, e.g .when parkingor atexits with
re duced visibility .
The views ofthesur round viewcam eraar e
alw aysav ailable whendrivin gfo rw ards up toa
speed ofappr ox.10 mph(1 6 km/h) andwhen
bac king up.
The surround viewcam erais on lyan aid and
ma ysho wadis torted viewof obs tacle s,sho w
th em incor rectly ornotsho wthem atall. Itis no t
a subs titutefo ryo ur att entio nto thesur round ‐
ing s.The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing.
The system evaluat esimag esfrom thefo llo wing
cameras:
R Rear vie wcam era
R Front camer a
R Twoside camer asintheoutside mirrors
% Youcan open theco verof there ar vie wcam ‐
er aman ually(/ page25 5). Vi
ew sof thesur round viewcamer a
Yo ucan selectfrom differe nt vie ws: 1
Wide-ang levie w, front
2 Topvie wwit himag efrom thefront camer a
3 Topvie wwit himag esfrom theside camer as
in theoutside mirrors
4 Wide-ang levie w, rear
5 Topvie wwit himag efrom there ar vie wcam ‐
er a
6 Topvie wwit htrailer view(vehicles witha
tra iler hitch) 252
Driving andparking

To
pvie w 1
Lane indicati ngthero uteth eve hicle will
ta ke atthecur rent steer ing wheel angle
2 Warning displa yof Parking Assist
PA RK TRONI C
3 Your vehicle from above
The color oftheindividual segmentsof wa rning
displa y2 isbased onthedis tance tothede tec‐
te dobs tacle :
R Yello wsegment s:obs tacle sat adi st anc e
be tween appr ox.2.0 ft(0.6 m)and 3.3ft
(1 .0 m) R
Orang esegment s:obs tacle sat adi st anc e
be tween appr ox.1. 0 ft (0.3 m)and 2.0ft
(0.6 m)
R Redse gme nts: obstacle sat ave ry shor t
dis tance ofapprox .1. 0 ft (0.3 m)orless
When Parking AssistPA RK TRONI Cis operatio nal
and noobj ectis de tected, thesegment sof the
wa rning displa yar esho wningray . Guide
lines 1
Yello wlane markingth ecour sethetir es will
ta ke atthecur rent steer ing wheel angle
(dynamic)
2 Yello wguide line,vehicle width(dr iven sur‐
fa ce) dep endi ngon thecur rent steer ing
wheel angle(dynamic)
3 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from there ar area
4 Markat adis tanc eof appr ox.3.3 ft(1.0 m)
% When ActivePa rking Assistis act ive, lane
mar kings1 aredispla yedin green. Dr
iving andparking253

The
guide linesinthemedia displaysho w
th edis tances toyour vehicle. Thedistances
ap ply toroad leve l.
In trailer mode, theguide linesaresho wnat
th eleve lof thetrailer hitch.
Tr aile rvie w(vehic leswith atraile rhitc h)
If yo usele cttrailer viewand notrailer isco upled
to theve hicle, thefo llo wing displa yappear s: 1
Yello wguide line,locat ingaid
2 Redguide lineatadis tance ofapprox imat ely
1. 0 in (0.3 m)from theball head ofthe
tr ai le rhi tc h
3 Ballhe ad ofthetrailer hitch When
theelectr icalconnect ionises tablished
be tween theve hicle andthetra iler ,th edispla y
ch ang estotheside camer avie w.
This viewsuppor tsmaneuv ering procedur eswit h
a trailer .
Side viewof themir rorca mer as
The side sof theve hicle canbeseen inthis vie w. 1
Guide lineofextern al vehicle dimensions
wit houtside mirrors folded out
2 Markerof thewheel contact poi nts
Sy stem failur e
If th esy stem isno tre ady foroper ation, thefo l‐
lo wing mess ageappear sin themedia display: 25
4
Driving andparking