2021 MERCEDES-BENZ GLS SUV Owner's Manual

Ve
hicl e
le ve l Ve
hicl es
without Off-
ro ad pac kage Ve
hicl eswith
Of f-road pack‐
ag e
Of f-road
le ve l+1 Mer
cedes -
Ma ybac hve hi‐
cles: approx‐
imat ely
+2. 0in
(+50 mm)
All other mod‐
els: appr ox‐
imat ely
+2. 4in
(+60 mm) appr
oximat ely
+1 .2 in
(+30 mm)
Spor ta pproximat ely
-0 .6 in
(-1 5mm) appr
oximat ely
-0 .6 in
(-1 5mm)
Spor t+a pproximat ely
-1 .0 in
(-2 5mm) appr
oximat ely
-1 .0 in
(-2 5mm) Fu
nction ofRO AD SUR FACE SCAN
% This function isno tav ailable inall coun tries. The
ROAD SUR FACE SCAN function mon itor sth e
ro ad infron tof your vehicle using multifunction
camer a(/ page20 1). ROAD SUR FACE SCAN
de tects une venness inthero ad sur face, e.g.
bu mp s,bef oreth eve hicle drives ove rth em.
Chassis movements arere duced anddriving
comf ortis incr eased.
RO AD SUR FACE SCAN isaut omat icallyact ivat ed
if th efo llo wing condition sar eme t:
R The drive pr ogr am A orN isselect ed.
R The vehicle issetto thenor mal leve l.
R Youar edr ivin gat aspee dbe tween 4mp h
(7 km/ h)and 112mp h(1 80 km/h) .
Sy stem limit s
RO AD SUR FACE SCAN can beimpair edinthe
fo llo wing situat ionsorcan stop funct ioning:
R Ifth ero ad isins ufficie ntlylit, e.g. atnigh t.
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 ewindshield inthear ea ofmultifunc tion
camer a1 isdir ty,fo gg ed up, damag edor
co vered. R
Ifth ero ad sur face hasno optic stru ctur eor
re flect slight.
R Ifyo uar edr ivin gto oclose totheve hicle in
fr ont.
R Ifsections ofthero uteha ve ave ry small
ra dius ofcur vatur e.
R Dur ing abrupt driving maneuv ers, e.g. heavy
br aking orsudden acceleration.
Obser vetheno teson cleaning themultifunc tion
camer a(/ page332).
Fu nction ofreco very mode &
WARNIN GRisk ofinju rydue totheve hi‐
cle moving upand down
Dur ing reco very mode, theve hicle movesup
and down and cancause injuries. #
When activating reco very mode, make
cer tain that no oneis in thevicin ityof
th eve hicle. Dr
iving andparking 239

*
NO
TERisk ofdama gedue totheve hicle
mo ving upand down When
free driving mode isactiv ated, the
ve hicle movesup and down. Vehicle parts
ma ybe damag edifth eunderbody bottoms
out. #
Mak esur eth at ther eis suf ficie nt
gr ou nd clearance whenro ck ing free
mode isact ivat ed. Re
covery mode isafunction ofthesuspension
whic hcan assis tth edr iver on loose surfaces
(e.g .sand ,sno w)whe nfreei ng ave hicle which
has become stuc k.
The vehicle body rock sin slo w,vertical motion s
when reco very mode hasbeen activated. This
te mp orarily puts thewheels undergreat erload,
whic hmeans they have inc reased tractionand
th eve hicle isfreed.
Yo ucan activat efree drivin gmod evia Off-ro ad
As sis t(/ page24 3). Fu
nction ofindividua lwheel control &
WARNIN GRisk ofbeco ming trap ped
du eto theve hicle lowe ring
The vehicle canbelowe redwhen theindivid‐
ual wheel control func tion hasbeen activa‐
te d. Body partscould become trapped ifth ey
ar ebe tween theve hicle body andthetir es or
under neathth eve hicle. #
Mak esur eth at nobody isunde rth e
ve hicle orintheimmediat evicinit yof
th ewheel arch es when individual wheel
con trol isactiv ated. *
NO
TERisk ofdama gedue totheve hicle
mo ving upand down The
vehicle canbelowe redor raised onone
or mor ewheels whentheindividual wheel
con trol func tion hasbeen activated. Vehicle
par tscould bedamag eddue tocont actwith
object s. #
Mak esur eth at theve hicle hassuffi‐
cie ntroom tomo vewhen theindividual wheel
control func tion hasbeen activa‐
te d. Indiv
idual wheel control isafunc tion ofthesus‐
pension ,whic hcan beused tosetth eve hicle
le ve lfo reac hwhee lindivi dually.This canhelp to
im prov ealignment ofthebody when driving off-
ro ad.
Yo ucan activat eind ivid ual wheel contro lvia Off-
ro ad Assis t(/ page24 3).
Ad jus tingthe vehicl eleve l(v ehicles withE-
AC TIVE BODY CONT ROL) &
WARNIN GRisk ofacci dent because
ve hicle leve lis toohigh
Dr iving charact eristic sma ybe impair ed.
The vehicle candrift outw ards, forex am ple,
when steer ing orcor ner ing. #
Choose ave hicle leve lwhic his suit ed
to thedr iving style and thero ad sur face
condi tions. 24
0
Driving and parking

&
WARNIN GRisk ofentr apment from vehi‐
cle lowe ring
Whe nlowe ring theve hicle, people could
become trapped ifth eir limbs arebe tween
th eve hicle body andthetir es orunder neath
th eve hicle. #
Mak esur eno one isunder neathth e
ve hicle orintheimmediat evicinit yof
th ewheel arch es when theve hicle is
being lowe red. &
WARNIN GRisk ofbeco ming trap ped
du eto theve hicle lowe ring
Ve hicl eswith AIRMA TICorleve lcontr ol:
when youunlo adlugg ageor lea vetheve hi‐
cle, theve hicle firs trises slightly andthen
re tur ns tothese tle ve lshor tly af te rw ards.
Yo uor anyone else inthevicinit yof the
wheel arch es ortheunderbody couldthus
bec ome trapped.
The vehicle canalso belowe redaf te rbeing
loc ked. #
When leaving theve hicle, makesur e
th at nobody isin thevicinit yof the
wheel arch es ortheunderbody . Re
quirement s:
R The vehicle hasbeen star ted.
R Vehicl eswithout Off-road package:th e
ve hicle isbeing driven no faster than 40 mph
(65 km/ h).
R Vehicl eswith Off-road package:
- Off-road leve l+1: theve hicle isno tmo v‐
ing faster than 62 mph(1 00 km/h) .
- Off-road leve l+2: theve hicle isno tmo v‐
ing faster than 40 mph(65 km/h).
- Off-road leve l+3: theve hicle isno tmo v‐
ing faster than 12 mp h(2 0km/h) . Ra
ising theve hicl e(v ehic leswithout Off-
ro ad pac kage) #
Push rock er switc h1 forw ards.
In dicat orlam p2 flashes whiletheve hicle is
being raised andlight sup con tinuousl ywhen
it has finis hed rising. Dr
iving andparking 24
1

Yo
ur sele ction issave d. The off-r oad leve lse t
re mains stor ed eve naf te rth eignition hasbeen
switc hedoff.
The vehicle islowe redag ain inthefo llo wing sit‐
uation s:
R When drivin gfa ster than 50 mph(80 km/h).
R When driving brief lybe tween 40mph
(65 km/ h)and 50mph(80 km/h).
R Aftersele cting adif fere nt drive pr ogr am
us ing theDY NA MIC SELE CTswitc h.
The vehicle isadjus tedto theheight ofthe
act ive dr ive pr og ram.
Lo we ring theve hicl e(v ehic leswithout Off-
ro ad pac kage) #
Pull rock er switc h1.
The vehicle isadjus tedto theheight ofthe
act ive dr ive pr ogram.
Oper ation withatrailer orbicy clerack If
th eelectr icalconnect iontothetra iler orbicy‐
cle rack ises tablished correctly:
R Uptoappr oximat ely18 .7 mp h(3 0km/h) :
th eof f-r oad leve l+1 can beselec tedre ga rd‐
less ofthedr ive pr og ram.
R From appr oximat ely18 .7 mp h(3 0km/h) :
th eve hicle issetto thenor mal leve lre ga rd‐
less ofthedr ive pr og ram. Ra
ising theve hicl e(v ehic leswith Off-road
pac kage) #
Push rock er switc h1 forw ards.
R Off-ro ad leve l+1: one indic ator lam p2
light sup con tinuousl ywhen theve hicle
has finis hed rising.
R Off-road leve l+2: twoindic ator lam ps2
light upcon tinuousl ywhen theve hicle
has finis hed rising. 24
2
Driving and parking

R
Off-road leve l+3: thre eindicat orlam ps
2 light upcon tinuousl ywhen theve hicle
has finis hed rising.
Yo ur sele ction issave d. The off-r oad leve lse t
re mains stor ed eve naf te rth eignition hasbeen
switc hedoff.
The vehicle islowe redag ain inthefo llo wing sit‐
uation s:
R Off-ro ad leve l+3: when drivin gfa ster than
12 mp h(20 km/h).
The vehicle islowe redto off-r oad leve l+2.
R Off-ro ad leve l+2:
- When drivin gfa ster than 50 mph
(80 km/ h).
- When driving brief lybe tween 40mph
(65 km/ h)and 50mph(8 0km/h).
The vehicle islowe redto off-r oad leve l+1 .
R Off-ro ad leve l+1:
- When drivin gfa ster than 71 mp h
(1 15 km/h) . -
Whe ndr ivi ng briefly be tween 62mph
(1 00 km/ h)and 71mp h(115 km/h) .
The vehicle islowe redto thenor mal leve l.
R Aftersele cting adif fere nt drive pr ogr am
us ing theDY NA MIC SELE CTswitc h.
The vehicle isadjus tedto theheight ofthe
act ive dr ive pr ogram.
Oper ation withatrailer orbicy clerack
If th eelectr icalconnect iontothetra iler orbicy‐
cle rack ises tablished correctl y:
R Uptoappr oximat ely12 mp h(20 km/h): off-
ro ad leve ls +1 ,+2 and +3can beselec ted
re ga rdless ofthedr ive pr ogr am.
R Uptoappr oximat ely19 mp h(30 km/h): off-
ro ad leve ls +1 and +2can beselec ted
re ga rdless ofthedr ive pr og ram.
R From appr oximat ely19 mp h(30 km/h): the
ve hicle issetto thenor mal leve lre ga rdless
of thedr ive pr og ram. Lo
we ring theve hicl e(v ehic leswith Off-road
pac kage) #
Pull rock er switc h1.
R Off-road leve l+3: theve hicle islowe red
to off-r oad leve l+2. Twoindicat orlam ps
2 light upcont inuously whentheve hicle
has finis hed lowe ring.
R Off-roa dleve l+2: theve hicle islowe red
to off-r oad leve l+1 .One indic ator lam p
2 light sup con tinuousl ywhen theve hi‐
cle has finis hed lowe ring.
R Off-roa dleve l+1: theve hicle islowe red
to thenor mal leve l.No indic ator lam p2
light sup when theve hicle hasfinis hed
lo we ring.
Yo ur sele ction issave d. The off-r oad leve lse t
re mains stor ed eve naf te rth eignition hasbeen
switc hedoff.
Se tting Off-road Assis t
Re quirement s:
R theve hicle isstatio nary
R theve hicle issetto off-r oad leve l1 or 2 Dr
ivin gand parking24
3

R
theOf f-road orOff-road Plus (onlyve hicles
wit hOf f-road package )dr ive pr ogr am has
been select ed
R theignition isswitc hedon
R alldoor sand thehood areclosed
R thetransmission isno teng aged inposition
005D
R ther eis no trailer coupled
R theve hicle isoutdoor s
R thede tected late ra linc linat ionoftheve hicle
mus tno texc eed appr ox.15 °
R thesy stem iswit hin itsoper ating temp era‐
tur e
R theon- boar dvo ltag eis suf ficie ntly high
Mu ltimed iasystem:
4 © 5
Set ting s5
Assist ance
5 Offr oad Assist ant
Re covery mode
Re covery mode assiststh edr iver when pulling
aw ay on rough terrain, suchas san dor snow . #
Select Recove ryMod e. #
Select Start .
Re covery mode isactiv ated. #
Select Stoptostop reco very mode.
Re covery mode isau tomatical lydeactiv ated in
th efo llo wing situat ions:
R youar eact uall ytrave ling faster than 9mp h
(1 5 km/ h)
R afte ra ru nning timeof30 seco nds
R itis de tected that an obj ect has hitthe
und erbody oftheve hicle hard
R notall conditions areme t
% Further information onreco very mode
(/ page239) .
Indiv idual wheelcon trol
Individ ualwhee lcontr olenabl estheve hicle leve l
to be setsepar ately foreac hwhee l. #
Select IndividualWheel Ctrl.. #
Setth eve hicle leve lfo rth edesir edwheel.
% Youcan also usetheto uc hdispl aytosetth e
le ve lfo rtw oor mor ewhee lsat thesame
time. #
Select Resettosetall wheels tothedef ault
se tting.
Individual wheelcontrol isaut omatic allydeacti‐
va tedin thefo llo wing situat ions:
R youar etra veling faster than 9mp h
(1 5 km/ h)
R itis de tected that an obj ect has hitthe
und erbody oftheve hicle hard
R notall conditions areme t
% Further information onindividua lwheel con‐
tr ol (/ page24 0). Pa
rking Assis tPA RK TRONI C Fu
nction ofParking Assis tPA RK TRONI C
Pa rking AssistPA RK TRONI Cis an elec tron ic
par kingassi stanc esy stem withultr asound. It
monit orsth ear ea around your vehicle using mul‐
tiple sensor son thefront bum perand onthe
re ar bum per.Pa rking AssistPA RK TRONI Csho ws
yo uth edis tance betwee nyo ur vehicle anda
de tected obs tacle visually and audibly . 24
4
Driving and parking

Pa
rking AssistPA RK TRONI Cis on lyan aid. Itis
no ta subs titutefo ryo ur att entio nto thesur‐
ro und ings.The responsibili tyforsaf emaneu ver‐
ing and parking remains withyo u. Mak esur e
th at ther ear eno per sons, animals orobjec tsin
th emaneuv ering area while maneuv ering and
par king in/exitingpar king spaces.
In thest andar dse tting ,an intermit tent wa rning
to ne sou nds from adi st anc eof appr oximat ely
1. 0 ft (0.3 m)toan obs tacle infront and approx ‐
imat ely3. 3ft (1.0 m) toan obs tacle beh ind. A
continu ouswa rning tone sou nds from adi st anc e
of appr oximat ely0. 7ft (0.2 m).Using theWarn
Early AllAroun dse tting inthemultimedia sys‐
te m, thewa rning tones forfr ont and side impact
pr otect ion can besetto sound atagr eat erdis‐
ta nce ofapprox imat ely3. 3ft (1.0 m) infront and
2.0 ft(0.6 m)onthesides (/page24 9).
% TheWar nEarl yAll Arou ndsetting isalwa ys
act ive at there ar oftheve hicle.
If Pa rking AssistPA RK TRONI Cis deac tiva ted,
Ac tivePa rking Assistis una vailable. Pa
rking Assis tPA RK TRONI Cdispl ayinthe
mu ltim edia system Ve
hicles withAc tivePa rking Assistwit hout a
sur round viewcam era Ve
hicles withAc tivePa rking Assistand asur‐
ro und viewcam era
If Ac tivePa rking Assistis deact ivat ed and an
obs tacle isde tected inthepat hof theve hicle, a
pop-up windowforPa rking AssistPA RK TRONI C
1 appear sin themultimedia system atspeeds
belo w6mp h(1 0 km/h).
The color oftheindividual segmentsof thewa rn‐
ing displa yis based 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) Dr
iving andparking24
5

R
Orang esegments: obstacle 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
Displa yof Parking Assis tPA RK TRONI Cin the
Head-u pDi spla y Op
tiona lly,obs tacle sde tected byParking Assist
PA RK TRONI Cfrom adis tance ofapprox imat ely
3. 3ft (1.0 m) infront 2and 2.0ft(0.6 m)on
th esides 3can also bedispla yedin theHead-
up Displa y. Sy
stem limit s
Pa rking AssistPA RK TRONI Cdoes notne cessa‐
ri ly take intoacc ount thefo llo wing obstacle s:
R Obs tacle sbel ow thede tection rang e, e.g .
pe rsons, animals orobject s.
R Obs tacle sab oveth ede tection rang e, e.g .
ove rhang ingloads, overhang sor loadin g
ra mp sof truc ks.
The sensor smus tbe free ofdir t,ice and slush.
Ot her wise, they ma yno tfunction correctly .
Cl ea nth esensor sre gular ly,especially afte rdr iv‐
ing off-r oad ,ta king careno tto scr atc hor dam‐
ag eth em.
Ve hicl eswith traile rhitc h:Parking Assist
PA RK TRONI Cis deac tiva tedfo rth ere ar zone
when youes tablish anelect rical connecti on
be tween your vehicle andatrailer . Pr
oblems withParking Assis tPA RK TRONI C Ex
am ple: vehicles withsur round viewcam era
When rear segm ents1 orall-r oundsegm ents
2 light upredand theé symbol appearsin
th emultifunc tiondispla y,Pa rking Assist
PA RK TRONI Cma yha ve been deactiv ated due to
signal interfere nce. Startth eve hicle again and
ch eckif Pa rking AssistPA RK TRONI Cis wo rking
at adif fere nt locati on. 24
6
Driving and parking