2021 MERCEDES-BENZ GLS SUV Owner's Manual

#
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. Yo
ucan adjustth eseats when theignition is
switc hedoff. &
WARNIN GRisk ofbeco ming trap ped
whe nad jus ting theseat
When youadj usta seat ,yo uor other vehicle
occupants couldbecome trapped, e.g.onthe
seat guide rail. #
When adjustingaseat, makesur eth at
no onehas anypar tof their body within
th esw eep oftheseat. Obser
vethesaf etyno teson "Airbags" and"Chil‐
dr en intheve hicle". &
WARNIN GRisk ofacci dent dueto
adjus tingve hicle settin gswhile theve hi‐
cle isin mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ionsinpar ticular :
R Ifyo uadj ustth edr iver's seat, thehead
re stra int s,thesteer ing wheel orthemir‐
ro rwhi letheve hicle isin mo tion.
R Ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion. #
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int s,the
st eer ing wheel andthemir rorand fas‐
te nyo ur seat belt. &
WARNIN GRisk ofbeco ming trap ped if
th eseat height isadjus tedcar elessl y
If yo uadj ustth eseat height carelessly ,yo u
or other vehicle occupants couldbetrapped
and ther eb yinjur ed. Childr
eninpar ticular couldacciden tally
pr ess theelectr icalseat adjus tmentbutt ons
and become trapped. #
While moving theseats, makesur eth at
han dsorother body partsdo notget
und ertheleve rasse mbly oftheseat
adjus tmentsy stem. &
WARNIN GRisk ofinju rydue tohead
re stra int sno tbeing installed orbeing
adjus tedincor rectl y
If hea dre stra int sha ve notbe en installed or
ha ve notbe en adjus tedcor rectly ,th er eis an
incr eased risk ofinjur yin thehead andneck
ar ea, e.g. intheev ent ofan acciden tor when
br aking. #
Alw aysdr ive wit hth ehead restra int s
ins talled. #
Beforedr ivin gof f,mak esur efo rev ery
ve hicle occupant that thecent erofthe
head restra int suppor tsthebac kof the
head atabout eyeleve l. Seat
sand stow ing 95

Do
notint erch ang eth ehead restra int sof the
fr ont and rear seat s.Ot her wise, youwill notbe
able toadjus tth eheight andangleof thehead
re stra int scor rectl y.
Ad jus tth ehead restra int fore -and -aftpos ition so
th at itis as clo seasposs ibletothebac kof your
head. &
WARNIN GRisk ofinju ryor deat hdue to
an incorrect sea tpos ition
The seatbel tdoe sno tof ferth eint ended
le ve lof protect ion ifyo uha ve notmo vedth e
seat backres tto an almos tve rtical posit ion.
Yo uco uld slip beneathth eseat beltand
injur eyo urself . #
Adjus tth eseat proper lybef orecom‐
menc ingyour jour ne y. #
Alw aysensur eth at theseat backres tis
in an almos tve rtical posit ionand that
th eshoulder beltisrouted acr oss the
cent erofyour sho ulder . 1
Head restra int height
2 Seat backres tinc linat ion
3 Seat height
4 Seat cushio nlengt h
5 Seat cushio ninc linat ion
6 Seat fore -and -aftpos ition #
Save these ttings withth ememor yfunc tion
(/ page11 5). Ad
jus tingthe fron tpass engerse at elec tri‐
ca lly from the driver' sse at Re
quirement s:
R The powe rsupp lyis swi tched on. Yo
ucan callupthefo llo wing functionsfo rth e
fr ont passeng ersea t:
R Sea tad jus tment 96
Seatsand stow ing

R
Sea thea ting
R Sea tve ntil ation
R Mem oryfunc tion #
Toselect thefront passeng erseat :pr ess
butt on1.
When theindicat orlam plights up,thefront
passeng erseat isselect ed. #
Adjus tth efront passeng erseat using the
butt ons onthedr iver's side door control
panel. #
Select thedr iver' sseat :pr ess butt on1
ag ain.
When theindicat orlam pgoes out,thedr iv‐
er's seat hasbeen select ed. Ad
jus tingthe fron tpass engerse at elec tri‐
ca lly from the rear passe nger comp artment #
Toselect thefront passeng erseat :pr ess
butt on1.
When theindicat orlam plights up,thefront
passeng erseat isselect ed. #
Adjus tth efront passeng erseat using the
butt ons onthedoor control panel inthere ar
passe nger com partment (/ page98). %
Mer cedes -Maybac hve hicl es:ifth efront
passeng erseat isin thefo re mos tposi tion,
yo ucan setth eseat backres tat ave ry steep
ang le.This willprov ide abe tter forw ardvie w
fr om there ar passe nger com partment .
De spit eth esteep angleof theseat backres t,
a per son mayoccup yth efront passeng er
seat. Seats
andstow ing 97

Ad
jus tingthe 4-waylum bar support 1
Higher
2 Softer
3 Lowe r
4 Firmer #
Usingbuttons 1to4 ,adjus tth econ tour
of thebac kres tindividuall yto suit your bac k. Ad
jus tingthe rear seats electrical ly The
middle seatbackres tis adjus tedto ge ther
wit hth elef tseat. 1
Head restra int height
2 Seat backres tinc linat ion
3 Seat fore -and -aftpos ition #
Save these ttings withth ememor yfunc tion
(/ page11 6). Ad
jus tingthe reclining rear seats electrical ly The
recli ning rear seat sar eon thedr iver's and
fr ont passeng ersides. 1
Head restra int height
2 Head restra int fore -and -aftpo sitio n 98
Seatsand stow ing

3
Seatba ckrest inc linat ion
4 Combin edseat cushio ninc linat ionand
lengt h
5 Combin edseat cushio ninc linat ionand
lengt h
6 Fore-and -aftpos ition oftheleg rest
7 Angleof theleg rest #
Save these ttings withth ememor yfunc tion
(/ page11 6).
% Theleg re st folds down ifove rloaded. Ifth is
is thecase, fold up theleg rest and engage
it. Se
tting thefull yre clined position Re
quirement s:
R The powe rsupp lyis switc hedon. #
Tosetth efull yre clined position:pr ess
butt on1.
R The rear seat willmoveintoth efully
re cli ned position.
R The rear seat head restra int will move.
R The legrest will rise.
R The front passeng erseat willmoveas far
fo rw ards asposs ible. R
The fron tpasse nger seat head restra int
will becom pletely retract ed.
R The front passe nger seat backrest will
mo veas farfo rw ards and asfardo wn as
it wil lgo. #
Toresto rethest andar dseat settings :
pr ess butt on1.
or Seats
andstow ing 99

#
Callin gup these ttings withth ememor y
func tion (/page11 6).
% Youcan usethere ar passe nger com part‐
men tch ild safetyloc kto disable this func ‐
tion (/page65).
% The legrest folds down ifove rloaded. Ifth is
is thecase, fold up theleg rest and engage
it. At
tac hin gan dre mo ving the addi tional cush‐
io n of the leg re st Use
theadditional cushiononlywhen theve hicle
is statio nary.The additional cushionisin the
ve hicle. #
Toattac h:pla cetheadditional cushionon
th eleg rest. #
Pull theru bber stra ps laterally overth eleg
re st. #
Toremo ve:re mo vetheru bber stra ps from
th eleg rest and stow theadditional cushion
saf elyin theve hicle. Fo
lding there ar seats onthesecond row of
sea tsforw ards and backele ctrical ly &
WARNIN GRisk ofinju rydue toseat
bac kres tfo lded forw ards
If th ere ar seat backres tis folded forw ards,
per son sin theth ird row ofseats could col‐
lide withpar tsof theseat adjus tmentmec h‐
anism, inpar ticular intheeve ntofan acci ‐
de nt, sudd en braki ng oran abrupt chang eof
dir ect ion. #
Ifth er eis aper son intheth ird row of
seats, there ar seat infron tof that per‐
son mustbe folded backint oth edr iv‐
ing position beforest ar tin gth ejour ney. #
People intheth ird ro w of seat smus t
no tplace their legs onare ar seat back‐
re st that has been folded forw ards. Alw
aysensur eth at all vehicle occupants have
th eir seat belts fastened correctl yand aresitti ng
pr ope rly. Pa rticular attent ion mus tbe paid to
ch ildr en. 10
0
Sea tsand stow ing

If
yo uno longerre qu ire th eseat backres tto be
fo lded down forloa ding orforge tting inand out,
fo ld itbac kint oplace. &
WARNIN GRisk ofbeco ming trap ped if
th eseat isno teng aged
The seat does noteng agewhen folded for‐
wa rds. The seat canfold bac kwards une x‐
pect edly,e.g. when acceler ating,braking or
in theev ent ofan abr uptch ang eof dir ect ion
or an acc iden t.
Pe ople intheseat's sweep canbecome trap‐
ped. #
Ifaseat isfolded forw ards, alwaysfo ld
it bac kbef oredr ivin gof f. #
Mak esur eth at theseat iseng aged. If
aseat onthesecon drow ofseats isno t
eng aged, this will besho wnonthemultifunc tion
displa yon theins trument cluster.
Re quirement s:
R The area intowhic hth ere ar seat isfolded is
clear .
R The rear seat hasbeen folded up. R
Vehicles withcomf ortseating: thecent er
ar mr estis folded up.
R Vehicles withan extende dcent erconso le:
th estor ag ecom partmen tin thecent ercon ‐
sole isclosed.
R Vehicles withafo lding rear armr est:there ar
ar mr esthas been folded up.
R Vehicles withcent erseat backres ts: thecen‐
te rseat backres thas been folded up.
Fo lding there ar seat inthefront posit ion
Yo ucan fold theseats onthesecon dro w of
seat sfo rw ards forth efo llo wing situat ions:
R Foreasi eraccess tothecar gocom partmen t
R Vehicles withath ird row ofseats: forget ting
in or out
Ve hicles withacent erseat backres t:thecent er
re ar seat folds forw ards and backwards,
to get her withth elef tre ar seat .
De pen dingon theve hicle equipment, youcan
fo ld there ar seat sfo rw ards asfollo ws :
R Six-se ater :on theright-h andside oftheve hi‐
cle only R
Seven-sea terwit hcent erseat backres t:bo th
sides
% Toinc rease thesize ofthecar gocom part‐
ment ,yo ucan movetheseat backres ts int o
th ecar gocom partmen tfloor position
(/ page12 4). Bu
tton onthebac kres tshoulder ofthesecon drow
of seats Seats
andstow ing 10
1

Butt
ononthear mr estof theth ird row ofseats
(se ven-sea ter) #
When there ar door isopen :br ief lypull but‐
to n1 onthebac kres tshoulder ofthere ar
seat .
or #
Brief lypress butt on2 onthear mr estof the
th ird row ofseats. #
When there ar door isclo sed: pulland hold
butt on1 onthebac kres tshoulder ofthe
re ar seat .
or #
Press and hold button2 onthear mr estof
th eth ird row ofseats.
The head restra int movesdo wn wards. The
seat backres tmo vesint oth efront position .
The rear seat movesfo rw ards unt ilit
unlo cks. The rear seat then tips forw ards.
If aseat onthesecon drow ofseats isno t
eng aged, this will besho wnonthemultifunc ‐
tion displa yon theins trument cluster.
% Youcan preve ntthere ar seat sfrom folding
fo rw ards when there ar door isclo sed by
act ivatin gth ech ild safetyloc kfo rth ebac k
windo ws(/ pag e65).
Fo lding backth ere ar seat #
Press and hold button1 onthebac kres t
shoulder ofthere ar seat or2 onthear m‐ re
st of theth ird ro w of seat sand hold it
do wn untilth ere ar seat audibl yeng ages.
The rear seat tipsdo wn wardsand move
bac k.The seat backres ts and head restra int
will then mo veintoasuit able seat posit ion
aut omat ically.
If aseat onthesecon drow ofseats isno t
eng aged, this will besho wnonthemultifunc ‐
tion displa yon theins trument cluster. #
Tointerru pt thefo lding procedur ebef ore
eng agemen t,letgo ofbutt on1. Tocontinu e
th efo lding procedur e,press and hold button
1 again.
Fo lding there ar seats forw ards mec hanic ally
(eme rgency release)
Yo ucan also fold there ar seat sfo rw ards
mec hanicall yusin gre lease loops. Therelease
loops arelocat edon theout ersides andbacks
of theseats onthesecon drow ofseats. 10
2
Sea tsand stow ing