2021 MERCEDES-BENZ GLS Owners Manual

#
Tounlo ckand open afront door :pul ldoor
handl e2.
Loc king pin1pops upwhe nth edoor is
unloc ked. #
Tounlo ckare ar door :pul lth ere ar door
han dle.
The lockin gpin pops upwhen there ar door
is unlo cked. #
Toopen are ar door :pul lth ere ar door han‐
dle again. Cent
rally loc king andunloc kingtheve hicl e
fr om theinsid e Mer
cedes- Maybac hve hicl es:thebutt ons are
also locat edinthere ar door s. #
Tounlo ck:pr ess button 1. #
Toloc k:press butt on2.
This does notloc kor unloc kth efuel filler flap.
The vehicle isno tunloc ked:
R Ifyo uha ve loc kedth eve hicle using the
Smar tKey .
R Ifyo uha ve loc kedth eve hicle using KEY‐
LESS -GO. Loc
king/unloc kingtheve hicl ewith KEY‐
LES S-GO Re
quirement s:
R The Smar tKey isouts idetheve hicle.
R The distance betwee nth eSmar tKey and the
ve hicle does notexc eed 3ft (1 m).
R The driver's door andthedoor atwhic hth e
door handle isused areclosed. Openin
gand closin g71

#
Tounlo cktheve hicl e:touc hth einner sur‐
fa ce ofthedoor handle. #
Toloc kth eve hicl e:touc hsen sor surface
1 or2. #
Convenience closing:touc hre cess edsen‐
sor surface 2untilth eclosing process has
been completed.
% Further information oncon venie nce closing
(/ page 83) .
If yo uopen theta ilg atefrom outs ide,itis aut o‐
matic allyunloc ked. Pr
oblems withKEYLESS-GO Yo
ucan nolon gerlo ck orunloc kth eve hicl e
using KEYLESS-GO .
Po ssible causes:
R The Smar tKey functions have been deactiv a‐
te d(/ page68).
R The Smar tKey batt eryis we ak ordisc harged.
R The Smar tKey isfaulty . #
Activateth eSmar tKey functions
(/ page68). #
Che ckthebatt eryusing theindicat orlam p
and replace ifnec essar y(/ page69). #
Use theemer gency keyto unlo ckorloc kth e
ve hicle (/page69). #
Have theve hicle andSmar tKey checkedat a
qu alif ied spec ialistwo rkshop.
Ther eis int erfere nce from apo we rful radio
sig nal source
The KEYLESS-G Ofuncti onisim pa ired by,fo r
ex am ple:
R Highvo ltag epo we rlines
R Mobi lephones
R Electr onicdevices (notebook s,table ts)
R Shielding duetome talobje ctsor induc tion
loops forelectr icalgate systems oraut o‐
matic barrier s #
Mak esur eth at ther eis asuf ficie ntdist anc e
be tween theSmar tKey and thepo tentia l
sou rceof interfere nce. Ac
tiv atin g/deac tivatin gthe automati clo ck ‐
ing featur e The
vehicle isloc kedaut omatic allywhen the
ignit ionisswitc hedonand thewheels aretur n‐
ing faster than walkin gpace. #
Toactiv ate: press and hold button2 for
appr oximat elyfive seconds untilanacous tic
signal sounds. 72
Opening andclosing

#
Todeac tivate: press and holdbu tton 1 for
appr oximat elyfive seconds untilanacous tic
signal sounds.
In thefo llo wing situat ions,th er eis adang erof
being lockedout when thefunc tion isactiv ated:
R While theve hicle isbeing tow star ted/
pushed.
R Ifth eve hicle isbeing tested on aro ller dyna‐
mome ter. Po
we rcl os ingfun ction &
WARNIN GRisk ofbeco ming trap ped
whe nth edoor sclose automaticall y
Body partsor objec tscan become trapped,
causing injuries. #
Ensur eth at no body partsor obj ect s
ar ein theclosing area. #
Automatic closing ofthedoor scan be
canc eled bypulling theout eror inner
door handle. If
yo upush thedoor intoth eloc kto thefirs t
de tent positio n,thepo we rclosi ngfunction will
au tomatical lypull thedoor intoth eloc k. Loc
king/u nlocking thedr iver' sdoor withth e
emer gency key %
Ifyo uwish toloc kth eve hicle entirelyusing
th eemer gency key,firs tpr es sth ebutt onfor
loc kin gfrom theinside whilethedr iver's
door isopen. Thenproceed toloc kth edr iv‐
er's door using theemer gency key. #
Inser tth eemer gency keyas faras itwil lgo
int oopening 1intheco ver. #
Pull and hold thedoor handle. #
Pull theco veron theemer gency keyas
st ra ight aspossible away from theve hicle
until itre leases. #
Release thedoor handle. Openin
gand closing 73

#
Tounlo ck:tur nth eemer gency keyco unt er-
clo ckwise toposition 0047. #
Toloc k:tur nth eemer gency keyclo ckwise to
position 0047. #
Carefully press theco veront oth eloc kcyli n‐
der until iteng ages and isseat edfirm ly. Ru
nning boards Oper
ation oftheru nning boards Mer
cedes-Ma ybachve hicl es:theve hicle is
eq uipped withelectr icallyex tenda ble ru nning
bo ards. Ifyo uha ve select edtheaut omatic mode
in themultimedia system, (/page75 )th e
ru nning board willex tend automatical lyon the
re spectiv eside when adoor isopened. Youcan
use man ualmod eto cle an theru nning boards
(/ page 332) .
% The running boards willex tend and retract
only ifth eve hicle isstatio nary.
In thefo llo wing cases ,th eru nning boards will
re tract automatical ly:
R Ifyo usele ctan off-ro ad drive pr ogram
(/ page18 2).
R Ifyo uact ivat ecar wash mode (/page330).
R Ifth eoutside mirrors fold inaut omat ically
(/ page15 7).
R Ifyo uar edr ivin gat aspee dgr ea terth an
2. 5mp h(4 km/h). If
yo uha ve select edtheaut omatic modeinthe
multime diasystem and youman uallyex tend the
ru nning boards when thedoor sar eclosed, the
ru nning boards willre main extende d,eve nif yo u
open adoor andthen close itag ain. Automatic
mode willbe react ivat ed onlywhen youar edr iv‐
ing ataspee dgr ea terth an 2.5mp h(4 km/h) .
* NO
TEDama getotheru nning boards
du ring extensi on orretracti on The
running boards extend attheside during
ex tensi on. During retracti on, theru nning
bo ards areint egr ated intheside skirt. #
Mak esur eth at ther eis suf ficie ntspa ce
du ring extensi on and retracti on. Re
ad thedispla ymessag eth at ma ybe displa yed
in theins trument cluster(/ page408). 74
Opening andclosing

Ext
endin gand retracti ngthe running boards
via themu ltim edia system Multi
media system:
4 © 5
Set ting s5
Vehicle
5 SID ERUNNING BOARD #
Select Exten dor Retract .
Au tomatic allyex tending andretracti ngthe
ru nning boards #
Activateor deacti vate AUTO MATICEXTEN -
SION .
% Thisequip ment isavailable onlyfor
Mer cedes-Ma ybachve hicles. Car
gocom partment Opening
thetailg ate &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth eta il‐ ga
te isopen when theengine isrunning ,
esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine before
opening theta ilg ate. #
Neverdr ive wit hth eta ilg ateopen . *
NO
TEDama getotheta ilg atecaused by
obs tacle sab ove theve hicle The
tailg ateswing sre ar wa rdsand upwards
when itis opened. #
Mak esur eth at ther eis suf ficie ntspa ce
beh indand above theta ilg ate. #
Pull remo teoper ating switch1 forth eta il‐
ga te. #
Press and hold the008B buttononthe
Smar tKey . #
Vehicl eswith HANDS -FREEACCESS: Use
yo ur foot to kic kbe low thebum per
(/ page78 ). Op
ening and closing 75

#
Ifth eta ilg ateis unloc ked, pull theta ilg ate
handle andrelease it. #
Fora ta ilg atestopped inan intermediat e
position, pullitupw ards and release itas
soon asitstar ts to open.
The tailg ateis eq uipped withan aut omat ic
obje ctrecogni tionfuncti on.Ifasol idobje ct
bl oc ks orrestricts theta ilg atedur ing automat ic
open ing,this proces swill bestopped. Theauto‐
matic object recogni tionfuncti onisonly anaid.
It is no ta su bs titu teforyo ur att entiven ess when
yo uar eopen ingtheta ilg ate. Closing
thetailg ate &
WARNIN GRisk ofinju ryfrom unsecu red
it ems intheve hicle
If object s,lugg ageor loads areno tsecur ed
or notsecur edsuf ficie ntly,they cou ldslip,
tip ove ror be throw nar ou nd and ther eb yhit
ve hicle occupants. Ther
eis arisk ofinjur y,par ticular lyin the
ev ent ofsudden braking orasudden chang e
in dir ect ion. #
Alw aysst ow object sin suc hawa yth at
th ey canno tbe thro wn around . #
Beforeth ejour ney,secur eobjects, lug‐
ga ge orloads agains tslipping ortipping
ove r. Obser
vetheno teson loadi ngtheve hicle. #
Pull theta ilg atedo wn wardsslightly .Re lease
it as soon asitbegin sto clos e. &
WARNIN GRisk ofbeco ming trap ped
du ring automatic closing oftheta ilg ate
Body partsma ybecom etrapped. Therema y
be people intheclosing area. #
Mak esur eth at nobody isin thevicinit y
of theclosing area dur ing theclosing
pr ocess. Use
oneofthefo llo wing option sto stop the
clos ingproces s:
R Press the008B buttonontheSmar tKey .
R Press orpull there mo teoper ating switch
on thedr iver's door .
R Press theclosing orloc king buttononthe
ta ilg ate.
R Pull theta ilg atehandle. #
Vehicl eswith HANDS -FREEACCESS: itis
also possibletostop theclosing process by
making akic king movement belowthere ar
bum per. 76
Opening andclosing

#
Swi tchon thepo we rsupp lyor theignition . #
Press remo teoper ating switch1 forth e
ta ilg ate. #
Press clos ingbutt on1 ontheta ilg ate.
Ve hicl eswith KEYLESS-GO #
Press locking button2 ontheta ilg ate.
If aSmar tKey isde tected outsid eth eve hicle,
th eta ilg atewill clos eand theve hicle willbe
loc ked. #
Press and hold the008B buttononthe
Smar tKey (wit hth eSmar tKey inthevicin ity
of theve hicle).
Ve hicl eswith HANDS -FREEACCESS #
Mak eakic kin gmo vement withyo ur foot
belo wthebum per(/ page78 ).
Au tomatic reve rsing funct ionforthe tailga te
The tailg ateis eq uipped withaut omat icobje ct
re cogni tionwith are ve rsing func tion.If asolid
obje cthinde rsor restricts theta ilg atewhen itis
clos ingautomat ically,theta ilg atewill automat i‐
call yopen again slight ly.Au tomatic object recog‐
nitio nwi th reve rsing func tion isonl yan aid. Itis
no ta subs titutefo ryo ur att entiven ess when you
ar eclo singth eta ilg ate. #
Dur ing theclosing process, makesur eth at
no body partsarein theclosing area. &
WARNIN GRisk ofbeco ming trap ped
des pite reve rsing func tion
The reve rsing func tion willnotre act :
R Tosof t,light andthin obje cts, e.g. fing ers Ope
ning andclosing 77

R
Towa rdsth eend oftheclosing procedur e
In these situation sin par ticular ,th ere ve rsing
func tion cannotpr ev ent someon ebeing trap‐
ped. #
Ensur eth at no body partsarein the
clos ingarea .
If some oneistrap ped ,ei th er :
R Press the008B buttonontheSmar tKey .
R Press orpull there mo teoper ating switch
on thedr iver's door .
R Press theclosing orloc king buttononthe
ta ilg ate.
R Pull theta ilg atehandle. HANDS-
FREEACCESS function Wi
th HANDS-FREE ACCES Syo ucan open ,clo se
or stop theclosing process oftheta ilg ateby
per form ing akic kin gmo vement under there ar
bum per.
The kickin gmo vement trigg ersth eopening or
closing process alternat ely. Obser
vetheno teswhen opening (/page75 )
and closing(/ page76 )th eta ilg ate.
% Twowa rning tones soundwhen thetai lgat e
is open ingorclos ing. &
WARNIN GRisk ofburnscaused byaho t
ex haus tsy stem
The vehicle exhaus tsy stem can become very
ho t.Ifyo uuse HAND S-FRE EAC CES S,you
cou ldbu rn yourself bytouc hin gth eex haus t
sy stem. #
Alw aysensur eth at youon lyma kea
kic king movement within thede tection
ra ng eof thesensor s. *
NO
TEVehicle damag edue tounin ten‐
tio nal openi ng oftheta ilg ate R
when usinganaut omat iccar wash
R when usingahigh pressur ecleaner #
Deactiv ateKEYLES S-GOormak esur e
th at theke yloc ated isat leas t10 ft 78
Opening andclosing