MERCEDES-BENZ GLS 2020 Owner's Manual

1
QRcode foraccessi ngthere scue card →
30
2 mebutt onand SOS button →
442
3 Haza rdwa rning light s →
157
4 Chec kingand refilling operatingfluids →
554
St artin gassis tance →
503
5 Tow- star tin gand towing away →
506 6
Flat tire →
494
7 Fuelfiller flap withins truct ion labels fortir e
pr essu re,fuel type andQRcode foraccessi ng
th ere scue card →
206
8 Tow- star tin gand towing away →
506
9 TIREFIT kit →
495 At
aglanc e– Em erge ncie sand brea kdo wns 19

Callin
gup theDigital Operator' sMan ual
Multi media system:
4 © 5
Info 5
Operator 'sManual
5 Õ The
Digit alOper ator's Manual describesthe
function andoper ation of:
R The vehicle
R The multimedia system #
Select oneofthefo llo wing menuitems inthe
Dig ital Op erator' sMa nua l: R
Sea rch: searchfo rke yw ords inorder tofind
qu ick answ ersto question sabout theoper a‐
tion oftheve hicle.
R Quick start:find thefirs tst eps towa rdsse t‐
ting upyour vehicle.
R Tips: find informa tionth at prepar esyoufo r
cer tain eve ryda ysituation swit hyo ur vehicle.
R Messages: recei veaddit ionalinf ormat ion
about themessag esintheins trument dis‐
pla y.
R Bookma rks:gain acc ess toyour per son ally
sa ve dbookm arks .
R Langua ge:select thelanguag efo rth eDigit al
Oper ator's Manual. 1
Back
2 Adds bookm arks
3 Pictur e
4 Cont ents section
5 Direction sof mo vement ofcont ents section
6 Menu
Some sections intheDigit alOper ator's Manual,
e.g. warning notes, can beopened andclosed.
Ad diti onalme thods ofcal ling up the Digital
Ope rato r's Man ual:
Di rect access :open there qu ired con tent inthe
Dig ital Op erator' sMa nua lby pressing andhold‐ 20
DigitalOper ator's Manual

ing
anent ryon theta bbar inthemultimedia
sy stem: Ins
trument Display:cal lup briefinf ormati onas
di spl aymessa gesin theins trument cluster.
Vo ice Contr olSy stem: callupvia thevo ice
con trol system
Global search:cal lup sea rchre sults forcon‐
te nts oftheDigit alOper ator's Manual inthe
home screen
Fo rsaf etyre ason s,theDigit alOper ator's Man‐
ual isdeactiv ated while driving. %
The Oper ator's Manual canalso befound in
th eMer cedes- BenzGuides appinall com‐
mon appstor es. Digit
alOper ator's Manual 21

Pr
otecting theen vir onmen t
+ ENV
IRONM ENTALNOTEEnvironme ntal
da ma gedue tooper ating condit ionsand
per sonal driving style The
pollut antemission oftheve hicle is
dir ectl yre lat ed tothewa yyo uoperat eth e
ve hicle.
Oper ateyo ur vehicle inan environment ally
re sponsible mannertohelp protect theen vi‐
ro nment. Plea se obser vethefo llo wing rec‐
omme ndations onope rating cond itions and
pe rsonal driving style.
Oper ating conditions: #
Mak esur eth at thetir epr essur eis cor‐
re ct. #
Donotcar ryanyunn ecessar ywe ight
(e.g. roof lugg agera ck sonce youno
lon gerneed them). #
Adher eto theser vice interva ls.
A regular lyser viced vehicle willcont rib‐
ut eto environmen talpr otect ion. #
Alw aysha ve maint enance workcar ried
out ataqu alif ied spec ialistwo rkshop.
Pe rsonal driving style: #
Donotdepr esstheaccelera torpeda l
when star tin gth eengine. #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary. #
Drive car efu llyand maintain asu itab le
di st anc efrom theve hicle infront. #
Avoid freq uent, sudden acceleration
and braking. #
Chang ege ar ingood timeand useeach
ge ar onlyup to00C3 ofits maximum
engine speed. #
Switc hof fth eengine instatio narytraf‐
fi c, e.g. byusin gth eEC Ostar t/ stop
funct ion. #
Drive fuel-ef ficie ntly .Obs erve theEC O
displa yfo ra fuel -efficie ntdrivi ng style. +
ENVIR
ONMEN TALNO TEEnvironme ntal
po lluti on cau sed byirre sponsible dis‐
posal ofthehigh-v oltagebatt ery A
high-v oltagebatt erycon tains mat erials
whic har ehar mful totheen vironmen t. #
Dispose ofdef ective high-v oltagebat‐
te ries ataqu alif ied spec ialistwo rk‐
shop. En
vir onmental issuesandrecomm endations:
It is recomme ndedthat youre -us eor recy cle
mat erials ins tead ofjus tdispo singof them.
The releva nt environme ntal gu ideline sand regu‐
lations servetoprotect theen vironmen tand
mus tbe strictly observe d. 22
Gener alno tes

Mer
cede s-Benz GenuineParts
+ ENVIR
ONMENT ALNOTEEnvironme ntal
da ma gecau sed bynotus ing recy cle d
re condi tionedcom pone nts Dai
mle rAG offers recy cle dre condi tioned
com pone ntsand parts wit hth esame qualit y
as newpar ts.The same entitlemen tfr om the
Limit edWarrant yis valid asforne wpar ts. #
Use recy cle dre condi tionedcom po‐
nents andparts from Daimler AG. *
NO
TEImpairment oftheoper ating effi‐
cie ncy ofthere stra int systems from
ins talling accessor ypar tsor from repair s
or we lding Air
bags andEmerge ncy Tensi oni ng Device s,
as wellas con trol unit sand sensorsfo rth e
re stra int systems, maybe installed inthefo l‐
lo wing areas ofyour vehicle:
R Door s
R Door pillars R
Doo rsi lls
R Sea ts
R Cockpit
R Instrument cluster
R Cen terconsole
R Lateral roof frame #
Donotins tallacc essor ypar tssuc has
audio systems inthese areas. #
Donotcar ryout repair sor we lding. #
Have afte rm arke tins tallation ofacc es‐
sor ies carried out ataqu alif ied spec ial‐
is two rkshop. Yo
uco uld jeopar dizeth eoper ating safetyof your
ve hicle ifyo uuse parts,tir es and wheel sas well
as acc essor iesreleva nt tosaf etywhic hha ve not
be en approve dby Mer cedes-Ben z.Saf ety-re le‐
va nt systems, e.g.thebr ak esy stem, maymal‐
func tion.Onl yuse Mercedes- BenzGenuineP arts
or par tsof equal qualit y.Onl yuse tires, wheels
and accessor iesthat have been specif ically
appr ovedfo ryo ur vehicle model. Mer
cedes-Ben zGenuineP arts aresubject to
st rict qualit ycon trol. Eac hpar thas been spe‐
ciall yde veloped, manufactured orselec tedfo r
Mer cedes-Ben zve hicles andfine-tu nedforth em.
Ther efor e, onl yMer cedes- BenzGenuineP arts
should beused.
Mor eth an 300,0 00 differe nt Mer cedes-B enz
Ge nui neP arts areav ailable forMer cedes-Benz
model s.
All author ized Mercedes-B enzCent ersmaint ain
a supply ofMer cedes-B enzGenuineP arts for
nece ssaryser vice andrepair work.In addition,
st ra tegically locatedpar tsdeliv erycent erspr o‐
vide forqu ick and reliable partsser vice .
Alw aysspecify theve hicle identif ication number
(VIN) (/page552) when order ing Mer cedes-
Benz GenuineP arts. Oper
ator's Manual
This Oper ator's Manual describesallmodels and
all standar dand optio nal equipme ntavailable for
yo ur vehicle atthetime ofthis Opera tor's Man‐
ua lgoing topress. Countr y-specif icdif fere nces
ar epo ssi ble. No tethat your vehicle mayno tbe Gener
alno tes 23

eq
uipped withall featur esdesc ribed. Thisisalso
th ecase forsy stems andfunc tionsre leva nt to
saf ety. Ther efor e, theeq uipment onyour vehicle
ma ydif ferfr om that inthedescr iption sand illus‐
tra tion s.
The original purchase agreeme ntforyo ur vehicle
cont ains alis tof all ofthesy stems inyour vehi‐
cle.
Should youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter.
The Oper ator's Manual andMaint enanc eBook let
ar eim por tant docum ents andshould be kept in
th eve hicle. Ser
vice andvehicl eoper ation Ve
hicl eoper ation outside theUS Aor Cana da When
youar eabr oad withyo ur vehicle, observe
th efo llo wing points:
R service point sor replacemen tpar tsma yno t
be available immediat ely. R
unle aded fuelmayno tbe available forve hi‐
cles withacat alytic converter .Leaded fuel
ma ycause damag eto thecat alytic converter .
R thefuel mayha ve an extreme lylow oct ane
num ber.Un suit able fuelcancause engine
damag e.
Some Mercedes-Benz modelsareav ailable in
Eur ope thro ugh ourEuropean DeliveryPr og ram.
Fo rmor einf ormation, pleaseconsult anauthor‐
ized Mercedes‑B enzservice center,or write to
one ofthefo llo wing address:
in theUS A:
Mer cede s-Benz USA,LLC
Eur opea nDeliv eryDepar tment
One Mercedes-Benz Drive
Sandy Springs, GA30328
in Canada:
Mer cedes-Benz Canada,Inc.
Eur opea nDeliv eryDepar tment
98 Vande rhoof Avenue
To ronto, Ont ario M4G 4C9 Mai
nten anc e Yo
ur cus tomer advisorconf irms theser vice in
th eser vice repor t. Ro
adside Assistan ce The
Mercedes -Benz Roadside Assis tance Pro‐
gr am offers tech nica lhel pin thecase ofa
br eakdo wn.Your calls totheto ll-f reeRo adside
As sis tance Hotline areans weredby our agents
24 hour sa da y,365 days aye ar.
1- 80 0-FO R-MER Cedes (1-800-367-63 72)(US A)
1-8 00-387-0 100(Canada)
Yo ucan find further information inthe
Mer cedes-Ben zRo adside Assis tance Progr am
br oc hu re (US A)orthe"R oadside Assistance"
secti onintheSer vice andWarrant ybook let
(Canad a).Youwill find both intheve hicle docu‐
ment wallet. Chang
eof address orchang eof ow ner ship In
theeve ntofach ang eof addr ess, please send
us the"No tification ofaddr esschang e"inthe 24
Generalno tes

Ser
vice andGuarant eeboo kletor simpl ycal lth e
Mer cedes-Ben zCus tomer Assis tance Center
(US A)on theho tline number
1-8 00-FOR-MER Cedes (1-800-367-63 72)or Cus‐
to mer Service (Canada )on 1-800-38 7-0100. We
can then reac hyo uin atim elyfa shion, ifneces‐
sar y.
If yo usell your Mer cedes,pleas elea veall liter a‐
tur ein theve hicle sothat itis available tothe
ne xt ow ner .If yo uha ve pur chased aused vehi‐
cle, please sendusthe"No tice ofPur chase of
Used Car"intheSer vice andGuar anteebookle t
or sim plycall theMer cedes- BenzCustomer
Assis tance Center (US A)attheho tline number
1-8 00-FOR-MER Cedes (1-800-367-63 72)or Cus‐
to mer Service (Canada )at 1-800-38 7-0100. Po
ssible dangerdue tosubs tances hazard‐
ous tohealth In
com pliance withPr oposi tion65("Prop65"),
th efo llo wing detach able label hasbeen added to
eac hve hicle soldinCali forn ia: Oper
ating safety &
WARNIN GRisk ofacci dent dueto mal‐
functions orsystem failur es
If yo udo notha ve thepr escr ibed service/
maint enanc ewo rkor anyre qu ired repair s
car ried out, this could result inmalfunctions
or system failur es. #
Alw aysha ve thepr escr ibed service/
maint enanc ewo rkas wellan yre qu ired
re pair scar ried out ataqu alif ied spe‐
cialis two rkshop. &
WARNIN GRisk ofacci dent andinjuryas
a re sult ofincor rect mod ifica tions to
electr oniccomponen tpar ts
Modif ication toelectr oniccomponen ts,their
sof twareor wir ing could impair their func tion
and/or thefunc tion ofother networke dcom‐
ponen tpar ts.Inpar ticular ,sy stems releva nt
to saf etyco uld also beaffect ed.
As are sult, they ma yno long erfunction as
int ended and/or endangertheoper ating
saf etyof theve hicle. #
Neverta mp erwit hth ewir ing and elec‐
tr onic componen tpar tsor their soft‐
wa re. #
Yousho uld have all workon electr ical
and electr oniccomponent scar ried out
at aqu alif ied spec ialistwo rkshop. Obser
vethe"On-boar delectr onics"sect ionin
"T ec hnical data". Gener
alno tes 25

&
WARNIN GRisk offire due toflammab le
mat erials onhotpar tsof theex haus t
sy stem
Flammable material suc has lea ves, grass or
twigs mayignit eif th ey come intocont act
wi th hotpar tsof theex haus tsy stem. #
When driving onunpavedro ads oroff-
ro ad, regular lych eckth eve hicle under‐
side. #
Remo vetrap pe dplants orother flam‐
mable material. #
Ifth er eis damag e,con sult aqu alif ied
spec ialistwo rkshop immediat ely. *
NO
TEDama getotheve hicle In
thefo llo wing situat ions,in par ticular ,th er e
is arisk ofdamag eto theve hicle:
R The vehicle becomes grounded, e.g.ona
high curb oran unpavedro ad R
The vehicle isdriven toofa st over an
obs tacle ,e.g. acurb ,spe edbump orpot‐
hole
R Ahea vyobject strike sth eunderbody or
ch assis components
In situatio nssuc has this, thebody ,th e
und erbody ,ch assis components,wheels or
tir es coul dbe damag edwithout thedamag e
being visible. Componen tsdamag edinthis
wa ycan unexpec tedly failor ,in thecase of
an acciden t,ma yno tabsorb theloads that
ar ise asintend ed.
If th eunderbody panelingisdamag ed,flam‐
mable materials suchas lea ves, grass or
twigs cancollect between theunderbody and
th eunderbody paneling.Thesematerials may
ignit eif th ey come intocont actwith hot
par tson theex haus tsy stem. #
Have theve hicle checkedand repair ed
immediat elyat aqu alif ied spec ialist
wo rkshop.
or #
Ifdr iving safetyis im pair edwhile con‐
ti nui ng your jour ne y,pull over and stop
th eve hicle immediat elyin accor dance
wit hth etraf fic condi tions,and cont act
a qu alif ied spec ialistwo rkshop. Ve
hicl eswith a48 Von-b oardele ctrical sys‐
te m (EQ Boo sttech nology) &
DANG ER Risk offata linj uryby touc hin g
damag edhigh -volt ageco mp onent s
Ve hicles witha48 Von-boar delectr icalsys‐
te m cont ainindivi dualhigh-v oltagecom po‐
nents. Thesehigh-voltagecom ponents are
under highvoltag e.
If yo umod ifycomp onent partsof these high-
vo ltag ecom pone ntsor touc hdamag edcom‐
pon entpar ts,yo uma ybe elec troc uted.
Hig hvo ltag ecom pone ntsma ybe damag ed
in an acc ident ,alt hough thedamag ema yno t
be visible. #
Neverper form modif icationstocom po‐
nent parts of high-v oltagecom ponents. 26
Gener alno tes

#
Neverto uc hdamag edcomp onent parts
of high-v oltagecom ponent s. #
Neverto uc hco mp onent partsof high-
vo ltag ecom pone ntsaf te ran accide nt. Ve
hicles witha48 Von-boar delectr icalsystem
con tain high voltag ecom pone nts. These compo‐
nen tsaremar kedwit hahigh voltag elabel: All
workon high voltag ecom pone ntsmus tbe
car ried out ataqu alif ied spec ialistwo rkshop. Dec
laration ofconf ormity forwi reless vehi‐
cle comp onent s
US A:"The wireless devic es ofthis vehicle com‐
ply withPa rt15 oftheFCC Rules. Opera tionis
subje ctto thefo llo wing twocon dition s:1) These
de vice sma yno tcause harmful interfere nce, and
2) The sedevice smu stacc eptan yint erfere nce
re cei ved, includin gint erfere nce that ma ycaus e
unde sired operation .Chan gesor modif ications
no tex pressl yappr ovedby thepar tyresponsible
fo rcom pliance could void theuser's author ityto
oper ateth eeq uipment. "
Canada :"The wireless devices ofthis vehicle
com plywit hIndus try Canada license-e xemp t
RSS standar d(s).Operationis subj ecttothefo l‐
lo wing twocon dition s:(1) These device sma y
no tcause interfere nce, and(2)The sedevice s
mu stacc eptan yint erfere nce, including interfer‐
ence that ma ycaus eunde sired oper ationof the
de vice. "
US A:"W ireless chargin gsy stem formobil ede vi‐
ces (mode l:WMI2 Wireless Mobile Interface):
th is de vice complies withPa rt18 oftheFCC
Ru les." The
name andaddr essofthere sponsible party
is:
peik eracus ticGmbH
Max-Planc k-St r.28-32
61 38 1Fr iedr ichsdor f
Ger man y Diagnos
ticsconnection
The diagno stics con nection isonl yint ended for
th econ nect ionofdiagnos ticdevices ataqu ali‐
fi ed specialis two rkshop. &
WARNIN GRisk ofacci dent dueto con‐
necting device sto thediagnos ticscon‐
nect ion
If yo uco nn ect equipme nttoadiagn ostic s
con nectionin theve hicle, itma yaf fect the
oper ation ofvehicle systems.
As are sult, theoper ating safetyof theve hi‐
cle could beaffect ed. #
Onlyconnect theve hicle diagnos tics
conn ection todevices whichha ve been Gener
alno tes 27

te
sted withre ga rd totheir use and are
con sider edsafe. &
WARNIN GRisk ofacci dent dueto
object sin thedr iver's foot we ll
Obj ectsin thedr iver's foot we llma yim pede
pedal trav el or bloc kadepr essed pedal.
This jeopar dizestheoper ating androad
saf etyof theve hicle. #
Stow allobj ect sin theve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alw aysins tallth efloor mats securely
and asprescr ibed inorder toensur e
th at ther eis alw ayssuf ficie ntroom for
th epedals. #
Donotuse loose floor mats anddonot
place floor mats ontopof one another. *
NO
TEBatt erydi sc ha rging from using
de vice sconne cted tothediagnos tics
con nect ion Using
devices atthediagnos ticsconnect ion
dr ains thebatt ery. #
Chec kth ech arge leve lof thebatt ery. #
Ifth ech arge leve lis low, charge the
batt ery, e.g. bydriving acon sider able
dis tance. Co
nnecti ngequip ment tothediagnos ticscon‐
nect ioncan lead toemissions monitoring infor‐
mation beingrese t,forex am ple. This maylead
to theve hicle failing tomee tth ere qu iremen tsof
th ene xt emissions inspectionduring themain
inspect ion. Qualif
iedspecialis two rkshop
An author ized Mercedes-B enzCent erisaqu ali‐
fi ed specialis two rkshop. Ithas theneces sary
special skills,tools and qualif icat ionsto cor‐
re ctly carryout thewo rkrequ ired on your vehi‐ cle.
This particular lyapplies tosaf ety-re leva nt
wo rks.
Fo rth efo llo wing, alwaysha ve your vehicle
ch eckedat an aut hor ized Mercedes- BenzCen‐
te r:
R safety-re leva nt wo rks
R service andmaint enance work
R repair work
R modif ications aswellas installation sand
con versions
R workon electr oniccomponent s
Mer cedes‑B enzrecomme ndsaMercedes‑Be nz
ser vice center. Co
rrect use oftheve hicl e
If yo ure mo veanywa rning sticke rs,yo uor other s
could failto recogni zecer tain dang ers. Lea ve
wa rning sticke rs inposit ion.
Obser vethefo llo wing informatio nin par ticular
when drivin gyo ur vehicle:
R thesaf etyno tesin this manual 28
General notes