2020 MERCEDES-BENZ GLS SUV service

Digita
l– in theve hicl eV ehicledocument walletD igital–on theInt erne tD igital–as an app
Fa mili arize yourself withth econ ‐
te nts oftheOper ator's Manual
dir ect lyvia theve hicle's multi‐
media system (menu item "Vehi‐
cle information ").Startwit hth e
qu ick guide orbroaden your
kn ow ledg ewit hpr act ical tips. Her
eyo ucan find com prehe n‐
si ve informatio nabout operating
yo ur vehicle andabout services
and guar antees inprint ed form . Yo
ucan find theOper ator's Man‐
ual ontheMer cedes- Benzhome‐
pag e. The
Mercedes- BenzGuides app
is available free- of-charge in
fa mili arapp stor es. É167
5844607,ËÍ
1675844607 Apple
®
iOS AndroidTM Or
der no.P167 0164 13 Partno. 16758 446 07
Edi tionB 2020 GL
S Op
erator' sMa nua l
Mer cedes-BenzMerc edes- Benz GLS

Light
andvisibili ty................................... 155
Ext eriorlighti ng............ ..............................155
Int erior lighti ng........ ......................... .......... 160
Wi ndsh ield wipe rand windsh ield wa sher
sy stem .................. ...................................... 162
Mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 166
Oper ating thesun visor s... .......................... 169
Ar ea perm eable toradio wav eson the
winds hield.................................................. 170
Infr ared-r eflectiv ewindshi eldfunction ........ 170 Clim
atecontr ol......................................... 171
Ov ervie wof climat econt rolsy stems ..........1 71
Oper ating theclimat econ trol system ......... 172 Dr
ivin gand parking .................................. 181
Dr iving ............ ............................................181
DY NA MIC SELE CTswitc h... .........................1 96
Au tomatic transmiss ion.............................. 199
Tr ans fercase ........... ................................... 204
Fu nctio nof 4MA TIC<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........206
Re fuel ing...... .............................................. 206
Pa rking .......................................................2 08
Dr iving anddriving safetysy stems .............. 218 Tr
ailer hitch <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 296
Ve hicle towing instruct ions .............. ...........3 00 Ins
trument Displa yand on-b oard
co mp uter ...... ............................................301
Ins trument Displayove rview ............ ...........3 01
Ov ervie wof thebutt ons onthesteer ing
wheel ..........................................................3 02
Oper ating theon- boar dcom puter.............. 303
Ad jus ting thedesign oftheIns trument
Displa y... .......................................... ..........3 04
Sho wing display cont entontheins tru‐
ment cluster..... .............................. ............ 305
Ov ervie wof disp lays on themultifunc ‐
tion displa y... .................................... ..........3 06
Ad jus ting theins trument lighting ................3 07
Menus andsubmenus ................................ 307
Head-up Display... ....................................... 314 Vo
ice Contr olSy stem ............................... 31 6
No teson oper ating safety...........................3 16
Oper ation .......................................... ..........3 17
Using theVo ice Cont rolSy stem effec‐
tiv ely <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011>...319 Esse
ntialvo ice com mand s.........................3 20 MBUX
multimedia system ...................... 334
Ov ervie wand oper ation .............................. 334
Sy stem settings .......................................... 369
Na vig ation .................................................. 380
Te lephon e...................................................4 21
Online andInterne tfunctions ..................... 449
Media ......................................................... 456
Ra dio .......................................................... 463
Sound .........................................................4 71
MBUX rear table t........................................ 473 Maint
enanc eand care..... ........................ 476
ASS YSTPL US service interva ldispla y.........4 76
Engi necompar tment............ ...................... 477
Clean ingand care.......................................4 83 Br
eakdo wnassi stance ............................ 494
Flat tire....... ................................................ 494
Batt ery(v ehi cle) ....... .................................. 499
To w star tin gor towing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 505
Elec trica lfus es<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 510 Con
tents 3

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

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

be
tween you, your dealer ,or Mer cedes-Ben z
US A,LLC.
To cont actNHT SA,yo uma ycall theVe hicle
Saf etyHo tlin e to ll-f reeat 1-8 88-327-4 236
(TT Y:1-800-42 4-9153);go tohttps: //
www .safercar .go v;or write to :Ad minis trat or ,
NHT SA,400 SeventhSt reet,SW .,Wa shingt on,
DC 20590, USA.
Yo ucan also obtain other information about
mo torve hicle safetyfrom: http s://
www .saf er car .gov Limit
edWa rranty
* NO
TEDama getotheve hicle arising
fr om violation ofthese oper ating instruc‐
tion s. Damag
eto theve hicle canarise from viola‐
tion ofthese oper ating instruction s.
This damag eis no tco veredeit her bythe
Mer cedes-Ben zim plied warrant yor by the
Ne w‑ orUsed- Vehicle Warrant y. #
Followtheins truction sin these oper at‐
ing instruction son proper operation of
yo ur vehicle aswellas on possible vehi‐
cle damag e. QR
code forre scue card
The QRcode issecur edinthefuel filler flap and
on theopposit eside ontheB-pillar .In theeve nt
of an acci dent, rescue services canusetheQR
code toquickl yfind theappr opriatere scue card
fo ryo ur vehicle. Thecurrent rescue cardcon‐
ta ins themos tim por tant informa tionab ou tyo ur
ve hicle inacom pact form ,e.g. thero utin gof the
electr iclines.
Fu rther information canbeobt ained athttps: //
www .mercedes-benz .de/qr-code. Data
storage Electr
oniccontr olunit s Ele
ctro nic contr oluni tsareins talled inyour vehi‐
cle. Some ofthese areneces saryfo rth esaf e
oper ation ofyour vehicle, whilesome assistyo u when
drivin g(dr iver assis tance systems). In
addition, your vehicle prov ides comfort and
ent ertainm ent func tions,whic har ealso made
possible byelectr oniccontrol units.
Elect ronic contr oluni tscont ain da ta memor ies
whic hcan temp orarily orper manent lystor e
te ch nica linf orma tionab ou tth eve hicle's operat‐
ing stat e, com ponent loads, maintenance
re qu iremen tsand tech nica leve nts orma lfunc‐
tio ns.
In gener al,th is inf ormatio ndocum entsth est at e
of acom ponent part,amodul e,asy stem orthe
sur round ingssuc has:
R Operatin gst atus ofsystem com ponen ts(e.g.
fi ll le ve ls, batt eryst atus ,tir epr essur e)
R Status messagescon cerningth eve hicle or
its individua lcom ponent s(e.g. number of
wheel revo lution s/speed, longitudin alacc el‐
er ation ,lat eral acc eler ation ,displa yof fas‐
te ned seatbe lts)
R Malfunctio nsorfaults inim por tant system
com ponen ts(e.g. lights, brak es)
R Information oneve nts lead ing tovehicle
damag e 30
Gener alno tes

R
System react ionsin spec ialdrivin gsit uatio ns
(e. g.airbag deployment,int erve ntio nof sta‐
bilit ycon trol systems)
R Ambien tcon ditions (e.g.temp eratur e,rain
sen sor)
In addition toprov iding theactual control unit
func tion,th is dat aassis tsthemanuf acturerin
de tecting andrectify ingmal functi onsand opti‐
mizi ngvehicle functions. Themajority ofthis
dat ais temp orar yand isonl ypr ocessed inthe
ve hicle itself. Onlya small portion ofthedat ais
st or ed intheeve ntor fault mem ory.
When your vehicle isser viced, tech nica lda ta
fr om theve hicle canberead out byser vice net‐
wo rkem ployees (e.g. workshops, manufactur‐
er s) or third par ties (e.g. breakdo wnservice s).
Ser vice sinc lude repair services, maintenanc e
pr ocesses ,wa rrant yclaim sand qualit yassur ‐
anc emeas ures, forex am ple. Theread out isper‐
fo rm ed via theleg ally prescr ibed portfo rth e
diagnos ticsconnection intheve hicle. The
re spectiv eser vice networklocations orthird
par ties collec t,pr oces sand usethedat a.The y
documen tte ch nica lst atus esoftheve hicle, assis
tin findi ng ma lfunctio nsand improv ing
qu alit yand aretrans mittedto themanuf acturer,
if neces sary.Fu rther mor e,themanuf actureris
subject toproduct liability .Fo rth is, themanu‐
fa ctur errequ ires tech nica lda ta from vehicles.
Fa ult mem ories intheve hicle canberese tby a
ser vice outle tas par tof repair ormaint enanc e
wo rk.
Dep endingontheselect edequipment, youcan
im por tdat aint ove hicle convenie nce and info‐
ta inm ent func tionsyo urself .
This includes, forex am ple:
R Mult imed iadat asuc has music ,fi lms orpho‐
to sfo rpla yba ckinan integr ated multim edia
sy stem
R Address book datafo ruse inconnection with
an integr ated hands-fr eesystem oran inte‐
gr ated navig ation system
R Entere dna vig ation destinations
R Dat aabout theuse ofInt erne tser vices
This datacan besave dlocall yin theve hicle orit
is locat edon ade vice whichyo uha ve connect ed
to theve hicle (e.g.asmar tphone, USBflash dr
ive or MP3 player). Ifth is dat ais stor ed inthe
ve hicle, youcan deleteitat anytim e.This data
is sen tto third par ties onlyat your requ est,par‐
ticular lywhen youuse onlineser vices inacc ord‐
anc ewit hth ese ttings that youha ve select ed.
Yo ucan stor eor chang econ venie nce setting s/
ind ividu aliza tionin theve hicle atanytime.
Depending ontheeq uipment, this inc ludes, for
ex am ple:
R Setting sfo rth eseat andsteer ing wheel posi‐
tion s
R Suspension andclimat econ trol settings
R Cus tomizations suchas interior ligh ting
If yo ur vehicle isaccor dinglyeq uipped ,yo ucan
co nn ect your smar tphon eor ano ther mobile end
de vice totheve hicle. Youcan contro lth is by
means ofthecon trol element sint egr ated inthe
ve hicle. Imagesand audiofrom thesmar tphon e
can beoutput viathemultimedia system. Cer‐
ta in inf ormatio nis simult aneousl ytransf erredto
yo ur smar tphon e. Gen
eral no tes 31

Dep
endingonthetype ofintegr ation, this can
inc lude:
R General vehicle data
R Position data
This allowsyouto use selected apps onyour
smar tphon e,suc has navig atio nor musi cpla y‐
bac k.Ther eis no further interaction between the
smar tphone andtheve hicle; inpar ticular ,ve hi‐
cle datais no tdir ectl yaccessible. Whichtype of
fur ther dat apr ocessin goccur sis de term ined by
th epr ov ider ofthespecif icapp used. Whichse t‐
ting syo ucan make,ifan y,depends onthespe‐
cif icapp andtheoper ating system ofyour
smar tphon e. Onlin
eser vices Wi
reless netw orkconnection
If yo ur vehicle hasawir eless networkconn ec‐
tion, itenables datato be exch ang edbetween
yo ur vehicle andadditional systems. Thewire‐
less networkcon nect ionisenabled viatheve hi‐
cle's transmission andrecep tion unitor via con‐
nect edmob ile end device s(e.g .sma rtphones). Onlin
efunc tionscan beused viathewir eless
ne tworkcon nect ion.This includes onlineserv‐
ices andapplications/ appsprov ided bytheman‐
uf actur eror other prov ider s.
Manu factu rer's services
Re garding onlin eser vice sof themanuf acturer,
th eindividual functionsar edescr ibedbythe
manuf acturerinasui table place (e.g.Operator's
Manual, websit eof themanuf acturer)along with
th ere leva nt data protect ion information .Pe r‐
sonal datama ybe used forth epr ov ision of
onlin eser vice s.Dat ais exc hang edvia asecur e
conn ection, e.g.themanuf acturer'sdesignat ed
IT systems. Personal datais collect ed,pro‐
cessed andused viathepr ov ision ofser vice s
exc lusiv elyon thebasis ofleg alper missions or
wit hpr ior con sent .
The services andfunc tions(some times subject
to afe e) can usually beactiv ated ordeactiv ated.
In some cases, this also applies totheent ire
ve hicle's dataconn ection. Thisexclu des ,in pa r‐
ticu lar, leg allypr escr ibed functionsand service s. Th
ird pa rty ser vice s
If it is possibl eto use onlineser vices from other
pr ov ider s,these services areth ere sponsibili ty
of thepr ov ider inqu estion andsubject tothat
pr ov ider's datapr otect ion conditions andterm s
of use. Themanuf acturerhas noinfluence on
th econ tent exch ang ed.
Fo rth is reason ,please asktheser vice prov ider
fo rinf ormation aboutthetype, extent and pur‐
po se ofthecollect ionand useofper sonal data
when services arepr ov ided bythird par ties . MB
UX multim edia system/M ercedes me
connect If
th eve hicle iseq uipped withth eMBUX multi‐
media system orMer cedes meconnect ,addi‐
tion aldat aabout theve hicle's operation, theuse
of theve hicle incer tain situat ions,and theloca‐
tion oftheve hicle maybe com piled bythe
MBUX multimedia system orMer cedes mecon‐
nect .
Fo radd itional information, pleasereferto the
"MB UXmult imed iasystem" sectionand/or the
Mer cedes meconn ectTerm sand Conditions. 32
Gener alno tes