2020 MERCEDES-BENZ GLS SUV heating

Ti
re pres sur e No
teson tirepr essur e &
WARNIN GRisk ofacci dent dueto insuf ‐
fi cie ntor excess ive tir epr ess ure
Under inflate dor ove rinf late dtir es pose the
fo llo wing risk s:
R The tires ma ybur st,especiall yas the
load andvehicle speed increase.
R The tires ma ywe arexc essiv elyand/or
une venly, whic hma ygr ea tly impair tire
traction .
R The drivin gch aract eristic s,as wellas
st eer ing and braking, maybe greatl y
im pair ed. #
Com plywithth ere comme ndedtire
pr ess ureand checkth etir epr essur eof
all tires including thespar ewheel regu‐
lar ly:
R atleas tonce amont h
R when theload chang es R
beforeembar kingon alon gerjour ney
R ifoper ating conditions chang e,e.g .of f-
ro ad drivin g #
Adjus tth etir epr essur eas neces sary. Ti
re pressur ewhic his toohigh ortoolow can:
R Shor tenth eser vice life of thetir es.
R Cause increased tiredamag e.
R Adversely affect drivi ng charact eristic sand
th us drivin gsaf ety, e.g. due tohydroplaning. &
WARNIN GRisk ofan acci dent dueto
insuf ficie nttirepr ess ure
Ti re swit hpr essur eth at istoolow can over‐
heat andburstas are sult.
In addition, they also sufferfr om excessiv e
and/or irre gular wear,whic hcan significan tly
im pair thebr aking proper tiesand thehan‐
dling charact eristic s. #
Avoid excessiv elylow tirepr essur esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toolow can cause:
R Tire faults asare sult ofoverheating.
R Impair edhandling charact eristic s.
R Irre gular wear.
R Incr eased fuelconsum ption. &
WARNIN GRisk ofacci dent from exces‐
siv etir epr essur e
Ti re swit hexc essiv elyhigh pressur ecan
bur stbecause they aredamag edmor eeasil y
by highw ayfill, po tholes etc.
In addition, they also sufferfr om irre gular
we ar,whic hcan significan tly im pair thebr ak‐
ing proper tiesand thehandling charact eris‐
tic s. #
Avoid excessiv elyhigh tirepr essur esin
all thetir es, including thespar ewheel. Ti
re pressur ewhic his toohigh cancause:
R Increased brakin gdis tance
R Impaired handl ing charact eristic s
R Irre gular wear Whee
lsand tires 51
5

and
one-h alftim esaswellon thego vernment
te st trac kas atir egr ad ed 100.
The relativ eper form anc eof tires depen dsupon
th eactual conditions oftheir use, howe ver,and
ma ydepar tsign ifican tly from thenor mdue to
va riatio nsindrivin ghabit s,ser vicepr act icesand
dif fere nces inroad charact eristic sand climate
con dition s.
Tr actio ngr ade &
DANG ER Risk ofacc iden tdue toinade‐
qu atetract ion
The tract ion grade assig nedtothis tireis
based onstra ight -ahead brakin gtract ion
te sts, and does notinclude either acceler a‐
tion, corner ing, hydroplaning orpeak traction
ch aract eristic s. #
Alw aysadap tyo ur drivin gst yle and
dr ive at aspeed tosuit thepr ev ailin g
traf fic and weather condition s. *
NO
TEDama getothedr ivet ra in from
wheelspin #
Avoid wheelspin. The
traction classes, from highes tto lowe st,ar e
AA ,A, Band C.Tho segrad es repr esent thetir e's
ability tostop onwetpa vement asmeasu red
und ercontro lled condition son spec ified govern‐
ment test sur faces ofasp haltand concr ete. A
tir emar kedC ma yha ve poor traction perform ‐
anc e.
Te mp eratur egr ade &
WARNIN GRisk ofacci dent from tire
ove rheating andtirefa ilur e
The temp eratur egr ade forth is tireis es tab‐
lished fora tir eth at isproper lyinflat ed and
no tove rloaded. Excessiv espeed, underinfla‐
tion, orexc essiv eloading, either separ ately
or incombin ation,cancause excessiv eheat
build-up andpossible tirefa ilur e. #
Obser vethere comme ndedtirepr es‐
su resand regular lych eckth etir epr es‐ sur
eof all tires including thespar e
wheel. #
Adjus tth etir epr essur eas neces sary. The
temp eratur egr ades areA (the highes t),B
and C.The yre pr esent thetir e's resis tance tothe
ge ner ation ofhea tand itsability todissipat e
heat when tested under controlled conditions on
a specif iedindoor laborator yte st wheel. Sus‐
ta ined hightemp eratur ecan cause themat erial
of thetir eto deg ener ateand reduce tirelife, and
exc essiv ete mp eratur ecan lead tosudden tire
fa ilur e.Grade Ccor responds toaleve lof per‐
fo rm anc ewhic hall passe nger car tires mus t
mee tunde rth eFe der alMo torSaf etySt andar d
No. 109. Grade sB and Arepr esent higher leve ls
of per form anc eon thelabor ator yte st wheel
th an theminimum requ ired bylaw. DO
T,Tire Iden tificat ionNumbe r(TI N) US
tirere gulations stipulat eth at eve rytire man‐
uf actu reror retrea de rmu stimprint aTIN inor
on theside wallof eac htir epr oduced. Wheels
andtires 52
7

Inf
ormation oncoolant isavailable atthefo l‐
lo wing locations:
R IntheMer cedes- BenzSpecif ication sfo r
Oper ating Fluids 310.1:
- Athttps: //bevo.mer cedes-b enz.com
- IntheMer cedes- BenzBeVoapp
R Ataqu alif ied spec ialistwo rkshop *
NO
TEOverhea ting athigh outsid ete m‐
per atur es If
an inapp ropr iat ecoolant isused, the
engine cooling system isno tsuf ficie ntlypr o‐
te cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. #
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop. The
propor tionofcor rosion inhibit or/antifr eeze
concen trat ein theengine cooling system should
be:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49 °F(-45 °C))
Co olant capacity Mode
lC apacity
GL S450 4MATIC 20.0USqt
(1 8.9 liter s)
GL S580 4MATIC 16.6 US qt
(1 5.7 lite rs) Mer
cede s‑Maybac hC apacity
Mer cedes -Maybach
GL S60 04MA TIC 20
.0US qt
(1 8. 9liter s) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page55 4). &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highly
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. *
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. Te
ch nica lda ta 559

Ve
hicl e Dis
playmessag es
Possible causes/conseq uencesand0050 0050
Solutions
Update Successfully Com-
pleted *I
nstallation ofthesof twareupdat ehas been success fullycompleted(/ page37 7).
Up dat eFa iledSoftw are
Re mai nsUncha nged *A
ner ro roccur reddur ing theins tallation ofthesof twareupdat e(/ page37 7).
Th epr ev ious softwareve rsion remains inpla ce.
Upda teFail ed *A
ner ro roccur reddur ing theins tallation ofthesof twareupdat e(/ page37 7).
Ma keaMer cedesme call viatheove rhead control panel (/page44 2).
0072
Vehi cleRea dytoDrive
Switch theIgnitio nOff
Before Exiting *Y
ouarelea ving theve hicle when itis in are ady -to- dr ive st at e. #
When youlea vetheve hicle, switchof fth eignition ,secur eth eve hicle agains tro lling away and taketh eSmar t‐
Ke ywit hyo u. #
Ifyo udo notlea vetheve hicle, switchof fth eelectr icalconsumer s,e.g. theseat heating. Other wise, the12 V
batt eryma ydisc hargeand itwill then be possible tostar tth eve hicle onlywit hth eaid ofasecon dbatt ery
(s ta rting assis tance) .
Ru nning BoardsNot Retrac -
ted PayAttentio nto
Excess Width ofVeh icle *M
ercedes- Maybac hve hicles: theru nning boards areno tre tract ed.
R The running boards canberetract edvia themultimedia system onlywhen theve hicle isstatio nary
(/ page79).
R The running boards andtheside skirtmus tbe free ofdir t,ice and snow.Other wise, they areunabl eto retract. #
Clea nth eru nning boards (/page 490). 57
6
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
St op Vehicle LeaveEngine
Running WaitTransmission
Cooling *T
hetransmission isove rheating. Pullingaway ma ybe temp orarily im pair edornotpossible. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away.
Auxi liar yBatte ryMa lfunc-
tio n *T
heauxilia rybatt eryfo rth etra nsmiss ionisno long erbeing charge d. #
Consult aqu alif ied spec ialistwo rkshop. #
Untilthen, alwaysselect parkposition 005Dmanually beforeyo uswit choffth eengine. #
Beforelea ving theve hicle, apply theelectr icpar king brak e. 586
Displa ymessag esand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
No teson flat tires (/ page49 4). #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir es.
Tires Overheat ed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. #
Drive mor eslow ly.
Decre aseSpe ed *A
tle as tone tireisov erheating. Theaffect ed tires aredispl ayed inred. At temp eratur esclose tothelimit value, the
tir es aredisp laye din yello w. &
WARNIN GRisk ofan acci dent from drivi ng with ove rheat edtires
Ov erheat edtires ma ybur st,par ticular lyat high speeds. #
Reduce speed sothat thetir es cool down. #
Reduce speed sothat thetir es cool down. Ti
re pres sur elo ss wa rning system Displa
ymess ages
Possible causes/conseq uencesand0050 0050
Solutions
Check TirePressure Soon *C
anada only: Dis
play messa gesand warning/ indic ator lam ps 61
7

St
or ing aspeed .............................. ..... 232
Switc hingoff.................................... ... 232
Switc hingon....................................... 232
Sy stem limit ations ........................... ....2 31
Cup holder................................................ 143
Re ar passe nger com partment .....1 29,144
Swi tching thecooling/ heatingfunc‐
tion on/off.......................................... 144
Using (cockpit) .................................... 143
Cush ionba g................................................ 42
Cus tomer Assist ance Center (CAC ).........2 9
Cus tomer Relat ions Depar tment .............2 9 D
Dam agede tection (parked vehicl e)...... .2 17
Dash board
see Cockpit
Dashboar dlighting
see Instrument clusterlig hting
Dashc am
Conf iguring these ttings ......................4 20
Dele tingavide ore cor ding <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 420
No tes ................................................... 418 Sel
ecting aUSB device <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 419
St artin g/s topping videorecor ding ....... 419
Data acquisition
Ve hicle ............................................. ..... 30
Data impor t/expor t................................. 376
Fu nctio n/no tes .................................... 376
Im por ting/e xporting ............................ 376
Data storage
Ele ctroni ccontr oluni ts ............. ............ 30
Onl ine services ............. ......................... 32
Ve hicle ............................................. ..... 30
Dat e
Se ttin gth etime anddateaut omati‐
call y................................................ ..... 370
Da ytim eru nning lampmode
see Daytime running lights
Da ytime running lights ........................... 159
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 159
Deact ivat ing theala rm (ATA ).................... 98
Dealer ship
see Qualif iedspec ialistwo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s......... .......2 7 Decor
ative fo il(cleaning instructions)
.. .................................................................4 88
De finitions (tiresand loading) ................5 31
Design s
Men u(on -boar dco mp uter) .................. 304
Des tination .............................................. 404
Ed iting intermed iatedes tinatio ns........ 394
Ed iting thepr ev ious destination s........ 404
Ex tern al ...............................................4 05
Quic k-acc ess todes tination informa‐
tion ...................................................... 402
Sa ving (current vehicle position) ......... 404
Sa ving asglobal favo rite <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 404
De stinat ionentr y.................................... 382
En tering a3 wo rdaddr ess ...................3 87
Ent ering aPOI oraddress ............ ........382
Ent ering anintermed iate des tination ...3 94
Ent ering geo-coor dinates..................... 387
No tes .................................................. 382
Selecting acont act.............................. 387
Selecting aPOI .................................... 385
Selecting are cei veddes tination .........3 89
Selecti ngfrom favo rite s ......................3 89
Selecti ngfrom themap ....................... 388 64
4
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Head-up
Display...... .................................313
Ad jus ting disp lay el eme nts(on-bo ard
com puter) ..... ................ .................. ..... 313
Ad jus ting thebr ightn ess(on-boar d
com puter) ............... ........................ ..... 313
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>314
Menu (on-boar dcom puter) .................. 313
Oper ating thememor yfunc tion ........... 122
Se tting theposition (on-boar dcom‐
put er) ................................................... 313
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 315
Headlin er(car e)...... .................................492
Heating see Climat econtr ol
High beam
Switc hingon/of f...... ........................ ... 156
HIGH RANGE
Shif ting .......................................... ...... 205
High-be amflasher ................................... 156
High-be amheadlam ps
Ad aptiveHig hbeam Assis t...................1 58
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 248 HOLD
functio n...... ................................... 249
Fu nctio n/no tes ................................... 249
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 249
Home screen (media display)
Ov ervie w ...... .................................... ... 336
Hood Opening/clo sing.................................. 477
Ho tspo t
Se tting up(Wi-Fi) .................................373 I
Iden tificat ionplate
Engi ne............. .................................... 552
Re frig er ant .......................................... 560
Ve hicle ............................................. ... 552
Ignition Switc hingon(Start/S topbutt on) ........ 181
Ignit ionkey
see Smar tKey
Imm obiliz er................................................ 97
Indi catorlam ps
see Warning/ indic ator lam ps Individ
ualdrive pr og ram
Con figur ing .......................................... 198
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 198
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
see Instrument Display
Ins trument clusterlighti ng............. .......307
In stru men tDi spl ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 301
Ad jus ting thelighting ........................... 307
Fu nctio n/no tes ................................... 301
Ins trument cluster ..... ............................ 10
Wa rning/ indic ator lam ps.....................6 21
Int ellig entLight System
Ad aptiveHig hbeam Assis t...................1 58
Cor nering light function .......................158
Int erior ligh ting........................................ 160
Ambi entlighti ng<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .............160
Re adin glight ........................................ 160
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 160
Swi tch-of fdel aytim e........... ................161 65
4
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