2020 MERCEDES-BENZ GLS SUV roof

Ensu
rethefo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly filled.
St arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. #
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated. R
The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
of f.
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand slidin gsun roof areclosed. #
Startth eve hicle using thesmar tphon e.
Af tereve ryvehicle star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. The vehicle mustbe star‐
te donc ewit hth eSmar tKey bef oretrying to
st ar tth eve hicle again withth esmar tphon e.you
can stop theve hicle again atanytime.
% Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s. or #
Open aside windo wor thesliding sunroof. Br
eaking-in notes To
preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R Drive at varying road spee dsand engine
spee ds.
R Drive th eve hicle indrive pr ogr am A
or ;.
R Shif tto thene xt highes tge ar attheve ry lat‐
es twhen theneedle reac hes thelas tth ird
bef oreth ere dar ea intheta ch ome ter.
R Donotshi ftdo wn age ar man uallyin order to
br ak e.
R Avoid overstrai ning theve hicle, e.g.driving at
full thro ttle .
R Donotde press theaccelera torpeda lpas t
th epr essur epoint (kickdo wn).
R Onlyincr ease theengine speedgradually and
accelera tetheve hicle tofull spee daf te r
1, 000 miles(1 ,500 km). 18
4
Driving and parking

#
Bring theve hicle toast ands tillby appl ying
th ebr ak epedal. #
Onuphill ordownhill gradients, turnth efront
wheels sothat theve hicle rolls towa rdsth e
curb ifit star ts mo ving. #
App lytheelectr icpar king brak e. #
Engage trans missi on positio n005D inast atio n‐
ar yve hicle withth ebr ak epedal applied
(/ page200). #
Switc hof fth eengine andtheignition by
pr essing button1. #
Release theser vice brak eslo wly. #
Getout oftheve hicle andlockit.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thepanor amic
sliding sunroofforapp roxima tely five
minut esifth edr iver's door isclosed.
% When youpar kth eve hicle, youcan still
opera tetheside windo wsand thesliding
sunr oofforapp roxima tely five minut esifth e
dr iver's door isclosed. Gar
agedoor opener Pr
og rammin gbutt onsfo rthe garage doo r
ope ner &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofinju rywhen opening
or clos ingadoor withth ega rage door
opener
When youoper ateor program thedoor with
th eint egr ated garage door opener ,people in
th era ng eof mo vement ofthedoor may
become trapped orstru ck bythedoor . #
When usingtheint egr ated garage door
opener ,alw aysmak esur eth at nobody
is wit hin thera ng eof mo vement ofthe
door . Onl
yoper ateth efo llo wing doorsusing the
ga rage door opener :
R Door swit hasaf etyst op and reve rsing fea‐
tur e
R Doorswhic hcon form tothecur rent U.S.
sa fety standar ds
Re quirement s:
R The vehicle hasbeen parkedoutside the
ga rage oroutside thera ng eof mo vement of
th edoor .
R The engine isswitc hedoff.
R The ignition isswitc hedon.
% The garage door opener function isalw ays
av ailable whentheignition isswitc hedon. 21
0
Driving and parking

If
atime zone issetth etime issetaut omaticall y
using thetime zone.The time canbeadjus tedby
a max imum ofplus ormin us60 min utes. #
Adjus tth etime using theslide control.
Se tting theda te #
Select Set Date . #
Seta da te.
% Invehicles withGPS, adat ecanno tbe set
eve nwi th act ive man ualtimeadjus tment s.
The dateis then setaut omaticall yth ro ugh
th eselect edtime zone. Switc
hingvoice amplif ication tothere ar
on/ off(v ehic leswith long wheelbase) Re
quirement s:
R Your vehicle iseq uipped withth eBur mes ter®
sur round soun dsy stem ortheBur mes ter®
high-end 3Dsurround soun dsy stem.
R The ignition isswitc hedon.
R Door s,side windo wsand thepanor amaroof
wit hpo we rtilt/sli dingpanel areclosed . R
Atleas tone seat beltisfastened onthere ar
ben chseat.
Multimedia system:
4 © 5
Set ting s5
System 5
Audio
5 Voice Amplific ation
The func tion suppor tscomm unication between
th edr iver and front passeng erwit hpasseng ers
in there ar com partment .When voice amplif ica‐
tion tothere ar isact ivat ed, thesignals picked
up bythemicr ophone aream plif ied and played
bac kove rth espeak ersin there ar com partment ,
depen dingupon vehicle noise leve ls. An auto‐
matic adjustment occursbased onspeak ervol‐
ume andambien tnois ein order toimprov e
speec hint elligi bility andmaint ainthenatura l‐
ness ofspeec h. #
Activateor deacti vate thefunc tion.
Se tting theint ensit yof thevo ice amplif ica‐
tion #
Selec tVoice Amplificat ion-Int ensit y. #
Setth eint ensit yon thecon trol.
Depen dingontheint ensit yse t,th evo ice
am plif icat ion tothere ar isinc reased or
re duced. Blue
tooth® Inf
orma tion abou tBlu etoo th®
Bl ue tooth®
tech nol ogy isast andar dfo rshor t-
ra ng ewi reless datatransf erup toappr oximat ely
32. 8ft (10 m).
Yo ucan useBlue tooth®
to connect your mob ile
phon eto themultimedia system and usethefo l‐
lo wing functions,forex am ple:
R Han ds-free system withaccess tothefo llo w‐
ing option s:
- con tacts (/ page 429)
- call lists (/ page432)
R Interne tconnection (/page44 9)
R List ening tomusi cvia Blue tooth®
audio
(/ page46 0)
R Trans ferring busine sscar ds(vCar ds)intoth e
ve hicle MBUX
multimedia system 37
1

Ke
eping theair -water duct free #
Keep thear ea between thehood andthe
winds hieldfree ofdepos its,e.g .ice, snow
and leaves. Cleani
ngand care Inf
ormat iononwashing theve hicl ein acar
wa sh &
WARNIN GRisk ofacci dent dueto
re duced braking effect afte rwa shing the
ve hicle
The braking effect isreduced afte rwa shing
th eve hicle. #
Afterth eve hicle hasbeen washed,
br ak ecar efully whilepaying attention to
th etraf fic condi tions untilth ebr aking
ef fect hasbee nful lyrestor ed. *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cand the
HOLD functio nar edea ctivated.
R The 360° Camer aor there ar vie wcam erais
swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The outsid emir rors arefo lded in.
R The blowerfo rth eve ntil ation/he ating is
sw itched off. R
The windsh ield wipe rsw itchis in po sitio n
005A.
R The Sma rtKe yis at amin imum distance of
10 ft(3 m) away from theve hicle, other wise
th eta ilg atecould openunintentio nally.
R Incar washes withacon veyo rsy stem: neu‐
tra l005C iseng aged.
% Drive st ra ight andinthecent eroftheguide
ra ils ofthecar wash topreve ntdama geto
th etir es and rims.
% Incar washes withacon veyo rsy stem: ifyo u
wo uld liketo lea vetheve hicle while itis
being washed, makesur eth eSmar tKey is
locat edintheve hicle. Theparkposition 005D
is other wise automaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise.
Au tomatic carwa sh mode
In car wash mode, theve hicle isprepar edfor
dr iving intoth eaut omatic carwash. Car wash Maint
enance andcare483

1
Front roof area
2 Rear roof area
3 Rear fende rs
On vehicles withapanor amicsliding sunroof,
ins talling anant enn ato thefront orrear roof
ar ea isno tper mitt ed. On
there ar fende rs,it is recomme ndedthat you
ins tallth eant enn aon theside oftheve hicle
closes tto thecent erofthero ad.
Use Tech nica lSpe cifica tionISO/T S21 609 (Road
Ve hicles –"EMCs forins tallation ofafte rm arke t
ra dio freq uency transmit tingeq uipment ")when
re trof itti ng two-w ayradios. Complywithth e
leg alrequ iremen tsforde tach able parts.
If yo ur vehicle hasinstalling fortw o-w ayradio
eq uipment ,use thepo we rsupp lyand antenn a
con nectors prov ided inthepr e-ins tallation .Be
sur eto obser vethemanuf acturer'ssupplement s
when installing.
Tw o-w ayradio transmi ssion output
The maxi mum transm ission outpu t(PEAK) atthe
base oftheant enn amus tno texc eed theva lues
in thefo llo wing table. Fr
eq uency bandandmaxim um transm ission
out put Fr
eq uency band Maximumtransm is‐
sion output
Sho rtwa ve
3 -54 MHz (1
00 W)
4 m freq uency band
74 -88 MHz (30
W)
2 m frequency band
14 4-17 4MHz (50
W)
tr unk edradio sys‐
te m/T etra
380 -460 MHz (1
0 W)
70 cm freq uency
band
420 -450 MHz (35
W)
Tw o-w ayradio
(2G/3G/ 4G) (1
0 W) Te
ch nica lda ta 55
1

Ro
ofload All
mod els
Maxim umroof load 220lb(100 kg) Ru
nning board All
models
Maximum load 440lb (200 kg) Of
f-road driving Fo
rding dep th
* NO
TEDama gecau sed bywaterwhen
fo rd ing Wa
tercan entertheengine compartmen t
and vehicle interior if:
R youexc eed themaximum permissible
fo rd ing dep thwhen drivin gth ro ugh stand‐
ing water
R abo wwav efo rm sdur ing ford ing R
wateraccumu lates dur ing ford ing offlow ‐
ing water #
Donotexc eed themaximum permissi‐
ble ford ing dep thand drive slo wly
th ro ugh thewa ter. The
specif iedvalue indic ates themaximum per‐
missible ford ing dep thfor:
R Vehicles that arere ady todrive
R Slowdriving thro ugh standi ngwater
Dr iving thro ugh flow ing waterre duces theper‐
missible ford ing dep thdue totheaccumulation
of wa ter.
Obser vetheno teson off-r oad driving andford ‐
ing (/ page18 9). Model
1 1
Fording
dep th
Ve hicl eswith AIRMA TIC
Ra ised leve l1 9.7in(50 cm)
Ve hicl eswith Off-road
pac kage
Of f-road leve l11 9.7in(50 cm) Te
ch nica lda ta 563

Decl
arati on ofconf ormity (wirel ess
ve hicle component s)........................ ..... 27
EQ boost............ ................................... 25
Inf orma tion............ ........................ ........25
Ope ratin gsy stem
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ................................. 23
Oper ator's Manual (digital) ......................2 0
Op timiz edacceler ation........................... 185
Ac tivati ng ........... ................................. 185
Ov erhead controlpanel
Ov ervie w .................. ........................ ...... 12 P
Pa int code ................................................ 552
Pa intw ork(cleaning instructions) .........4 87
Pa nel heating
Se tting .................. ........................... ....1 18
Pa nic alar m............... ................................. 70
Ac tivati ng/d eactiv ating ........... ..............70 Pa
nor amic roof
Ad jus ting thero ller sunblin d.......... ........ 96
Opera tingth ero ller sunblin d.......... .......9 5
Pa nor amic sliding sunroof
see Sliding sunroof
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............200
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 200
Pa rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C<0011001100110011001100110011001100110011001100110011001100110011
00110011> 269
Ac tivati ng ........... ................................. 273
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 274
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>269
Pr ob lems <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>271
Sid eim pa ct protect ion ..................... ... 272
Swi tching off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 273
Sy stem limit ations ........................... ....2 69
Pa rking assis tance systems
see ActivePa rking Assist Pa
rking brak e
see Elec tric par kingbr ak e
Pa rking foran extended period .............. 217
Pa rking light s...........................................1 55
Pa rking options
see Parking service
Pa rking posit ion
Ex terior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 168
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar .........................................1 69
Pa rking service ........................................ 417
No tes ................................................... 417
Sel ecting parking option s.................... 417
Sho wing apa rking option onthe
map ..................................................... 418
PA RK TRONI C
Ma lfunction <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .............271
PA SSEN GERAIRBAGstatus displa y
see Automatic front pass engerfront
airb agshut off
Pa yload
Calculat ionexam ple ............................ 524 662
Inde x

St
artin gth eve hicle ............................. 184
Re por ting safetydef ects .......................... 29
Re scue card............................................... 30
Re ser ve
Fu el ..................................................... 556
Re setfunction (multimedia system) .....3 79
Re sidual heat...........................................1 75
Re ar passe nger com partment .............. 175
Re stor ing (fact oryse ttings)
see Resetfunction (multimedia system)
Re stra int system .......................................3 5
Basi cins tructi ons forch ildr en ...............5 1
Fu nctio nin an acci dent <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 36
Fu nctio nality <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>36
Ma lfunctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>36
Pr otect ion ....................................... .......3 5
Re duced protect ion ...............................3 5
Sel f-tes t<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 36
Wa rning lam p.................................. ...... 36
Re versege ar
Inser ting..............................................200
Rims (Care) ....... ....................................... 490 RO
AD SUR FACE SCAN
Mult ifunction cam era ...................... .... 263
Ro adside Assistan ce(breakdo wn)...........24
Ro llaw ay protection
see HOL Dfun ction
Ro ller sunblind
Pa nor amicroof ...................................... 95
Side windo ws(elect ric) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 94
Ro ofcar rier
At tach ing .............................................1 42
Load ing....... ................................... ...... 142
Ro ofload .................................................. 562
Ro ofload display
In fo rm atio n.................................... ...... 197
Ro ute ...... .......................................... 390,395
Ac cep ting ade tour recomme ndation
af te ra pr om pt <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 392
Ac tivati ng acomm uter route .......... .....3 96
Alt ernativ ero ute(q uic k-acc ess) .......... 402
Calculat ing.......................................... 390
Dis playing destinatio ninf ormat ion ...... 394
Dis playing thero utelis t.......................3 95
Editing ast or ed route .................... ...... 398 Ex
tern al ...............................................4 05
Pla nning .............................................. 394
Re cor ding aro ute ................................ 397
Sa vin gare cor ded route ...................... 398
Sel ect ing atyp e...................................3 91
Sel ecting analte rn ativ ero ute .............3 95
Selecti ngnotificati ons .........................393
Selecti ngoptions ................................ 392
Sho wing ast or ed routeon themap ..... 397
St artin gasa ve dro ute .........................3 97
St artin gth eaut omatic service sta‐
tio nsear ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 397
Swi tching theaut omatic gasst atio n
sear chon/of f...................................... 396
Wi th intermediat edes tination s...........3 95
Ro uteguidanc e...... ................................. 398
Ca nceling ............................................403
Cha nging direction .............................. 399
Des tination reac hed ............................ 402
Fr ee wa yin fo rm atio n............................ 401
Fr om anoff-r oad location .................... 404
Lane recomme ndations <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 400
No tes .................................................. 398
Of f-road ............................................... 404
To an off-ro ad des tinatio n...................4 04 Inde
x665