2022 MERCEDES-BENZ GLS tow

#
Mak esur eth at cover1 engages inthe
bum perwhen youre mo vetheto wing eye.
* N NO O
TE TE
Damag eto theve hicle duetoincor -
re ct use oftheto wing eyeor trailer hitch When
ato wing eyeor trailer hitchis used to
re co vera ve hicle, theve hicle maybe damag ed
in thepr ocess. #
Onlyuse theto wing eyeor trailer hitchto
to w awa yor tow star tth eve hicle. #
Donotuse theto wing eyeor trailer hitch
to tow theve hicle during reco very. TT
o o
w w
-st -st
ar ar
ting t ting
the v he
vehic le ehic
le VV
ehic leswit ehic
leswithaut h
aut oma tictr oma
tictransm ission ansm
ission
* NO NO
TE TE
Dam ageto theaut omatic transmis-
sion duetotow star tin g The
automati ctransmissi onmaybe damag ed
in thepr ocess oftow star tin gve hicles with
aut omati ctransmi ssion. #
Vehicles withaut omati ctransmi ssion
mus tno tbe tow star ted. #
Vehicles withan aut omati ctransmi ssionmust
no tbe tow- star ted. ElectrElectr
icalfuses ical
fuses NNo o
t t
es on electr es
on electr icalfuses ical
fuses &
W W
ARNIN G ARNIN
GRisk ofaccident andinjurydue
to ove rloaded lines
If yo umanipulat eor bridg eafa ulty fuse orif
yo ure place itwit hafuse withahigher amper -
ag e, theelectr icline could beove rloaded.
This could result ina/r e. #
Alwaysre place faulty fuses withspeci-
/ed newfuses containing thecor rect
am per age. *
N NO O
TE TE
Damag edue toincor rect fuse s Electr
icalcom pone ntsorsystems maybe
damag edbyincor rect fuse s,or their function -
ality maybe sign i/can tly im pair ed. #
Onlyuse fuses that have been approved
by Mer cedes-Be nzand which ha ve the
cor rect fuse rating. Blo
wn fuses mustbereplaced withfuses ofthe
same rating, whichyoucan recogn izebythecolor
and thelabel. Thefuse ratings andfurther infor-
mation tobe obser vedcan befound inthefuse
assignment diagram.
F F
use assignmen tdiag r use
assignmen tdiag ram: am:
onthefuse boxin the
car gocom partmen t(/ page369) .
* NO NO
TE TE
Damag eor malfu nctions caused by
moist ure Mois
turema ycause damag eto theelectr ical
sy stem orcause itto malfun ction. #
When thefuse boxis open, makesur e
th at no mois turecan enterthefuse box. Br
eakdo wnassist ance
367 367

th
e"N ational Tra1c andMotorVe hicle SafetyAc t
of 1966". #
(1): (1):
Locat eth estat ement “The combin ed
we ight ofoccupa ntsand cargoshould never
ex ceed XXXkgorXXX lbs.”on your vehicle' s
placar d. #
(2): (2):
Determ ine thecombined weight ofthe
dr iver and passeng ersth at will beriding in
yo ur vehicle. #
(3): (3):
Subtr act thecombined weight ofthe
dr iver and passeng ersfrom XXX kgorXXX lbs. #
(4): (4):
The result ing /gur eeq uals theav ailabl e
amoun tof car goand luggage load capac ity.
Fo rex am ple, ifth e"XXX" amount equals
1,400 lbs.and ther ewill be/ve150 lbpas-
seng ersin your vehicle, theamount ofavaila-
ble cargoand luggage load capac ityis
650 lbs.(1,400 -750 (5x150) =650 lbs.) #
(5): (5):
Determ ine thecombined weight oflug-
ga ge and cargobein gloaded ontheve hicle.
That weight mayno tsaf elyex ceed theav aila- ble
cargoand luggage load capac itycalcula -
te din Step 4. #
(6): (6):
Ifyo ur vehicle willbetowing atrailer ,load
fr om your trailer willbetransf erredto your
ve hicle. Consult this manual todeterm ine how
th is reduces theav ailabl ecar goand luggage
load capac ityofyour vehicle.
% Notall vehicles areper mitt edtotow atrailer .
To wing atrailer isonl yper mitt edifatrailer -
hitc his ins talled. Please consult anaut hor ized
Mer cedes-Benz dealerifyo uha ve anyqu es-
tions about towing atrailer withyo ur vehicle.
Ev en ifyo uha ve calculat edtheto ta lload carefull y,
yo ushould stillmak esur eth at themaximum per-
missible gross weight andthemaximum gross
axle weight rating ofyour vehicle areno tex cee-
ded. Details can befound ontheve hicle identi/-
cation plate. #
Have your loaded vehicle –incl udin gdr iver ,
occupan tsand load –we ighed onave hicle
we ighbr idge.
The measur edvalues mayno tex ceed the
maximum permissible values stat ed on the
ve hicle identi/cation plate. Fu
rther relat ed subjects:
R Calculation exam ple forde term ining themaxi-
mum load(/page378)
R Tire and Loadi ngInformatio nplacar d
(/ page376)
R Tire pressur eta ble (/ page373)
R Vehicle identi/cation plate(/ page407) Calcul
ationex Calculation
exam am
ple f ple
for det or
deter er
min ingt min
ingthe maximum he
maximum
load load
The
follo wing table showsexam ples ofhowto cal-
culat eto ta land load capac itieswithva rying seat-
ing con/ gurations anddi.er entnumber sand
sizes ofoccupa nts.Thefollo wing exam ples usea
maximum loadof1500 lbs(680 kg).This isf This
isfor or
illu s illu
str tr
atio npur atio
npur poses only. poses
only.Mak esur eyo uar e
using theactual loadlimit foryo ur vehicle stat ed
on your vehicle' sTire and Loadi ngInformatio n
placar d(/ page376).
The highe rth ewe ight ofall theoccupants, the
smaller themaximum loadforlugg age. 378378
Wheels
andtires

#
Uns crew union nut2of/ller hose 1from
th eva lve. #
Screw theva lve cap oftheemer gency spare
wheel ontoth eva lve ag ain. #
Stow /llerhose 1and plug3 inthelowe r
secti onofthetir ein0 ation compressor hous-
ing. #
Stow thetir ein0 ation compressor intheve hi-
cle. Coll
apsibl espar Coll
apsibl espar ewheel e
wheel NNo o
t t
es on t es
on the collap siblespar he
collap siblesparewheel e
wheel &
W W
AR NIN G AR
NIN GRisk ofacciden tcaused by
incor rect wheel andtiredimen sions
The wheel ortiresizes andthetir etype ofthe
emer gency sparewheel orspar ewheel and
th ewheel tobe replaced maydi.er .The emer -
ge ncy sparewheel orspar ewheel cansigni/-
cantl yim pair drivi ng charact eristics ofthe
ve hicle.
To prev ent hazar dous situations: #
Drive car efull y. #
Neverinst allmor eth an one emer gency
spa rewheel orspar ewheel that di.er s
in size . #
Onlyuse anemer gency sparewheel or
spar ewheel brie0y . #
Donotdeacti vate ESP ®
. #
Have theemer gency sparewheel or
spar ewheel ofadi.er entsize replaced
at thenear estquali/ed special istwo rk-
shop. Thenewwheel mustha ve thecor -
re ct dimen sions. The
collapsib lespar ewheel isan emer gency
spa rewheel whichis onl ysuit able foruse fora
limit edper iod oftime andinare str icte dmanner
in theev ent ofa0at tire(e.g. untilthenear est
wo rkshop).
The tireside wallsarefo lded when intranspor t
mode. Beforeuse, thecollapsible sparewheel has
to be in0a tedwit hth eaccom panying compressor .Chec
kth etir epr essur eof thecollapsible spare
wheel onceinstalled. Correct thepr essur eas
necessar y.
The maxim um permis siblespe edwithacol lapsi-
ble sparewheel installed is50 mph(8 0km /h).
Do noteq uip th ecollapsible sparewheel with
sno wch ains.
Re place thecollapsible sparewheel aTersixyears
at thelat est, rega rdless ofwe ar.
% V V
ehicle swit ehicle
swit hatir h
atir epr e
pr essur essur
emoni t e
moni tor or
ing sy ing
sys- s-
t t
em: em:
Ifacollap siblesparewheel isins talled
th etir epr essur emonit oring system canno t
function reliabl y.Fo ra few minut esaTer an
emer gency sparewheel isins talled, thesy s-
te m ma yst ill displa yth etir epr essur eof the
re mo vedwheel. Onlyre star tth esy stem again
when thecollapsible sparewheel hasbeen
re placed withane wwheel.
Be sureto also obser vethefo llo wing further rela-
te dsubjects:
R Noteson tirepr essur e(/ page371)
R Tire pressur eta ble (/ page373) Wheels
andtires
401 401

#
Chang eimmediat elyout ofclo thing that
has come intocont actwithfu el. Fle
xible -fuel vehicles canberefuel edwith thefo l-
lo wing fueltypes:
R Premium grade unleaded gasolin e
R E85 fuel
R Amixtu reofE85 fueland premium grade
unl eaded gasolin e
Fle xible -fuel vehicles canbeidenti/ed bythe
Et Et
hanol upt hanol
upto E85 o
E85 sticke ron theinside ofthefuel
/ller 0ap.
Depending onthecountr y,thefuels youcan use
in your vehicle maydi.er from theinf ormation in
th eOper ator's Manual. Thefuels that have been
appr ovedfo ryo ur vehicle canbefound onthe
inst ruction labelontheinside ofthefuel /ller 0ap. FF
uel uel
NNo o
t t
es on fuel gr es
on fuel grades f ades
for v or
vehicle swit ehicle
swit hag h
agasolin e asolin
e
eng ine eng
ine
Obser vetheno teson oper ating0uids
(/ page408). *
N NO O
TE TE
Damag ecaused bythewr ong fuel Ev
en small amounts ofthewrong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission controlsystem. #
Onlyre fuel with low- sulf urunl eaded fuel.
This fuel ma ycont ainupto10% ethanol byvol-
ume. Your vehicle issuit able foruse withE10
fuel.
Ne verre fuel with one ofthefo llo wing fuels:
R Diesel
R Gasoline withmor eth an 10% ethanol by
vo lume, e.g.E15, E85, E100
R Gasoline withmor eth an 3% methanol by
vo lume, e.g.M15, M30,M85,M100
R Gasoline withadditiv escont aining metal
If yo uha ve acciden tally re fuel edwith the
wr ong fuel: #
Donotswitc hon theignition . #
Consult aqua li/ed specialist workshop. If
th eav ailabl efu el isno tsu1cie ntlylo w in sulf ur,
th is can produce unpleasa ntodor s.
Onl yre fuel with fuel that has atleas tth eoct ane
number speci/ed intheinst ruction labelinthe
fuel /ller 0ap(/ page 199). Thismayre duce
engin eoutput andincrease fuelconsum ption.
If y If
you w ou
want maximum engineoutput ant
maximum engineoutput: :
onl yre fuel
wi th unleaded premium grade gasolin ewit han
oct ane num berofatleas t91 AKI/95 RON.
As ate mp orarymeasur e,ifth ere commen dedfuel
is no tav ailabl e,youma yalso refuel with unleaded
re gula rga solin ewit hat leas t87 AKI/91 RON.
This mayre duce engineoutput andincrease fuel
consum ption.
Ne verre fuel using gasolin ewit han eve nlowe r
RO N.
* NO NO
TE TE
Prema turewe arcaused byunlea-
ded regula rga solin e Un
leade dre gula rga solin ecan cause the
engine towe armor equ ickl yand impair lon-
ge vity and perform ance. 410410
Te
ch nica ldat a

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
T T
o appl y o
appl y: :
#
Switc ho. theve hicle.
The elect ric par king brak ewill beapplied automatical ly.
If yo udo notwa nttheelectr icpar king brak eto be applied, e.g.atan aut omatic carwash orwhen theve hicle isbein g
to we d,lea vetheve hicle switchedon.This does notincl ude havin gth eve hicle towe dwit hth ere ar axle raised.
If th eelectr icpar king brak eis no tapplied automaticall y: #
Switchth eve hicle o.and switc hit bac kon #
Release andthen appl yth eelectr icpar king brak emanuall y(/ page207).
If it is still notpossible toappl yth eelectr icpar king brak e: #
Consult aqua li/ed specialist workshop. #
Wher enece ssary,also secur eth epar kedve hicle agains tro lling away.
T T
o r o
release: elease:
#
Ifth econditions foraut omatic release areful/lled andtheelectr icpar king brak eis no tre leased automatica lly,
re lease theelectr icpar king brak emanuall y(/ page207).
If it is still notpossible torelease theelectr icpar king brak e: #
Donotcontinue driving. Consult aqu ali/ed special istwo rkshop. Displ
aymessag esand warning/in dicatorlam ps
447 447

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons #
Stop theve hicle inaccor dance withth etra1c conditions andrestar tth eve hicle. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop.
Bli nd Spot AssistNot Avail-
ab leWhe nTow ingaTra iler
See Operator'sManua l *W
hen youest ablish theelectr icalconnection tothetrailer ,Blind SpotAssist willbeuna vailable. #
Press theleT-h andTouc hContr oland ackno wledg eth edispla ymessag e.
Active BlindSpotAssist
Curre ntlyUnavail ableSee
Operator's Manual *A
ctiv eBli nd Spo tAssis tis temp orarily una vailable.
The system limits have been reac hed (/page242) .
Once thecause ofthepr oblem isno long erpresent, thesy stem will beavailabl eag ain. #
Drive on
or #
Ifth edispla ymessag edoes notdisappear ,st op theve hicle inaccor dance withth etra1c conditions andrestar t
th eve hicle.
Active Blind Spot Assist
Inop erative *A
ctiveBli nd Spo tAssis tis malfu nctionin g. #
Drive on
or #
Stop theve hicle inaccor dance withth etra1c conditions andrestar tth eve hicle. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop. Displ
aymessag esand warning/in dicatorlam ps
457 457

DisplaDispla
ymessag y
messag es P es
Possible causes/conseq ossible
causes/conseq uencesand uences
and0050 0050
Soluti ons Soluti
ons
Active BlindSpotAsst. Not
Availa bleWhen Towinga
Trai lerSee Opera tor'sMan-
ual *W
hen youest ablish theelectr icalconnection tothetrailer ,Ac tiveBlind SpotAssi stwill beuna vailable. #
Press theleT-h andTouc hContr oland ackno wledg eth edispla ymessag e.
Active LaneKeeping Assist
Curre ntlyUnavail ableSee
Operator's Manual *A
ctiveLane Keeping Assist istemp orarily una vailable.
The ambient conditions areoutside thesy stem limits (/page244).
As soon astheambient conditions arewit hin thesy stem limits, thesy stem will become availabl eag ain. #
Drive on
Active LaneKeeping Assi st
Inop erative *A
ctiveLane Keeping Assist ismalfunctionin g. #
Drive on
or #
Stop theve hicle inaccor dance withth etra1c conditions andrestar tth eve hicle. #
Ifth edispla ymessag edoes notdisappear :consult aqua li/ed specialist workshop. 458458
Displ
aymessag esand warning/in dicatorlam ps

Alar
m Alar
m
see Panic alarm
Alar Alar
msyst m
system em
see ATA (anti-theT alarmsystem)
Al l-w heel dr Al
l-w heel drive iv
e
see 4MATIC
Amb ientlig htin g Amb
ientlig htin g
Se tting (MB UXmult imed iasystem) .........1 54
Andr Andr
oidA oid
Aut o ut
o
see Smar tphone integration
Animal s Animal
s
Pe ts intheve hicle .................................... 69
An ti-loc An
ti-loc kbr k
br aking syst aking
system em
see ABS(An ti-loc kBr aking System)
An ti-skid c An
ti-skid chains hains
see Snow chains
Ant i-t Ant
i-theT heT
prot pr
otection ection
Immobilizer.. ............................................ 93
An ti-t An
ti-theT heT
prot pr
otection ection
see ATA (anti-theT alarmsystem)
An ticipat An
ticipat or or
yoccup antprot y
occu pantpr otection ection
see PRE-S AFE®
(anticipat oryoccu-
pant protection) see
PRE-S AFE®
PL US (anticipat ory
occupant protection plus)
Apple CarPla y Apple
CarPla y® ®
see Smar tphone integration
Assi st Assi
stance syst ance
systems ems
see Driving safetysy stem
ASS YS ASS
YSTPL T
PL US US
Batt erydis conne ctionper iods................ 335
Disp laying theser vice duedate.............. 334
Fu nctio n/no tes... ................................... 334
Re gula rmai ntenanc ewo rk<000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F> 334
Specia lser vice requ irements.. ............... 334
AT ATA A
(ant i-t (a
nt i-the T heT
alar ala
rm syst m
system) em)
Ac tivating/dea ctivating theint erior
mo tion sensor.. ........................................ 96
Ar ming/disar mingtheto w- awa yalar m..... 95
Deac tivating thealar m....... ...................... 94
Fu nctio n.......... ........................................ 94
Int erior motion sens orfuncti <0050004F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F> .95
The tow- awa yalar mfunct ion.................... 94
A A
TT ENTI ONASSIS T TT
ENTI ONASSIS T
Fu nctio n.......... ...................................... 216
Se tting .......... .........................................218
Sy stem limit ations .................................. 216 A A
tt tt
ention assist ention
assistant ant
see ATTEN TIONASSIS T
A A
ut ut
ho r ho
rized Mer ized
Mercedes-Benz Cent ced
es-Benz Center er
see Quali/ed spe cialist workshop
A A
ut ut
hor hor
izedw ize
dwor k or
kshop shop
see Quali /edspecial istwo rkshop
A A
ut ut
omati ccar w omati
ccar wash mode ash
mode
Ac tivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 343
A A
ut ut
oma ticdist oma
ticdist ance contr ance
control ol
see ActiveDist ance AssistDIS TRONI C
A A
ut ut
oma ticdr oma
ticdriving lights iving
lights <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F> 149
A A
ut ut
oma ticengine st oma
ticengine star t ar
t
see ECOstar t/st opfunction
A A
ut ut
oma ticengine st oma
ticengine stop op
see ECOstar t/st opfunction
A A
ut ut
oma ticfr oma
ticfront passeng ont
passeng erairb ag er
airb agshu t shu
to. o.
Fu nctio nof thefront passeng erairbag
shut o.... .......... ........................................ 48
PA SSENGE RAIR BA Gind icat or lamp s...... 49
A A
ut ut
omati cmeasur omati
cmeasur es es
aTer aTer
anacciden t an
acciden t............5 3
A A
ut ut
omatic mirr omatic
mirror f or
folding function olding
function
Ac tivating/dea ctivating <000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F000F
000F000F000F000F000F000F000F000F000F000F> 163 Inde
x
497 497