2021 MERCEDES-BENZ GLS SUV ABS

1
003E003D Turn signal light →
144
2 0075 Restra int system →
462
3 00BB ESP®
OFF →
470
00E5 ESP®
→
470
4 005E Rear foglam p →
144
5 0057 Highbeam →
144
0058 Lowbeam →
143
0060 Parking lam ps →
143
6 ÿ Coolan tte mp eratur e →
464
7 Coolant temp eratur edispla y →
275
8 0024 Electricpa rking brak e(yello w) →
467
9 003D Electrical malfun ction →
464
A L Distance warning →
469
B 0025 ABS →
470
C Ù Electricpo we rst eer ing →
463 D
0077 Tire pressur emonit or →
472
E 00B6 Reser vefuel withfuel filler flap locatio n
ind icat or →
464
F Fuelleve l →
275
G Electricpa rking brak e(red) →
467
0049 USAonl y
0024 Canada only
H Brak es(red) →
467
0027 USAonl y
004D Canada only
I 00E9 Seatbelt →
462
J 00B9 CheckEn gine →
464
K ä Suspen sion(red) →
469
ä Suspen sion(yello w) →
469 At
aglanc e– Indicat orand warning lam ps 11

&
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, inpar ticular . #
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

#
Ifth er eis damag e,con sult aqu alif ied
spec ialistwo rkshop immediat ely. +
ENVIR
ONMENT ALNOTEEnvironme ntal
da ma gedue tonon-ob servance ofpro‐
hi bi tio nsigns En
vironme ntal protect ion has prior ity.Tr eat
natur ewit hre spect. #
Besureto obser veprohibition signs. Chec
klistbef oredr iving off-r oad
Chec kth efo llo wing pointsbef oredr ivin gof f-
ro ad:
R Fuelleve l
R Engi neoille ve l:fill engin eoil tothemaxi‐
mum leve lto ensur efull gradeability
(/ page32 4).
R Tire -cha ngeto ol kit and spar ewheel
R Tire sand wheels
% Further information aboutspecial all-terrain
tir es forre trof itti ng can beobtained from a
qu alif ied spec ialistwo rkshop. Of
f-road driving
Re ad this sect ionbeforedr ivin gyo ur vehicle off-
ro ad. Pract ice bydriving overmor ege ntle off-
ro ad terrain firs t.
R Observeth eno teson thecr oss-c ountr yABS
(/ page203).
R Ifneces sary,select theF orG drive
pr ogr am (vehicles withan Off-road package )
bef oredr iving off-r oad (/page18 4).
R Beforedr ivi ng off-r oa d, shi ftthetransf er
case totheLOW RANGEoff-r oa dge ar (vehi‐
cle swit han Offroad package )(/ page19 0).
R Select ave hicle leve lsuit able forof f-r oad ter‐
ra in (/ page23 1). Toavo iddamagin gth e
ve hicle, makesur eth er eis alw ayssuf ficie nt
gr ou nd clearance .
R Alw ayske ep theengine running andingear
when drivin gon downh illgradien tsand
slope s.Obse rveth eno teson driving in
mount ainous terrain.
R Donotdr ive on unk nown terrain that isno t
easil yvisi ble and stay on mar kedro utes. R
Alw ayske ep thedoor sand windo wsclos ed
whi letheve hicle isin mo tion.
R Deactiv ateAc tiveDis tance AssistDIS TRONI C
and cruise contr ol.
R Adaptyo ur drivin gst yle to thete rrain.
R Donotuse theHOLD function onsteep
do wnhill oruphill gradients withslipper yor
loose surfaces.
Dr ivi ng on sand
Whe ndr ivi ng on sand ,al so obs erve thefo llo wing
ins truct ions :
R Selec tth eF drive pr og ram.
R Select ahighe rve hicle leve l.
R Shif tto alowe rge ar.
R Drive qu ickl yto ove rcome thero lling resis t‐
ance, other wise theve hicle maydig itself in.
R Drive in thetrac ks ofother vehicles ifpossi‐
ble. Makesur eth at thefo llo wing prereq ui‐
sit es areme t:
- thetir eru ts areno tto odeep
- thesand isfirm enough Dr
iving andparking 17
7

Glide
mode functio n Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
Wi th an ant icip ator ydr ivin gst yle, Glide mode
helps youto reduce fuelconsum ption.
Glide mode isch aract erize dby thefo llo wing:
R The com bustion engin eis disco nnect edfrom
th edr ivet ra in and continues torunin neu tral .
R The trans mis sion positio ndispl ay005B is
sho wningreen.
R Vehicl eswith 48Von-b oardele ctrical
sy stem (EQ-B oostte ch nology): thecom‐
bus tion engine canbeswitc hedoff.All ofthe
ve hicle functionsremain active.
Gli de mode isactiv ated ifth efo llo wing condi‐
tion sar eme t:
R Mer cede s-Maybac hve hicl es:drive pr o‐
gr am £ issele cted.
R Allother models :dr ive pr ogr am ; is
sele cted.
R The spee dis wit hin asui table rang e. R
The road's courseissuit able, e.g.no steep
uphill ordownhill inclinesortight curves.
R Ther eis no traile rcoupled tothetra iler hitch,
and nobicy clerack installed.
R Youdo notdepr esstheaccelera toror brak e
peda l(e xc ep tfo rlig ht brak eapp lications).
% Glide mode canalsobe activ ated ifyo uha ve
select edthe"Eco" setting forth edr ive in the
dr ive pr og ram =.
Gli de mode isdea ctivated again ifone ofthe
condi tions isno long erme t.
Gl ide mod ecan also be preve nted bythefo llo w‐
ing parame ters:
R Incline
R Downhill gradi ent
R Temp eratur e
R Height
R Speed
R Oper ating status oftheengine
R Traf fic situ ation Tr
ansf ercase Fu
nction ofthetransf ercase &
WARNIN GRisk ofskid ding and having
an acci dent whenin LO WRANGE onslip‐
per yro ad sur faces
The wheelscan bloc kand thus lose traction
on slipp eryro ad sur faces, particular lyin the
fo llo wing situat ions:
R ifyo ure lease theaccelera torpeda lwhen
th eve hicle isin mo tion.
R ifof f-r oad ABS interve nes when braki ng. #
Neversele cttheLO WRANGE off-r oad
ge ar when drivin gon slippe ryroad sur‐
fa ces. &
WARNIN GRisk ofacci dent whenth e
tr ans fercase isin neutr alposi tion
The vehicle mayro llaw ay unin tentio nallyif
yo udo notwa itunt ilth etransf ercase shift
oper ation iscom plete. Dr
iving and parking 18
9

4
Ultrasonic sensors
5 Rear vie wcam era
% Depen dingon theve hicle's equipment, the
ra dar sensor sar eint egratedbehind the
bum persand/or behindthera diat orgrill.
Some driving anddriving safetysy stems use
camer asaswellas radar orultr asonic sensors
to monit orthear ea infront of,behind ornext to
th eve hicle.
Ke ep thear eas around thesensor sand camer as
fr ee ofdir t,ice orslush (/page332). Thecam‐
er as and sensor smus tno tbe covered, forex am‐
ple bybicy clerack s, overhanging loads,sticke rs,
fo ilor foils toprotect agains tst one chipping .
Ad dition allicense platebr ac kets can impai rth e
function oftheultr asonic sensors,in par ticular .
In theeve ntofdama georase vere impact inthe
ar ea ofthesensor s,ha ve thefunc tion ofthe
sensor sch eckedat aqu alif ied spec ialistwo rk‐
shop. Have damag eor stone chipping inthear ea
of thecamer asrepair edataqu alif ied spec ialist wo
rkshop. Ifth esensor sor camer asaredam‐
ag ed, some driving systems anddriving safety
sy stems mayno long erfunc tion proper ly. Ov
ervie wof driving systems anddriving
saf etysy stems R
ABS(Ant i-lockBra king System)
(/ page203)
R Off-road ABS (/page203)
R BAS(Bra keAssis tSyst em) (/page203)
R ESP®
(Elect ronic Stability Program)
(/ page203)
R ESP ®
Cr osswind Assist(/ page206)
R ESP ®
trailer stabiliz ation(/ page20 6)
R EBD(Elect ronic Brakeforc eDis tribution)
(/ page20 7)
R STEER CONTR OL(/ page 207)
R ActiveBr ak eAssi st(/ pag e20 7)1
R Cruise control (/ page21 2) R
DSR (Dow nhillSpe edRegulatio n)
(/ page 214)
R ActiveDis tance AssistDIS TRONI C
(/ page 216)1
R ActiveSpe edLimi tAssi st(/ pag e220) 2
R Route-based speedadap tatio n
(/ page 221)2
R ActiveSt eer ing Assis t(/ page222) 2
R ActiveLa ne Chang eAssi st(/ pag e22 4)2
R ActiveEmerg encyStop Assis t(/ page226) 2
R ActiveTr af fic Ja m Assi st(/ pag e22 7)2
R Hill StartAs sis t(/ page22 7)
R HOL Dfun ction (/ page22 8)
R AIRMA TIC(/ page22 9)
R E-AC TIVE BODY CONTR OL(/ page236)
R Parking AssistPA RK TRONI C(/ page24 4)
R Rear vie wcam era(/ page24 9)
R Surround viewcam era(/ page25 2)
1 This function includes subfunctions whic har eon lyavailable incon junction withth eDr iving Assistance Packag e.
2 This function iscoun try- dependen tand onlyav ailable incon junction withth eDr iving Assistance Packag e. 202
Drivin gand parking

R
ActivePa rking Assist(/ page255 )
R ATTENTION ASSIST(/ page26 1)
R Traf fic Sign Assist(/ pag e262) 1
R Blind SpotAssis tand ActiveBli nd Spo tAssi st
wit hex itwa rning (/ page26 4)1
R ActiveLa ne Keeping Assist(/ page26 7)3 Fu
nction ofABS The
Anti-loc kBr ak eSy stem (ABS )re gulat esthe
br ak epr essur ein critical driving situation s:
R Dur ing braking, e.g.atfull brak eapplication
or insuf ficie nttiretracti on, thewheels are
pr ev ent edfrom locking .
R Vehicle steer ability whilebraking isensur ed.
If ABS interve nes when braki ng, youwill feel a
pulsing inthebr ak epedal. Thepulsating brak e
pedal canbeanindicat ionofhazar dous road
con dition sand canserveas are minder totake
ex tra car ewh ile dr ivi ng. Fu
nctions ofOff-road ABS %
Off-road ABS isactiv ated aut omaticall ywhen
yo usele cttheF orG drive pr ogr am.
Of f-road ABS isspeciall yadap tedfo rdr iving off-
ro ad:
R The fron twheels lockcy clic allydur ing brak‐
ing .
R The brakin gdis tance issho rtened duetothe
digging- ineffect.
Sy stem limit s
R Off-ro ad ABSfun ction sat spee dsbelo w
25 mph(40 km/h).
R IfOf f-road ABS interve nes, theability tosteer
ma ybe restrict ed. Fu
nction ofBA S The
Brak eAssis tSy stem (BAS )suppor tsyour
eme rgency braking situation withadditional
br ak efo rc e. If
yo udepr essthebr ak epedal quickl y, BA Sis
acti vated:
R BASau tomatical lyboos tsthebr ak epr es‐
sur e.
R BAScan shorten thebr aking distance.
R ABS preve nts thewheels from locking .
The brak es will func tion asusual onceyo u
re lease thebr ak epedal. BASis dea ctivated. Fu
nctions ofESP ® &
WARNIN GRisk ofskid ding ifESP ®
is
dea ctivated
If yo udeac tivateES P®
,ES P®
can notcar ry
out vehicle stabiliz ation. #
ESP®
shoul don lybe deactiv ated inthe
fo llo wing situat ions. 1
This function includes subfun ctions whichar eonl yav ailable incon junction withth eDr iving Assistance Packag e.
3 This function includes subfun ction swhic har eonl yav ailable incon junction withth eDr iving Assistance Packag eor onl yav ailable dependingonthecount ry. Dr
iving and parking 203

No
teson cleaning decorativefo ils Obser
vetheno teson matt efinis hcar ein the
ch ap ter"No teson paintw ork/matt efinis hpa int‐
wo rkcar e"(/ page 331). The yal so app lyto
matt edecor ativefo ils.
Obser vetheno teson cleaning decorativefo ils to
av oid vehicle damag e.
Cleaning
R Forclea ning, useplenty ofwa terand amild
clea ning agent without additivesorabr asive
subs tances, e.g.a car shampooappr ovedfo r
Mer cedes-Ben z.
R Remo vedirtimmediat ely, wher eposs ible,
whils tavo iding rubbing toohar d.Ther eis
ot her wise arisk ofdamagi ngthedecor ative
fo ilirre par ably.
R Ifth er eis dir ton thefinis hor ifth edecor a‐
tiv efo ilis dull: usethePa int Cleaner recom‐
mend edand approv ed forMer cedes-Benz.
R Insect remains: soakwithinsect remo verand
ri nse offth etreat edareas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse off
af te rw ards. R
Topreve ntwa terst ains ,dr ya fo il-wr apped
ve hicle withasof t,absorbent clothafte r
eve rycar wash.
Av oiding dama getothedecor ative fo il
R The service life and color ofdecor ativefo ils
ar eim pair edby:
- Sunl ight
- Temp eratur e,e.g. hotair blower
- Weather condition s
- Stone chipping sand dirt
- Chemic alclean ingagent s
- Oilypr oduct s
R Donotuse polish onmatt edecor ativefo il.
Po lishin gwill have theef fect of shi ning the
fo il-wr apped surface.
R Donottr ea tmatt eor stru ctur eddeco rativ e
fo ils wit hwa x.Pe rm anen tst ains mayocc ur.
Sc ratche s,cor rosiv edeposits, areas affect ed by
cor rosion anddamag ecaused byinc orrect car e
canno tal wa ys be com pletely repair ed.Insuc h
cases, visitaqu alif ied spec ialistwo rkshop. Yo
ucan obtain mor einf ormat iononcar eand
cle anin gpr oduc tsfrom themanuf acturer.
In thecase offoil-wr apped surfaces, optica ldi f‐
fe re nces mayoccu rbe twee nth esur faces that
we renotpr otect edbyadec orativ efo ilaf te r
re mo ving adecor ativefo il.
% Have wo rkor repair sto decor ativefo ils car‐
ri ed out ataqu alif ied spec ialistwo rkshop,
e.g. atan aut hor ized Mercedes-Benz Center. No
teson car eof vehicl epar ts &
WARNIN GRisk ofentr apment ifth e
winds hieldwiper sar eswit ched on while
th ewindshield isbeing cleaned
If th ewindshield wipersar ese tin mo tion
while youar ecle anin gth ewindshield or
wiper blades, youcan betrapped bythe
wiper arm. #
Alw aysswitc hof fth ewindshield wipers
and theignition beforecleanin gth e
winds hieldorwiper blades. 332
Maintenanceand care

#
Alw aysha ve wo rkon thebatt erycar ried
out ataqu alif ied spec ialistwo rkshop. R
Further information onABS (/page203)
R Further information onESP ®
(/ page203)
Fo rsaf etyre ason s,Mer cedes-Ben zre comme nds
th at youon lyuse batteries whic hha ve been tes‐
te dand appr ovedfo ryo ur vehicle byMer cedes-
Benz .
All vehicl esexc eptve hicl eswith alithium-
ion batt ery &
WARNIN GRisk ofexplosion duetoelec‐
tr os tatic charge
Ele ctrostatic charge can ignitethehighly
ex plosiv ega smixtur ein thebatt ery. #
Todisc hargeanyelec tros tatic charge
th at ma yha ve built up,touc hth eme tal
ve hicle body beforehandling thebat‐
te ry. The
highly flammab legasmixtur eis creat ed
while thebatt eryis ch argin gand during star tin g
assis tance. &
WARNIN GDang erofchemical burns
fr om thebatt eryacid
Batt eryacid iscaus tic. #
Avoid cont actwithth eskin ,ey es or
clo thing. #
Donotlean overth ebatt ery. #
Donotinh ale ba tter yga ses. #
Keep childr enaway from thebatt ery. #
Immedia tely rinse batter yaci dof fth or‐
oughl ywit hplenty ofclean waterand
seek medica latt ention immediately . All
vehicl es
+ ENVIR
ONMENT ALNOTEEnvironme ntal
da ma gecau sed byimproper disposal of
batt eries Bat
teries con tain polluta nts. Itis
illeg alto dispose ofthem withth ehousehold
ru bbish. #
Dispose
ofbatt eries inan
en vironmen tally re sponsible manner.
Ta ke disc hargedbatt eries toaqu alif ied
spec ialistwo rkshop ortoacol lection
poin tfo rused batteries. If
yo uha ve todiscon nectth e12 Vbatt ery, con‐
ta ct aqu alif ied spec ialistwo rkshop.
Com plywit hsaf etyno tesand take protect ive
measur eswhen handling batteries. 34
4
Brea kdo wnassista nce