suspension MERCEDES-BENZ GLS 2021 Owners Manual

dat
ais temp oraryand 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, forex am ple, repair services,
maint enanc epr ocesses ,wa rrant yclaim sand
qu alit yassurance measures. The read out isper‐
fo rm ed via theleg allypr escr 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 faults and improv ing qualit yand
ar etransm itted tothemanuf acturer,if neces ‐
sar y.Fu rther mor e,themanuf acturerissubject
to product liability .Fo rth is, themanuf acturer
re qu 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 iadata suchas music ,fi lms orpho‐
to sfo rpla yba ckinan integratedmultimedia
sy stem
R Address book datafo ruse inconnection with
an integr ated hands-fr eesystem oran inte‐
grat ednavig 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 settings /
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 egrat edinthe
ve hicle. Imagesand audiofrom thesmar tphon e
can beoutput viathemultimedia system. Cer‐
tai ninf orma tionis simu ltane ously trans ferred to
yo ur smar tphon e.
De pen dingon thetype 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 32
Gener alno tes

Dr
ivin g No
teson Mer cedes- AMGvehicl es Obser
vetheno teson thefo llo wing addition al
to pics intheSupplement ,as youma yot her wise
fa ilto recogni zedangers:
R Emo tion Start
R AMGAC TIVE adaptivespor tsuspension sys‐
te m Switc
hingonthepo we rsupp lyor theigni‐
tion (without engine star t) &
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunsuper visedintheve hi‐
cle, they cou ld,in pa rticular :
R Open doors,ther eb yendang ering other
per sons orroad user s.
R Getout and bestru ck byoncom ingtraf‐
fi c. R
Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,th ech ildr encould alsosetth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Chang eth etra nsmiss ionposition .
R Startth eve hicle. #
Neverlea vechildr enunat tende din the
ve hicle. #
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. #
Keep theSmar tKey out ofreac hof chil‐
dr en. Also
obser vethe"No teson pets intheve hicle".
Re quirement s:
R theSmar tKey islocat edintheve hicle and
th eSmar tKey batt eryis no tdisc harged.
R thebr ak epedal isno tdepr essed. #
Toswitc hon thepo we rsupp ly:pr ess but‐
to n1 once .
Yo ucan activat eth ewindshield wipers,for
ex am ple.
The powe rsupp lyis switc hedoffag ain ifth efo l‐
lo wing condition sar eme t:
R youopen thedr iver's door .
R youpr ess button1 twice mor e. 16
8
Driving and parking

The
HOLD functionisdeactiv ated inthefo llo w‐
ing situat ions:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d.
R The transmiss ionisswitc hedtoposition 005D.
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
In thefo llo wing situat ions,th eve hicle isheld by
tr ans missi on positio n005D and /or bytheelectr ic
par king brak e:
R The seat beltisunf astened andthedr iver's
door isopened.
R The vehicle isswitc hedoff.
R Ther eis amalfunction inthesy stem orthe
po we rsupp lyis insuf ficie nt. AI
RMA TIC Fu
nction ofAIRMA TIC
Mer cedes- AMGvehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers. AIRM
ATIC isan air suspe nsion system withan
all-r ound leve lcon trol system, whic halso
ensur esthebes tpossible suspension andcon‐
st ant grou nd clea rance, evenwi th aladen vehi‐
cle. When driving atspeed, theve hicle islow‐
er ed aut omaticall yto improv edr iving safetyand
to reduce fuelconsum ption. Youalso have the
op tion ofmanuall yadjus tingtheve hicle leve l.
AI RMA TICiscom prised ofthefo llo wing func‐
tion sand compone nts:
R All-round airsuspe nsion
R Spe ed-depen dentlo we ring
R Manua llysel ect ablehigh leve lse tting for
gr eat erground clearance whichcan be
adjus tedusing aleve lbutt on
R Vehicl eswith ADSPL US: alsoAd aptive
Dam pingSy stem withcon stant adjus tment
of dam pingch aract eristic sfo rim prov ed driv‐
ing comf ort
Suspension settings andvehicl eleve lper
dr ive pr og ram
Dr ive pr ogr am A and;:
R The susp ens ion se tting iscomf ortable. R
The vehicle issetto thenor mal leve l.
R When drivin gat speeds ofappr oximat ely
87 mph(1 40 km/h) orabo ve,th eve hicle is
lo we red.
R When driving atspeeds belowappr oximat ely
25 mph(4 0km/h), theve hicle israised
ag ain.
Dr ive pr ogr am £ (Mercedes -Maybac hve hi‐
cles only):
R The suspension settin gis very comf ortable.
R The vehicle issetto thenor mal leve l.
R When drivin gat speeds ofappr oximat ely
87 mph(1 40 km/h) orabo ve,th eve hicle is
lo we red.
R When driving atspeeds belowappr oximat ely
25 mph(40 km/h), theve hicle israised
ag ain.
Dr ive pr og ram C:
R The susp ension setting isfirm er.
R The vehicle islowe redto spor tle ve l. Dr
ivin gand parking229

Dr
ive pr ogr am B:
R The susp ens ion se tting iseve nfirm er.
R The vehicle islowe redto Spor t+ leve l.
Dr ive pr ogr am F (vehicle swit hout Off-ro ad
pac kage )
R The suspension setting issuit able foreasi ly
nego tiableof f-r oad terrain.
R The vehicle issetto off-r oad leve l+1 .
R When drivin gat speeds ofappr oximat ely
50 mph(80 km/h) orabo ve,th eve hicle is
lo we red.
R When driving atspeeds belowappr oximat ely
28 mph(4 5km/h), theve hicle israised.
Dr ive pr ogr am F (vehicle swit hOf f-ro ad
pac kage )
R The suspension setting issuit able foreasi ly
nego tiableof f-r oad terrain.
R The vehicle issetto off-r oad leve l+1 .
R When drivin gat speeds ofappr oximat ely
71 mp h(115 km/h) orabove ,th eve hicle is
lo we red. R
When driving atspeeds belowappr oximat ely
47 mp h(7 5 km/h), theve hicle israised.
G (vehicle swit hOf f-ro ad pac kage )
R The suspension setting issuit able fordif ficul t
of f-r oa dte rrain.
R The vehicle issetto off-r oad leve l+1 .
R When drivin gat speeds ofappr oximat ely
50 mph(80 km/h) orabo ve,th eve hicle is
lo we red.
R When driving atspeeds belowappr oximat ely
28 mph(4 5km/h), theve hicle israised.
Ind ividual suspen sionsettings canbecalled up
in drive pr ogr am = (/page18 4). Dif
fere nces betw een differe nt vehicl eleve ls
com paredtothenor malle ve l Ve
hicl e
le ve l Ve
hicl es
without Off-
ro ad pac kage Ve
hicl eswith
Of f-road pack‐
ag e
Ca rwa sh approximat ely
+3. 5in
(+90 mm) appr
oximat ely
+3. 5in
(+90 mm)
Of f-ro ad
le ve l+3 Una
vailable approximat ely
+3. 5in
(+90 mm)
Of f-ro ad
le ve l+2 Una
vailable approximat ely
+2. 4in
(+60 mm) 230
Drivin gand parking

*
NO
TERisk ofdama gedue totheve hicle
mo ving upand down When
free driving mode isactiv ated, the
ve hicle movesup and down. Vehicle parts
ma ybe damag edifth eunderbody bottoms
out. #
Mak esur eth at ther eis suf ficie nt
gr ou nd clearance whenro ck ing free
mode isact ivat ed. Re
covery mode isafunction ofthesuspension
whic hcan assis tth edr iver on loose surfaces
(e.g .sand ,sno w)whe nfreei ng ave hicle which
has become stuc k.
The vehicle body rock sin slo w,vertical motion s
when reco very mode hasbeen activated. This
te mp orarily puts thewheels undergreat erload,
whic hmeans they have inc reased tractionand
th eve hicle isfreed.
Yo ucan activat efree drivin gmod evia Off-ro ad
As sis t(/ page24 3). Fu
nction ofindividua lwheel control &
WARNIN GRisk ofbeco ming trap ped
du eto theve hicle lowe ring
The vehicle canbelowe redwhen theindivid‐
ual wheel control func tion hasbeen activa‐
te d. Body partscould become trapped ifth ey
ar ebe tween theve hicle body andthetir es or
under neathth eve hicle. #
Mak esur eth at nobody isunde rth e
ve hicle orintheimmediat evicinit yof
th ewheel arch es when individual wheel
con trol isactiv ated. *
NO
TERisk ofdama gedue totheve hicle
mo ving upand down The
vehicle canbelowe redor raised onone
or mor ewheels whentheindividual wheel
con trol func tion hasbeen activated. Vehicle
par tscould bedamag eddue tocont actwith
object s. #
Mak esur eth at theve hicle hassuffi‐
cie ntroom tomo vewhen theindividual wheel
control func tion hasbeen activa‐
te d. Indiv
idual wheel control isafunc tion ofthesus‐
pension ,whic hcan beused tosetth eve hicle
le ve lfo reac hwhee lindivi dually.This canhelp to
im prov ealignment ofthebody when driving off-
ro ad.
Yo ucan activat eind ivid ual wheel contro lvia Off-
ro ad Assis t(/ page24 3).
Ad jus tingthe vehicl eleve l(v ehicles withE-
AC TIVE BODY CONT ROL) &
WARNIN GRisk ofacci dent because
ve hicle leve lis toohigh
Dr iving charact eristic sma ybe impair ed.
The vehicle candrift outw ards, forex am ple,
when steer ing orcor ner ing. #
Choose ave hicle leve lwhic his suit ed
to thedr iving style and thero ad sur face
condi tions. 24
0
Driving and parking

R
Directly afte ra tir ech ang eor when spare
tir es areins talled.
R Ifth etir epr essur eis toolow or toohigh.
R Ifth esuspension isout ofalignment ,e.g.
af te rbo ttoming outonacurb.
R Onsteep inclin esofmor eth an appr ox.15 %.
Ac tivePa rking Assistma yalso displa ypar king
spaces that areno tsuit able forpar king, suchas,
e.g.:
R Parking spaces wherepar kingis prohibit ed.
R Parking spaces onunsuit ablesurfaces. Pa
rking withAc tiv ePa rking Assis t #
Press butt on1. The
media displaysho wsthevie wof ActivePa rk‐
ing Assist. Ar ea 2 displa ysdetected parking
spaces 4and vehicle path3.
% Vehicle path3 shownonthemedia display
ma ydif ferfr om theactual vehicle path. #
Ifapar king space isdispla yed: stop theve hi‐
cle. #
Select desiredpar king space 4and con‐
fi rm . #
Ifnecessar y,select thepar king direct ion: for‐
wa rdsor reve rse, and confirm .
Ve hicle path3 issho wn, depending on
select edpar king space 4and thepar king
dir ect ion. Dr
iving andparking 25
7

No
teson rotat ing whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Int erch ang ingthefront and rear wheels ifth e
wheels ortires have differe nt dimens ions
ma yse verely im pa irth edr iving charact eris‐
tic s.
The wheel brak es orwheel suspension com ‐
pon entsma yalso bedamag ed. #
Rotate front and rear wheels onlyifth e
wheels andtires areof thesame dimen‐
sions. The
wearpat tern son thefront and rear wheels
dif fer:
R Front wheels wearmor eon theshoulder of
th etir e
R Rear wheels wearmor eat thecent erofthe
tir e
Do notdr ive wi th tires that have toolittle tread
dep th.Thi ssig nifica ntlyre duces traction onwet
ro ads (hydr oplan ing). On
vehicles that have thesame sizefront and
re ar wheels ,ro tat eth ewheels accordingtothe
int erva ls in thetir emanuf acturer'swarrant y
book inyour vehicle documents. Ifth is is no t
av ailable, rotate thetir es every
3,000 to6,000 miles(5 ,000 to10,000 km),
dependin gon thewe ar.En sur eth at thedir ect ion
of rotatio nis ma intained .
Ob serveth eins truction sand safetyno teson
"Cha nging awheel" whendoing so
(/ page37 9). No
teson sto ring wheels When
stor ing wheels, observethefo llo wing
no tes:
R Afterre mo ving whee ls,stor eth em inacool,
dr yand prefer ably darkplace.
R Protect thetir es from contact with oil, grease
or fuel. Ov
ervie wof thetir e-c han getool kit Apar
tfr om some country- specif icvariant s,vehi‐
cles areno teq uipped withatir e-c hang eto ol kit. Fo
rmor einf ormation onwhi chtools are
re qu ired and appr ovedto per form awheel
ch ang eon your vehicle, consult aqu alif ied spe‐
cialis two rkshop.
Re quired tire-c hang eto ols mayinclude, for
ex am ple:
R Jack
R Choc k
R Lugwr enc h
Ti re -cha ngeto ol kit 1 islocat edunder the
cargo compartment floor . The
tire-c hang eto ol kit includes thefo llo wing:
R Jack 37
8
Wheels andtires

Inf
ormation label(exa mp le–Canada)
1 Hazardand service warning symbols
2 Refrig er ant filling capac ity
3 Applic ablestandar ds
4 PAGoil par tnum ber
5 GWP(Global Warming Potential) ofthere frig‐
er ant used
6 Refrig er ant type
Symbo ls1 indica tethefo llo wing:
R Possible dangers
R The need tohave ser vice workcar ried out at
a qu alif ied spec ialistwo rkshop only Re
frig er ant filling capacity
Fi lling capacityforre frig er ant and PAGoil Model
Refrig er ant
All model s2 3.9±0.4 oz
(680 ±10 g) Model
PAGoil
All model s3 .8±0.4 oz
(1 10 ±10 g) Ve
hicl edata Ve
hicl edimens ions The
heightsspeci fied mayva ry as are sult ofthe
fo llo wing fact or s:
R Tire s
R Load
R Conditio nof thesuspension
R Option aleq uipment Te
ch nica lda ta 40
1

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
ä Malfunct ionDrive atMax.
50 mph *A
IRMA TICisfunctioning onlytoalimit edextent. The vehicle's handling charact eristic sma ybe affect ed. #
Drive in amanne rap propr iate forth ecur rent leve l,but donotex ceed 50mph(80 km/h). #
Consult aqu alif ied spec ialistwo rkshop.
E-A CTIVE BODYCONTROL
Funct ionLimited SeeOper-
ator's Manual *A
tle as tone mainfunctio nof theE- AC TIVE BODY CONTR OLsystem ismalfunct ioning.
The system isoutside theoper ating temp eratur era ng eor theon- boar delectr icalsystem voltag eis toolow.
* NO
TEThe vehicle's suspension anddam ping behaviorisrestrict ed. The vehicle body maytilt hea vilyto the
side during corner ing. #
Drive on car efully . #
Reduce speed consider ablybef oreta king abe nd. #
Avoid sudden steer ing movements. #
Drive on car eful ly. #
Reduce speed consider ablybef oreta king abe nd. #
Avoid sudden steer ing movements.
Once thecause ofthepr oblem isno long erpresent ,th esy stem will beavailable again. 43
4
Dis playmes sagesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
* NO
TEThe vehicle's suspension anddam ping behaviorhaschang edsign ifican tly, theve hicle body maytilt
hea vilyto theside during corner ing. #
Reduce vehicle speed. Drive on car efull y. #
Reduce theve hicle speed consider ablybef oreta king acur ve. #
Avoid sudden steer ing movements. #
Continue driving careful lyand donotexc eed 50mph(80 km/h). #
Ifpossible, stop theve hicle inaccor dance withth etraf fic condi tions andswitchth eignition offand onagain. #
Ifth edispla ymessag est ill appear s,con sult aqu alif ied spec ialistwo rkshop.
ä
Malfunction Stop *T
her eis aser ious malfunction affecting thehy draulics oftheE- AC TIVE BODY CONT ROLsy stem.
The system isdeactiv ated.
* NO
TEThe vehicle's driving charact eristic sha ve chang edsign ifican tly. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do not
con tinue drivin gunder anycir cums tances. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions.Do notcontinu edr ivi ng und eranycir‐
cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. 436
Displa ymessag esand warning/ indic ator lam ps