2022 MERCEDES-BENZ GLS trailer

R
When theve hicle istowing atrailer andther e
is arisk ofare ar impact
The system will notini tiat ean ybr aking applicatio n
in thefo llo wing situations:
R Whilst driving
or
R When entering orexiting apar king space while
using ActivePa rking Assist FF
unction ofPRE-S unction
ofPRE-S AFE AFE
® ®
Im Im
pulse Side pulse
Side If
an imminent sideimpact isde tected, PRE-
SA FE®
Im pulse Sidecanpre-em ptivel ymo vethe
fr ont seat vehicle occupan t'suppe rbody towa rds
th ecent eroftheve hicle. Itdoes this by rapidl y
in0a tingan air cushion intheout erseat sidebol-
st er oftheseat backrest ontheside onwhic hth e
im pact isanticipat ed.This increases thedist ance
be tween thedoor andtheve hicle occupan t.
If PR E-S AFE ®
Im pulse Side has been deployedor
is faulty ,th ePRE-SAFE ImpulseSide Inoperative
See Operator's Manual(/page424) displa y
messag eappear s. AA
ut ut
omatic measur omatic
measures es
aTer aTer
anaccident an
accident
Depending onthetype andseverity of theacci-
dent, anddepending ontheve hicle' seq uipme nt,
th efo llo wing measur escan beimplement ed,for
ex am ple:
R Automatic braking (post-collision brak e)
R Activating thehazar dwa rning light system
R Trigg ering anaut omatic emergency call
(/ page323)
R Switc hingo.theengine
To star tth eve hicle again, switc hth eve hicle
o. and ononce more(/ page174) .Depen d-
ing onthetype andseverity of theaccident,
yo uma yno long erbe able tostar tth eve hicle.
R Switching o.thefuel suppl ysy stem
R Unloc kingtheve hicle doors
R Lowe ring theside windo ws
R Displa yingtheemer gency guide inthemulti-
media system displa y
R Switc hingontheint erior lighting F F
unction oft unction
ofthe pos he
post-collision br t-collision
brak e ak
e
Depending ontheaccident situation, thepost-col-
lision brak ecan minimize these verity of afur ther
collision oreve navo idit.
If an accident isde tected, thepost-collision brak e
can implement automatic braking. Whentheve hi-
cle has come toast ands till,th eelectr icpar king
br ak eis aut omaticall yapplied.
The driver can cancel automatic braking bytaking
th efo llo wing actions:
R Braking morestr ongl yth an aut omati cbr aking
R Fully depr essing theacceler ator pedal with
fo rc e SafSaf
el el
ytr y
trans por ans
porting c ting
chi ld r hi
ld ren int en
inthe v he
veh icle eh
icle Alw
ay Alw
aysobser v s
obser ve when c e
when childr hildr
enar en
aretrav e
traveling int eling
inthe he
v v
ehicle ehicle
%
Also strictl yobser vethesaf etyno tesfo rth e
speci/c situation .In this wa yyo ucan recog-
niz epo tential risk sand avoiddang ersif ch il-
dr en aretrav eling intheve hicle
(/ page54). Occupan
tsaf ety
53 53

1
Detection rang eof thesensor s
If se veralconsecutiv ekic king movements areno t
successful, waitte nsec onds .
Sy st Sy
stem limits em
limits
The system maybe impai redor ma yno tfun ction
in thefo llo wing cases :
R The sensor sar edir ty,e.g. duetoroad salt or
sno w.
R The kicking movement ismade usingapr os-
th etic leg. The
tailg atecan open orclose unintentionall yin
th efo llo wing situations:
R Aper son's arms orlegs aremo ving inthesen-
sor detection rang e, e.g. when polishing the
ve hicle orpic king upobj ects.
R Objects aremo vedor placed behind theve hi-
cle, e.g.th ehose ofafuel dispenser ,a ch arg-
ing cable, orlug gage
R Clam pingstraps, tarp sor other coverings are
pull edove rth ebum per.
R Apr otectiv emat withalengt hre ac hing over
th etrunk silldown intoth ede tection rang eof
th esensor sis used.
R The protectiv emat isno tsecur edcor rectl y.
R Workisbeing doneonthetrailer hitch,trailer s
or rear bicy clerack s.
Deacti vate thefunction oftheSmar tKey
( / pag e71) ordo notcar rytheSmar tKey about
yo ur per son insuc hsituations. Limiting
t Limiting
the opening angleoft he
opening angleofthe t he
tailg ailg
ate at
e AA
ctiv ctiv
ating t ating
the opening anglelimit he
opening anglelimiter er
Yo ucan limit theopening angleoftheta ilg atein
th eto phalf ofits opening rang eup toapoin t
shor tly bef oreth eend position. #
Stop theopening procedur eof theta ilg ateat
th edesir edposition. #
Press and hold theclosing buttonontheta il-
ga te until youhear ashor tacoustic signal.
The opening anglelimiterwill beactiv ated. The
ta ilg atewill then stop inthestor ed position
when opened.
To open theta ilg atefull y,pull thehandle onthe
outside oftheta ilg ateag ain aTer ithas stopped
aut omaticall y.
Deactiv Deactiv
atingt ating
the opening anglelimit he
opening anglelimiter er
#
Press and hold theclosing buttonontheta il-
ga te until twoshor tacoustic signalssound. RR
eleasing t eleasing
the t he
tailg ailg
at at
ein an emer g e
in an emer gency ency
RR
eq eq
uir uir
ements: ements:
R Onlyfo rMer cedes-Ma ybachve hicles. Open
ingand closin g
83 83

#
Obser vethech ang edvehicle heightwit h
add-o nro of equipment . NNo o
t t
es on dr es
on drivin gwit ivin
gwit har h
aroof load, tr oof
load, trailer orfull y ailer
orfull y
laden v laden
vehicle ehicle
When drivin gwit haloaded roof lugg agera ck or
tr ailer aswellas withafull yladen orfull yoccu-
pied vehicle, theve hicle' sdr ivi ng and steer ing
ch aract eristics chang e.
Yo ushould bearthefo llo wing inmind:
R Donotex ceed theper missible roof load and
to wing capacity .Also obser vethete ch nica l
dat ain thepr int ed Oper ator's Manual.
R Evenl ydistr ibuteth ero of load, andplace
hea vyobjects atthebo ttom. Also complywit h
th eno teson loadin gth eve hicle
(/ page124) .
R Drive att ent ivel y, and avoidsuddenl ypulling
awa y,braking andsteer ing aswellas rapid
cor ner ing.
No t No
tes on dr es
on driving onsalt-tr iving
onsalt-tr eat eat
edr ed
roads oads
The braking e.ect islimit edon salt-tr eatedroads. Ther
efor e, obser vethefo llo wing notes:
R Due tosalt build-up onthebr ak ediscs and
br ak epads, thebr aking distance canincrease
consider ablyor result inbraking onlyon one
side
R Main tain amuc hgr eat ersaf edist ance tothe
ve hicle infront
To remo vesalt build-up :
R Brak eoccasion allywhile paying attent ion to
th etra1c conditions
R Carefull ydepr essthebr ak epedal attheend
of thejour neyand when star ting thene xt jour -
ne y
N No o
t t
es on h es
on hydr ydr
oplaning oplaning
Hydr oplaning cantake place onceacer tain
amount ofwa terhas accumula tedon thero ad
sur face.
Obser vethefo llo wing notesdur ing heavyprecipi -
ta tion orincondi tions inwhi chhydroplaning may
occur :
R Reduce speed
R Avoid tireru ts R
Avoid sudden steer ing movements
R Brak ecar eful ly
% Also observe theno teson regula rly ch ecking
wheels andtires (/ page370).
N No o
t t
es on dr es
on driving t iving
thr hr
ough w ough
wat at
er on t er
on the r he
road sur- oad
sur-
f f
ace ace
Wa terwhic hhas entered intoth eve hicle can
damag eth eengine, electricsand transmission.
Wa tercan also entertheair intakeof theengine
and cause engine damage.
Obser vethefo llo wing ifyo umust drive th ro ugh
wa ter:
R Obser vethemaximum permissible ford ing
dep th(/ pag e418).
R Drive at amaximum speedof6mp h
(10 km/h );wa tercan other wise enterthe
ve hicle interior oreng inecom partmen t.
R Vehicles trave ling infront, oroncoming vehi-
cles, cancreat ewa veswhic hma yex ceed the
maximum permissible depthofthewa ter.
The brak ing e.ect ofthebr ak es isreduced aTer
fo rd ing. Brak ecar efull ywhile paying attention to Dr
iving andparking
181 181

R
Onlysuit able forgood road cond itions, adr y
ro ad sur face and aclear stre tchof road
C Sport
R Con tinues too.er stability butwithaspor ty
se tup
R Allo wsthespor tydriver amor eactiv edr iving
sty le
R Onlysuit able forgood road cond itions, adr y
ro ad sur face and aclear stre tchof road
A Comfor t
R Comf ortable and economical driving
R Balance between traction andstability
R Recommen dedforall road cond itions
£ Maybach
R Onlyav ailabl efo rMer cedes-Ma ybachve hicles
R Highes tdr ivi ng comf ortfo rcomf ortable and
luxur ioustrav el
; Eco
R Particular lyeconomical driving
R Balance between traction andstability R
Recommen dedforall road cond itions
N Curve
R Onlyav ailabl efo rve hicles withE‑ AC TIV E
BOD YCON TROL
R Com fortable drivi ng withcur vetilting function
R Balanc ebe tween tracti onand stabil ity
R Recommen dedforall road cond itions
F Offroad
R Onlyav ailabl efo rve hicles withO.-roadpack-
ag e
R Interve nes later ifth er eis ove rste er ing or
under steer ing, thus improv ing traction
R Suit able foreasil ynego tiable o.-road terrain,
suc has dirttr ac ks,gr av el or sandy surfaces
R Notsuit able foruse onpublic roads
G Offroad+
R Onlyav ailabl efo rve hicles withO.-r oadpack-
ag e
R Interve nes later ifth er eis ove rste er ing or
under steer ing, thus improv ing traction R
Suit able forro ugh terrain, suchas steep
and/ orune vente rrain orfordr iving onrock y
te rrain
R Notsuit able foruse onpublic roads
% Mer Mer
cedes- Ma cedes-
Maybac ybac
hv h
vehicle s: ehicle
s:in thedr ive pr o-
gr ams F andG, theex tendib lerunning
boa rdsre main retract ed orretract ifth ey have
alr eady been extended .
% Dep ending onthesituation, thecy linder can
be brie0y deactiv ated inthedr ive pr o-
gr ams ; andA, dependingon the
engine.
% The ESP®
se tting sin thedr ive pr og rams ;
and A aredesign edforst ability .Ther efor e,
ch oose oneofthese driving prog rams, espe-
ciall ywhen transpor tingroof loads, intrailer
oper ation andwhen theve hicle isfully loaded
or fully occupi ed.
Depen dingon thedr ive pr og ram, thefo llo wing
sy stems chang eth eir charact eristics:
R Drive
- eng ineand transmi ssionmanag ement
- ActiveDist ance AssistDIS TRONI C Dr
iving andparking
189 189

#
Ifge arshiT recommen dation1appear sne xt
to thetransmission positiondisplay,shiT to
th ere commen dedgear. Using
kic Using
kickdo kdo
wn wn
#
Maxim umacceler Maxim
umacceler ation: atio
n:depr esstheacceler a-
to rpedal beyond thepr essur epoint.
To protect against engine overrev ,th eaut omatic
tr ansmission shiTsuptothene xt gear when maxi-
mum enginespeed hasbeen reac hed. Glide
mode funct ion Glide
mode funct ion *
N NO O
TE TE
Mer cedes- AMGve hicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. %
Mer Mer
cedes-M a cedes-M
aybac ybac
hv h
vehicles: ehicles:
theGlide mode
function isno tav ailabl e.
Wi th an ant icipat orydr ivi ng style, Glide mode
helps youto reduce fuelconsum ption. Glide
mode isch aract erize dby thefo llo wing:
R The combustion engineisdisconnect edfrom
th edr ivet ra in and continues torunin neutr al.
R The trans missionpos itiondis pla y005B issh ow n
in green.
R V V
ehicles wit ehicles
with48 Von-boar h
48 Von-boar delectr d
electr icalsyst ical
system: em:
th ecombustion enginecanbeswitc hedo..
All oftheve hicle funct ionsre main active.
Glide mode isactiv ated ifth efo llo wing conditions
ar eme t:
R Drive pr og ram ; isselect ed.
R The speed iswit hin asuit able rang e.
R The road' scou rseis suit able, e.g.nosteep
uphill ordownhill inclines ortight curves.
R Ther eis no trailer hitched uptothetrailer
hitc h,and nobicy clerack inst alled.
R Youdo notdepr esstheacceler ator orbrak e
pedal (exc ep tfo rlight brak eapplications) .
% Glide mode canalso beactiv ated ifyo uha ve
select edthe"Eco" setting forth edr ive in the
dr ive pr og ram =. Glide
mode isdeactiv ated again ifone ofthecon-
ditions isno long erme t.
Glide mode canalso beprev ent edbythefo llo wing
par ame ters:
R Incline
R Downhi llgr adien t
R Temp eratur e
R Height
R Speed
R Oper ating status oftheengine
R Tra1c situatio n 196196
Dr
iving and parking

1
Multifu nctionca mer a
2 Cameras intheoutside mirrors
3 Front radar
4 Front camer a
5 Corner radar s
6 Ultrasonic sensors
7 Rear vie wcamer a &
W W
AR NIN G AR
NIN GRisk ofacciden tdue torestr ic-
te dde tection perform ance ofvehicle sen-
sor sand camer as
If th ear ea around vehicle senso rsor camer as
is co vered, damag edordirty,cer tain driving
and safetysy stem sca nno tfun ction co rrectl y.
Ther eis arisk ofan acciden t. #
Keep thear ea around vehicle senso rsor
camer asclear ofanyobst ruction sand
clean. #
Have damag eto thebum per,ra diat or
gr ille orstone chipping inthear ea ofthe
fr ont and rear wind owsre pair edata
qu ali/ed special istwo rkshop. Pa
rticular ly,ke ep thear eas around thesensor s
and camer asfree ofdir t,ice orslush
(/ page346). Thesensor sand camer asmust
no tbe coveredand thede tection rang es around
th em must bekept free. Donotat ta ch addit ional
licen seplat ebr ac ket,adv ertisem ents, stickers,
fo ils orfoils toprotect against stone chippings in
th ede tection rang eof thesensor sand camer as.
Mak esur eth at ther ear eno ove rhang ingloads
pr otru ding intoth ede tection rang e.
If th er eis damag eto abum perorthera diat or
gr ille, oraTer animpact, have thefunction ofthe
senso rscheckedat aqu ali/ed special istwo rk-
shop. Have damag eor stone chipping inthear ea
of thecamer ason thefront and rear wind ows
re pair edataqua li/ed specialist workshop. OvOv
er er
vie vie
wof dr w
of drivi ng syst ivi
ng systems anddr ems
anddrivi ng safe ivi
ng safety ty
sy st sy
stems ems
R
ABS(A An
ti-loc kB Bra
king S Sys
tem) (/ page211 )
R O.-r oadABS (/page211)
R BAS (B Bra
keA A
ssis tS Sys
tem) (/ page212) R
ESP ®
(E Electr
onicS Sta
bility P Pro
gram)
(/ page212)
R ESP ®
Cr osswin dAssis t(/ page213)
R ESP ®
trailer stabili zation (/ page213 )
R EBD (E E
lect ronic B Bra
keforc eD Distr
ibution)
(/ page215)
R STEER CONTR OL(/ page215 )
R HOL Dfunct ion (/ page215 )
R HillSt artAssis t(/ page216)
R ATTEN TIONASSIS T(/ page216)
R Cruis econt rol(/ page218)
R Tra1c Sign Assis t(/ page238 )
R AIRMATIC (/ page246)
R E-AC TIV EBOD YCO NTR OL(/ page253 )
Dr Dr
ivin g Assi st iv
in g Assi stance pack ance
packag e ag
e
The follo wing functions arepar tof theDr iving
Assist ancePackag e. Cer tain functions areonl y
av ailabl ein some countries. Som efu nct ionsar e
also availabl ewithout theDr iving Assist ance
Pa ckag e, albei twit hre str icte dfun ctionality . 210210
Dr
iving andparking

R
Onlydepr esstheacceler ator pedal asfaras is
necessar ywhen pulling away.
It can beadv antageous todeactiv ateESP ®
in the
fo llo wing situations toimprov etraction:
R When usingsnowch ains.
R Indeep snow.
R Onsand orgrav el.
% Spinn ingthewheels result sin acutt ing
action ,whic henhan cestraction .
If th e00E5 ESP®
wa rning lamplights upcontinu-
ousl y,ESP ®
is no tav ailabl edue toamalf unct ion.
Obser vethefo llo wing information:
R Indicat orand warning lamps(/ page479)
R Displa ymessa ges(/ page423)
ET ET
S/ 4ET S/
4ET S(Elect r S
(Elect roni cTr onic
Tractio nSy st actio
nSy stem) em)
ET S/ 4ET Stractio ncont rolis par tof ESP ®
and
mak esitpossible topull awayand accel erateon a
slip peryro ad.
If yo uselect theF orG drive pr og ram, a
special ETSsy stem speci/call ysuit edtoo.-r oad
te rrain isaut omati callyactiv ated. ET
S/ 4ET Scan improve theve hicle' stractio nby
int erve ning inthefo llo wing ways:
R The drive wh eels arebrak ed indivi dually if th ey
spin .
R Mor edr ive to rq ue istransf erredto thewheel
or wheels withtraction.
In0 uence In0
uence ofdr of
driv iv
e pr e
pr og r og
rams onESP ams
onESP ® ®
The drive pr og rams enable ESP®
to adap tto dif-
fe re nt we ather and roadcondi tionsas wellas the
dr iver's prefer reddr iving style. Dependin gon the
select eddrive pr og ram, theappr opriateESP ®
mode willbeactiv ated. Youcan select thedr ive
pr og rams using theDY NAMI CSEL ECTsw itch
(/ page 190). FF
unction ofESP unction
ofESP ® ®
Cr Cr
ossw indAssist ossw
indAssist ESP
®
Cr ossw indAssist detects sudden gustsof
side wind andhelps thedr iver tokeep theve hicle
in thelane:
R ESP ®
Cr osswind Assistisactiv eat vehicle
speeds between appr ox.47 mph (75km/h)
and 125 mph(2 00 km/h)wh en drivi ng
str aigh tah eador cornering slightl y. R
The vehicle isstabili zed bymeans ofindiv idual
br ak eapplication onone side. FF
uncti onofESP uncti
onofESP ® ®
tr tr
ailer st ailer
stabilizat ion abilizat
ion &
W W
ARNIN G ARNIN
GRisk ofaccident inpoor road
and weather cond itions
In poor road and weather cond itions, the
tr aile rst abil izatio ncanno tpr ev ent lurching of
th eve hicle/ trailer combin ation.Tr ailer swit ha
high centerofgrav ity ma ytip over bef ore
ESP ®
de tects this. #
Alwaysadap tyo ur driving styleto suit
th ecur rent road and weather cond itions. When
drivi ng withatrailer ,ESP ®
can stabili ze
yo ur vehicle ifth etrailer begins tosw erve from
si de toside:
R ESP ®
trailer stabili zation isactiv eabo ve
speeds of40 mph(6 5km /h).
R Slightsw ervin gis reduced bymeans ofata r-
get ed, individual brak eapplication onone
side. Dr
iving andparking
213 213

R
Intheev ent ofsevere sw ervin g,theengine
output isalso reduced andallwheels are
br ak ed.
ESP ®
trailer stabilization maybe impa ired orma y
no tfun ction if:
R The trailer isno tconnect edcor rectl yor isno t
de tected proper lyby theve hicle. AA
ctiv ctiv
atin g/deact iv atin
g/deact ivatin gESP atin
gESP ® ®
(Elect r (Elect
roni cSt onic
Stabili ty abili
ty
Pr Pr
og r og
ram) (v am)
(vehicle swit ehicle
swithout hout
O.-r O.-r
oad oad
pack pac
kag ag
e) e)
Mul
time diasystem:
4 © 5
Setting s5
Qui ckAccess
% ESP®
can onlybe activ ated/ deact ivat ed usin g
qu ick acces swhen atleast oneother funct ion
is availabl ein qu ick acces s.ESP ®
can other -
wise befound intheAssistance menu.
* N NO O
TE TE
Mer cedes- AMGvehicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. #
Select ESP. #
Select Onor00BB Off.
ESP ®
is deactiv ated ifth e00BB ESP®
OFF warn-
ing lamplights upcontinuousl yin theinst rument
clust er.
Obser vetheinf ormation onwarning lampsand
displa ymessa geswhic hma ybe sho wninthe
inst rument cluster. AA
ctiv ctiv
ating /deactiv ating
/deactiv atingESP ating
ESP® ®
(Electr (Electr
onicSt onic
Stabili ty abili
ty
Pr Pr
og r og
ram) (v am)
(vehicle swit ehicle
swit h h
O.-r O.-r
oad oad
pack pac
kag ag
eor E- e
or E-
A A
ctiv ctiv
eBod yCon tr e
Bod yCon trol) ol)
*
N NO O
TE TE
Mer cedes- AMGve hicles #
Obser vetheno tesin theSupplement.
Yo ucould other wise failto recogn ize
dang ers. #
Pullro ck er switc h1.
ESP ®
is deactiv ated ifth e00BB ESP®
OFF warn-
ing lamplights upcontinuousl yin theinst rument
clust er.
Obser vetheinf ormation onwarning lampsand
displa ymessa geswhic hma ybe sho wninthe
inst rument cluster. 214214
Dr
ivin gand parking