2022 MERCEDES-BENZ GLS engine

Obser
veanyinf ormatio nre ga rding displa ymes-
sag esthat can bedispl ayedon theinst rument
displa y.
S S
t t
ar ar
tin gt tin
gthe v he
vehicle wit ehicle
witht h
the Smar he
Smar tKe tK
ey in t y
in the he
mar k mar
ked space (emerg ed
space (emergency oper ency
operationmode) atio
nmode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator's Manual
messag eappear sin theinst rument displa y,yo u
can star tth eve hicle inemer gency operation
mode . #
Mak esur eth at mar kedspace 2isem pty. #
Remo veSma rtKe y1 from theke yring. #
Plac eSmar tKey 1 inmar kedspace 2next
to symbol 3.
The vehicle willstar taTer ashor ttime .
When youre mo veSma rtKe y1 from mar ked
space 2,theve hicle canbedriven. Forfur -
th er engine star ts howev er,Smar tKey 1 must
belocat edinmar kedspace 2next to
symbol 3during theentir ejour ney. #
Have Sma rtKe y1 checkedat aqu ali/ed spe-
ciali stwo rkshop.
If t If
the v he
vehicle doesno ehicle
doesnotst t
st ar t: ar
t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
Depr essthebr ak epedal andstar tth eve hicle
usin gth estar t/s topbutt on.
% Youcan switc hon thepo we rsuppl yor the
ve hicle withth estar t/s topbutt on.
Obser veanyinf ormatio nre ga rding displa ymes-
sag esthat can bedispl ayed on theinst rument
displa y. SS
t t
ar ar
tin gt tin
gthe v he
vehicle viaR ehicle
viaRemo t emo
te Onl ine Ser e
Onl ine Service s vice
s Cool
ingorheati ngt Cool
ingorheati ngthe v he
vehicle int ehicle
inter er
ior bef ior
before or
e
st st
ar ar
tin gt tin
gthe jou r he
jou rne y ne
y
Ensu rethefo llo wing beforestar ting theengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin estar ting via
smar tphone. Dr
iving andparking
175 175

R
Itis saf eto star tan dru nth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu1 ciently full .
R The star terbatt eryis su1cien tly ch arge d.
Char Char
ging t ging
the st he
star t ar
ter batt er
batt er er
ybef y
bef or or
est e
star ar
ting t ting
the he
jour jour
ney ne
y
Yo ucan receiv eamessag eon your smar tphone
when thestat eof charge ofthestar terbatt eryis
lo w. Youcan then star tth eve hicle withth esmar t-
phone tocharge thebatt ery. The vehicle isaut o-
matic allyswitc hedo.aTer tenminut es.
Ens ureth efo llo wing beforestar ting theve hicle:
R The legalstipul ation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin estar ting via
smar tphone.
R Itis saf eto star tan dru nth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu1 ciently full . S S
t t
ar ar
ting t ting
the v he
veh icle (R eh
icle (Rem ot emo
te Online) e
Online) &
W W
ARNIN G ARNIN
GRisk ofcrushing orentr apment
due tounint entional star ting oftheengine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint ention allydur ing service
or maint enance work. #
Alwayssecur eth eengine against unin-
te ntiona lst ar ting beforeca rryin gout
main tenanc eor repair work. RR
eq eq
uir uir
ements: ements:
R Park position 005Disselect ed.
R The anti-theT alarmsystem isno tactiv ated.
R The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
o..
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand slidingsunr oofareclosed . #
Startth eve hicle usingth esmar tphone.
ATer everyengine star t,theengine runs for
te nminut es. Yo
ucan carryout amaximum oftwoconsecutiv e
st ar ting attem pts. Youmust star tth eengine with
th eSmar tKey bef oretrying tostar tth eve hicle
ag ain withth esmar tphone.
Yo ucan switc ho. theve hicle atanytime asfol-
lo ws :
R Viath esmar tphone app
R Bypressing theÜ orß buttononthe
Sma rtKe y
% Further informatio ncan befound inthe
smar tphon eapp.
Se cur Se
cur ing t ing
the v he
vehicle ag ehicle
agains ains
tst t
st ar ar
tin gbef tin
gbef or or
ecar ry- e
car ry-
ing out maint ing
out maint enance orr enance
orrepair w epair
wor or
k: k:
#
Switc hon thehazar dwa rning light system.
or #
Unloc kth edoor s.
or #
Open aside windo wor thesliding sunroof. 176176
Dr
iving andparking

BrBr
ea king-in not ea
king-in notes es
To
preser vetheengine during the/r st
1,000 miles(1,500 km):
R Drive at varying road speeds andengine
speeds .
R Donotdr ive at speeds great erthan 85 mph
(140 km/h ).
R Drive th eve hicle indrive pr og ram A
or ;.
R ShiT tothene xt highest gear attheve ry latest
when theneedle reac hes thelast third bef ore
th ere dar ea intheta ch ome ter.
R DonotshiT down manuall yin order tobrak e.
R Avoid overstraining theve hicle, e.g.dr ivi ng at
fu llth ro ttle.
R Donotdepress theacceler ator pedal pastthe
pr essur epoint (kickdo wn).
R Onlyincr ease theengine speedgraduall yand
acceler ateth eve hicle tofull speed aTer
1, 000 miles (1,500 km).
Thi salso applies when theengine orpar tsof the
dr ivet ra in have been replaced. Please
alsoobser vethefo llo wing breaking-in
no tes:
R Incer tain driving anddriving safetysy stem s,
th esensor sadjust automaticall ywhile acer -
ta in dist ance isbeing driven aTer theve hicle
has been deliveredor aTer repair s.Fu llsy s-
te m e.ectiv enessisno tre ac hed untilth eend
of this teac h-in process.
R Brak epads, brak ediscs andtires that are
eit her newor have been replaced onlyac hie ve
op timum braking e.ect andgrip aTer several
hund redkilome ters of drivin g.Com pensat efo r
th ere duced braking e.ect byappl ying great er
fo rc eto thebr ak epedal. NNo o
t t
es on op es
on optimized acceler timized
acceleration ation
If
all necessar yre qu irements andactiv ation con-
ditions areful/lled ,th ebest possible acceleration
can beachie vedfrom ast andst ill.
Do notuse theop timized accelerationonpublic
ro ads. Individual wheels couldspinandyoucould
lose contr olof theve hicle. Thereis an incr eased
ri sk ofskiddin gand/ oracciden t. Be
sureto obser vethesaf etyno tesand informa-
tion onESP ®
(/ page212) . Pul
lingawa Pulli
ngawa ywit y
wit hop h
op tim ized accel er tim
ized accel erati on ati
on &
W W
AR NIN G AR
NIN GRisk ofskidd ing and having an
accid entfr om wheel sspin ning
When youuse optimized acceleration,individ-
ual wheels couldspinandyoucould losecon-
tr ol of theve hicle.
If ESP ®
is deact ivat ed, ther eis arisk ofskid-
din gand acciden t. #
Mak esur eth at no per sons orobs tacles
ar ein theclose vicinity ofyour vehicle. RR
eq eq
uir uir
emen ts: emen
ts:
R The vehicle hasbeen brok en in(/ page177 ).
R The vehicle andtires arein good condition.
R Youar eon ahigh-g rip roadw ay.
R The engine andtrans missionar eat nor mal
ope rating temp eratur e. Dr
iving andparking
177 177

&
W W
ARNI NG ARNI
NGRisk ofaccid ent ifth eve hicle is
switc hedo.while drivi ng
If yo uswitc ho. theve hicle while drivi ng ,
saf etyfu nct ionsar ere str icte dor no long er
av ailabl e.
This maya.ect thepo we rst eer ing system and
th ebr ak efo rc eboosting ,fo rex am ple.
Yo uwill need touse consider ablymor efo rc e
to stee ran dbr ak e, forex am ple. #
Donotswitc ho. theve hicle while driv-
ing . &
D D
AN AN
GER GER
Riskoffata linjur iescaused by
ex haus tga ses
Combu stion enginesemit poison ousexhaus t
ga ses, suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisoning . #
Neverru nth eve hicle and,ifpr esen t,the
st at iona ry heat erind oor swit hout su1-
cient ventila tion. &
W W
ARNI NG ARNI
NGRisk ofskiddi ngand ofan acci-
dent duetoshiTing down onslippe ryroad
sur faces
If yo ushiT down onslipper yro ad sur faces to
incr ease theengine braking e.ect,th edr ive
wheels maylose traction. #
DonotshiT down onslipper yro ad sur fa-
ces toincr ease theengine braking
e.ect . &
D D
AN AN
GER GER
Riskoffata linjur ydue topoison-
ous exhaus tga ses
If th eta ilpipe isbloc kedor su1cient ventila -
tion isno tpos sible, poi sono usexhaus tga ses
suc has carbon monoxidemayent ertheve hi-
cle. This isthecase, forex am ple, ifth eve hicle
get sst uc kin thesno w. #
Keep theta ilpipe andthear ea around
th eve hicle free from snowwhen the
ve hicle orthestationar yheat erisrun-
ning. #
Ope nawind owontheside oftheve hicle
fa cing awayfrom thewind toensur ean
adeq uatesuppl yof fresh air. &
W W
ARNIN G ARNIN
GRisk ofaccident andinjur ydue
to being under thein0 uence ofalcohol
and drugs while driving
Dr inking anddriving and/or taking drugs and
dr ivi ng areve ry dang erous combinations. Even
a small amount ofalcohol ordrugs can a.ect
yo ur re0e xes, per cep tion sand judgmen t.
The possibi lityof aser ious oreven fata lacci-
dent aregr eatl yincr eased whenyoudr ink or
ta ke drugs and drive. #
Donotdr ink ortake drugs and drive or
allo wan yone todrive who hasbeen
dr inking ortaking drugs. &
W W
AR NIN G AR
NIN GRisk ofacciden tdue tothe
br ak esy stem overheating
If yo ulea veyour foot on thebr ak epedal when
dr iving, thebr ak esy stem mayove rheat. Dr
iving andparking
179 179

This
increasesthebr aking distance andthe
br ak esy stem can even fail. #
Neveruse thebr ak epedal asafo ot re st. #
Donotde pres sth ebr ak epedal andthe
acceler ator pedal atthesame timewhile
dr iving. *
N NO O
TE TE
Engine damagedue toexcessiv ely
high enginespeeds The
enginewill bedamag edifyo udr ive wit h
th eengine intheove rrev ving rang e. #
Donotdr ive wit hth eengine intheove r-
re vving rang e. *
N NO O
TE TE
We aring out thebr ak elining sby
cont inuousl ydepr essing thebr ak epedal #
Donotdepr essthebr ak epedal continu-
ousl ywhilst driving. #
Touse thebr aking e.ect oftheengine,
shiT toalowe rge ar ingood time. *
N NO O
TE TE
Damag eto thedr ivet ra in and
engine whenpulling away #
Donotwa rm uptheengine whilethe
ve hicle isstation ary. Pull awayimme di-
at ely. #
Avoid high engin espeeds anddrivin gat
full thro ttle until theengine hasreac hed
its oper atingte mp eratur e. *
N NO O
TE TE
Damag eto thecat alytic converter
due tonon-c ombusted fuel The
engine isno tru nning smoothly and ismis-
/r ing.
No n-combus tedfuel mayget intoth ecat alytic
con verter . #
Onlydepr esstheacceler ator pedal
slightl y. #
Have thecause recti/ed immedi atelyat
a qu ali/ed special istwo rkshop. *
N NO O
TE TE
Reduced batterylif e due tofreq uen t
sh ort-d istanc etrip s The
12Vba tter yma yno tbe su1c iently
ch arge dwhen theve hicle isused onlyfo r
shor t-dista nce trips .This reduces thelife of
th ebatt ery. #
Drive long erdist ances regula rly to
ch arge thebatt ery. *
N N
O O
TE TE
Dam ageto theve hicle duetonot
obs erving themaximum permitt edhead-
ro om clear ance If
th eve hicle heightisgre ater than themaxi-
mum permitt edheadr oomclearance, thero of
and other partsof theve hicle maybe dam-
ag ed. #
Obser vethesign post edheadr oomclear-
ance. #
Ifth eve hicle heightisgreat erthan the
per mitt edheadr oomclearance, donot
ent er. 180180
Dr
iving andparking

#
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
Engi neoilleve l:/ll engine oiltothemaximum
le ve lto ensur efull gradeabi lity(/ page337)
R Tire -cha ngeto ol kit and sparewheel
R Tire sand wheels
% Further informatio nabout special all-terrain
tir es forre tro/tti ngcan beobtained from a
qu ali/ed special istwo rkshop.
O.-r O.-r
oad oad
dr dr
ivi ng ivi
ng
Re ad this section beforedr iving your vehicle o.-
ro ad. Practice bydriving overmor ege ntle o.-road
te rrain /rst.
R Obser vetheno teson thecr oss-countr yABS
(/ page211).
R Ifnecessar y,select theF orG drive
pr og ram (vehicles withO.-r oadpackage )
bef oredr iving o.-road (/ page190).
R Beforedr ivi ng o.-r oad, shiTthetransf ercase
to theL L
O O
W RAN W
RAN GE GE
o.-road gear (vehicle swit h
O.-r oadpackage )(/ page198 ).
R Select ave hicle leve lsuit able foro.- road ter-
ra in (/ page249). Toavo iddamaging the ve
hicle, makesur eth er eis alw ayssu1cie nt
gr ound clearance.
R Alwayske ep theengine running andingear
when drivi ng on downhil lgr adien tsand
emban kments.Obser vetheno teson drivi ng in
moun tainous terrain.
R Donotdr ive on unkn ownte rrain that isno t
easil yvisi ble and stay on mar kedro utes.
R Alwayske ep thedoor sand windo wsclosed
while theve hicle isin mo tion .
R Deact ivat eAc tiveDist ance AssistDIS TRONI C
and cruise control.
R Adaptyo ur driving styleto thete rrain.
R Donotuse theHOLD function onsteep down-
hill oruphill gradien tswit hslipp eryor loose
sur faces.
Dr Dr
iving on sand ivi
ng on sand
When drivi ng on sand, alsoobser vethefo llo wing
inst ruction s:
R Select theF drive pr og ram.
R Sele ctahigher vehicle leve l.
R ShiT toalowe rge ar. R
Drive qu ickl yto ove rcome thero lling resis t-
ance; theve hicle mayot her wise digitselfin.
R Drive in thetrac ks ofother vehicles ifpossi-
ble. Makesur eth at thefo llo wing prereq uisit es
ar eme t:
- The tireru ts areno tto odeep
- The sand is/rm enough
- The ground clearance issu1cient
F F
or or
ding ding
Also obser vethefo llo wing information whenford -
ing:
R V V
ehicles wit ehicles
withAIR BOD h
AIR BOD YC Y
CONTR ONTR
OL: OL:
select the
highe stpossibl eve hicle leve l(/ page249).
V V
ehicles wit ehicles
withE- A h
E- ACTIVE BOD CTIVE
BODYC Y
CONTR ONTR
OL: OL:
select thehighest possible vehicle leve l
( / pag e257).
R Drive no faster than 6mp h(1 0km /h).
R Observeth emaximum permissible ford ing
dep th(/ pag e418).
R Switc ho. automatic climatecontr ol
(/ page166). Dr
iving andparking
183 183

R
Ensur eth at abo wwa ve does notfo rm asyou
dr ive.
R Donotst op inthewa terand donotswitc ho.
th eengine. Ensureth eEC Ostar t/s topfun c-
tion isswitc hedo.(/ page186).
Dr Dr
iving inmount iving
inmount ainous t ainous
ter r er
rain ain
Also obser vethefo llo wing information whendriv-
ing inmount ainous terrain:
R Obser vetheva lues oftheappr oach/depar -
tur eangle andofthemaximum gradien t
(/ page418) .
R Avoid high engin espeeds.
R Use thebr aking powe rof theengine when
dr iving downhill.
R ShiT toalowe rge ar on uphil lgr adien tsand on
lon g,steep downhil lgr adien ts.
R ActivateDSR beforedr iving downhi ll,ifneces -
sar y(/ page227) .
Chec Chec
klis klist t
aTe r aTe
rdr dr
iving iving
o.-r o.-
road oad
Dr iving o.-road places great erdemands onyour
ve hicle than drivi ng on nor mal roads.Ch eckth e
entir eve hicle fordamag eand fore ign bodies eve
rytime aTerdr iving o.-road. Foreign bodies in
th ewheels ordrivet ra in can lead toimbalances
and ther efor evibr ations.
R Ifth eF orG drive pr og ram isselect ed:
select another drive pr og ram.
R ShiT thetransf ercase totheon-r oad position
HIGH RAN HIGH
RANGE GE.
R Deactiv ateDSR.
R Lowe rth eve hicle leve lag ain toaleve lsuit able
to thero ad cond itions, e.g.to thenor mal
le ve l.
R Appl yth ebr ak es todryth em aTer ford ing.
R Chec kth at theser vice brak eis wo rking nor-
mall yaTer along downhill stretch .
R Clean thefo llo wing components everytime
aTer driving o.-road:
- Lice nse platenum ber
- Head lampsand taillam ps
- Tire s, wheels andwheel arch es
- Underbody R
ATer driving thro ugh sand, mud,wateror
gr ave l,ha ve thefo llo wing components
ch eckedand cleaned:
- Brak ediscs andbrak epads
- Tire sand wheels
- Axle joints ECEC
Ost O
star ar
t/ st t/
stop funct ion op
funct ion ECEC
Ost O
star ar
t/ st t/
stop funct ion op
funct ion
% Depen dingon theengine, theEC Ostar t/s top
func tionis no tav ailabl ein all drive pr og rams.
Obser vethestatus displa yin theinst rument
displa yfo rth is.
Mer Mer
cedes-Ma cedes-Ma
ybac ybac
hv h
vehicles: ehicles:
theGlide mode
function isno tav ailabl e.
The engineisswitc hedo.automati callyin thefo l-
lo wing situations ifall vehicle conditions foran
aut omatic enginestop areme t:
R Youbr ak eth eve hicle toast ands tillin trans-
missio nposit ion005Bor005C. 184184
Dr
iving and parking