engine MERCEDES-BENZ GLB SUV 2021 Owner's Guide

#
Toswitc hon theignit ion:press butt on1
twic e.
The indic ator lam psintheins trument cluster
light up.
The ignit ionisswitc hedoffag ain ifone ofthe
fo llo wing condition sis me t:
R Vehicl eswith automatic transmiss ion:
Yo udo notst ar tth eve hicle within
15 minut esand thetransmission isin posi‐
tion 005Dortheelectr icpar king brak eis
applied.
R Youpr ess button1 once . St
arting theve hicl e St
arting theve hicl ewith thest ar t/s topbut‐
to n &
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk offire due toflammab le
mat erial intheengine compartmen tor
th eex haus tsy stem
Flammable materials mayignit e. #
Ther efor e, checkre gular lythat ther e
ar eno flammab lemat erials inthe
engine compartmen tor on theex haus t
sy stem. Re
quirement s:
R The Smar tKey isin theve hicle andisrecog‐
nized . #
Shif tth etra nsmiss iontoposition 005Dor005C. #
Depr essthebr ak epedal andpress butt on
1 onc e. #
Ifth eve hicle does notst ar t:switc hof fnon-
essential consumer sand press butt on1
once. #
Ifth eve hicle still does notst ar tand the
Place theKey inthe Marked SpaceSee
Operator's Manualmessagealso appear sin
th emultifunc tiondispla y:star tth eve hicle
wit hth eSmar tKey inthemar kedspace
(emer gency operati on mod e)(/ page 144).
% Youcan switchoffth eengine whiledriving
by pressing button1 forabo utthre esec‐
onds orby pressing button1 thre etimes
wit hin thre esecon ds.Besureto obser vethe
saf etyno tesunder "Driving tips"
(/ page14 7).
St arting theve hicl ewith theSm artK ey inthe
ma rked spa ce(emer gency oper ation mode)
If th eve hicle does notst ar tand thePlace the
Key inthe Marked SpaceSeeOperator 'sManual
messag eappear sin themultifunc tiondispla y,
yo ucan star tth eve hicle inemer gency operati on
mod e. 14
4
Driving and parking

Mar
kedspace (exa mp lewit hcup holder without
co ver) #
Open theco verof mar kedspace 2ifnec es‐
sar y. #
Mak esur eth at mar kedspace 2isem pty. #
Remo veSmar tKey 1 from theke yring. #
Place Sma rtKe y1 inmar kedspace 2on
symbol 3.
The vehicle willstar taf te ra shor ttime.
If yo ure mo veSmar tKey 1 from mar ked
space 2theengine continues running .Fo r
fur ther engine star ts howe ver,Smar tKey 1
mus tbe locat edinmar kedspace 2onsym‐
bol 3during theent ire jour ney. #
Have Smar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop.
If th eve hicl edoes notst ar t: #
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. #
Depr essthebr ak epedal andstar tth eve hi‐
cle using thest ar t/ stop butt on.
% Youcan also switchon thepo we rsupp lyor
th eignition withth est ar t/ stop butt on. St
arting theve hicl evia Remo teOnline serv‐
ices Cooling
orheating theve hicl eint erior before
co mmenci ngyour jour ney
Ensur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly full.
R The star terbatt eryis suf ficie ntly charge d.
Char ging thest ar terbatt erybe fore star ting
th ejou rney
If th eve hicle batteryis disc harged, youre cei vea
messa geon your smar tphon e.Youcan then
st ar tth eve hicle withth esmar tphon eto charge
th ebatt ery. The vehicle isaut omatically
switc hedoffaf te rte nminu tes. Dr
iving andparking 14
5

Ensu
rethefo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly full.
St arting theve hicl e(R emo teOnline) &
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. #
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated. R
The panic alarmisno tactiv ated.
R The hazar dwa rning light system isswitc hed
of f.
R The hood isclosed.
R The door sar eclosed andlocked.
R The windo wsand slidin gsun roof areclosed. #
Startth eve hicle using thesmar tphon e.
Af tereve ryengine star t,th eengine runs for
te nminu tes.
Yo ucan carryout amaximum oftwoconsec u‐
tiv est ar tin gatt em pts. The vehicle mustbe star‐
te donc ewit hth eSmar tKey bef oretrying to
st ar tth eengine again withth esmar tphon e.you
can stop theve hicle again atanytime.
% Further information canbefound inthe
smar tphone app.
Secur ingtheengine agains tst ar ting before
car rying out maintenance orrepair work: #
Swi tchon thehazar dwa rning light system.
or #
Unloc kth edoor s. or #
Open aside windo wor thesliding sunroof. Br
eaking-in notes Mer
cede s-AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
To preser vetheengine during thefirs t
1, 000 miles(1 ,500 km):
R drive at varying road spee dsand engine
spee ds.
R drive th eve hicle indrive pr ogr am A
or ;.
R shif tto thene xt highes tge ar attheve ry lat‐
es twhen theneedle reac hes thelas tth ird
bef oreth ere dar ea intheta ch ome ter.
R donotshif tdo wn age ar man uallyin order to
br ak e.
R avoidoverstra inin gth eve hicle, e.g.driving at
full thro ttle . 14
6
Driving and parking

R
vehicl eswith automatic transmiss ion:do
no tdepr esstheaccelera torpeda lbe yond the
pr essur epoint (kickdo wn).
R onlyincr ease theengine speedgraduallyand
accelera tetheve hicle tofull spee daf te r
1, 000 miles(1 ,500 km).
This also app lieswhe nth eengine orpar tsof the
dr ivet ra in have been replaced.
Please alsoobser vethefo llo wing breakin g-in
no tes:
R incer tain drivin gand drivin gsaf etysy stems,
th esensor sadjus taut omaticall ywhile acer‐
ta in dis tance isbe ing driven afte rth eve hicle
has been delivered orafte rre pair s.Fu llsy s‐
te m effectiv enes sis no tre ac hed untilth e
end ofthis teac h-in proce ss.
R brak epads, brak edisc sand tires that are
eit her newor have been replaced onlyac h‐
ie ve optimum braking effect and grip afte r
se veralhundr edmiles ofdrivin g.Com pen‐
sat efo rth ere duced braking effect by appl y‐
ing great erforc eto thebr ak epedal. No
teson driving &
WARNIN GRisk ofacci dent dueto
object sin thedr iver's foot we ll
Obj ectsin thedr iver's foot we llma yim pede
pedal trav el or bloc kadepr essed pedal.
This jeopar dizestheoper ating androad
saf etyof theve hicle. #
Stow allobj ect sin theve hicle secur ely
so that they canno tget intoth edr iver's
fo ot we ll. #
Alw aysins tallth efloor mats securely
and asprescr ibed inorder toensur e
th at ther eis alw ayssuf ficie ntroom for
th epedals. #
Donotuse loose floor mats anddonot
place floor mats ontopof one another. &
WARNIN GRisk ofacci dent dueto inc or‐
re ct foot we ar
In cor rect foot we arinc ludes, forex am ple:
R Shoes withplat form soles
R Shoes withhigh heels
R Slipper s #
Alw ayswe arsuit able foot we arso that
yo ucan operat eth epedals safely. &
WARNIN GRisk ofacci dent whenswi tch‐
ing offth eignition whendriving
If yo uswit choffth eignition whiledriving,
saf etyfun ction sar ere strict ed orno long er
av ailable.
Yo uwill then need, forex am ple, touse con‐
sider ablymor efo rc eto steer and brak e. #
Donotswitc hof fth eignition whiledriv‐
ing. Dr
iving andparking 14
7

&
DANG ER Risk ofdeat hcause dby
ex haus tga ses
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Inhaling
th ese exhaus tga ses ishazar dous tohealt h
and leads topoisonin g. #
Neverlea vetheengine or,if pr esent ,
th eauxiliar yheating running inan
encl osedspa cewithout sufficie ntventi‐
la tio n. &
WARNIN GRisk ofskid ding and ofan
acci dent dueto shif ting down onslipper y
ro ad sur faces
If yo ushif tdo wn onslipp eryro ad sur faces to
inc rease theengine braking effect, thedr ive
wheels maylose traction . #
Donotshif tdo wn onslipper yro ad sur‐
fa ces toinc rease theengine braking
ef fect. &
DANG ER Risk offata linj urydue topoi‐
sonous exhaus tga ses
If th eta ilpipe isbloc kedor suf ficie ntventil a‐
tio nis no tpo ssi ble, po isonou sex haus tga ses
suc has carbon monoxidemayent ertheve hi‐
cle. This isthecase when theve hicle
becomes stuc kin snow ,fo rex am ple. #
Keep theta ilpipe andthear ea around
th eve hicle free from snowwhen the
engine orthest atio naryheat erareru n‐
ning . #
Ope nawi ndo won theside oftheve hi‐
cle facing away from thewind toensur e
an adeq uatesupply offresh air. &
WARNIN GRisk ofacci dent andinjury
due tobeing under theinf luence ofalco‐
hol and drugs while driving
Dr iving when under theinf luence ofalcohol
and/or drugs isan extreme lydang erous
combin ation.Even small quant ities ofalco hol
or drugs mayaf fect your reflexe s,per cep tion
and judgment. The
probabi lityofaser ious oreven fata lacc i‐
dent greatl yinc reases ifyo udr ive when
und ertheinf luence ofalcohol ordrugs. #
Donotdr ink alcohol ortake drugs while
dr iving, anddonotallo wan yone to
dr ive who hasbeen drink ing alcohol or
ta king drug s. &
WARNIN GRisk ofacci dent dueto the
br ak esy stem overheating
If yo ulea veyour foot on thebr ak epedal
when driving, thebr ak esy stem mayov er‐
heat.
This increases thebr aking distance and the
br ak esy stem mayeve nfa il. #
Neveruse thebr ak epedal asafo ot re st. #
Donotde press thebr ak epedal andthe
acc elerat orpedal atthesame time
while driving. 14
8
Driving and parking

*
NO
TEEngi nedama gedue toexcess ively
hig hengi nespe eds The
enginewillbe damag edifyo udr ive wit h
th eengine intheov errevving rang e. #
Donotdr ive wi th theengine intheove r‐
re vving rang e. *
NO
TEWearing out thebr ak elinings by
continu ously dep ressing thebr ak epedal #
Donotdepr essthebr ak epedal contin‐
uousl ywhils tdr iving. #
Touse thebr aking effect of theengine,
shif tto alowe rge ar ingood time. *
NO
TEDama getothedr ivet ra in and
engin ewhen pulling away #
Donotwa rm uptheengine whilethe
ve hicle isstatio nary.Pull away immed i‐
at ely. #
Avoid high engine speeds anddriving at
full thro ttle untilth eengine hasreac hed
its operatin gte mp eratur e. *
NO
TEDama getothecat alytic converter
due tonon-co mbusted fuel The
engine isno tru nning smoothly and is
misf iring.
Non-c ombus tedfuel mayge tint oth ecat a‐
lyt iccon verter . #
Onlydepr esstheaccelera torpeda l
slig htly. #
Have thecause rectif ied imme diat ely at
a qu alif ied spec ialistwo rkshop. No
teson driving onsalt- treat edroads
The braking effect islimit edon salt-tr eated
ro ads.
Ther efor e, obse rveth efo llo wing notes:
R due tosalt build-up onthebr ak ediscs and
br ak epads, thebr aking distan cecan increase
consi derablyor result inbraking onlyon one
side
R maint ainamuc hgr eat ersaf edis tance tothe
ve hicle infront To
remo vesalt build-up:
R brak eoccasionall ywhile paying attention to
th etra ffic con dition s
R carefull ydepr essthebr ak epedal attheend
of thejour neyand when star tin gth ene xt
jour ney
No teson hydropl aning
Hyd roplaning cantake place onceacer tain
am ount ofwa terhas accumu lated on thero ad
sur face.
Obs erve thefo llo wing notesdur ing heavyprecip‐
it ation orinconditions inwhic hhy droplaning
ma yocc ur:
R reduce speed
R avoid tireru ts
R avoidsudden steer ing movements
R brak ecar eful ly
% Alsoob ser vetheno teson regular lych ecking
wheels andtires (/ page305). Dr
iving andparking 14
9

No
teson driving through wateron the road
sur face
Wa terwhi chhas entered intoth eve hicle can
damag eth eengine, electricsand transmiss ion.
Wa tercan alsoent ertheair intakeof theengine
and cause engine damage.
Obser vethefo llo wing ifyo umus tdr ive th ro ugh
wa ter:
R The water,when calm,ma yonl yre ac hth e
lo we redg eof theve hicle body.
R Drive at wa lkin gpace atmos t,other wise
wa tercan entertheve hicle interior orengine
com partment .
R Vehicles trave ling infront ,or onc omin gve hi‐
cles, cancreat ewa veswhic hma yexc eed the
maximu mper missi bledep thofthewa ter.
The braking effect of thebr ak es isreduced afte r
fo rd ing. Brak ecar efull ywhile paying attent ion to
th etraf fic condi tions untilbr aki ng powe rhas
been fullyrestor ed. No
teson off-r oad driving &
WARNIN GRisk ofacci dent ifyo udo not
ke ep toline offallon inclines
If yo udr ive at an ang leor tur non anincline,
th eve hicle could slipside ways,tip and roll‐
ove r. #
Alw aysdr ive on inclines intheline of
fa ll(s traight upordown) and donot
tur n. &
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. When
driving off-r oad, sand, mudandwateror
wa termix edwithoil ma yget intoth ebr ak es.
This maylead toare duction inbraking effect or
tot albrak efa ilur eas are sult ofincr eased wear.
The brakin gch aract eristic swill vary dependin g
on themat erial that has entered thesy stem.
Clean thebr ak es afte rdr iving off-r oad .If yo u
th en notice reduced braking effect or hea r
scr aping nois es,have thebr ak esy stem checked
at aqu alif ied spec ialistwo rkshop. Adaptyo ur
dr ivin gst yle to thech ang edbrakin gch aract eris‐
tic s.
* NO
TEDama gecau sed bydriving over
obs tacle s The
vehicle canbedamag edby:
R driving upont ohigh curbs orunpaved
ro ads.
R quickl ydr ivin gove robs tacle ssu ch as
cur bs, spee dbum psorpotholes. 15
0
Driving and parking

R
hea vyobject shitting theunderbody or
ch assis components. #
Donotdr ive ove robs tacle sth at coul d
damag eth eve hicle. #
Chec kth eve hicle regular lyfordama ge
dur ing off-r oad driving. #
Adjus tth eve hicle speed tosuit the
ro ad sur face condi tions. #
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. %
The vehicle isdesigned foreasi lynego tiable
and moder ateof f-r oad terrain. When drivin g
of f-ro ad, mak esur eth er eis suf ficie nt
gr ou nd clearance . Che
cklistbef 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
(/ page27 3).
R Tire -cha ngeto ol kit and spar ewheel
R Tire sand wheels
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
(/ page17 4).
R Ifnecessa ry,select theF (/page15 5)
dr ive pr ogr am beforedr iving off-r oad .
R Alw ayske ep theengine running andingear
when drivin gon downh illgradient sand
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 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 thetra cksof other 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 15
1

-
thegr ound clearance issuf ficie nt
Fo rding
Also obser vethefo llo wing informatio nwhen
fo rd ing:
R Drive no faster than 6mp h(1 0 km/h).
R The water,when calm,ma yonl yre ac hth e
lo we redg eof theve hicle body.
R Switc hof faut omatic climatecont rol
( / pag e14 0).
R Ensur eth at abo wwav edoes notfo rm asyou
dr ive.
R Donotst op inthewa terand donotswi tch
of fth eengine. Ensur eth eEC Ostar t/ stop
funct ionisswitc hedoff(/ page15 3).
Dr ivin gin mou ntain ouste rrain
Also observeth efo llo wing informatio nwhen
dr ivin gin moun tainous terrain:
R Obse rveth eva lues oftheappr oach/depar‐
tur eang leand ofthemaximum gradient
(/ page348).
R Avoid high engine speeds. R
Use thebr aking powe rof theengine when
dr iving downhill.
R Shif tto alowe rge ar on uphill gradien tsand
on long,steep downhill gradients.
R ActivateDSR before driving downhill, ifnec ‐
essar y(/ page18 3).
Che cklistaf te rdr ivin gof f-r oad
Dr iving off-r oa dplace sgr ea terdema ndsonyour
ve hicle than drivin gon norm alroads. Chec kth e
ent ire ve hicle fordama geand fore ign bodies
ev erytime afte rdr iving off-r oad .Fo reign bodies
in thewheels ordrivet ra in can lead toimbalan‐
ces and ther efor evibr ations.
R Ifth eF drive pr ogr am isselect ed:select
ano ther drive pr og ram.
R Deactiv ateDSR.
R Apply thebr ak es todryth em afte rfo rd ing.
R Chec kth at theser vice brak eis wo rking nor‐
mall yaf te ra long downhil lst re tch.
R Clea nth efo llo wing compone ntsev erytime
af te rdr iving off-r oad :
- license platenum ber -
hea dlam psand taillam ps
- tires, wheels andwheel arch es
- underbody
R Afterdr iving thro ugh sand,mud, wateror
gr av el, have thefo llo wing compone nts
ch eckedand cleaned:
- brak ediscs andbrak epads
- tires and wheels
- axle joints ECO
star t/s topfunc tion Ope
ratio nof the ECOstar t/s topfunc tion
Mer cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Yo uco uld other wise failto rec‐
ogni zedangers.
% The ECOstar t/ stop funct ionisavailable only
in theC, A, ;and= drive pr o‐
gr ams (depending onthese tting). 15
2
Driving and parking

If
all vehicle-r elatedconditions foran automatic
engine stop areme t,th eengine isswitc hedoff
aut omaticall y:
R Vehicl eswith automatic transmiss ion:
Yo ubr ak eth eve hicle toast ands tillin trans‐
miss ionposit ion005Bor005C.
R Youact ivat eth eHOLD function oreng age
tra nsmiss ionposition 005D.
% Ifth esy stem detects anintellige nt stop
inhibit or,e.g. ast op sign, theengine willnot
st op. When theHOLD function isactiv eand
in tra nsmiss ionposition 005D,theengine can
st op inspit eof an intellig entstop inhibit or.
The engine isrestar tedaut omatic allyif:
R Vehicl eswith automatic transmiss ion:
Yo ushif tint otransm issionposi tion005B or
005E.
R Youdepr esstheaccelera torpeda l.
R Anautomatic engine star tis requ ired bythe
ve hicle. EC
Ostar t/ stop funct ionsymbols inthemulti‐
func tion displa y:
R The 00D6 symbol (green) appear swhen the
ve hicle isat ast ands till:th eengine was
switc hedoffby theEC Ostar t/ stop funct ion.
R The 00D5 symbol (yello w)appear swhen the
ve hicle isat ast ands till:no tall vehicle condi‐
tions foran engine stop have been met.
R Neit herthe00D6 nor00D5 symbol appears
when theve hicle isat ast ands till:an intelli‐
ge nt stop inhibit orwa sde tected, e.g. ast op
sign.
R The s symbol appears:theEC Ostar t/
st op funct ionisdeactiv ated orther eis amal‐
func tion.
If th eengine wasswitc hedoffby theEC Ostar t/
st op funct ionand youlea vetheve hicle, awa rn‐
ing tone sou nds and theengine isno tre star ted.
In addition, theVehicle ReadytoDrive Switch
the Ignit ionOffBefor eEx iting displa ymessag e
appear sin themultifunc tiondispla y.Ifyo udo
no tswit choffth eignition ,th eignition isaut o‐
maticall yswitc hedoffaf te rth re eminut es. Deactiv
atingoractiv ating theECO star t/
st op fun ction #
Press butt on1.
A displa yappear sin theins trument cluster
when switching theEC Ostar t/ stop funct ion
of f/on .
% Acont inuous sdispla yappear sin the
ins trumen tclus terwhi letheEC Ostar t/ stop
funct ionisdeactiv ated. Dr
iving andparking 15
3