engine MERCEDES-BENZ GLC 2021 Owner's Manual

Br
eak ing-i nno tes To
preser vetheengine during thefirs t
10 00 mile s(1 500 km):
R Drive at varying road spee dsand engine
spee ds.
R Donotdr ive at spee dsgrea terth an 85 mph
(1 40 km/ h).
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 Donotshi ftdo wn age ar man uallyin order to
br ak e.
R Avoid overstrai ning theve hicle, e.g.driving at
full thro ttle .
R Donotde pres sth eacceler ator pedal past
th epr essur epoint (kickdo wn).
R Onlyincr ease theengine speedgraduallyand
accelera tetheve hicle tofull spee daf te r
10 00 mile s(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 edkilom eter sof driving. Com‐
pensat efo rth ere duced braking effect by
appl ying grea terfo rc eto thebr ak epedal. No
teson optimiz edacceler ation If
all necess aryre qu iremen tsand activation con‐
dition sar efulf illed, thebes tpossible accelera‐
tion canbeachie vedfrom ast ands till.
Do notuse theop timiz edaccelera tiononpublic
ro ads. Individ ualwheels couldspin andyou cou
ldlos econtr olof theve hicle. Thereis an
incr eased risk ofskidding and/oraccident.
Be sureto obser vethesaf etyno tesand informa‐
tion onESP ®
(/ page17 4). Pu
lling away wit hop timi zed accel eration &
WARNIN GRisk ofskid ding and having
an acci dent from whe elsspi nning
Whe nyo uuse optim izedacc eler ation,ind i‐
vidual wheelsco uld spin andyouco uld lose
co ntro lof theve hicle.
If ESP ®
is deactiv ated, ther eis arisk ofskid‐
ding andaccident. #
Mak esur eth at no per son sor obs tacles
ar ein theclose vicinityofyour vehicle. Re
quirement s:
R The vehicle hasbeen brok en in
(/ page14 5).
R Theve hicle andtires arein good condition.
R Youar eon ahigh -grip ro adw ay. Dr
iving and parking 14
5

R
The engine andtransmission areat nor mal
oper ating temp eratur e.
* NO
TEIncr eased weardue tooptimized
acceler ation When
pulling away wit hop tim ized acceler a‐
tio n,all com ponentsof thedr ivet ra in are
subje cted toave ry high load.
This canlead toinc reased component wear. #
Donotalw ayspull away wit hop tim ized
acc eleration. #
Engage the005B drive position (/page15 9). #
Movethesteer ing wheel tothest ra ight -
ahead position. #
Selec tth espor tiestav ailable drive pr ogram
B orC(/ page15 6). #
Dea ctivateESP ®
(/ page 176). #
Dep ress and hold thebr ak epedal firm lywith
yo ur leftfo ot . #
With your right foot ,full ydepr esstheaccel‐
er ator pedal. #
Afterno mor eth an five seconds, take your
lef tfo ot quickl yof fth ebr ak e, but keep the
acc elerat orpedal depresse d.
The vehicle pullsaway atmax imum acceler a‐
tio n. #
Swit chon ESP ®
once theaccelera tionproce‐
dur eis com plete.
Endin gop tim ized acceler ation #
Remo veyour foot from theacceler ator pedal. #
React ivat eth eES P®
.
% Afteryo upull away wit hop tim ized accelera‐
tio n,com ponentsof thedr ivet ra in can
becom eve ry hot,whic hmeans that opti‐
miz edacc eleration values maybe reac hed
ag ain onlyafte ra fe w min utes. 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. 14
6
Driving and parking

&
WARNIN GRisk ofacci dent ifth eignition
is switc hedoffwhile driving
If yo uswit choffth eignition whiledriving,
saf etyfun ction sar ere strict ed orno long er
av ailable.
Yo uwill need touse considerably morefo rc e
to steer and brak e, forex am ple. #
Donotswit choffth eignition whiledriv‐
ing. &
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 inkin gand driving and/or taking drug sand
dr ivi ng areve ry dang erous combin ations.
Ev en asmall amount ofalcohol ordrugs can
af fect your reflex es, percep tion sand judg‐
ment .
The possibility ofaser ious oreve nfa ta lacc i‐
dent aregr eatl yinc reased when youdr ink or
ta ke drugs and drive. #
Donotdr ink ortake drugs and drive or
allo wan yone todrive who hasbeen
dr ink ing ortaking drug s. Dr
iving and parking 14
7

&
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. *
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 distance canincrease
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 14
8
Driving and parking

No
teson hydropl aning
Hyd roplaning cantake place onceacer tain
amount 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 Avoid sudden steer ing movements
R Brak ecar eful ly
% Also obser vetheno teson regular lych ecking
wheels andtires (/ page31 6).
No teson driving through wateron the road
sur face
Wa terwhi chhas entered intoth eve hicle can
damag eth eengine, electricsand transmission .
Wa tercan alsoent ertheair intakeof theengine
and cause engine damage. Obser
vethefo llo wing ifyo umus tdr ive th ro ugh
wa ter:
R Obser vethemaximum permissible ford ing
dep th(/ pag e360) .
R Drive at amaximum speedof6mp h
(1 0 km/ h);watercan other wise enterthe
ve hicle interior orengine compartment .
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‐
ov er. #
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. Dr
iving andparking 14
9

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.
R hea vyobject shittin gth eunderbody 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. 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
(/ page28 4).
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 3).
R Ifnece ssary,select theF orG drive
pr og ram (vehicl eswit hOf f-road package )
bef oredr iving off-r oad (/page15 6).
R Select ave hicle leve lsuit able forof f-r oad ter‐
ra in (/ page208 ).To avo 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. 15
0
Driving and parking

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 ogr am.
R Select ahigher vehicle leve l.
R Shif tto alowe rge ar.
R Drive qu ickl yto overcome thero lling resis t‐
ance; theve hicle mayot her wise digitself in.
R Drive in thetrac ks ofother vehicles ifpossi‐
ble. Makesur eth at thefo llo wing prereq ui‐
sit es areme t:
- The tireru ts areno tto odeep
- The sand isfirm enough
- The ground clearance issuf ficie nt
Fo rding Also
obser vethefo llo wing informatio nwhen
fo rd ing:
R Vehicl eswith AIRBO DY CONT ROL:selec t
th ehighes tpossible vehicle leve l
( / pag e208 )
R Drive no faster than 6mp h(1 0 km/h).
R Obser vethemaximum permissible ford ing
dep th(/ pag e360 ).
R Switc hof faut omatic climatecon trol
(/ page13 7).
R Ensur eth at abo wwa ve does 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 ivi ng inmount ainousterrain
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
(/ page360).
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 8).
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 orG drive pr og ram issele c‐
te d: select another drive pr ogr am.
R Deact ivat eDS R.
R Lowe rth eve hicle leve lag ain toaleve lsuit a‐
ble tothero ad con dition s,e.g .to thenor mal
le ve l.
R Appl yth ebr 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. Dr
iving and parking 15
1

R
Clean thefo llo wing compone ntseve rytim e
af te rdr iving off-r oad :
- License platenum ber
- Hea dlamps andtaillam ps
- Tire s, wheels andwheel arch es
- Und erbody
R Afterdr iving thro ugh sand,mud, wateror
gr av el, have thefo llo wing compone nts
ch eckedand cleaned:
- Brak ediscs andbrak epads
- Tire sand wheels
- Axle joints ECO
star t/s topfunc tion Ope
ratio nof the ECOstar t/s topfunc tion
% The ECOstar t/ stop funct ionisno tav ailable
in all drive pr og rams, depe nding onthe
engine. Observethest atus displa yin the
multifu nctiondisplay fo rth is. The
engin eis switc hedoffaut omat icallyin the
fo llo wing situat ionsifall vehicle conditions for
an aut omat iceng inestop areme t:
R Youbr ak eth eve hicle toast ands tillin trans ‐
miss ionposit ion005Bor005C.
R Vehicl eswith a48 Von-b oard electrical
sy stem: Youdepr essthebr ak epedal when
tra veling atalow speed.
If th esy stem has detected one ofthefo llo wing
situat ions,th eengine willnotst op:
R Youstop atast op sign andther eis no vehi‐
cle infront ofyou.
R The vehicle that stopped infront ofyou
st ar ts up again.
R Youman euver,tur nth esteer ing wheel
shar plyor eng agere ve rsege ar.
% Ifth esy stem detects anintellige nt stop
inhibit or,fo rex am ple, ast op sign, theengine
will notst op.
If yo uact ivat eth eHOLD function oreng age
th epar kposition 005D,theengine canbe
switc hedoffin spit eof an intellig entstop
inhibit or. The
engine isrestar tedaut omatic allyif:
R Youen gage trans missi on positio n005B or005E.
R Youdepr esstheacceler ator pedal.
R Anautomatic enginestar tis requ ired bythe
ve hicle.
R Youre lease thebr ak epedal.
R Vehicl eswith a48 Von-b oardele ctrical
sy stem:
- Youre lease thebr ak epedal onado wnhill
gr adient andtheve hicle does notro ll.
- The vehicle rolls on ado wnhill gradien t
and does notaut omat icallyent erglide
mode at15 mp h(2 0km/h).
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. 15
2
Driving and parking

R
Neit herthe00D6 nor00D5 symbol appears
when theve hicle isat ast ands till:an intelli‐
ge nt stop inhibit orwa sde tected, forex am‐
ple, ast op sign.
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, thefo llo wing displa ymess age
appear sin themultifunc tiondispla y:
Vehicle ReadytoDrive Switchthe Ignit ionOff
Befor eEx iting
If yo udo notswit choffth eignition ,it is aut o‐
maticall yswitc hedoffaf te rth re eminut es. Deactiv
atingoractiv ating theECO star t/
sto pfunc tion #
Press button 1.
If indi catorlamp 2light sup, theEC Ostar t/
st op funct ionisactiv ated.
% Depending onthemodel andtheve hicle
eq uipment, thebutt onmayalso belocat ed
at adif fere nt positio nin thecent ercon sole. ECO
displa yfunction The
ECOdispla ysummar izesyour drivin gch ar‐
act eristic sfrom thest ar tof thejour neyto its
com pletion andassis tsyouin achie vingth e
mos teconomical driving style.
Yo ucan influen ceconsum ption bydoing thefo l‐
lo wing:
R Drivin gwit hpar ticular care
R Drivin gth eve hicle indrive pr ogr am ;
R Obser vingthege arshif tre comme ndations Dr
iving and parking 15
3

The
inner segment willlight upand theout er
segment willfill up when thefo llo wing drivin g
st yle is adop ted:
R 1 Moder ateaccelera tion
R 2 Gentle deceler ationandrolling
R 3 Consis tent spe ed
The inne rseg ment willno tlight upand theout er
segment willemptywhen thefo llo wing drivin g
st yle is adop ted:
R 1 Spor tyacceler ation
R 2 Hea vybraking
R 3 Fluct uations inspeed
The ECOdispla ywill showyo uwhen youha ve
dr iven econ omicall y:
R The thre eout ersegment sar ecom pletely fil‐
led simult aneousl y.
R The ECOdispla ylights up.
The additional rang eac hieve das are sult ofyour
dr ivin gst yle in com parison withadr iver wit ha
ve ry spor tydriving style is sho wnunder Bonus fr.
Start. The rang edispl ayed does notindicat ea
fi xe dre duction incon sum ption. DY
NA MIC SELECT switch Fu
nction oftheDY NA MIC SELECT switch *
NO
TEMercede s-AMG vehicles #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. *
NO
TEPlug -in hybrid #
Obser vetheno tesin theSupplement .
Yo uco uld other wise failto recogni ze
da ngers. %
Depe nding ontheengine andequipment,
th eve hicle hasdiffere nt drive pr ogr ams.
Use theDY NA MIC SELE CTswitc hto chang e
be tween thefo llo wing drive pr ogr ams.
The drive pr og ram sele cted app earsin themulti‐
func tion displa yof theon- boar dcom puter. =
Individual
R individual settings
C Sport
R con tinues toofferst abilit ybut withaspor ty
se tup
R allowsthespor tydriver amor eactiv edr iving
st yle
R onlysuit able forgood road con dition s,adr y
ro ad sur face and acle arstre tchof road
A Comfort
R com fortable andeconomic aldrivin g
R balan cebetween tracti onand stabilit y
R recomme ndedforall road con dition s
; Eco
R particular lyecon omical driving
R balance between traction andstabilit y
R recomme ndedforall road con dition s
F Offroad
R onlyavailable forve hicles withOf f-road pack‐
ag e 15
4
Driving and parking