warning MERCEDES-BENZ GLA 2020 Service Manual

The
engine canbeswitched offwhile thevehi-
cle isin motion bypressing andholding the
Start /Stopbutton forthree seconds. This
funct ionoperates independent lyof the ECO
start /stopautomatic engineswitch-offfunc-
tion.
Key positions withtheStar t/Stop button 0043
Start /Stopbutton
0044 Ignit ionlock
As soon asthe ignition isswitched on,allthe
indicator lampsinthe instr ument cluster light
up.
For further informationonsituations inwhich
an indicator lampeither failstogo out after
the engine isstart edorlights upwhile driving,
please referto"Warning andindicator lampsin
the instr ument cluster" (Ypage 233).
If Start /Stopbutton 0043has notyetbeen
pressed, thisisthe same asthe Smart Key
being removed fromtheignition.
X To switch onthe power supply:press
Start /Stopbutton 0043once.
The power supply isswitched on.You can
now activate thewindshield wipers,for
example.
The power supply isswitched offagain if:
R the driver's doorisopened and
R you press Start/Stopbutton 0043twice when
in this position
X To switch onthe ignition: pressStart/
Stop button 0043twice.
The ignition isswitched on.
If you press Start/Stopbutton 0043once
when inthis position, theignition is
switched offagain. Removing
theStar t/Stop button
You canremove theStart /Stopbutton from
the ignition lockandstart thevehicle asnor-
mal using theSmart Key.
You canonly switch between Start/Stopbut-
ton mode andSmart Keyoperation whenthe
vehicle isstation ary.
You must alsoengage parkposition 005D.
X Remove Start/Stopbutton 0043from ignition
lock 0044.
You donot have toremove theStart /Stopbut-
ton from theignition lockwhen youleave the
vehicle. Youshould, however, alwaystake the
Smart Keywith youwhen leaving thevehicle.
As long asthe Smart Keyisin the vehicle:
R the vehicle canbestart edusing theStart /
Stop button
R the electric allypowered equipment canbe
operated Star
ting theengine
Import antsafety notes G
WARNIN
G
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment
Addition ally,children couldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmission outof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
Smart Keywith youand lock thevehicle. This
also applies forthe Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect. G
DANGER
Combustion enginesemitpoisonous
exhaust gasessuchascarbon monoxide. 126
DrivingDriving
andparking

Inhaling
theseexhaustgases ishazardo usto
heal thand canresul tin poiso ning. There isa
risk offatal injury. Therefore, neverleavethe
engine running anenclosed spacewithou t
adeq uate ventilation. G
WARNING
Flamma blemateria lsintroduced through
environmental influenceorby animal scan
ignite ifin contact withtheexhau stsystem
or parts ofthe engine thatheat up.There is
a risk offire.
Carry outregul archecks tomake surethat
there arenoflamma bleforeign materia lsin
the engine compartment orinthe exhau st
system.
Gene ralnotes The
engine runsatahigher speedduringthe
cold start procedu reso that thecataly ticcon-
verter canreach operatingtemperature more
qui ckly. Thesound ofthe engine maychange
duri ngthis time.
Automatic transmission X
Shift thetransmission topositio n005D
(Y page 134).
The transmission positionindicator onthe
multifu nctiondisplayshows 005D
(Y page 134).
i You
canstart theengine intransmission
positio ns005D and 005C.
Start ingprocedure withtheSmart Key To
start theengine usingtheSmartKey instead
of the Start/St opbutton, pullthe Start/St op
button outofthe ignition lock.
X Turn theSmartKey topositio n0049 inthe igni-
tion lock (Ypage 125)andrelea seitas
soon asthe engine isrunning.
Start ingprocedure withtheStart /
Stop button The
Start/St opbutton canbeused tostart the
vehicle manuallywithou tinserting theSmart-
Key into theignition lock.TheStart/St opbut- ton
must beinserted inthe ignition lockand
the SmartKey mustbeinthe vehicle .This
mode forstarting theengine operatesinde-
pendently ofthe ECO start/stop automatic
engine startfunction.
You canstart theengine ifavali dSmartKey is
in the vehicle .Switch offthe engine and
alw ays take theSmartKey withyouwhen leav-
ing the vehicle ,even ifyou only leaveitfor a
short time.Payattention tothe important
safety notes.
X Depress thebrake pedaland keep it
depres sed.
X Press theStart/St opbutton once
(Y page 125).
The engine starts.
Start ingprocedure viasmart phone Observe
theimportant safetynotesonstarting
the engine (Ypage 126).
You canalso start yourengine viayou rsmart-
phone fromoutsid ethe vehicle .In this case,
the previou slyselected climatecontrolsetting
is activated. Inthis way youcan cool orheat
the interior ofthe vehicle beforestarting the
journey.
Only start theengine viayou rsmartphone ifit
is safe tostart andruntheengine whereyour
vehicle isparked.
Observe thelega lstipul ations inthe area
where yourvehicle isparked. Enginestartvia
smartphone maybelimi ted tocertain coun-
tries orregions.
You canexecute amaximum oftwo consecu-
tive starting attempts viayou rsmartphone. If
you insert theSmartKey intotheignition lock,
you can carry outtwo more starting attempts.
Once youhave started theengine, youcan
switch theengine offvia you rsmartphone at
any time.
You canonly start theengine viayou rsmart-
phone if:
R the SmartKey isin the ignition lock
R park positio n005D isselected
R the accelera torpeda lis not depres sed
R the alarm for the anti-theft alarm system is
not set
R the panic alarm isnot activated
R the hazard warning lampsare switched off
R the hood isclosed Drivi
ng
127Drivi ngand parking Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine isnot run-
ning smoothly andis
misfiring. There
isamalfunction inthe engine electron icsorinamechanical
componen tof the engine management system.
X Only depress theaccelerator pedalslightly.
Otherwise, non-combusted fuelmay getinto thecatalytic con-
verter anddamage it.
X Have thecause rectified immediately ataqual ified specialist
workshop. The
coolant tempera-
ture gauge shows a
value above 248‡
(120 †).The warning
lamp mayalsobeon
and awarning tonemay
sound. The
coolant levelistoo low. Thecoolant istoo hotand theengine is
no longer beingcooled sufficiently.
X Stop assoon aspossible andallow theengine andthecoolant to
cool down.
X Check thecoolant level(Ypage 277). Observe thewarning notes
as you dosoand add coolant ifnecessary. Notes
ontowing vehicles
The vehicle isnot suitable forattaching tow
bar systems, suchasthose usedforflat tow-
ing ordinghy towing.
Att aching orusing towbarsystems mayresult
in damage tothe vehicle.
When towing avehicle withtowbarsystems,
safe driving characterist icscannot beguaran-
teed forthe towing vehicle orthe towed vehi-
cle.
The vehicle/trailer combinationmayswerve.
Observe thepermissible towingmethods
(Y page 301)andthenotes ontowing with
both axles onthe ground (Ypage 301). DYNAMIC
SELECTbutt on(all vehi-
cles except Mercedes-AMG vehicles)
Use theDYNAMIC SELECTbutton tochange
the drive program. Depending onthe drive pro-
gram selected thefollowing vehiclecharacter-
istics willchange:
R the drive (engine andtransmission manage-
ment)
R the sound ofthe exhaust system(vehicles
with sports exhaust system)
R the steering
R the availa bilityofthe ECO start/ stopfunc-
tion
R the climate control Each
timeyoustart theengine withtheSmart-
Key orthe Start /Stopbutton, driveprogram C
is activated. Forfurther information about
startin gthe engine, see(Ypage 126). X
Press DYNAMIC SELECTbutton 0043asmany
times asnecessary untilthedesired drive
program isselected.
The selected driveprogram appearsinthe
multifunct iondisplay .Aft erfive seconds, the
display goesoutand thestatus symbol of
the selected driveprogram appears.
In addition, thecurrent driveprogram set-
tings aredisplay edbriefly inthe multimedia
system display.
i In
afew countr ies,theECO start/ stop
funct ionisdeactivated atthe factory dueto
the availa blefuel grade. Inthis case, the
ECO start/ stopfunct ionisnot availa blein
any drive program, regardless ofthe display
in the multimedia systemdisplay. 132
DY
NAMIC SELECTbutt on(all vehicl esexce ptMercedes-AMG vehicles)Driving andparking

Holdi
ngthe vehi clestationary on
uphill gradien ts G
WARNING
If the clutch overhe ats,theelectronic man-
age ment system isau tomatica llydea ctiva-
ted. This interrup tsthe pow ertransmissi on.
The vehicl emay ,for exampl e,roll back-
war dson grad ients. There isarisk ofan
accide nt.
Never holdthevehicl estationa ryon uph ill
grad ients bydepre ssing theaccele rator.
The clutch mayoverhe atifyou hold thevehi-
cle stationa ryon uph illgrad ients bydepre ss-
ing the accele ratorpedal.If the clutch over-
hea ts,awar ning tone sound s.
All vehi cles(ex cept Merce des-AMGvehi -
cle s): the Stop Vehicle Shiftto'P' Stop
Vehicle Shiftto'P'
Leave Engine Running Leave
Engine Running displaymessa ge
app ears inthe multi function display.You will
only beableto continue yourjourney oncethe
clutch hascoole ddow nand thedisp laymes-
sage inthe multi function displayhas disap-
pea red.
Merce des-AMGvehi cles:the Trans. Oil Trans.
Oil
Overhea tedDrive onwith Care Overhea
tedDrive onwith Caredisplay
messa geapp ears inthe multi function display.
Do not hold thevehicl estationa ryon uph ill
grad ients bydepre ssing theaccele ratorpedal.
Instead, onlyever hold thevehicl estationa ry
on uph illgrad ients by:
R depre ssing thebrake pedal
R activa tingtheHOLD function
R engag ingthe electric parkingbrake
Ki ckdow n Use
kickdown formaximu maccele ration.
X Depress theaccele ratorpedalbey ond the
pressu repoint.
The automatic transmissi onshifts toalow er
gea rdepe nding onthe engine speed.
X Ease offthe accele ratorpedalonce the
desi redspee dis reache d.
The automatic transmissi onshifts backup.
Merce des-AMGvehi cles:itis only possi ble
to use kickdown inthe automatic drivepro-
gram andthetempora rymanua ldrive progra m
M. When manua ldrive progra mM isperma -
nently activated,kickdown isnot possi ble. For
further informa tiononkickdown inmanua l
drive progra mM (Y pag e142) .
Rocki ngthe vehi clefree Shifting
backandforth betwe entransmissi on
posi tions 005Band 005Ecan help tofree upthe
vehicl eif it gets stuck inmud orsnow. The
vehicl e'sengine management system limits
the spee dto amaximu mof 5mph (9km/h)
when shifting backandforth. Toshift repea t-
edl ybetwe entransmissi onposi tions 005Band
005E, move theDIRECT SELECT leverup and
dow npas tthe point ofresis tance. Drive
programs
Al lvehi cles(ex cept Merce des-AMG
vehi cles) Drive
program C(Co mfort)
Drive progra mCis chara cterized bythe follow-
ing:
R the vehicl edel ivers comfortabl e,economica l
handl ingchara cteristics.
R the vehicl epul lsawa ymore gently in
forwa rdand reverse gears,unle ssthe accel-
erator pedalis depre ssedfully.
R the vehicl ehas impro veddrivi ngstabi lity,
for exampl eon slippery roadsurfaces.
R optima lfuel consumpti onresu lting from the
au tomatic transmissi onshifting upsooner.
The vehicl eis drive nin the low engine speed
range andthewhee lsare less likelyto spin.
Drive program S(Spo rt)
Drive progra mSis chara cterized bythe follow-
ing:
R sporty engine settings.
R the automatic transmissi onshifts uplater.
The fuel consumpti onpossi blybeing high er
as aresu ltof the later automatic transmis-
sion shift points.
Drive program I(I ndivi dual)
In drive progra mIthe followi ngprope rtiesof
the drive progra mcan besele cted:
R the drive (engineand transmissi onmanag e-
ment)
R the steering 138
Automatic
transmissio nDrivingand parking

G
WARNING
Fuel sare toxic andharmfu lto hea lth. There
is arisk ofinjury .
You must avoidfuel scoming intocontact
with skin, eyesand clothes orbei ng swa l-
low ed.
Do not inhal ethe fuel vapo rs.Keep children
awa yfrom fuels.
Keep doors andwindo wsclosed duringthe
refue lingprocess .
If you orothers comeintocontact withfuel,
obse rvethe followi ngpoints:
R Immedi atelyrinse thefuel offyou rskin
with soap andwate r.
R Ifyou getfuel into youreye s,immed iately
rinse youreye sthrough lywith clean
water .Seek medicalattention immedi-
ately .
R Seek medicalattention immediatelyif fuel
has been swallowed .Do not indu cevomit-
ing.
R Immedi atelychange outofclothing which
has come intocontact withfuel. G
WARNING
Electrostatic chargingcan leadto the crea-
tion ofspar ksand ignite fuelvapo r.There is
a risk offire and explo sion.
Tou chthe metall icbody ofthe vehicl e
before youopen thefuel filler cap orhandl e
the pump nozzle. Anypossi bleelectrosta tic
charge presentwil lin this way bedepl eted.
Do not getinto thevehicl eaga induri ngthe
refue lingprocess .Otherwi se,electrosta tic
charge couldbui ldup aga in.
! Do
not use diesel torefue lvehicl eswith a
gaso lineengine. Donot switch onthe igni-
tion ifyou accide ntallyrefuelwith thewrong
fuel .Otherwi se,the fuel willenter thefuel
system. Evensmallamou ntsofthe wrong
fuel couldresu ltin dama getothe fuel sys-
tem andtheengine. Notifyaqua lified spe-
cial istworksho pand have thefuel tank and
fuel lines drained comple tely. !
Overfil
lingthefuel tank coulddama gethe
fuel system.
! Take
carenottospil lany fuel onpainted
surfa ces.Youcouldotherwi sedama gethe
pai ntwork.
! Use
afilter when addingfuel from afuel
can. Thefuel lines and/or thefuel injection
system couldotherwi sebe blocked byparti-
cles from thefuel can.
Do not getinto thevehicl eaga induri ngthe
refue lingprocess .Otherwi se,electrosta tic
charge couldbui ldup aga in.
If you overfil lthe fuel tank, fuelcouldspra y
out when thefuel pump nozzle isremoved .
For further informati ononfuel andfuel quality
(Y pag e335). Refuel
ing
Gene ralinfo rmation Pay
attention tothe importa ntsafety notes
(Y pag e142) .
The fuel filler flap isunlocked /lockedautomat-
ical lywhen youunlock/lo ckthe vehicl ewith
the SmartKey .
The position ofthe fuel filler cap isdisp layed
00D4 inthe instrument cluster.Thearrow on
the filling pump indicatesthe side ofthe vehi-
cle. On
the insid eof the fuel filler cap, youwillfind
informati ononthe recommende dfuel . Refuel
ing
143Drivingand parking Z

Opening
thefuel filler flap 0043
Toopen thefuel filler flap
0044 Tire pressure table
0087 Toinsert thefuel filler cap
0085 Instruct ionlabel forfuel type tobe refu-
eled
X Switc hoff the engine .
X Remove theSmart Keyfrom theignition
lock.
or, invehicles withKEYLE SS-GO start -function
or KEYLE SS‑GO
X Open thedriver's door.
The vehicle electronics arenow inposition
005A. This isthe same asthe Smart Keyhaving
been removed.
X Press thefuel filler flapinthe direct ionof
arrow 0043.
The fuel filler flapswings up. X
Turn thefuel filler capcount er-clockwise
and remove it.
X Inser tthe fuel filler capinto theholder on
the inside offuel filler flap0087.
X Completely insertthefiller neck ofthe fuel
pump nozzleinto thetank ,hook inplace
and refuel.
X Only fillthe tank untilthepump nozzle
switches off.
i Do
not add anymore fuelafter thepump
stops fillingforthe first time. Otherwise, fuel
may leakout.
Closing thefuel filler flap X
Replace thecap onthe filler neck andturn
clock wiseuntilitengages audibly.
X Close thefuel filler flap.
Close thefuel filler flapbefore lockingthe
vehicle.
If you aredriving withthefuel filler capopen,
the 00B6 reserv efuel warning lampflashes. A
message appearsinthe multifunc tiondisplay
(Y page 219).
In addition, the00B9 Check Engine warning
lamp maylight up(Ypage 239).
For furth erinfor mation onwarning andindica-
tor lamps inthe instrument cluster,see
(Y page 239). 144
RefuelingDriving
andparking

Problems
withfuelandthefuel tank Problem
Possible
causes/co nsequences and0050 0050
Solutions Fuel
isleaking fromthe
vehicle. The
fuel lineorthe fuel tank isfaulty.
G WARNING
Risk ofexplosion orfire.
X Apply theelectric parking brake.
X Switch offthe engine.
X Remove theSmartK eyfrom theignition lock.
or, invehicles withKEYLE SS-GO start- functionorKEYLE SS‑GO
X Open thedriver's door.
The vehicle electron icsare now inposition 005A.This isthe same
as the SmartK eybeing removed fromtheignition.
X Do not restart theengine underanycircumst ances.
X Consult aquali fiedspecialist workshop. The
fuel filler flapcan-
not beopened. The
fuel filler flapisnot unlocked.
X Unlock thevehicle (Ypage 69). The
SmartK eybattery isdischarged ornearly discharged.
X Unlock thevehicle usingthemechanical key(Ypage 76). The
fuel filler flapisunlocked, buttheopening mechanism isjam-
med.
X Consult aquali fiedspecialist workshop. Parking
Import
antsafety notes G
WARNING
Flammable materialsuchasleaves, grassor
twigs mayignite ifthey come intocontact
with hotparts ofthe exhaust systemor
exhaust gasflow. There isarisk offire.
Park thevehicle sothat noflammable mate-
rials come intocontactwith parts ofthe
vehicle whicharehot. Take particular care
not topark ondry grassland orharvested
grain fields. G
WARNING
If children areleft unsupervised inthe vehi-
cle, they could:
R operate thevehicle's equipment Additionally,
childrencouldsetthe vehicle in
motion if,for example, they:
R release theparking brake
R shift theautomatic transmissionoutof
park position 005D
R start theengine
There isarisk ofan accident andinjury.
Never leavechildren oranimals unattended
in the vehicle.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. This
also applie sfor the Digital Vehicle Keyifthe
"Digital Vehicle Key"functionisactivated via
Mercedes meconn ect.
! Always
securethevehicle correctlyagainst
rolling away.Otherwise, thevehicle orits
drivetrain couldbedamaged. Park
ing
145Driving andparking Z

The
electric parking brakeisnot automatically
applied ifthe engine isswitched offbythe
ECO start/stopfunct ion.
Releasing automat ically Your
vehicle's electricparking brakeisauto-
matically releasedifall ofthe following condi-
tions aremet:
R The engine isrunnin g
R The trans mission isin position 005Bor005E and
you depress theaccelerator pedalorshift
from position 005Dto005B or005E
R The seat beltisfasten ed
If the trans mission isin position 005E,thetail-
gate must beclosed.
If your seatbeltisnot fasten ed,the following
condit ionsmust befulfilled toautomatically
release theelectric parking brake:
R The driver's doorisclosed.
R You areshiftin gfrom transmission position
005D orhave previously drivenatspeeds
greater than2mph (3km/ h)
Ens ure that youdonot depress theaccelera-
tor pedal unintention ally.Otherwise, thepark-
ing brake willbereleased andthevehicle will
start tomove.
Emergency braking The
vehicle canalso bebraked duringan
emergenc yby using theelectric parking brake.
X While driving, pushhandle 0043ofthe electric
parking brake(Ypage 147).
The vehicle isbraked aslong asyou keep
handle 0043ofthe electric parking brake
pressed. Thelonger theelectric parking
brake handle 0043isdepressed, thegreater
the braking force.
During braking:
R awarning tonesounds
R the Release ParkingBrake Release
ParkingBrakemessage
appears
R the red 0049 (USAonly)or0024 (Canada
only) indicator lampinthe instr ument clus-
ter flashes
When thevehicle hasbeen braked toastand-
still, theelectric parking brakeisapplied. Park
ingthe vehicle foralong period
If you leave thevehicle parkedforlonger than
four weeks, thebattery maybedamaged by
exhaustive discharging.
If you leave thevehicle parkedforlonger than
six weeks, thevehicle maysuffer damage asa
result oflack ofuse.
X Visit aqualified specialist workshop and
seek advice.
i You
canobtain informationabout trickle
chargers fromaqualified specialist work-
shop. Driving
tips General
notes
Import antsafety notes G
WARNIN
G
If you switch offthe ignition whiledriving,
safety-relevan tfunct ionsareonly availab le
with limitations, ornot atall. This could
affect ,for example, thepower steerin gand
the brake boosting effect.You willrequire
considerably moreeffort tosteer andbrake.
There isarisk ofan accident .
Do not switch offthe ignition whiledriving. G
WARNIN
G
Mobile commun icationsequipment distracts
the driver fromtrafficcondit ions.Inaddi-
tion, thedriver couldlosecontrolofthe
vehicle. Thereisarisk ofan accident .
As adriver, usemobile commun ications
equipment onlywhen thevehicle isat a
standst ill.
As avehicle occupant ,use mobile commun i-
cations equipment onlyinthe designated
area, e.g.therear passenger compartment.
Observe thelegal requirement sfor the count ry
in which youaredriving. Somejurisdict ions
prohibit thedriver fromusing amobile phone
while driving avehicle.
If you make acall while driving, alwaysuse
hands-f reemode. Onlyoperate thetelephone 148
Driving
tipsDriving andparking

when
thetraffic situation permits.If you are
unsur e,pull over toasafe locat ionand stop
befo reoper atingth etele phon e.
Bear inmin dth at ataspeed ofonly 30mph
(appro ximately 50km/h), thevehic lecov ers a
dist anceof 44 ft(appro ximately 14m)per
sec ond .
Drive sensibly –sav efuel Obser
vethefollo wing tipstosave fuel:
R The tires should always beinflated tothe
rec omm endedtirepres sure.
R Remov eunn eces sary loads.
R Remov eroof rackswhen they are not nee-
ded.
R Warm uptheeng ineatlow enginespeeds .
R Av oid frequent accelerat ionorbrak ing.
R Have allmain tenanc ework carried outas
indic ated bytheserv iceinterv als inthe
Maint enanceBoo klet orby theserv iceinter-
val display.
Fuel consumpt ionalso increase swhen driving
in cold weath er,instop- start traffic andinhilly
ter rain .
Drink ingand driving G
WAR
NING
Dr ink ing and drivingand/ ortak ing drugs
and drivingare verydang erous combina-
tio ns.Ev en asmall amoun tof alcoh olor
drugs canaffectyour reflexe s,perc eptions
and judg men t.
The poss ibilityof aserio usoreven fatal
acc iden tis great lyinc rease dwhen youdrink
or tak edrugs anddrive.
Do not drinkor tak edrugs anddriveor allow
anyon eto driv ewho hasbeen drinkingor
tak ing drugs .
Emiss ioncontr ol G
DANGER
Combust ionengines emit poison ous
exh aust gases suchascar bon mon oxide.
In halin gth ese exhaust gases ishazar dous to
healt hand canresult inpoison ing.Ther eis a
risk offat alinj ury. Ther efore,nev erleave the eng
inerunningan enc losed spacewith out
adequat even tilat ion.
Cert aineng inesyst ems aredesign edtokee p
th elevel ofpoison ouscom ponentsin exh aust
fume swith inlegal limits.
These systems onlywork atpeak efficien cyif
th ey are serv iced exactlyinacc ordan cewith
th eman ufact urer'sspec ification s.Always have
work ontheeng inecarried outataqualified
spec ialist workshop. Mercedes- Benzrec om-
men dsthat you useanautho rized Merc edes-
Ben zCent erfor this purpos e.In part icular ,
work relevanttosafet yor on safet y-relate d
syst ems must becar ried outataqualified spe-
cialis twork shop.
The enginesettings must notbechan ged
under anycircums tances .Furt herm ore,all
spec ificserv icework must becar ried outat
regular interv als and inacc ordan cewith the
Merc edes- Benzserv icerequir ements.Det ails
can befoun din theMaint enanceBoo klet. ECO
display
The ECO display showsyouhow econom ical
your drivingstyle is.The ECO display assists
you inachie vingth emost econom icaldriving
st yle fortheselec tedsettings and prev ailing
con ditions .Your drivingstyle can significant ly
inf luenc eth evehic le'sconsumpt ion. 0043
Accele ration
0044 Coast ing
0087 Cons tant
0085 Add itional rangeachie ved
Range 0085isshown underBonusfr. Start Bonu
sfr. Start
and represen tstheaddit ional rangeachie ved
sin ce thebegin ningof thejour ney asaresult
of an adapte ddriv ingstyle.
If th efuel level hasdropp edintoth erese rve
ran ge, theFuel Low Fuel
Lowmess ageisshown inthe
mult ifunction display instead ofran ge0085. The
00B6 warninglamp intheins trumen tclust er
also lightsup (Ypage 239). Drivin
gtip s
149Driving andparking Z

take
advantag eof eng inebraking .For this
yo umu stfirst acti vate ma nua lge arshi ftin g.
Thi she lpsyo uto avoid ove rheating the
bra kes and wearing themoutexce ssivel y.
Wh enyoutake advantag eof eng inebraking ,
it is po ssi ble tha ta dri ve wheelwi llnot
rota tefor som etim e,e.g .on aslip pe ry roa d
su rfa ce. Thiscou ldcau sedama getothe
dri ve train. Thistyp eof dama geisnot cov-
ere dby the Merced es-Benz warranty.
Bri eflyde pre ssing the accelera tor pedalon
do wnh ill gra dients while the manua ldri ve pro -
gra mM istemp orarilyacti vated :the automa tic
tra nsmi ssion maysw itch tothe last acti ve
au toma ticdrive pro gramEor S.The automa tic
tra nsmi ssion mayshi ftto ahighe rge ar.Thi s
can reduce theengine'sbra king effect.
He avy and light loads G
WA
RNING
If yo ures tyo ur foo ton the brakepedal
wh ile dri vin g,the braking syste mcan over-
he at. Thisincr easesthe stop ping dista nce
and canevencau sethe braking syste mto
fa il. The reisaris kof an acc ident.
Nev erusethe brakepedalas afoo tres t.
Nev erdepre ssthe brakepedaland the
acc elera tor pedalat the same time.
! Dep
ressing the brakepedalcons tantly
res ults inexce ssive and prematurewe arto
the brakepads.
If the brakes have been subje cted toahe avy
lo ad ,do not stop thevehicleim med iatel y.
Dri veon for asho rtwh ile. Thi sal lo ws the air-
flo wto coo lthe brakes morequ ickl y.
We troad s If
yo uha ve driven foralong tim ein he avyra in
wi thou tbra king ,the rema ybe ade laye drea c-
tio nfro mthe brakes when bra king forthe first
tim e.Thi sma yal so occu raf ter the vehicleha s
be en washe dor driven throughde ep water.
Yo uha ve todepre ssthe brakepedalmor e
fir ml y.Ma inta inagre aterdi sta nce fromthe
veh iclein fro nt.
After drivin gon awe troa dor havin gthe vehi-
cle washe d,bra kefirml ywh ile pa ying atte ntion
to the trafficcond itions .Thi swi llwa rm upthe bra
kediscs ,the reb ydry ing themmor equ ickl y
and protecti ngthe magainst corr osion.
Li mite dbrak ingperf orman ceon salt-
treate droad s If
yo udri ve on salte droa ds,a laye rof saltres i-
du ema yfor mon the brakediscs and brake
pa ds.Th iscan resultin asigni ficantl ylo nge r
bra king dista nce.
R In ord erto pre vent anysaltbu ild-u p,apply
the brakes occa siona lly wh ile pa ying atte n-
tio nto the trafficcond itions .
R Ca ref ully de pre ssthe brakepedaland the
be ginning andend ofajou rney .
R Ma inta inagre aterdi sta nce tothe vehicle
ah ead.
Se rvi cing the brak es !
Th
ebra kefluidlevel maybe too low, if:
R ifthe red brakewarning lamp lights upin
the instrument cluste rand
R youhe ar awa rning tone while the engine
is running
Ob serve additio nal warning mes sage sin the
mu ltifu nctio ndisp lay.
Th ebra kefluidlevel maybe too low du eto
bra kepadwe aror leaki ng bra kelines .
Hav ethe brakesyste mche cked immed i-
ate ly.Co nsu ltaqu alifi ed speci alistwo rk-
sho pto arrange this.
! A
functio nor perfo rma nce testsho uld onl y
be car riedou ton a2-a xle dynam ome ter.If
yo uwi sh toopera tethe vehicleon such a
dy nam ome ter,plea se cons ulta qu alifi ed
sp eci alistwo rksh opinad vance. Youcou ld
othe rwise da ma gethe drive trainor the
bra kesyste m.
! As
the ESP ®
sy ste mopera tes automa ti-
cal ly,the engineand theigniti onmu stbe
sw itch edoff (theSma rtKeymu stbe inpo si-
tio n0092 or0047 inthe igniti onlock), ifthe
el ectr icpa rki ng bra keistes ted onabra king
dy nam ome ter(ma ximum 10second s).
Bra king triggered automa tically by ESP ®
ma ycau sesever eda ma getothe brakesys-
tem.
All che cks and mainte nanc ewo rkon the brake
sy ste mmu stbe car riedou tat aqu alifi ed spe-
cia list wo rksh op. Dr
ivi ng tips
151Dr ivi ng andparki ng Z