engine MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual

#
Inser tthe scr ewdriver int othe opening and
mo vether elease le veru ntil thet ailgate
unloc ksand opens. #
Liftthe tailgat eupwards. EAS
Y-PA CK tailgate Note
sont he EAS Y-PA CK tailgate &
DANG ER Risk of exhaus tgas poisoning
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if thet ail‐
gate is open when thee ngine is running,
especially if thev ehicle is in motion. #
Alwayss witc hoffthee ngine before
opening thet ailgate. #
Neverd rive wit hthe tailgat eopen. *
NO
TEDama getothet ailgat ecaused by
obs tacles ab ovethev ehicle The
tailgat eswings rear wa rdsa nd upwards
when it is opened. #
Mak esuret hat ther eiss ufficient space
behind and ab ovethet ailgate. %
Yo
uw illfind de tails of thet ailgat eopening
dimension sunder "Technical data"
(/ page232).
Obstruction de tection wit hreve rsing function
The tailgat eise quipped wit hautomatic object
de tection wi threve rsing function .Ifasolid object
bloc ksorrestricts thet ailgat eduring thea uto‐
matic closing process, thet ailgat eopens again
automaticall y.The automatic object de tection
wi th reve rsing function is onl yanaid. It is no ta
substitut efor your attentiveness when closing
th et ailgate. &
WARNING Risk of becoming trapped
despit ereversing function
The reve rsing featur edoes no treact:
R tosoft, light and thin objects, e.g. fingers
R overthe last 00C2in (8 mm) of thec losing
mo vement
The reve rsing featur etherefor ecann otpre‐
ve nt someone being trappe dinthese situa‐
tions. #
Mak esuret hat no body parts ar einthe
closing area.
If someone is trapped: R press the008C button on thek eyor
R press thec losing button on thet ailgat eor
R pull theh andle of thet ailgate Opening and closing
theE ASY-PA CK tailgate
Requ irements:
R The rear wind owis closed.
R The tailgat eisu nlocked.
R Ther eareno persons within thes winging
ra ng eoft hetailgate.
R Ve
hicles with rear windo wwhich can be
opene dsepa rate ly:the 008C button of the
ke ym ustbep rogrammed toopen and close
th et ailgat e(/pag e54).
Opening #
Press but ton1intheh andle and step out of
th es winging rang eoft hetailgate.
or #
Press the008C button of thek eyforl onger
th an 0. 5seconds.
Au tomatic operation is star ted. The tailgate
opens and swings upwards.
In addition ,you will hear tw owarning signals. 52
Opening and closing

Closing
#
Press button 2inthet ailgat eand step out
of thes winging rang eoft hetailgate.
or #
Press the008C button of thek eyforl onger
th an 0. 5seconds.
Au tomatic operation is star teda nd thet ail‐
ga te closes.
During closing, closing button 2flashes and
tw ow arning tones sound.
In te rru pting automatic operation #
Press button 1intheh andle again.
or #
Press closing button 2inthet ailgat eagain.
or #
Press the008C button on thek eyagain for
longer than 0. 5seconds.
Ad justin gthe opening angle of the tail gate
Setting thee nd position
Yo uc an se tthe opening angle of thet ailgat eby
saving thed esired position as thee nd position. #
Open thet ailgat eand stop automatic opera‐
tion in thed esired position.
or #
Open thet ailgat eand manuall yswing it into
th ed esired position. #
Press and hold the008C closing button on
th et ailgat euntil thec onfirmation tone
sounds once.
The cur rent position of thet ailgat ehas been
sa ve dast he end position. Re
setting tothem aximum openin gangle #
Open thet ailgate. #
Press and hold the008C closing button on
th et ailgat euntil thec onfirmation tone
sounds twice.
The sa vede nd position has been dele teda nd
th et ailgat eopens again tothem aximum
ex tent.
Re setting thet ailgate
Yo um ustrese tthe tailgat eift herehas been a
malfunction or an inter ruption in thev oltag esup‐
ply. #
Ifth et ailgat eisopen: close thet ailgat eby
hand. #
Brief lypress theb utton in theh andle of the
ta ilgate, step out of thes winging rang eoft he
ta ilgat eand open thet ailgate. #
When thet ailgat eisfullyo pen, press the
008C closing button in thet ailgat eand step
out of thes winging rang eoft hetailgate.
The tailgat ecloses. When thet ailgat eisf ully
closed, it is rese ta nd operational.
% When the008C button of thek eyis prog ram
fo ro perating thet ailgat e(/pag e54), you
can also use thek eytoopen and close the
tai lgate.
Opening and closing ther ear window &
DANG ER Risk of poisonin gfrome xhau st
ga ses
Combustion engines emit poisonous exhaust
ga ses, suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if ther ear
windo wisopen when thee ngine is running,
especial lyifth ev ehicle is in motion. #
Alwayss witc hoffthee ngine before
opening ther ear windo w. #
Neverd rive wit hthe rear wind owopen. Re
quirements:
R The vehicle or cargo compartment is
unloc keda nd thet ailgat eisc losed.
R The 008C button on thek eyis prog rammed to
open ther ear windo w(/pag e54). Opening and closing
53

Opening
#
Press the008C button on thek ey.
or #
Press button 1ontheh andle on ther ear
windo w.
Closing #
Swin gthe rear wind owdown and push it
closed.
Prog rammin gthe keyb utton fort he tail gate
or rear window
Re quirements:
R The tailgat eand ther ear windo wareclosed.
R The ignitio nisswitched on.
If yo ur vehicle is equipped wit hanEASY-PA CK
ta ilgate, youc an prog ramt he008C button on the
ke ye ither toopen/close thet ailgat eortoo pen
th er ear windo w. #
Press theb uttons in theh andle of thet ailgate
and in theh andle of ther ear windo wsimulta‐
neously fora pproxima tely five seconds.
Af ters uccessfully changing thef unction, the
ve hicle tur nsignal lamps flash once. #
Chec kthe function of the008C button on the
key. Re
ar-end doors Opening and closing
ther ear-en ddoor sfrom
outside &
DANG ER Risk of poisonin gfrome xhau st
ga ses
Combustion engines emit poisonous exhaust
ga ses, suc hascarbon monoxide. Exhaust
ga ses can enter thev ehicle interior if thet ail‐
gate orther ear-end door is open when the
engine is running ,especial lyifth ev ehicle is
in motion. #
Alwayss witc hoffthee ngine before
opening thet ailgat eortherear-end
door. #
Neverd rive thev ehicle when thet ail‐
ga te or rear-en ddoor is open. &
WARNING Risk of inju rydue tother ear-
end door swinging open
When youo pen arear-end door ,the following
can occur:
R Youora nother person can be injured.
R Aperson ma ybestruckbyo ncomin gtraf‐
fi c.
Thi sisp articularly thec ase if youo pen the
re ar-en ddoor mor ethan 90° or if it opens in
an uncontro lled manner.
Even rear-en ddoor sw hicha reproperly
closed can swin gopen when thev ehicle
par kedisonani nclineoritisw indy. #
Onlyopen arear-end door when the
traf ficc onditions and sur rounding sper‐
mit. #
Alwaysm akes uret hat ther ear-end
door sareproper lyclosed. &
WARNING Risk of accident du etocon‐
cealed lighting sy stems
If yo uo pen ther ear-end door sby90°,the
re ar lighting ins tallation swill be concealed.
Other road user swillthen no tbea bletosee
th ev ehicle, or will see it only wit hdifficulty.
The refore ,int hese or similar situations, safe‐
guar dthe vehicle in accordance wit hnational
re gulations, e.g. wit hawarning triangle. 54
Opening and closing

Problems with
thes ide windo ws Problem
Possible causes/consequences and 0050 0050Solutions
Yo uc anno topen or close
as ide wind owallthew ay. &
WARNING Risk of becoming trapped or fata llyi njured if reve rs‐
ing pr otection is no tactivated
If yo uc lose aside wind owagain immediatel yafter it has been
bloc ked, thes ide windo wwill close wit hincreased or maximum
fo rc e. The reve rsing function is then no tactiv eand body parts may
become trapped. #
Mak esuret hat no parts of theb ody ar einthe closing area. #
Tostop thec losing process, release theb utton or press the
button again toreopen thes ide windo w. If
th er ea reno object sorleavesint he windo wguide pr eventing thew in‐
do wf romc losing, ther em ayhave been amalfunction or an inter ruption
to theo n-boar delectrical sy stem voltage. #
Resetthe side windo ws (/pag e58). Anti-thef
tpreve ntion Fu
nction of thei mmobilizer The immobilize
rpreve nts your vehicle from being
st ar tedw ithout thec orrect key.
The immobilizer is automaticall yactivated when
th ei gnition is switched off, and deactivated when
th ei gnition is switched on.
When leaving thev ehicle, alw ayst aket he key
wit hyou and loc kthe vehicle. If thek eyis left
inside thev ehicle, an yone can star tt he engine. ATA
(Anti-Thef tAlarms ystem) Fu
nction of ATA(Anti- theftA larms ystem)
If th eA TAsystem is armed, avisual and audible
alar mist riggered in thef ollowing situations:
R When opening adoor
R when openin gthe vehicle wit hthe emergency
key
R When opening theh ood
R When opening thet ailgat eorrear-end door
Af terl ocking thev ehicle wit hthe key,theA TA
sy stem is automaticall yarmed. When
theA TAsystem is armed, indicator lamp
1 flashes in theo verhead cont rolp anel.
AT Aisa utomatica llyd eactivated in thef ollowing
situations:
R Afteru nlocking thev ehicle wit hthe key.
R When thek eyis inser tedi ntot he ignition
loc k.
% The alar
misnotdeactivated, evenify ou
immediatel yclose theo pen door that has
triggered it, fore xamp le. Opening and closing
59

#
Press and hold button 1until youh ear a
clic kfollo wedbyt he mir rora udibly engaging
in position.
The mir rorh ousing willn owbe engaged and
yo uw ill be able toadjus tthe outside mir rors
as normal.
Heatin gthe outside mir rors
Ve hicles without arear windo wheater: at
te mp eratures belo w59°F (15°C), them irror
heater will automaticall yswitc honp ermanently
once thee ngine has been star ted.
Ve hicles with arear windo wheater: attemp er‐
atures belo w59°F (15°C), them irro rh eater will
automatically switc honfortenm inuteso nce the
engine has been star ted. The mir rorh eater can
also be switched on toget her wit hthe rear win‐
do wh eater. #
Swit chon thei gnition. #
Press the006C button on thec ont rolp anel
fo rt he air conditioning.
The indicator lam ponthe006C button lights
up and them irro rh eater switches on toget her
wit hthe rear wind owheater. Dimming
thei nsid erearvie wmirror #
Fold anti-glar elever 1inthed irection of the
ar row. Operating sun visors #
Glar efromf ront: fold sun visor 1down‐
wa rds. #
Glar efromt he side: swivels un visor 1to
th es ide. Light and vision
89

Re
ar dual-zone automatic climat econtrol #
Switc hont he dual-zone automatic climate
contro l. #
Toswitc hon:press the004E button on the
air conditioning operatin gunit.
The indicator lam ponthe004E button will
light up when ther ear climat econtrol is
swit ched on. The settings fort emperature,
air flow and, if arear compartment air condi‐
tionin gsystemisi nstalled, air distribution will
be adop tedf or ther ear compartment climate
control.
3-zone automatic clima tecontrol ,rear com‐
partment #
Switc hont he 3-zone automatic climat econ‐
trol.
To switc hon: #
Press the004E button on thea utomatic cli‐
mat econt rolo peratin gunit.
The indicator lam ponthe004E button will
fl ash. The operatin gunit displa ywill sho wthe
second menu le velfor thet emperatur eand
air flow setting of ther ear air conditioning sys‐
te m. #
Press the0097 button and se tablowe rset‐
ting fort he rear climat econtrol.
The blo wersettings willbes hown onthed is‐
pla yasab ar graph. The rear air conditioning
sy stem will be switched on. #
If necessar y,se tthe temp eratur efor ther ear
climat econtrol usin gthe temp eratur econ‐
trol.
The displa ywill sho wthe selected rear com‐
partment temp erature.
If yo udon otsetan ew va lue within appr ox‐
imatel yten seconds, theo perating unit display
will retur ntot hefirs tm enu le velfor thea uto‐
matic climat econt rols ettings .The indicator lamp
on the 004E button will light up continuousl y.
% The air distribution settinga
pplies bothtothe
automatic climat econtrol and tother ear air
conditioning sy stem and cann otbe se tsepa‐
ra tely fort he two. #
Toswitc hoff:press the004E button on the
automatic climat econtrol operatin gunit.
The indicator lam ponthe004E button will
fl ash. The operatin gunit displa ywill sho wthe
second menu le velfor thet emperatur eand
air flow setting of ther ear air conditioning sys‐
te m. #
Press the0095 button and then press it again
once thel owest blowersetting has been
re ached.
The operatin gunit displa ywill go of fand the
re ar air conditioning sy stem will be switched
off.
If yo udon otsetan ew va lue within appr ox‐
imatel yten seconds, theo perating unit display
will retur ntot hefirs tm enu le velfor thea uto‐
matic climat econt rols ettings .The indicator lamp
on the 004E button will go out.
% When
thev ehicle is star ted, thec limat econ‐
trol settings mos trecently selected will be
adop teda utomaticall y. Switching
theA /C function on/off Re
quirements
R The climat econtrol sy stem has been
switched on (/ page91).
R The engine is running.
Whe nthe "Cooling wit hair dehumidification"
function is switched on, thea ir inside thev ehicle
is cooled and dehumidified according tothet em‐
peratur eselected.
Fo r3 -zone automatic clima tecontrol, thef unc‐
tion fora utomatic clima tecontrol settings can be
acti vatedord eactivated onl yonthefirs tm enu
le ve l. If youdon otsetan ew va luefort he rear
compartment climat econtrol on thes econd
menu le velw ithin appr oximatel yten seconds, the
control panel displa ywillgob acktot hefirst
menu le vel. #
Press the005A button.
The indicator lam ponthe005A button will
light up when thef unction is switched on.
% Switc
hofftheA /C function onl ybrief ly.O th‐
erwise, thew indo wscould fogupm ore
qu ickl y.
% Condensation ma
yleak from theu nderside of
th ev ehicle in cooling mode. This is no tasign
of am alfunction. Au
tomaticall yregulating climat econtrol Re
quirements:
R The climat econtrol sy stem has been
switched on (/ page91).
3-zone automati cclimat econtrol
When 3-zone automatic climat econtrol is in auto‐
matic mode ,the se ttemperatur ewill automati‐ 92
Climat econt rol

Driving
Ke
yp ositions &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nsupervised in thev ehi‐
cle, they could, in pa rticular:
R open doors, thereb yendangering other
persons or road users.
R geto utand be stru ck byoncomin gtraffic.
R operat evehicle equipmen tand become
trapped, fore xamp le.
In addition ,the children could also se tthe
ve hicle in motion, fore xamp leby:
R releasing thep arking brake.
R changing thet ransmission position.
R startin gthe vehicle. #
Neverlea ve children unat tende dint he
ve hicle. #
When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle. #
Keep thev ehicle SmartK eyout of reach
of children. &
DANG ER Risk of deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating running in an
enclose dspace wi thout suf ficient venti‐
lation. &
WARNING Risk offire due toflammable
material in thee ngine compartmen tor
th ee xhau stsystem
Flammable materials ma yignite. #
Therefore, checkr egularly that ther ea re
no flammable materials in thee ngine
compartmen torontheexhaus tsystem. 005A
Toinsert/ remo vethek ey
0047 Toswitc hont he powersupply
0048 Toswitc hont he ignition
0049 Tostar tt he engine
% If
th ek eydoes no tbelong tothev ehicle, it
can still be turned in thei gnition loc k.How‐
eve r,th ei gnition will no tbeswitched on. The
engine cann otbe star ted. #
Inser tthe keyintot he ignition loc kinposition
005A and tur nittot he desired position. Breaking-in no
tes Pr
otect thee ngine during thef irst 1,000 miles
(1,500 km) by:
R Driving at varying road and engine speeds.
R Shifting tothen extg ear up when or before
th et achome tern eedle is 00C3ofthew aytothe
re da rea.
R Avoiding stre ss on thev ehicle suc hasdriving
at full thro ttle.
R Notshifting manuall ytoalowergear to
brake.
R After1 ,000 miles (1,50 0km),gradually
increasing thee ngine speed and accelerating
th ev ehicle up tofull speed.
R Notdepressing thea ccelerator pedal pas tthe
pressur epoint (kickdown).
This also applies if thee ngine or parts of thed riv‐
et ra in ha vebeen replaced.
Also obser vethef ollowing breaking-in no tes:
R Aftert he vehicle has been delivered or af ter
re pairs, thes ensor sy stem of cer tain driving
sy stems and cer tain driving saf etys ystems
adjus tthemselves automaticall yafter the
ve hicle has been driven acertain dis tance.
Fu ll sy stem ef fectivenes sisnotreached until
th ee nd of this teach-in process.
R Newa ndreplaced brakepads, brak edisksa nd
tires onl yreac htheir optimal braking ef fect Driving and pa
rking 97

and traction af
tera pproxima tely 10 0m iles.
Un tilthen, compensat efor ther educed brak‐
ing ef fect by applying greater pressur etothe
brak epedal. Driving tips
Note
sond riving &
WARNING Risk of accident du eto
object sinthe driver's foot we ll
Object sinthe driver's foot we ll ma yimp ede
pedal tr avel or bloc kadepressed pedal.
This jeopardizes theo perating and road
saf etyoft hevehicle. #
Stow all object ssecurel yinthevehicle
so that they do no tget intot he driver's
fo ot we ll. #
When using floor mats or carpets, make
sur ethat they arep roperly secured so
th at they do no tslip or obstruct the
pedals. #
Do no tlay multiple floor mats or carpets
on topofo ne ano ther. &
WARNING Risk of accident du etoincor‐
re ct foot we ar
Incor rect foot we ar includes, fore xamp le:
R Shoes wit hplatform soles
R Shoes wit hhigh heels
R Slippers #
Alwaysw ear suitable foot we ar so that
yo uc an operat ethe pedals safely. &
WARNING Risk of accident if thei gnition
is switched of fwhile driving
If yo us wit ch offt he ignition while driving,
saf etyf unction sare re stricted or no longer
av ailable.
Yo uw ill nee dtouse considerably mor eforce
to steer and brake, fore xamp le. #
Do no tswit ch offt he ignition while driv‐
ing. &
DANG ER Risk of deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling th
ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating running in an
enclose dspace wi thout suf ficient venti‐
lation. &
WARNING Risk of skidding and of an
accident du etoshifting down on slippery
ro ad sur faces
If yo us hiftd ow nons lipperyroad sur faces to
inc rease thee ngine braking ef fect, thed rive
wheels ma ylose traction. #
Do no tshif td ow nons lipperyroad sur‐
fa ces toinc rease thee ngine braking
ef fect. &
DANG ER Risk of fata linjur ydue topoi‐
sonous exhaus tgases
If th et ailpipe is bloc kedors ufficient ventila‐
tion is no tpossible ,poisonous exhaus tgases
suc hasc arbon monoxide ma yenter thev ehi‐
cle. This is thec ase when thev ehicle
becomes stuc kins now, fore xamp le. #
Keep thet ailpipe and thea reaa round
th ev ehicle free from sno wwhen the
engine or thes tationar yheater ar erun‐
ning. #
Open awindo wont he side of thev ehi‐
cle facing away from thew ind toensure
an adequat esupply of fresh air. &
WARNING Risk of accident and injury
du etob eing under thei nfluence of alco‐
hol and drugs while driving
Drinkin gand driving and/or taking drug sand
driving ar everyd angerous combinations.
Even asmall amount of alcohol or drugs can
af fect your reflex es, perceptions and judg‐
ment.
The possibility of aserious or evenfatal acci‐
dent ar egreatl yinc reased when youd rink or
ta ke drugs and drive. #
Do no tdrink or take drugs and driv eor
allo wanyo netodriv ewho has been
drinkin gortaking drugs. 98
Driving an dparking

&
WARNING Risk of accident and inju ry
from operating mobil ecommunications
equipment
If yo uo perat emobile communication equip‐
men twhen driving, youw ill be distracted
from thet raffic situation .Thisc ould also
cause youtol ose control of thev ehicle.
The probability of aserious or evenfatal acci‐
dent inc reases greatl yifyou operat emobile
communication equipment when driving. #
Only operat emobile communication
equipment when thev ehicle is station‐
ar y. Fo
ry our owns afet y, alwa ys obser vethef ollowing
points when operating mobile communications
equipment:
R Obser vethel egal requ irements fort he coun‐
tr yinw hichyou ar edriving.
R While driving, on lyoperat emobile communi‐
cations equipment when thet raffic conditions
permit it. Youm ayotherwise be distracted
from thet raffic condition sand cause an acci‐
dent, inju ring yourself and others.
* NO
TEDama getothed rive trai nand
engin ewhen pulling away #
Do no twarmupt he engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle unti lthe engine has reached
its operatin gtemperature. Exhaus
temission monitoring
Specific engine sy stems ar edesigned tokeep
poisonous components of exhaus tgases within
legal limits.
These sy stems onl yworko ptimally if they are
main tained exactly accordin gtomanufacturer's
specifications. It is fort his reason that all work
on thee ngine should onl ybeperform ed byquali‐
fi ed and authorized Mercedes-Benz Commercial
Va nC entert echnicians.
Under no circums tances shoul dengine settings
be changed. In addition ,all specific main tenance
wo rkmus tbep erform ed at regular inter vals and
in complianc ewitht he service regulations of the
dealer named in thei mp rint. Refe rtot he Mainte‐
nance Bookle tfor de tails. Note
sont he limit speed &
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tir eload-bearing capa‐
city or thep ermissible speed rating
Exceeding thes pecified tir eload rating or the
permissible speed rating ma ylea dtot ire
dama geand tothet ires bur sting. #
Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. As
thed rive r,yo um ustfind out about them axi‐
mum permissible speed fort he tires (tir eand tire
pressure). Obser vethel egal requirements for
tires fort he countr yinwhichyou ar estayi ng.
Yo uc an permanently limit thes peed of your vehi‐
cle.
Mercedes-Benzr ecommendsaqualified special‐
is tw orks hop forp rogramming thel imit speed.
No tethat youc anno texceed aprogrammed limit
speed when overtaking.
On downhill gradients ,the limit speed ma ybe
exc eeded. Appl ythe brakes if necessar y.
Displ aymessages indica tethat youa reapproach‐
ing thel imit speed.
Information about driving abroad
Service
An extensiv eMercedes-Benz service is also avail‐
able abroad. Ne vertheless, please remember that
services or spar eparts ma ynotbe available
immediatel y.The releva nt wo rkshop directories
ar ea vailable from aMercedes-Ben zCommercial
Va nC enter.
Fu el
In some countries, onl yfuels wit hanincreased
sulfur con tent ar eavailable.
Uns uitable fuel can caus eengine damage. Yo u
can find fur ther information under "Fuel"
(/ page228).
Information about transpor tbyrail
Tr ansportin gyour vehicle byrail ma ybes ubject
to cer tain restrictions or requires pecial meas‐
ures tobe take nins omecountrie sdue tovarying
tunnel height sand loading standards.
Yo uc an obtain information about this from a
Mercedes-Benz Commercial VanC enter. Driving and pa
rking 99

Information on brakes
&
WARNING Risk of accident du etothe
brak esystem overheating
If yo ul eave your foot on theb rake pedal
when driving, theb rake system ma yoverheat.
This increases theb raking dis tance and the
brak esystemm ayeve nfail. #
Neveru se theb rake pedal as afootrest. #
Do no tdepress theb rake pedal and the
accelerator pedal at thes ame time
while driving. *
NO
TEWearing out theb rake linings by
continuously dep ressing theb rake pedal #
Do no tdepress theb rake pedal continu‐
ously whils tdriving. #
Touse theb raking ef fect of thee ngine,
shif ttoa lowe rgear in good time. Downhillg
radients
On long and steep downhill gradients yous hould
obse rvet he following instructions:
R invehicles wit hanautomatic transmission,
shif tdow ntos hiftranges 2or 1in good time
so that thee ngine is running at amediu mto
high engine speed (/ page106).
% Chang
ethe shif trang eing oodt ime when
cruise control is acti vated. Obser vethed riv‐
ing tips (/ page98).
Yo ut hereb ymakeu se of theb raking ef fect of the
engine and do no thave tobrak easo ften tomain‐
tai nt he speed. This relie vest he load on the
service brak eand pr events theb rake sf romo ver‐
heating and wearing tooq uickl y.
Heavy and light loads
If th eb rake sh ave been subjected toah eavy
load, do no tstopt he vehicle immediatel y.Drive
on foras hortwhile. The brakes cool down more
qu ickl yint he air flow.
If th eb rake sh ave been used onl ymoderately,
yo us houl doccasionall ytesttheir ef fectiveness.
To do this, brak emoref irml yfromah igherspeed
whil epaying attention tothet raffic conditions.
Th eb rake sw illg ripb ette rasar esult.
We troad sur faces
If yo uh ave been driving foral ong time in heavy
ra in without braking, ther em aybe adelayed
re sponse when youf irst apply theb rake s. This ma
yalso occur af terd riving thro ugh acarwa sh
or deep water.Yo um ustd epress theb rake pedal
mor efirml y.Maintai nagreater di stanc etot he
ve hicle in front.
While paying attention tothet raffic conditions,
yo us houl dbrake thev ehicle firm lyafte rd riving
on aw etroad sur face or thro ugh acarwa sh. This
heats theb rake discs so that they drym ore
qu ickl y,whic hprotects them agains tcorrosion.
Limited braking ef fect on salt-trea tedr oads:
R alayer of salt on theb rake discs or brakepads
can increase braking dis tances considerab ly,
or braking ma yhappen on onl yone side
R maintain an especiall ylarg esafed ista nce to
th ev ehicle in front
To remo vethel ayer of salt:
R appl ythe brakes from time totime ,paying
attention totraf ficc onditions
R carefully dep ress theb rake pedal at thee nd
of ajourne yand af tert he star tofan ewjour‐
ney
Checking theb rake pa dt hickness
In addition tomonitoring using theb rake pad wear
sensor ,regularly monitor and checka ll of the
brakepads byper form ing avisual inspection to
look form aterial wear on thep ads.
If yo ua reunabl etoc heckthe brakepad wear on
th ei nside of thew heels, remo vethew heels if
yo up ossess ther equired skills, or visit aqualified
specialis tworks hop.
If th eb rake pad material thickness is less than
0. 12 in (3 mm), ha vetheb rake pads checkeda nd
re placed at aqualified specialis tworks hop, if
necessar y.
Do no tsolely rely on theb rake pad wear sensor.
It is also strongly re commended that youh ave
th eb rake pads checkedataq ualified specialist
wo rkshop, no tonly at everyservice displa yedby
th em aintenanc einter vald ispla y,but also prior to
long journe ysand when everthe wheels are
re mo ved.
Chec kthe brakepads in thef ollowing cases:
R Ateve ryservice according tothem ainte‐
nanc einter val
R Befor elong journe ys
R Ateve rytirec hange
R Regular visual inspection fory our owns afety 100
Driving and pa rking