engine MERCEDES-BENZ M-Class 2012 W166 Owner's Guide
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2012, Model line: M-Class, Model: MERCEDES-BENZ M-Class 2012 W166Pages: 396, PDF Size: 14.48 MB
Page 67 of 396

In
this situa tion, ESP®
assi stsyou and can
detect ifthe vehicle /trailer combination
begi nstolurch. ESP®
slow sthe vehicle down
by braking andlimiting theengine outputuntil
the vehicle/tra iler comb inationh as
st abiliz ed.
Trail erstabiliz ationisactive fromaspeed of
approximately 37mph(60 km/h). G
WARNING The
system willnotbeable toassist whenthe
trailer jackknifes
R ifthe ESP ®
has switched offdue toa
malfunction
R on wet oricy roads
R on roads withslippery surface
R in sand orgravel
Trailers withahigh centerofgravity maytip
over before thesystem recognizes swayingof
the trailer.
Traile rstab iliza tiond oes notwork ifESP ®
is
deactivated ordisabled becauseofa
malfunct ion. EBD
(elec tronic brake force
distr ibution) i
Observe
the"Important safetynotes"
section (Ypage 61).
EBD monit orsand cont rolsthebrake
pressure onthe rear wheels toimprove
driving stability whilebraking. G
WARNIN
G If
EBD hasmalfunct ioned,thebraking system
remains availablewith fullbrake boosting
effect .However, therear wheels canstilllock,
e.g. under fullbraking. Thiscould cause you
to lose controlofyour vehicle andcause an
accident .You should therefor eadapt your
driving styletothe different handling
character istics. X
Observe thenoteson warning andindicator
lamps (Ypage 272)aswell asdisplay
messages (Ypage 241). ADA
PTIVE BRAKE
AD APTIVE BRAKEenhancesbraking safety
and offers increased brakingcomfort.In
addition tothe braking function,ADAPTIVE
BRAKE alsohastheHOLD function
(Y page 179)andhillstart assist
(Y page 142). Forfurther informat ion,see
Drivin gtips (Ypage 159). PRE-SAFE
®
Br ake
PRE-S AFE®
Brake isonly availa bleinvehicles
with DISTRONIC PLUS. i
Observe
the"Important safetynotes"
section (Ypage 61).
PRE-S AFE®
Brake canhelp youtominimize
the risk ofafront alcollision withavehicle
ahead orreduce theeffect sofsuch a
co llisio n.IfPRE -SAF E®
Br ake hasdetecteda
ris ko fcollision, youwillbewarned visually
and acoustically aswell asby automatic
braking. PRE-SAFE®
Brake cannotprevent a
collision withoutyourintervention.
At speeds aboveapproximately
20 mph (30km/ h),this funct ionwarns you
when youarerapidly approaching thevehicle
in front .An interm ittentwarning tonewill
then sound andthe· distance warning
lamp inthe instr ument cluster willlight up.
X Brake immediately inorder toincrease the
distance fromthevehicle infront .
or
X Take evasive actionprovided itis safe todo
so. Driving
safetysystems
65Safety Z
Page 74 of 396

Useful
information
i This
Operat or'sManual describesall
models andallstan dard andoption al
equipment ofyour vehicle available atthe
time ofpublication ofthe Operat or's
Manual. Country-specificdiffer encesare
possible. Pleasenotethat your vehicle may
not beequipped withallfeature s
descr ibed. Thisalso applies tosafet y-
related systemsand func tions. i
Please
readtheinfor mation onqualified
specialist workshops(Ypage 25). Sma
rtKey Impor
tant safet ynotes G
WARN
ING When
leaving thevehicle, alwaysremovethe
Smart Keyfrom theignit ionlock .Always take
the Smart Keywith youand lock thevehicle.
Do not leave children unsuperv isedinthe
vehicle, evenifthey aresecured inachild
rest raint system ,and donot give them acces s
to an unlock edvehicle. Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function.
If children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very hot,
andachild could beburned onthese
parts. G
WARNING If
akey ring istoo heavy ortoo large, the
weight actingonthe key could cause itto turn
in the ignition lockorcatch onthe steering
wheel. Thiscould cause theengine tobe
switched offsuddenly. Youcould losecontrol
of the vehicle andcause anaccident. Donot
attach anyheavy orlarge keyrings tothe key
that isinserted inthe ignition. General
notes
If you cannot lockorunlock thevehicle with
the SmartK ey,either thebattery inthe
SmartK eyisdischarged, theSmartK eyis
faulty orthe starter battery isdischarged.
X Check thebattery inthe SmartK eyand
replace itifnecessary (Ypage 76).
X Unlock thedriver's doorusing the
mechanical key(Ypage 80).
X Lock thevehicle usingthemechanical key
(Y page 80).
X Have thestarter battery andthebattery
cont acts check edataqual ified specialist
workshop.
If the SmartK eyisfaulty, contactRoadsi de
Assistanc eor aqual ified specialist workshop. Smar
tKeyfunctions
General notes i
USA
only:
This device complies withPart15ofthe
FCC Rules. Operation issubject tothe
following twocondition s:
1. This device maynotcause harmful
interfer ence,and
2. this device mustaccept anyinterfer ence
received, includinginterferencethatmay
cause undesired operation. 72
Smar
tKeyOpening/closing
Page 80 of 396

Problem Possible
causes/co nsequences andM Solutions
The
engine cannot be
started usingthe
SmartK ey. The
on-board voltageistoo low.
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary
(Y page 338).
or
X Jump-start thevehicle (Ypage 341).
or
X Consult aqual ified specialist workshop. The
engine cannot be
started usingKEYLE SS-
GO. TheSmartK eyisin
the vehicle. Ad
oor isopen. Therefore, theSmart Keycann otbe detect edas
easily .
X Close thedoor andtrytostart thevehicle again. There
isinter ferenc efrom apowerful sourceofradio waves.
X Start yourvehicle withtheSmart Keyinthe ignition lock. Doors
Import
antsafety notes G
WARNIN
G When
leaving thevehicle, alwaysremove the
Smart Keyfrom theignition lock.Always take
the Smart Keywith youand lock thevehicle.
Do not leave children unsupervised inthe
vehicle, evenifthey aresecured inachild
restraint system,anddonot give them access
to an unlocked vehicle.Achild's unsupervised
access toavehicle couldresult inan accident
and/or serious personal injury.Theycould:
R injure themselves onvehicle parts
R be seriously orfatally injured byextrem e
heat orcold
R injure themselves orhave anaccident with
vehicle equipment thatmay stillbein
operation evenaftertheSmartKey has
been removed fromtheignition, suchasthe
seat adjustment ,steering wheel
adjustment ormemory function. If
children openadoor, theycould cause
severe oreven fatalinjury toother persons; if
they getout ofthe vehicle, theycould injure
themselves whendoing soorbe seriously or
even fatally injured byany passing traffic.
Do not expose thechild restraint systemto
direct sunlight. Thechild restraint system's
metal parts, forexample, couldbecome very
hot, andachild could beburned onthese
parts. G
WARNING Do
not carry heavy orhard object sin the
passenger compartmen tor cargo
compartmen tunle ssthey arefirmly secu red
in place .
Unse curedorimp roperlypo sitio ned cargo
incre ases achi ld's ris kof inju ryinthe event
of
R stro ngbra king maneu vers
R sudd en cha nges ofdirecti on
R an acci dent 78
Do
orsOpening/closing
Page 84 of 396

Opening/closing
fromoutsid e
Opening X
Press the% button onthe Smart Key. X
Pull handle :.
X Raise thetailgate.
Vehicles withtheEASY-PACK tailgate:if
you pull handle :and then release it,the
tailgate opensautomatic ally.
Closing G
WARN
ING To
preven tpossible personal injury,always
keep hands andfingers awayfromthecargo
compartm entopening whenclosing the
tailgate. Beespecially carefulwhensmall
children arearound. X
Pull thetailgate downusingrecess :.
X Push thetailgate closedfromoutside the
vehicle.
X Ifnecessary, lockthevehicle with
the & button onthe Smart Key (Y
page 72)orwith KEYLE SS-GO
(Y page 73). i
If
aKEYLE SS-GO key isdetect edinthe
cargo compartm ent,thetailgate willnot
lock. Opening/cl
osingautomat ically from
outside
Import antsafety notes G
WARNING Make
surethetailgate isclosed whenthe
engine isrunnin gand while driving. Among
other dangers, deadlycarbon monoxide(CO)
gases mayenter vehicle interior resulting in
uncons ciousness anddeath.
! The tailgate swingsupwards andtothe
rear when opened. Therefore, makesure
that there issufficient clearance aboveand
behind thetailgate.
To open thetailgate completely, aminimum
clearance of7.20 ft(2.20 m)above the
gro und isneces sary.
Ope ning Yo
ucan openthe tailgate automatically using
the SmartK eyorthe handle inthe tailgate.
X Press andhold theF button onthe
SmartK eyuntil thetailgate opens.
or
X When thetailgate isunlocked, pullthe
handle andletitgo again immediately.
Closi ng G
WARNING Monitor
theclosing procedure carefullyto
make surenoone isin danger ofbeing
injured. Toprevent possible personal injury,
alwa yskeep hands andfingers awayfromthe
cargo compartmen topenin gwhen closing the
tailgate. Beespecially carefulwhensmall 82
Cargo
compar tmentOpening/closing
Page 86 of 396

G
WARNING To
prevent possibleperso nalinjury ,alw ays
keep hands andfingers awayfrom thecargo
compartment openingwhenclosing the
tail gate. Beespeci allycarefu lwhen small
child renarearou nd. G
WARNING Make
surethetailgate isclosed whenthe
engine isrunning andwhiledrivi ng.Among
other dange rs,dea dlycarbon monoxide (CO)
gase smay enter vehicleinterior resultingin
unconsciou snessanddeath.
You canopen andclose thetailgate from the
driver' sseat when thevehicl eis stationary
and unlocked . X
To open :pul lremote operatingswitch :
for the tailgate untilthetailgate opens.
X To clo se: turn theSmartKey toposi tion 1
or 2in the ignitio nlock.
X Press remote operatingswitch for
tail gate :until thetailgate isclosed .
If the tailgate comes intocontact withan
object, theclosi ngprocedu reisinterrupted
and thetailgate reope ns.
X To interrupt theclosing procedure: push
or pul lremote operatingswitch forthe
tail gate :. Limiti
ngthe open ingangle ofthe
tailgate
Important safetynotes You
canlimitthe opening angleofthe
tailgate. Thisispossible inthe top half ofits
opening range,uptoapproximately
4 in (10 cm) before thestop.
! Make surethere issufficient clearance to
open thetailgate fullywhen settingthe
opening angle.Thetailgate couldotherwise
be damaged. Ideally,set the opening angle
outside.
Activating X
To open thetailgate: pullthehandle on
the tailgate.
X To stop theopening procedure atthe
desired position: presstheclosing button
(Y page 82)inthe tailgate orpull thehandle
on the outside ofthe tailgate again.
X To store theposition: pressandhold the
closing buttoninthe tailgate untilyouhear
a short tone.
The opening anglelimiter isactivated. The
tailgate willnow stop inthe stored position
when opening.
Deactivating X
Press andhold theclosing button
(Y page 82)inthe tailgate untilyouhear
two short tones. Tailgate
emergency release
If the tailgate cannolonger beopened from
outside thevehicle, usetheemergency
release oninside ofthe tailgate.
X Take themechanical keyoutofthe
SmartK ey(Ypage 75).
To open thetailgate completely, aminimum
clearance of7.20 ft(2.20 m)above the
gro und isneces sary. 84
Carg
oco mpartmentOpening/closing
Page 88 of 396

The
switches onthe driver's doortake
precedenc e. i
The
side windows cannotbe operated
from therear when theoverride featurefor
the side windows isactivat ed(Ypage 59).
X Turn theSmart Keytoposition 1or 2in the
ignition lock.
X To open: pressthecorrespon dingswitch.
X To close: pullthecorrespon dingswitch. i
If
you press theswitch beyond thepoint
of resistanc e,an automatic opening/
closing process isstart edinthe
correspon dingdirection .You can stop
automatic operationbyoperating the
switch again. i
You
cancont inue tooperate theside
windows afteryouswitch offthe engine or
remove theSmart Key.Thisfunct ionis
availa bleforuptofive minutes oruntil the
driver's orfront -passenger doorisopened. Conveni
enceopening feature
You canvent ilate thevehicle beforeyoustart
driving. Todo this, thekey isused tocarry out
the following functionssimultaneously:
R unlock thevehicle
R open theside windows
R open thesliding sunroof orthe panorama
roof with power tilt/sliding panelandthe
roller sunblinds
R switch onthe seat ventilation forthe
driver's seat i
The
conv enienc eopening featurecan
only beoperated usingtheSmart Key.The
Smart Keymust beclose tothe driver's
door handle.
X Point thetipofthe Smart Keyatthe driver's
door handle.
X Press andhold the% button untilthe
side windows andthesliding sunroof orthe
panorama roofwith power tilt/sliding
panel areinthe desired position. If
the roller sunblinds ofthe panorama roof
with power tilt/sliding panelareclosed, the
roller sunblinds areopened first.
X Press andhold the% button againuntil
the panorama roofwith power tilt/sliding
panel isin the desired position.
X To interr uptconvenie nceopening:
release the% button . Conveni
enceclosin g
General notes When
youlock thevehicle, youcan
simultaneously:
R close theside windows
R close thesliding sunroof orthe panorama
roof with power tilt/sliding panel
On vehicles withapanorama roofwith power
tilt/ sliding panel,youcan then close the
roller sunblinds. G
WARNIN
G When
closing thedoor windows andthe
sliding sunroof orpanorama roofwith power
tilt/ sliding panel,makesurethatthere isno
danger ofanyone beingharmed bythe closing
procedure.
If potent ialdanger exists,proceed asfollows:
R Release the& button tostop theclosing
procedure. Toopen, pressandhold the
% button .To cont inue theclosing
procedure aftermaking surethatthere is
no danger ofanyone beingharmed bythe
closing procedure, pressandhold the
& button .
Vehicles withKEYLE SS-GO:
R Release thesensor surface onthe outside
door handle tostop theclosing procedure.
R Immediately pullonthe same outside door
handle andhold firmly. Thedoor windows
and thesliding sunroof orpanorama roof
with power tilt/sliding panelwillopen for
as long asthe door handle isheld butthe
door isnot opened. 86
Side
window sOpening/closing
Page 111 of 396

3
T
Parking lamps,license plateand
inst rument clusterlighting
4c Automaticheadlamp mode/daytime
runnin glamps
5L Low-beam/high- beamheadlamps
BR Rearfoglamp
The turn signals, high-beam headlamps and
the high-beam flasherareoperated usingthe
combinat ionswitch (Ypage 111).
! Ifthe batter yhas been excess ively
discharged, theparking lampsorstandin g
lamps areautomatically switchedoffto
enable thenext engine start.Always park
your vehic lesafely andsufficien tlylit
acc ordin gto legal standard s.Av oid the
con tinuous useofthe T parkinglamps
for sever alhours. Ifpossible ,switc hon the
X rightorthe W leftstandin glamp.
The exterior lighting(exc eptthepark ing/
st andin glamps) switchesoffautom atically if
you:
R remo vethe SmartKey fromt heignition lock
R open thedriver's doorwiththeSmartK ey
in position 0
If you hear awarning tonewhen youleave the
vehicle, thelights maystillbeswitched on.
X Turn thelight switch toc orÃ.
Low -beam headlam ps X
To switch onthe low-be amheadlam ps:
turn theSmartK eyinthe ignition lockto
position 2or start theengine.
X Turn thelight switch toL.
The L indicator lampinthe instrumen t
cluster lightsup.
Daytime runninglamps Daytime
runninglampsinCanada
The daytime runninglampsfunctionis
required bylaw inCanada .Itc ann otthere fore
be deac tivate d. X
Turn thelight switchtoc orÃ.
Wit hth een gin erun ning:depen dingon the
ambie ntlight ,th edayti merunninglamps or
th elow- beam headlam psare swit ched on.
When thelow- beam headlam psare
swit ched on,th eL indicat orlamp inthe
ins trumen tcluster lightsup.
When theengineisrunn ingand thevehic leis
st ation ary:ifyou mov ethe selec torlever from
a drive positiontoP,the daytime running
lamps/ low-beamheadlamps goout after
thr ee min utes.
When theengineisrunn ing,thevehic leis
st ation aryand inhigh ambien tlight
bright ness:ifyou turnthe light switch
to T, thedaytime runninglampsandthe
parking lampsareswitched on.
If the engine isrunning andyouturn thelight
switch toL, themanual settingstake
precedence overthedaytime runninglamps.
Daytime runninglampsinthe USA
In the USA, thedaytime runninglampsare
deactivated upondelivery fromthefactory.
X To activate thedayt imerunning
lamps: activate thedaytime runninglamps
funct ioninthe on-board computer
(Y page 234).
X Turn thelight switch toc orÃ.
With theengine running: depending onthe
ambient light,thedaytime runninglampsor
the low-beam headlampsareswitched on.
When thelow-beam headlampsare
switched on,the L indicator lampinthe
instrumen tcluster lightsup.
If the engineisrunn ingand youturnthe light
switch toT orL, themanual settings
take precedence overthedaytime running
lamps. Exterior
lighting
109Lights and windshield wipers
Page 112 of 396

Aut
oma tic hea dlamp mod e X
To swit chon autom atic hea dlamp
mod e:tur nth eligh tswit chtoc or
Ã.
Sm artKey inpos ition 1in theign ition lock:
th epark inglamp sare swit ched on oroff
auto maticallydepe nding onthebrig htne ss
of theambi entlight .
With theenginerunn ing:depen dingonthe
bright nessof the ambien tlight ,the daytime
runn inglamps 6
or the low-be amheadlamps
are switc hedonoroff autom atically.
When thelow-be amheadlamps are
switc hedon,the L indicatorlamp inthe
inst rumen tcluster lightsup. G
WARN
ING If
the light switc his set toc orÃ, the
low-be amheadlamps willnotcom eon
autom atically ifit is fogg y.This could
endan geryou and others. There fore,tur nthe
light switch toL infog.
The automatic headlampfeature isonly an
aid. Thedriver isresponsible forthe vehicle's
lighting atall times.
Rear foglamp X
To switch onthe rear foglamp: turnthe
SmartK eyinthe ignition locktoposition 2
or start theengine.
X Turn thelight switch toL orc or
Ã.
If the light switch isset toc orÃ,
the rear foglamp onlylights upifthe low-
beam headla mpsareon.
X Press theR button.
The yellow R indicator lampinthe
instrumen tcluster lightsup.
X To switch offther ear foglam p:pres sth e
R button.
The yellow Rindicatorlamp inthe
ins trumen tcluster goesout. i
If
you switc hthe engineoff(Sm artKey in
posit ion1in the ignit ionlock )and then
rest artit,the prev ious rearfoglamp
set tings are rest ored.
Rea rfog lamp X
To switch ontherea rfog lamp:tur nthe
Sm artKey inthe ignit ionlock toposit ion2
or start the engin e.
X Turn thelight switc hto L orc or
Ã.
If the light switc his set toc orÃ,
the rear foglamp onlylightsup ifthe low-
beam headlamps areon.
X Press theR button.
The yellow Rindicatorlamp inthe
inst rumen tcluster lightsup.
X To switch offther ear foglam p:pres sth e
R button.
The yellow Rindicatorlamp inthe
ins trumen tcluster goesout. i
If
you switc hthe engineoff(Sm artKey in
posit ion1in the ignit ionlock )and then
rest artit,the prev ious rearfoglamp
set tings are rest ored.
Head lampcleaning system The
headlamps areclean edautomat icallyif
the "Wipe withwasher fluid"function is
operat edten timeswhile thelight sare onand
the engin eis runn ing(Ypage 118).When you
switc hoff the ignit ion,theautomat ic
headlamp cleaningsyste misreset and
counting isresumed from0.
6 Only ifdaytime runninglampshavebeen activated viathe on-board computer. 110
Exterior
lightingLights and windshield wipers
Page 116 of 396

X
To switcho ff:set the rocker switch tothe
| position.
The interior lighting automatical lyswitches
on ifyou :
R unlock thevehicl e
R open adoor
R remove theSmartKey fromtheignitio nlock
The interior lightisactivated forashort while
when theSmart Keyisremoved fromthe
ignition lock.Youcanactivate thisdelay ed
switch- offusing theon-board computer
(Y page 235).
Manua linterior lighting control X
To switch thefront interior lighting on:
set the rock erswitch tothe c position.
X To switch thefront interior lighting off:
set the rock erswitch tothe | position.
X To switch therear interior lighting on/
off: press theu button .
X To switch thereading lampson/off:
press thep button . Crash-
responsive emergency lighting
The interior lighting isactivated automatically
if the vehicle isinvolved inan accident .
X To switch offthe crash- responsive
emergency lighting:pressthehazard
warning lampbutton .
or
X Lock andthen unlock thevehicle usingthe
Smart Key. Replacing
bulbs Import
antsafety notes
Xenon bulbs If
your vehicle isequipped withXenon bulbs,
you can recogn izethis bythe following: the
cone oflight from theXenon bulbsmoves
from thetop tothe bottom andback again when
youstart theengine. Forthis tobe
observed, thelights mustbeswitched on
before startingthe engine. G
DANGER Xenon
bulbscarryahigh voltage. Youcould
get anelectric shockandbeseriously oreven
fatally injured ifyou touch theelectric
cont acts onXenon bulbs.Therefore, never
remove thecover fromXenon bulbs.
Do not change Xenonbulbsyourself, buthave
them replaced ataquali fiedspecialist
workshop whichhasthenecessary specialist
knowledge andtools tocarry outthework
required.
Mercedes-B enzrecommen dsthat youusean
authorized Mercedes-B enzCenter forthis
purpose. Inparticular, workrelevant tosafety
or on safety-related systemsmustbecarried
out ataquali fiedspecialist workshop.
Bulbs andlamps areanimportant aspectof
vehicle safety.Youmust therefor emake sure
that these functioncorrec tlyatall times.
Have theheadlamp settingcheck edregularly .
Other bulbs There
arebulbs otherthantheXenon bulbs
that youcann otreplace. Replaceonly the
bulbs listed (Ypage 115). Havethebulbs that
you cann otreplace yourself changed ata
quali fiedspecialist workshop.
Mercedes-B enzrecomm endsthatyouusean
authorized Mercedes-B enzCenter forthis
purpose. Inparticular, workrelevant tosafety
or on safety-related systemsmustbecarried
out ataquali fiedspecialist workshop.
If you require assistance changingbulbs,
consult aquali fiedspecialist workshop.
Do not touch theglass tubeofnew bulbs with
your bare hands. Evenminor contamination
can burn intotheglass surface andreduce
the service lifeofthe bulbs. Always usealint-
free cloth oronly touch thebase ofthe bulb
when installing.
Only usebulbs ofthe correc ttype. 114
Rep
lacingbul bsLights an dwindshield wipers
Page 124 of 396

Useful
information
i This
Operat or'sManual describesall
models andallstan dard andoption al
equipment ofyour vehicle available atthe
time ofpublication ofthe Operat or's
Manual. Country-specificdiffer encesare
possible. Pleasenotethat your vehicle may
not beequipped withallfeature s
descr ibed. Thisalso applies tosafet y-
related systemsand func tions. i
Please
readtheinfor mation onqualified
specialist workshops(Ypage 25). Overview
ofclimat econtrol systems Impor
tant safet ynotes G
WARN
ING Sever
econ dition s(e.g. strong airpollution )
may require replacem entofthe filter before
its scheduled replacementinterval. Aclogged
filt er will reduc ethe airvolume tothe interior
and thewindows couldfogup,impairin g
visibilit yand endan geringyou and others.
Have ablock edfilterreplac edataMerc edes-
Ben zCent eras soon aspossible. G
WARN
ING Follow
therecom mended settings forheating
and cooling givenonthe following pages.
Other wise, thewindows couldfogup,
impairing visibilityandendanger ingyou and
other s.
Autom aticclimate control controls the
temper atureandthehumidity ofthe vehicle
int erior andfilters outundesirable
substanc esfrom theair.
Autom aticclimate control isonly operation al
when theengine isrunn ing9
.O ptimum
operation isonly achieved ifyou drive withthe
side windows andsliding sunroof /panorama
roof with power tilt/sliding panelclosed. i
Vent
ilate thevehicle forabrief period
during warmweather, e.g.using the
con venien ceopenin gfeature (Ypage 86).
This willspeed upthe coolin gproces sand
the desired vehicleinterior temper ature
will bereached morequickly. i
The
integrated filtercanfilter outmost
partic lesofdust andcomplet elyfilter sout
pollen. Aclogged filterreduc esthe amoun t
of air supplied tothe vehic leint erior .For
this reason, youshould alwaysobserve the
inter valforreplacing thefilter, which is
specified inthe Servic eBooklet .Asit
depends onenvironmen talconditions, e.g.
heavy airpollu tion, theinterval maybe
shorter thanstated inthe Service Booklet.
9 The residua lheat function canonly beactivated/deactivated whentheignition isswitched off. 122
Overview
ofclimat econ trol systemsClimate control