sensor MERCEDES-BENZ M-Class 2012 W166 User Guide

At
spee ds ofabove appro xima tely
20 mph (30km/h) ,if the driver and front
pa sse nge rhave fastened their seat belts,
PRE -SAF E®
Br ake can:
R brak eth eveh icle auto maticall yat spee ds
up toappro ximately12 4mph (200km /h)
R trigger preventat ive occupan tpro tection
meas ures(PRE-SAF E®
)(Y page 49)
Due tothenat ure ofthesyst em, particular ly
co mplic ateddriv ingcond ition sm aycaus e
unn ecessar ywarn ingsor theu nnece ssary
inte rventio nof PR E-SAFE ®
Bra ke. Tostop the
bra king action, youcan either depre ssthe
acce lera tor pedalfu rthe r,acti vate kickd own
or release the brakepedal.
The braking actionofPR E-SAFE ®
Bra keis
end edautoma tically if:
R yo ur spe eddro psbelow ap pro xima tely
9 mph (15km/h) .
R yo uma neu ver toavoid the obsta cle.
R ther eis no longe rany dange rofarea r-end
colli sion.
R there isno longer anobstacl edetected in
front ofyou rvehicl e.
If you have activa tedDSR (Ypag e208), PRE-
SAFE ®
Brake isdea ctivated. i
USA
only:this device hasbeen approved
by the FCC asa"Vehicula rRadar System".
The radar sensor syst emisint ended foruse
in an auto motiveradar systemonly.
Remo ving,alte ringor tam peringwithth e
devi cewill void anywarr anties, and isno t
perm itted bytheFCC. Donottamper with,
alte r,or use inany non-appro vedway.
An yunaut horizedmod ificatio ntothis
device couldvoidtheuser's authority to
operate theequipment. i
Canada
only:thisdevice complies with
RSS-2 10ofIndustr yCanada. Operation is
subject tothe following twocondit ions:
1. This device maynotcause interferenc e,
and 2.
this device mustaccept anyinterf erence
received, includinginterference thatmay
cause undesired operationofthe device.
Removal, tampering, oraltering ofthe
device willvoid anywarranties, andisnot
permitt ed.Donot tamper with,alter, oruse
in any non- approved way.
Any unauthorized modificationtothis
device couldvoidtheuser's authority to
operate theequipment.
With thehelp ofthe radar sensor system,
PRE-S AFE®
Brake candetect obstacles that
are infront ofyour vehicle foranexten ded
period oftime.
At speeds uptoapproximately 40mph
(70 km/ h),PRE-S AFE®
Brake canalso react
to station aryobstacles, forexample stopped
or parked vehicles.
If you approach anobstacle andPRE-S AFE®
Brake detect sa risk ofcollision, thesystem
will initially alertyouboth visually and
acoustically. Ifyou donot brake ortake
evasive action,thesystem willwarn youby
automatically brakingthevehicle gently.If
there isan increased riskofcollision,
prevent ativepassenger protectionmeasures
(PRE-SA FE®
)are activated (Ypage 49).Ifthe
risk ofcollision remainsandyoudonot brake,
take evasive actionoraccelerate
significant ly,the vehicle mayperform
automatic emergencybraking. Automatic
emergenc ybraking isnot performed until
immediately priortoan accident thatcanno
longer beavoided. G
WARNIN
G Even
ifPRE-S AFE®
Brake slowsthevehicle
before animminent rear-endcollision, the
system cannotavert acollision withoutthe
interv ention ofthe driver. Thereisarisk ofan
accident .Brake according tothe situation or
take evasive action.Delayed intervention by
the driver canlead toan accident . 66
Driving
safetysystemsSafety

G
WARNING PRE-SAFE
®
Brake cannot alwaysdetect
comple xtraffic situations prope rly.
In these cases, PRE-SAFE(R) Brakemay:
R give anunnecessa rywarni ngand then
brake thevehicl e
R neither giveawarni ngnor intervene
There isarisk ofan accide nt.Alwa yspay
particu larattention tothe traffic situationand
be read yto brake, especiallyif PRE-SAFE(R)
Brake warns you.Termina tethe intervention
in anon-critical drivingsitua tion.
In particu lar,the detection ofobstacl escan
be impa iredifthere is:
R dirt onthe sensors oranythi ngelse
covering thesensors
R snow orheavy rain
R interference byother radarsources
R the possibility ofstron gradar reflect ions,
for example inparking garages
R anarrow vehicle traveling infront ,e.g. a
motorbik e
R avehicle traveling infront onadifferent line G
WARNIN
G PRE-S
AFE®
Brake doesnotreact:
R to people oranimals
R to oncom ingvehicles
R to crossin gtraffic
R in curves
As aresult, PRE-SAFE®
Brake cannot
interv eneincritic alsituations. Thereisarisk
of an accident .Always paycaref ulatt ent ion
to the traffic situat ionand beready tobrak e.
In order tomaint ainthe appropr iatedistance
to the vehic lein fro ntand thus preventa
collisio n,you must apply thebrak esyourself .X
To act ivat e/deact ivate:act ivate or
deact ivatePRE-SAFE®
Brak ein the on-
board computer (Ypage 232).
The Ä symbol appears inthe
multif unction display aslong asthe HOL D
func tion isnot activate d(Ypage 179).
On vehicles withActive Parkin gAssist ,the
Ä symbol isdisplayed when
tran smission positionPis select edorifyou
drive faster than22mph(35 km/h).
For PRE-S AFE®
Brak eto assist youwhen
drivin g,the radar senso rsyst em mus tbe
switched on(Ypage 236)andoperational.
Following damagetothe front endofthe
vehicle, havetheconfiguration andoperation
of the radar sensors checked ataqual ified
speciali stworkshop. Thisalso appli esto
collisions atlow speeds wherethereisno
visible damage tothe front ofthe vehicle. STEER
CONTROL
The steering assistant STEERCONTROL helps
you bytransmitt inganoticeable steering
force tothe steering wheelinthe direction
required forvehicle stabilization.
This steering assistance isprovided in
particular if:
R both right wheels orboth leftwheels areon
a wet orslippe ryroad surface whenyou
brake
R the vehicle startstoskid
You have controlover thesteering atall
times. G
WARNING If
the ESP ®
is malfunctioning, youwillnot
receive steering assistance fromtheSTEE R
CONTROL. Thepower steering function,
however, remainsavailable. Driving
safetysystems
67Safety Z

2.
this devicemust accep tany inte rference
rece ived,incl uding inte rference thatm ay
caus eunde sired oper ation.
An yunaut horizedmod ificatio ntothis
device couldvoidtheuser’s authority to
operate theequipment.
The Product labelwithFCCIDand IC
cert ification numbercanbefound inthe
battery caseofthe Smart Key.
Import antnotes onthe use ofKEY LESS-
GO R
The KEYLE SS-GO key can beused likea
conv ention alkey.
R You cancombine KEYLESS-GO funct ions
with those ofaconv ention alkey, e.g.
unlock withKEYLE SS-GO and lock with the
& button .
R Always carryyourKEYLE SS-GO key onyour
person.
R Do not keep theKEYLE SS-GO key toget her
with:
- electron icdevices, e.g.amobile phone
or another key
- metallic objects,e.g. coins ormetal foil.
This canaffect thefunct ionality of
KEYLE SS-GO.
R When lockingand unlockin gusing
KEYLE SS-GO, thedistance between the
Smart Keyand thecorrespon dingdoor
handle mustnotexceed 3ft (1 m).
R Ifthe KEYLE SS-GO key isremoved fromthe
vehicle, itis possible thatthesystem may
not recogn izethe Smart Key.Thevehicle
can then notbelocked orstart edusing
KEYLE SS-GO.
R Ifthe KEYLE SS-GO key has been removed
from thevehicle, e.g.ifapassenger leaves
the vehicle withaKEYL ESS-G Okey : X
To unl ockt he vehi cle:touch theinner
surfa ceofthe door handl e.
X To loc kthe vehi cle:touch sensor
surfa ce:.
X Co nven ienceclo singfeature: touch
recesse dsensor surface; for an
extended period(Ypag e87).
If you pullon the handl eofthe tailgate, only
the cargo compartmen tof the vehicle is
unlocked. Changing
thesettings ofthe lockin g
system
You canchange thesettin gofthe locking
system insuch away that only thedriver's
door andthefuel filler flapareunlocked. This
is useful ifyou frequently travelonyour own.
X To change thesetting: pressandhold
down the% and& buttons
simultaneously forapproximately six
seconds untilthebattery checklamp
(Y page 76)flashes twice. i
If
the settin gof the locking systemis
changed withinthesignal rangeofthe
vehicle, pressing the& or% button
locks orunlocks thevehicle.
The SmartK eynow funct ionsasfollows:
X To unlock thedriver's door:pressthe
% button once.
X To unlock centrally: pressthe%
button twice.
X To lock centrally: pressthe& button. 74
Smar
tKeyOpening/closing

The
KEYLE SS-GO funct ionischanged as
follows:
X To unlock thedriver 'sdoor: touch the
inner surface ofthe door handle onthe
driver's door.
X To unlock centrally: touchtheinner
surface ofthe door handle onthe fron t-
passenger doororthe rear door.
X To lock centrally: touchtheouter sensor
surface onone ofthe door handles. Restoring
thefactor ysettings
X Press the% and& button s
simultaneously forapproximately six
seconds untilthebattery checklamp
flashes twice. Mechanical
key
General notes If
the vehicle cannolonger beunlocked with
the Smart Key,usethemechanic alkey.
If you usethemechanic alkey tounlock and
open thedriver's door,theanti- theft alarm
system willbetriggered (Ypage 68).
There areseveral waystoturn offthe alarm:
X To turnthe alarmoff with the
Smar tKey: pressthe% or& button
on the Smart Key.
or
X Insert theSmart Keyinto theignition lock.
or
X To deactivat ethe alarmwith KEYL ESS-
GO: press theStart/S topbutton inthe
ignition lock.TheSmart Keymust beinthe
vehicle.
or
X Lock orunlock thevehicle usingKEYLE SS-
GO. TheSmart Keymust beoutside the
vehicle. Removing
themechanical key X
Push release catch: inthe direction of
the arrow andatthe same time,remove
mechanic alkey ;from theSmart Key. Smar
tKeybattery
Impor tantsafety notes Have
thebatteries changedataquali fied
specialist workshop. G
WARNIN
G Batt
eries containtoxicsubstances .
Swallowing batteriescanlead toserious
health issues ordeath.
Keep batteries outofthe reach ofchildren.
Seek medical attentionimmediately ifa
battery isswallowed . G
WARNIN
G The
Smart Keybatteries containperchlorate
material, whichmayrequire specialhandling
and regard forthe environ ment.Observe
governm entdisposal guidelines. California
resident s,see www .dtsc.ca.gov/
Haza rdousW aste/Perchlora te/
index.cfm. Sma
rtKey
75Opening/closing Z

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

Using
theSma rtKey i
The
Smar tKeymust beclose tothe
driver' sdoor handle.
X Point thetipofthe Smar tKeyatthe driver' s
door handle.
X Press andhold the& buttonunt ilthe
side windows andthesliding sunrooforthe
panorama roofwith power tilt/sliding
panel arefully closed.
X Make surethatallthe side windows andthe
sliding sunroof orpanorama roofwith
power tilt/sliding panelareclosed.
On vehicles withapanorama roofwith power
tilt/sliding panel:
X Press andhold the& button againuntil
the roller sunblinds ofthe panorama roof
with power tilt/sliding panelclose.
X To interru ptconve nienceclosi ng:
release the& button.
Using KEYLESS-GO The
KEYLE SS-GO key must beoutside the
vehicle. Allthe doors mustbeclosed. X
Touch recessed sensorsurface :onthe
door handle untiltheside windows andthe
sliding sunroof orthe panorama roofwith
power tilt/sliding panelarefully closed. i
Make
sureyouonly touch recessed
sensor surface :.
X Make surethatallthe side windows andthe
sliding sunroof orpanorama roofwith
power tilt/sliding panelareclosed. On
vehicles withapanorama roofwith power
tilt/sliding panel:
X Touch recessed sensorsurface :onthe
door handle againuntiltheroller sunblinds
of the panorama roofwith power tilt/
sliding panelclose.
X To interru ptconve nienceclosi ng:
release recessed sensorsurface :onthe
door handle. Resetting
theside window s
If aside window cannolonger beclosed fully,
you must reset it.
X Close allthe doors.
X Turn theSmartK eytoposition 1or 2in the
ignition lock.
X Pull thecorresponding switchonthe door
cont rolpanel untiltheside window is
completely closed(Ypage 85).
X Hold theswitch foranadditional second.
If the side window opensagainslightly:
X Immediately pullthecorresponding switch
on the door controlpanel untiltheside
window iscompletely closed(Ypage 85).
X Hold theswitch foranadditional second.
X Ifthe corresponding sidewindow remains
closed afterthebutton hasbeen released,
the side window hasbeen reset correct ly.
If this isnot thecase, repeat thesteps
above again. Problems
withtheside window s
Problem: aside window cannotbeclosed
because itis blocked byobject s,e.g.
leaves inthewindow guide.
X Remove theobje cts.
X Close theside window.
Problem :asidewindow cannotbeclosed
and youcannot seethecause. Side
windows
87Opening/closing Z

otherwise
notfold inwhen youselect the
"Fold inmirrors whenlockin g"funct ioninthe
on-board computer (Ypage 237).
X Make surethattheSmart Keyisin
position 1in the ignition lock.
X Briefly pressbutton :.
Folding theexterior mirrorsinor out
aut omat ically If
the "Fold inmirrors whenlockin g"funct ion
is activated inthe on-board computer
(Y page 237):
R the exter iormirrors foldinautomatically as
soon asyou lock thevehicle fromthe
outside.
R the exter iormirrors foldoutagain
automatically assoon asyou unlock the
vehicle andthen open thedriver's orfront -
passenger door. i
The
mirrors donot fold outifthey have
been folded inmanually .
Exterior mirrorout ofposition If
an exter iormirror hasbeen pushed outof
position, proceedasfollows:
X Vehicles withoutelectrically folding
exterior mirrors: move theexter iormirror
into thecorrec tposition manually.
X Vehicles withelectrically folding
exterior mirrors: press andhold the
mirror- folding button(Ypage 103)untilyou
hear themirror engage inposition.
The mirror housing isengaged againand
you can adjust theexter iormirrors asusual
(Y page 103). Automa
ticanti-glar emirr ors G
WARNIN
G If
incident lightfrom headlamps isprevent ed
from strikingthe sensor inthe rear-view
mirror, forinstan ce,byluggage piledtoohigh in
the vehicle, themirror's automatic anti-
glare functionwill notoperate.
Inc ident lightcould thenblind you.Thismay
distract youfrom thetraffic conditionsand,
as aresult, youmay cause anaccident .
The rear-view mirrorandtheexter iormirror
on the driver's sideautomatically gointo anti-
glare mode ifthe ignition isswitched onand
incident lightfrom headlamps strikesthe
sensor inthe rear-view mirror.
The mirrors donot gointo anti-glare mode if
reverse gearisengaged orthe interior lighting
is switched on. Park
ingposition forthe exterior
mirr oron the front- passenger side
Setting andstoring theparking position You
canposition thefront -passenger side
exter iormirror insuch away that youcan see
the rear wheel onthat side assoon asyou
engage reverse gear.Youcanstore this
position. X
Make surethatthevehicle isstation aryand
that theSmart Keyisin position 2in the
ignition lock.
X En gage reverse gear.
The exter iormirror onthe front -passenger
side moves tothe preset parking position.
X Use adjustmen tbutton =toadjust the
exter iormirror toaposition thatallows you
to see therear wheel andthecurb.
The parking position isstored. 104
Mirr
orsSeats, steering wheel and mirrors

The
hazard warning lampsaredeactivated
automatically ifthe vehicle returnsto aspeed
of over 6mph(10 km/h)after afull
application ofthe brakes. i
The
hazard warning lampsstilloperate if
the ignition isswitched off. Adapt
iveHighbeam Assist
You canusethis funct iontoset the
headlamps tochange between lowbeam and
high beam automatically. Thesystem
recogn izesvehicles withtheir lights on,either
approaching fromtheopposite direction or
traveling infron tof your vehicle, and
cons equently switches theheadlamps from
high beam tolow beam.
The system automatically adaptsthelow-
beam headlamp rangedepending onthe
distanc eto the other vehicle. Oncethe
system nolonger detectsany other vehicles,
it reactivat esthe high-beam headlamps.
The system's opticalsensorislocated behind
the windshield neartheoverhead control
panel. X
To activat e:activat ethe Adaptive
Highbeam Assistfunctionusing theon-
board computer (Ypage 234).
X Turn thelight switch toc orÃ. X
Press thecombinat ionswitch beyond the
pressure pointinthe direction ofarrow :
(Y page 111).
If it is dark andthelight sensor activates
the low-beam headlamps, the_
indicator lampinthe instr ument cluster
lights up.
If you drive faster thanapproximately
28 mph (45km/ h):
the headlamp rangeisset automatically
depending onthe distanc ebetween the
vehicle andother roadusers.
If you drive faster thanapproximately
35 mph (55km/ h)and noother roadusers
are identified:
the high-beam headlamps areswitched on
automatically. The
K indicator
lampin
the instr ument cluster alsolights up.
When youdrive slower thanapproximately
30 mph (45km/ h)or ifother roadusers
are identified orifthe roads aresufficient ly
illuminated:
the high-beam headlamps areswitched off
automatically. TheK indicator lampin
the instr ument cluster goesout.The_
indicator lampinthe instr ument cluster
stays on.
X To deactivat e:move thecombinat ion
switch backtoits normal position.
The _ indicator lampinthe instr ument
cluster goesout. G
WARNIN
G The
Adaptive Highbeam Assistisonly anaid
inten dedtosupport youwhile driving. The
driver isand remains responsible forproper
vehicle lighting inaccordanc ewith the
prevailing light,sightandtrafficcondit ions.
The system maybeimpaired orunavailable
when
R visibility ispoor, e.g.due tosnow, rain,fog,
or heavy spray
R the optical sensorareaofthe windshield is
dirty, fogged up,orcovered byastick erfor
example 112
Exterior
lightingLights and windshield wipers

Windshi
eldwipers Swi
tchin gthe windshie ldwipers on/
off G
WARNING Wip
erbla des arecomponents thataresub ject
to wea rand tea r.Re place thewipe rb lades
twic eayear, preferably inthe sprin gand fall.
Oth erwise thewindows willnotbewiped
proper ly.As aresult ,you may notbeable to
obser vesurro undin gtraffic condition sand
could cause anacc ident .
! Donot operat ethe windsh ieldwipers
when thewindsh ieldisdry, asthis could
damage thewiper blades. Moreover,dust
that hascollec tedonthe windsh ieldcan
scr atc hthe glass ifwiping takesplace when
the windsh ieldisdry.
! Ifthe windsh ieldwipers leavesmear son
the windsh ieldafterthe vehic lehas been
washed inan autom aticcarwash, waxor
oth erresidues maybethe reason forthis .
Clean thewindsh ieldusing washer fluid
aft erwashing thevehic lein an autom atic
car wash. Combin
ationswitch
1 $ Winds hieldwipers off
2 Ä Inter mit ten twipe, low7
3 Å Inter mit ten twipe, high8
4 ° Continuous wipe,slow
5 ¯ Continuous wipe,fast B
í Single wipe
C î Towipe withwasher fluid
X Swit chon the ignit ion.
X Turn thecom binat ionswitc hto the
appropr iateposit ionorpress thebutt onon
the side.
! Inter mit ten twiping withrainsensor: due
to optic alinf luenc esand thewindsh ield
becom ingdirtyin dry weather condition s,
the windsh ieldwipers maybeact ivate d
inadv ertent ly.This could thendamage the
wind shieldwiper blades orscrat ch the
wind shield.
For this reas on,you should always switch
off thewind shieldwiper sin dry weat her.
In theÄ orÅ position,theappro priate
wipin gfrequen cyisset auto maticall y
acc ording totheint ensityof therain .In
th eÅ position,therain sensor ismor e
sen sitive than intheÄ position,caus ing
th ewind shieldwiper sto wipe more
fr equen tly. Swit
ching therea rwindow wiperon/
off Combin
ationswitch
: è Rearwindow wiperswitch
2 b Towipe withwasher fluid
3 ° Toswitc hon intermit tentwiping
7 Rain sensorset tolow sens itivity.
8 Rain sensorset tohigh sensitivity. 118
Wind
shield wipersLights and windshield wipers

or
predict thecurvature andlane layou torthe
movement ofpreceding vehicles.The
DISTRONIC PLUScanonly apply amaximum
of 40% ofthe vehicle's brakingpower.
The DISTRONIC PLUSmaynotdetect narrow
vehicles possibly drivinginfront ofyou, such
as motorc yclesandvehicles drivinginan
offset formation.
It is the driver's responsibility atall times to
be attent ivetothe road, weather andtraffic
conditions .Addition ally,thedriver must
provide thesteer ing,brakin gand other driving
inputs necessary toremain incon trol ofthe
vehicle.
High- frequenc ysources suchastoll stat ions,
speed measuring systemsetc.can caus eth e
DI STRO NICPLUSsyst emtotempor arily
ceas efun ction ing. G
WAR
NING The
DISTRO NICPLUScan nottak eroad and
tr aff iccon dition sint oacc oun t.On lyuse the
DI STRO NICPLUSifth eroad, weatherand
tr aff iccon dition smak eit advis abletotravel
at acon stant spee d. G
WAR
NING Use
oftheDI STRO NICPLUScan be
dang erouson slippe ryroads .Rapid chang es
in tiretract ion can result inwheel spinand
loss ofcon trol.
The DISTRO NICPLUSdoes notfun ction in
adver sesigh tand dista nce cond itions. Donot
us ethe DISTR ONICPLUSdurin gco nd ition sof
fog ,heav yrain ,sn ow orslee t. G
WAR
NING The
DIST RONI CPLU Scan nottak eweat her
co nd ition sint oacc oun t.Swit choff the
DI ST RONI CPLU Sor do notswit chiton if:
R road sare slipp eryorcover edwithsn ow or
ice .The wheels couldlosetractionwhile
braking oraccelerating, andthevehicle
could skid.
R the DISTRONIC PLUSsystem sensorcovers
are dirty orvisibili tyisdiminished dueto snow,
rainorfog, forexample. Thedistance
cont rolsystem functionality couldbe
impaired.
Always payattent iontosurrounding traffic
conditions evenwhile theDISTRONIC PLUSis
switched on.Otherwise, youmay notbeable
to recognize dangerous situationsuntilitis
too late. Thiscould cause anaccident inwhich
you and/or otherscouldbeinjured. G
WARNING The
"Resu me"funct ionshould onlybe
operated ifthe driver isfully aware ofthe
previously setspeed andwishes toresume
this particular presetspeed. G
WARNING Your
undivided attentiontostreet andtraffic
conditions isnecessary atall times whether
DISTRONIC PLUSisactive ornot.
The useofDISTRONIC PLUScanbe
dangerous onwinding roadsorinheavy traffic
because conditions donot allow safedriving
at aconst antspeed.
DISTRONIC PLUSdoesnotreact tostationary
object son the road (forexample, avehicle
stopped intraffic oran abandoned vehicle).
DISTRONIC PLUSlikewise doesnotreact to
oncomin gvehicles.
Deactivate DISTRONIC PLUS:
R when changing tothe right lane, ifthe
vehicles inthe left lane aredriving slower
R when driving intoafilter laneoran
expressway exit
R in complex drivingsituations, forexample
in const ruction sitesonanexpressway
In these situations DISTRONIC PLUSwill
maintain thesetspeed ifit is not deactivated.
DISTRONIC PLUSisintended onlyfor
maintaining aset speed andaset distance
from theobject smoving infront ofthe
vehicle. 170
Driving
systemsDriving and parking