2012 MERCEDES-BENZ M-Class lights

The
system maybeimpaired orunavailable if:
R there ispoor visibility, e.g.due tosnow,
rain, fogorheavy spray.
R the windshield isdirty, fogged upor
covered, forinstan cebyastick er,inthe
vicinit yof the camera.
R you aredriving onbends, uphillgradients
or downhill gradients.
Light fromtheheadlamps ofoncom ing
vehicles doesnotaffect theNight ViewAssist
Plus display inthe multifunct iondisplay .This
is also thecase ifyou cannot switchonthe
high-beam headlampsduetooncomin g
traffic. G
WARNING The
Night ViewAssist Pluscannot record
object simmediately infront ofor next tothe
vehicle. Whenmaneuvering, continue tolook
through thewindshield. Makesureno
persons oranimals areinthe area inwhich
you aremaneuvering. Youcould otherwise
injure them. i
Infrared
lightisnot visible tothe human
eye and therefore doesnotglare. Night
View Assist Pluscantherefore remain
switched oneven ifthere isoncomin g
traffic. :
Night ViewAssist Pluscamera
Switching onNight ViewAssist Plus Depending
onyour vehicle's dateof
manufacture, thec orà symbol for
the "Automatic drivinglights/daytime running
lamps"position islocated onthe light
switch. You
canonly activate NightViewAssist Plus
if:
R the SmartK eyisin position 2in the ignition
lock.
R itis dark.
R the light switch isset toeither c,
à orL.
R reverse gearhasnotbeen engaged.
X Make surethatCOMAND isswitched on.
X Press button :.
The Night ViewAssist Plusdispla yappea rs
in the COMAND display. :
Night ViewAssist Plusdispla y
; Pedestrian recognized
= Framing
? Symbol foractive pedestrian recognition
You canread about howtoadjust the
brightness ofthe COMAND displayin the
COMAND operatinginstructions. 196
Driving
systemsDriving and parking

alte
ringof thedevi cewill void any
warr anties, and isno tp ermit tedbythe
FCC. Donot tamper with,alter, oruse in
any non-approved way.
An yunauthoriz edmodificat iontothis
device couldvoidtheuser’s authorit yto
operate theequipment.
For Blind SpotAssist toassist youwhen
driving, theradar sensor system mustbe
activat ed(Ypage 236)and operation al.
Monitoring rangeofthe sensors
Blind SpotAssist monitorsthe area shown in
the figure upto10 ft(3 m) behind and
immediately adjacenttoyour vehicle. G
WARNIN
G Blind
SpotAssist monitorscert ainareas inthe
immediate vicinityof your vehicle. Vehicles
that approach anddrive pastathigh speeds
are not detect ed.There isno display andno
warning.
If the lanes arevery wide, itmay notbe
possible tomonit orthe complete widthofthe
neighboring lane.Forthis reason, vehicles in
the next lanemaynotbedetect ed,especially
if they aredriving inastaggered formation.
This may bethe case ifvehicles aredriving at
that edge oftheir lanewhich isfurthest away
from yourvehicle. Always
payatten tiontotraffic conditionsand
your surroundings. Otherwise,youmay failto
recogn izedangers intime, cause anaccident
and injure yourself andothers.
If the lanes arenarrow, vehicles drivinginthe
lane beyond thelane next toyour vehicle may
be indicated, especially ifthe vehicles arenot
driving inthe middle oftheir lane. Thismay
be the case ifthe vehicles aredriving onthe
inner sideoftheir lane.
Due tothe nature ofthe system:
R warnings maybeissued inerror when
driving closetocrash barriers orsimilar
solid laneborders.
R warnings maybeinterr upted whendriving
alongside longvehicles, suchastruck s,for
a prolonged time.
The two sensors forBlind SpotAssist are
integr atedintothesides ofthe rear bumper.
Make surethatthebumper isfree from dirt,
ice orslush around thesensors. Therear
sensors mustnotbecovered, forexample by
bicycle racksoroverhanging loads.Following
a severe impact orinthe event ofdamage to
the bumpers, havethefunct ionofthe radar
sensors checkedataquali fiedspecialist
workshop, e.g.anauthorized Mercedes-B enz
Center. BlindSpotAssist mayotherwise not
work properly.
Indicator andwarning display :
Yellow indicator lamp/red warninglamp
When BlindSpotAssist isactivated, indicator
lamp :lights upyellow inthe exter ior
mirrors uptoavehicle speedof20 mph Driving
systems
199Driving and parking Z

(30
km/h). When thevehic lespeed exceeds
20 mph (30km/h), theindic atorlamp goes
out and BlindSpot Assistisready foruse.
When yourspeed exceeds approx imately
20 mph (30km/h), warnin glamp :light sup
red ontheco rrespo nding side when evera
vehicl eis detected inthe blind spot
monitoring range.Thiswarning isalw ays
given when avehicl eenters theblind spot
monitoring rangefrombehindorfrom the
side .When youarepassing another vehicle,
the warning isemitted onlyifthe difference
in speed isless than 7mph (12km/h).
The yellow indicator lampgoesoutifreverse
gear isengaged. Inthis event, BlindSpot
Assist isno longer active.
The brightness ofthe indicator/warnin g
lamps isadjusted automatically accordingto
the ambient light. G
WARNING Blind
SpotAssist isnot active atspeeds under
approximately 20mph (30km/h). The
indicator lampsinthe exterior mirrorsare
yellow .Vehicles inthe monit oringrange are
then notindicat ed.
Always payatten tiontotraff iccon ditions and
your surroundin gs.Other wise,youmay failto
recogn izedangers intime, cause anacciden t
and injure yourself andother s.
Collisio nwarning
If avehicle isdetec tedinthe monit oringrange
of Blind SpotAssist andyouswitch onthe turn
signal, adouble warning tonesounds. Red
warning lamp:flashes. Ifthe turn signal
remains on,detect edvehicles areindicated
by the flashing ofred warning lamp:.There
are nofurther warning tones.
Switching onBlind SpotAssist
X Make surethattheradar sensor system
(Y page 236)andBlind SpotAssist (Y
page 232)areactivated inthe on-board
computer.
X Turn theSmartK eytoposition 2in the
ignition lock.
Warning lamps:light upred inthe
exterior mirrorsforapproximately 1.5
seconds andthen turnyellow.
Tra iler towing
When youattach atrailer, makesureyouhave
correct lyestablished theelectrical
conn ection. Thiscanbeaccomplished by
check ingthe trailer lighting. Inthis event,
Blind SpotAssist isdeactivated. Theindicator
lamp inthe exterior mirrorslightsupyell ow,
and the Blind
SpotAssist Currently Unavailable
SeeOperator's Manual message
appearsinthe multifunction
displa y. i
You
candeactivate theindicator lampsin
the exterior mirrors.
To do so, switch offBlind SpotAssist when:
R the SmartK eyisin position 2in the
ignition lock.
R the engine isnot running.
R the electrical connection tothe trailer
has been established.
Lane Keeping Assist Import
antsafety notes
Lane Keeping Assistmonitors thearea in
front ofyour vehicle bymeans ofacamera at
the top ofthe windshield. LaneKeeping Assist
detect slane markings onthe road andwarns
you before youleave yourlane
uninten tionally. 200
Driving
systemsDriving and parking

Indi
catorand warning displa y :
Yellow indicat orlamp/ redwarn inglamp
When ActiveBlin dSpo tAssist isactivated,
indicator lamp:lights upyell ow inthe
exterior mirrorsuptoav ehicle speed of
20 mph (30km/ h).When thevehicle speed
exc eeds 20mph (30km/ h),the indicat or
lamp goesoutand Active Blind SpotAssist is
ready foruse.
When yourspeed exceeds approximat ely
20 mph (30km/ h),warning lamp:lights up
red onthe corr espondin gside whenever a
vehicle isdetec tedinthe blind spot
monit oringrange. Thiswarning isalway s
given when avehicle enters the blind spot
monit oringrange frombehind orfrom the
side. When youarepassing anothervehicle,
the warning isemitt edonly ifthe differen ce
in speed isless than 7mph (12km/ h).
The yellow indicatorlamp goesoutifrevers e
gear isengaged. Inthis event ,Ac tive Blind
Spot Assist isno longer active.
The brightn essofthe indicat or/warn ing
lamps isadjusted automatic allyaccor dingto
the ambient light. G
WARN
ING Act
iveBlind SpotAssist isnot active atspeeds
lower than20mph (30km/ h).The indicat or
lamps inthe exterior mirror sare yellow.
Vehicles inthe monit oringrange arethen not
indicat ed.
Always payatten tiontotraff iccon ditions and
your surroundin gs.Other wise,youmay failto recogn
izedangers intime, cause anacciden t
and injur eyourself andother s.
Visua land audible collision warnings
If you switch onthe appropriate turnsignals
and avehicle isdetec tedinthe side
monit oringrange, youwillreceive avisual and
acoustic collisionwarning. Youwillhear a
double warning toneand redwarning
lamp :flashes. Ifthe turn signal remains on,
vehicles detectedareindicat edbythe
flashing ofred warning lamp:.Thereareno
further warning tones.
Course-correcting brakeapplication
If Act ive Blind SpotAssist detectsa risk ofa
lateral collision inthe monitorin grange, a
course-corr ectingbrakeapplication iscarried
out. This ismeant toassist youinavoiding a
collision.
The course-corr ectingbrakeapplication is
availa bleinthe range between 20mph
(30 km/h) and120 mph (200 km/h).
If acourse-corr ectingbrakeapplication
occurs, redwarning lamp:flashes inthe
exterior mirrorandthefollowing isshown in
the multifunction display,for example: G
WARNING Act
ive Blind SpotAssist isonly anaid
designed toassist driving. Itis not asubstitute
for attent ivedriving. Insome cases, the
course-corr ectingbrakeapplication isnot
sufficient toavoid acollision. Insuch acase,
you must steer, brakeoraccelerate.
In very rarecases, thesystem may
erroneously detectadanger ofcollision inthe
area ofcrash barriers orsimilar laneborders
and apply thebrakes. ActiveBlind SpotAssist
does notdetect alltraffic situations androad 204
Driving
systemsDriving and parking

user
s.Alwa ysmak esure that there is
suff icientdist anceon theside forother traff ic
or obst acles.An inap propriat ebrak e
applic ationm aybe interr upte dat any timeif
you steer sligh tlyintheoppos itedire ction or
acc eler ate.
You arerespon sible fordriv ingatappro priate
spee ds,brak ingingood time,and steeri ng
cor rectly. Always adaptyourdrivingstyle to
suit theprev ailingroad andweat her
con dition s.Always payattent ion totraff ic
con dition sand your surroundings. Other wise,
you may failtorec ogn izedang ersintim e,
caus ean acc iden tand inju reyoursel fand
othe rs.
The rewillbe either nooronl ya we ak cou rse-
corr ectingbra keapplica tionif:
R there arevehi cles orobsta cles,e.g.crash
barri ers,locatedonboth sidesof you r
vehi cle.
R avehi cleapp roache syou tooclose lyat the
side .
R you have adopted asporty drivingstyle with
high cornering speeds.
R you clearlybrake oraccel erate.
R adrivi ngsafe tysys tem intervenes, e.g.
ESP ®
or PRE-SAFE ®
Brake.
R ESP ®
is swi tched off.
R the off-road programisswitched on.
R aloss oftire pressure oradefective tireis
detected.
Switching onActive BlindSpotAssist
X Make surethattheradar sensor system
(Y page 236)andActive Blind SpotAssist
(Y page 232)areactivated inthe on-board
computer.
X Turn theSmartKey toposition 2in the
ignition lock.
Warning lamps:light upred inthe
exterior mirrorsforapproximately 1.5
seconds andthen turnyellow. Tra
iler towing
When youattach atrailer, makesureyouhave
correct lyestablished theelectrical
conn ection. Thiscanbeaccomplished by
checkin gthe trailer lighting. ActiveBlind Spot
Assist isthen deactivated. Theindicator lamp
lights upyell owinthe exterior mirrorsandthe Active
BlindSpotAssist Currently Unavailable
SeeOperator's Manual message
appearsinthe multifunction
displa y.
Active LaneKeeping Assis t Importa
ntsafety notes
Act iveLane Keeping Assistmonitors thearea
in front ofyour vehicle bymeans ofacamera
at the top ofthe windshiel d.Act ive Lane
Keeping Assistdetects lanemarkings onthe
road andwarns youbefore youleave your
lane unintent ionally.Ify ou do not react tothe
warning, alane-cor rectingapplication ofthe
brakes canbring thevehicle backintothe
original lane. :
Active Lane Keeping Assistcamera
If you have selected the Display
Unit Speed-/Odome
ter (Y
page 233)functionin
the on-board computer andselect km as
the
unit ofmeasurement, Active Lane Keeping
Assist isactive fromspeeds of60 km/ h.If
the miles display
unitisselected, the
assistance rangebegins at40 mph. G
WARNIN
G Act
ive Lane Keeping Assistdoesnotkeep
your vehicle inits lane. Itis only anaid and Driving
systems
205Driving and parking
Z

control
,cau sing anacci dent and/or serious
per sona linju ryto youand othe rs.Do not
swi tch onDSR inasitu ation whe rerap id
dece lerati oncou ldresu ltin alos sof vehi cle
control .
DSR control sthe setspeedwhe nitisactive
and theautomatic transmission isin the D,
R or Nposition. Youcandrive atahigher or
a lower speed thanthatsetonthe on-board
computer atany time byaccelerating or
braking. G
WARNING If
you depress theaccelerator pedalwithDSR
activated, thevehicle candrive faster thanthe
programmed setspeed. Youshould therefore
drive downhill withparticular cautionasit
could leadtoan accident and/orserious
injury toyou orothers. Keepinmind thatas
soon asyou remove yourfootfrom the
accelerator pedalwithDSR switched on,DSR
will start regula tingthevehicle's speed
including useofbrakes ifrequired. Depending
on the programmed setspeed, actualvehicle
speed andgradient, DSRcancause the
vehicle toslow down rapidly.Sudden and
unexpected deceleration canresult inloss of
vehicle control,causing anaccident and/or
serious personal injurytoyou and others.
For information ondriving off-road, see
(Y page 162).
Activating/deac tivatingDSR Activating
You
canonly activate DSRifyou aredriving
at 25 mph (40km/h) orslower. X
Press button :.
Indicator lamp;lights up.
The followi ngmessages appearint he
multifunction displayand inthe status
indicator, forexample: If
the driving speedistoo fast, theDSR
symbol andthe Max.
Speed 25mph (Canada
: 40
km/h )
message appearint he
multifunction display. i
You
cannot activate DSRifthe SPORT on-
road program isactivated. TheDSR symbol
and the Not
inDrive Program SPORT message
thenappea rint he multifunction
displa y.
Deactivating
X Press button :.
Indicator lamp;goes out.
The DSR symbol appearsinthe
multifunction displaywith the Off
message.
DSR isdeactivated automatically ifyou are
driving fasterthan30mph (Canada :
45 km/h). TheDSR symbol appearsinthe
multifunction displaywith the Off message.
Stat usindicator =goes out.Youalso hear a
warning. Off-r
oaddriving systems
209Driving and parking Z

G
WARNING Do
not disconnect atrail erwith anengag ed
overru nbrake. Otherwi se,you rhand could
bec ome trapped between thebumpe rand
trai lerd rawb ar.
Observe themaximu mpermissible trailer
dimension s(width andlengt h).
Most federal statesand allCanadian
provin cesrequire bylaw:
R safety chains between thetowing vehicle
and thetrailer. Thechains should becross -
wound underthetrailer drawbar. Theymust
be fasten edtothe vehicle's trailer
coupling, nottothe bumper orthe axle.
Allow forenough playinthe chains to
facilitat eturn ingtight corners.
R aseparate brakesystem forcert aintypes
of trailer.
R asafety switch forbraked trailers. Check
the specific legalrequirement sapplicable
to your federal state.
If the trailer detaches fromthetowing
vehicle, thesafety switch applies the
trailer's brakes.
! Donot connectthe trailer's brakesystem
(if featured) tothe hydrau licbrake system
of the towing vehicle, asthe latter is
equipp edwith ananti-lock brakesystem.
Doing sowill result inaloss offunct ionof
the brake systems ofboth thevehicle and
the trailer.
X Make surethattheautomatic transmission
is set toposition P.
X Apply thevehicle's electricparking brake.
X Start theengine.
X Vehicles withtheAIRMATIC package:
select highway level.
X Vehicles withtheadaptive damping
system: setADS toAUTO orCOMF.
X Switch offthe engine.
X Close alldoors andthetailgate.
X Coupl eup the trailer.
X Est ablish allelectrical connections. i
Vehicles
withtheAIRMATIC package:
if you couple upatrailer, thevehicle always
remains athighway level.When coupling up
a trailer, please observe thefollowing:
R ifhighway levelhasnotbeen set
manually ,the vehicle willautomatically
sink tohighway levelassoon asit
reaches aspeed of5m ph(8km/ h).
R high-spe edlevel isnot available.
These restrictions apply toall access ories
powered through acon nection tothe trailer
power socketofyour vehicle, e.g.abicycle
carrier . Towing
atrail er
Th ere arenum erouslega lreq uirem ents
conce rning the towingofatra iler, e.g.speed
rest rictions. Make surethatyour vehicle/
trailer combin ationcomplies withthelocal
requiremen tsnot only inyour areaof
residen cebut also atany location towhich
you aretrav eling. Thepolice andlocal
authorit iescan provide reliableinformation .
Please observe thefollowing whentowinga
trailer:
R To acquaint yourselfwithdrivin gwith a
trailer andwith theresultin gchang esto
handling, youshould practicecorn ering,
stoppin gand backin gup inatraf fic-free
location .
R Befor edrivin g,chec k:
- the trailer towhitch
- the safety switchfor braked trailers
- the safety chains
- the elect ricalconnection s
- the lights
- the wheels
R Adj ust the exterior mirror sto provide an
unobst ructedview ofthe rear sectionofthe
trailer.
R Ifthe trailer features electronic ally
con trolled brakes, pullaway thevehicle/
trailer combin ationcarefully, manually 216
Tr
ailer towingDriving and parking

X
Press the: or9 button toselect the Display
UnitSpeed-/Od ometer funct
ion.
You willsee theselected setting: km or
miles .
X Press thea button tosave thesetting.
Selecting theperm anent display function
The Permanent
Display: funct
ionallows
you tochoose whether themultifunc tion
display alwaysshows theoutside
temperat ureorthe speed inkm/ h(USA) or
mph (Canada).
X Press the= or; button onthe
steerin gwheel toselect the Settings
menu.
X Press the: or9 button toselect the Instr.
cluster submenu.
X Press thea button toconf irm.
X Press the: or9 button toselect the Permanent
display funct
ion.
You willsee theselected setting Outside
Temperatu
re or Speedomet
er[km/h]: .
X Press thea button tosave thesetting.
Lights Switching
thedayt imerunning lampson/
off
This funct ionisnot availabl ein Canada.
If you have activat edthe Daytime Running
Lights: funct
ionand thelight switch isin the
c orà position, thedaytime running
lamps areswitched onautomatically during
the day when theengine isrunnin g.
In the dark, thefollowing alsolight up:
R the low-beam headlamps
R the parking lamps
R the taillamps
R the license platelamp
R the side marker lamps X
Press the= or; button onthe
steerin gwheel toselect the Sett. menu.
X Press the: or9 button toselect the Lights submenu.
X Press thea button toconf irm.
X Press the: or9 button toselect the Daytime
RunningLights: funct
ion.
You willsee theselected setting: Enabled
or Disabled .
X Press thea button tosave thesetting.
Switching AdaptiveHighbeam Assiston/
off
X Press the= or; button onthe
steerin gwheel toselect the Sett. menu.
X Press the: or9 button toselect the Lights submenu.
X Press thea button toconf irm.
X Press :or9 toselect the Adaptive
HighbeamAssist: funct
ion.
You willsee theselected setting: Enabled
or Disabled .
X Press thea button tosave thesetting.
Setting thebright nessofthe ambient
lighting
X Press the= or; button onthe
steerin gwheel toselect the Settings
menu.
X Press the: or9 button toselect the Lights submenu.
X Press the: or9 button toselect Ambient
light .
You willsee theselected setting.
X Press thea button toconf irm.
X Press the: or9 button toadjust the
brightn esstoany level from Off to Level
5 (bright).
X Press thea or% button tosave the
sett ing. 234
Menus
andsubmenusOn-board computer and displays