
mus
tbe initia ted. An immediat elane chang eis
on lypo ssible on free wa ysec tion swit hout speed
limi ts.
If th esy stem isim pair ed,ActiveLa ne Chang e
Assi stma ybe canceled .If it is canceled ,th e
Lane Change Cancel edmessag eappe arsin the
multifu nctiondisplay and awa rning tone sou nds. 000A
WARNIN GRisk ofacci dent from chang ‐
ing lane toan occ upied adjacentlane
Lan eChan geAssi stcanno tal wa ys detect
cle arly ifth eadjacen tlane isfree.
The lane chang emigh tbe init iated although
th eadjacen tlane isno tfr ee. 0007
Beforech ang inglane s,mak esur eth at
th eneighbor inglane isfree and ther eis
no dang ertoother road user s. 0007
Mon itor thelane chang e. 000A
WARNIN GRisk ofacci dent ifLane
Ch ang eAssi stune xpectedl yst ops func‐
tionin g
If th esy stem limit ations forLane Change
Assis tha ve been reac hed, ther eis no guar‐
ant eethat thesy stem will remain active.
Lane ChangeAssis tcanno tth en assis tyo u
by appl ying steer ing torq ues . 0007
Alw aysmonit orthelane chang eand
ke ep your han dson thesteer ing wheel.
Obser vethetra ffic con dition sand steer
and/or brak eif neces sary. Sy
stem limita tions
The system limit ations ofActiveSt eer ing Assis t
apply toActiveLa ne Chang eAssi st
( → pag e18 0).
The system mayalso beimpair edorma yno t
func tion inthefo llo wing situat ions:
R The sensorsin there ar bum peraredir ty,
damag edorcovered, forins tance bya
st icke ror ice and snow.
R The exterior lighting ismalfunct ioning. Ac
tiv atin g/deac tivatin gAc tiv eLan eCha nge
As sist
Multimedia system:
Vehicle kAssist ance 0007
Select LaneChange Assist. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
Fu nction ofActiv eEme rgency Stop Assis t
If th edr iver con tinuall yignor esthevisual or
acous ticwarning toput their hands onthesteer‐
ing wheel, theBeginn ingEmer gencySt op mes‐
sag eappear sin themultifunc tiondispla y.Ifth e
dr iver still does notre spond, ActiveDis tance
Assi stDIS TRONI Creduces thespeed. Thevehi‐
cle isdeceler ated instag es toast ands till.At
speeds below40 mph(6 0km/h) thehazar d
wa rning light sswitc hon aut omat ically.
When theve hicle isstatio nary,thefo llo wing
act ions arecar ried out :
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e
R ActiveDis tance AssistDIS TRONI Cis end ed
R The vehicle isunloc ked Dr
iving and parking 18
3

Af
terth eengine isrestar ted, obs tacle smus tbe
de tected again bef oreane wwa rning can be
issued.
Sy stem limita tions
The system limit ations forPa rking Assist
PA RK TRONI Cappl yfo rpass ive side impact pro‐
te ction.
The follo wing objectsar eno tde tected, forex am‐
ple:
R Pedes trians who approachth eve hicle from
th eside
R Objec tsplaced next to theve hicle
Deactiv ating/activ atingParking Assis t
PA RK TRONI C
000E NO
TERisk ofan acci dent from objects
at clo serang e Pa
rking AssistPA RK TRONI Cma yno tde tect
cer tain obje ctsat clos era ng e. 0007
Whe npa rking ormane uvering theve hi‐
cle, paypar ticular attention toany
obj ect swhic har eabo veorbelo wthe
sensor s,e.g. flowe rpo ts or draw bar s. The
vehicle orother object scould oth‐
er wise bedamag ed. If
indicat orlam p1 isno tlit, Parking Assist
PA RK TRONI Cis act ive. Ifth eindicat orlam pis lit
or theé symbol appearsin themultifunc tion
displa y,Pa rking AssistPA RK TRONI Cis no t
act ive. 0007
Press button2. 0009
Dep endingontheve hicle's equipment, the
butt onmayalso belocat edinthecent er
con sole.
0009 Parking AssistPA RK TRONI Cis aut omat ically
act ivat ed when theve hicle isstar ted.
Ad jus tingthe warning tones ofParking
Assis tPA RK TRONI C
Mu ltimed iasystem:
Vehicle kAssist ance Camera&
Parkin gS etWarning Tones
Ad jus tingthe volum eof thewa rning tones 0007
Select Warning ToneVolume. 0007
Seta va lue.
Ad jus tingthe pitchof the warning tones 0007
Select Warning TonePitch.
Se ta va lue.
Specif yingthest ar ting pointfo rthe warning
to nes
Yo ucan spec ifywhe ther thePa rking Assist
PA RK TRONI Cwa rning tones should comm ence
wh en theve hicle isfur ther aw ay from anobs ta‐
cle . Dr
iving and parking 19
3

0007
Select WarnEarl y. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
Ac tiv atin g/deac tivatin gaudi ofa deo ut
Yo ucan spec ifywhe ther thevo lume ofamedia
sour ceinthemultimedia system isto be
re duced whenParking AssistPA RK TRONI Cgiv es
an audible warning. 0007
Selec tAudio Fadeout DuringWarn ingTone s. 0007
Activate0073 ordeacti vate 0053 thefunc tion. Re
versing camer a Fu
nction ofthere ar vie wcamer a When
youen gage reve rsege ar,th eimag efrom
re ar vie wcam era1 issho wninthemultimedia
sy stem. Dynamic guidelinesshowthepat hth e
ve hicle willtake wit hth esteer ing wheel inits
cur rent positio n.Thi shel psyouto orient your‐
self and toavoid obstacle swhe nba cking up. The
rear vie wcam erais on lyan aid. Itis no ta
subs titutefo ryo ur att entio nto thesur round ings.
The responsibili tyforsaf emaneu vering and
pa rking remains withyo u. Mak esur eth at ther e
ar eno per sons, animals orobjec tsetc., inthe
maneu vering area while ma neu vering and park‐
ing.
Yo ucan selectfrom thefo llo wing views:
R Normalvie w
R Wide-ang levie w
R Trailer view
The area behin dth eve hicle isdispla yedas a
mir rorimag e,as intheinside rear vie wmir ror.
Sy stem limita tions
The rear vie wcam erawill notfun ction orwill
on lypa rtially function inthefo llo wing situat ions:
R Ifth etrunk lidortailg ateis open .
R Ther eis hea vyrain, sno wor fog.
R The ambient lightispoor ,e.g. atnight.
R The camer alens isobs truct ed, dirtyor fog‐
ge dup. Obser vetheno teson cleaning the
re ar vie wcam era(→ pag e36 0). 19
4
Driving and parking

tio
nto this rest area. This function can beact iva‐
te dand deactiv ated inthemultimedia system.
Sy stem limita tions
AT TENTION ASSISTis activ ein the37 mph
(60 km/ h)to 124mp h(2 00 km/h) speedra ng e.
The func tional ity ofATTENTION ASSISTis
re strict ed, and warnings maybe dela yedor not
occ uratall inthefo llo wing situat ions:
R Ifyo uha ve been driving forless than appr ox‐
imat ely30 min utes.
R Ifth ero ad con dition ispoor (unevenro ad
sur face orpotholes).
R Ifth er eis ast ro ng side wind.
R Ifyo uadop ta spor tydrivin gst yle (high cor‐
ner ing speeds orhigh ratesof acceler ation).
R Ifth etime hasbeen setincor rectl y.
R Inactiv edr iving situations, ifyo uch ang e
lane sand vary your spee dfreq uen tly. The
ATTENTION ASSISTtir edness oraler tness
assessment isdele tedand restar tedwhen con‐
tin uing thejour neyin thefo llo wing situat ions:
R Ifyo uunf astenyo ur seat beltandopen the
dr iver's door (e.g.chang ingdriver sor taking
a br ea k).
Se ttin gAT TENTI ONASSIST
Multimedia system:
Vehicle kAssist ance ATTENTION
AS SIS T
Se tting options 0007
Select Standard, SensitiveorOff.
Sugg esting are st area 0007
Select SuggestRes tArea. 0007
Activate0073 ordeacti vate thefunc tion 0053.
If AT TENTION ASSISTde tects fatig ue or
incr easing lack ofatt ention ,it sugg ests a
re st area inthevicinit y. 0007
Selec ta sugg estedre st area: youar egui‐
ded totheselect edrest area. Tr
af fic Sign Assis t Fu
nction ofTraf fic Sign Assis t Tr
af fic Sign Assistdetects traf fic sig ns with mul‐
tifunction camera1. Itassi stsyo uby displa y‐
ing detected spe edlimits andovertakin gre stric‐
tions intheins trument cluster. Dr
iving and parking 20
7

Since
Traf fic Sign Assistalso uses thedat a
st or ed inthena vig ation system, itcan updat e
th edispla yin thefo llo wing situat ionswithout
de tecting traf fic sig ns:
R Whe nth eve hicle chang esroads, e.g.a free‐
wa yen try or exitro ad.
R When avillag eor cityboun darywhic his
st or ed inthedigit almap iscrossed.
The camer aalso detects traf fic sig ns with a
re striction indicatedbyan addit ionalsign (e.g.in
we tcond itions ).
Tr af fic Sign Assistisonl yan aid. Thedriver is
re sponsible forke eping asaf edis tan cetothe
ve hicle infront, forve hicle speed andforbr aking
in good time.
Wa rning when thema xim um permis sible
speed isexc eeded
The system can warnyouif yo uunin tentio nally
exc eed themaximum permissible speed.Todo
th is, youcan spec ifyinthemultimedia system
by howmuc hth emaximum permissible speed
can beexc eeded beforeawa rning isissued. You
can specify whether thewa rning isto be justa
visual warning oran acous ticone aswell. Displa
yin theIns trum ent Displa y In
stru ment Displa yin theWi descr eenCockpit
1 Perm issible speed
2 Perm issible speedwhenther eis are striction
3 Addition alsign withre striction Tr
af fic Sign Assistisno tav ailable inall coun ‐
tr ies. Ifit is una vailable, display1 issho wnin
th espeedome ter.
Sy stem limita tions
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, ifth er ear e
highl yva riable shade condition sor inrain,
sno w,fogor hea vyspr ay.
R Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions. 208
Driving andparking

R
Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth etraf fic sig ns areha rd todetect, e.g. due
to dir tor sno w,orbecause they areco vered
or due toinsuf ficie ntlighti ng.
R Ifth einf ormation inthena vig ation system's
digit almap isincor rect or out-of-da te.
R Ifth esigns areambiguous, e.g.traffic sign s
on con stru ction sites orinad jacent lanes.
R Ifyo utur nshar plywhen traf fic sig ns areou t‐
sid eth ecamer a'sfield ofvision.
Se tting Traf fic Sign Assis t
Mult imed iasystem:
Vehicle kAssist ance TrafficSign
Assist
Ac tiv atin g/deac tivatin gaut omati cadop tion
of spe edlimits
Re quiremen ts:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d. 0007
Select LimitAdopt ion. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
The speed limitsdetected byTraf fic Sign
Assi stareaut omat icallyadop tedby Active
Dis tance AssistDIS TRONI C.
Di spl aying detected traf fic signs inthe
med iadis pla y 0007
Select Display inCOMA ND. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
0009 When DISTRONIC orcruise control areacti‐
va ted, thespeed detected can bemanu ally
ad op tedas thespeed limit(→pag e17 6).
Ad jus tingthe type ofwa rning 0007
Selec tVisual &Audible ,Visual orNon e.
Ad jus tingthe warning threshold
This value determ ines thespeed atwhic ha
wa rning isissued whenexceeded. 0007
Select Warning Threshold. 0007
Setth edesir edspeed. Blind
SpotAssis tand Activ eBli nd Spo t
As sist Fu
nction ofBlind SpotAssis tand Activ e
Bli nd Spo tAs sist wit hex itwa rning
Blin dSpo tAss istand ActiveBli nd Spo tAssi st
use twolat eral, rear-facin gra dar sensor sto
monit orthear ea up to130ft (40 m)behind your
ve hicle and10ft(3 m) direct lyne xt to your vehi‐
cle.
If ave hicle isde tected atspe eds aboveappr ox‐
imat ely8 mp h(12 km/h) andthis vehicle subse‐
qu ent lyent ersth emonit oring rang edire ctly next
to your vehicle, thewa rning lam pin theoutside
mir rorlig hts upred.
If ave hicle isde tected clos eto theside ofyour
ve hicle, there dwa rning lam pin theoutside mir‐
ro rflashes .If yo uswit chon thetur nsignal indi‐
cat orinthecor responding direction, awa rning
to ne sou nds once .If th etur nsignal indicat or
re mains switchedon,allother detected vehicles
ar eindicat edonlyby theflashin gof there d
wa rning lam p.
If yo uove rtak eave hicle quickl y, no warning is
giv en. Dr
ivin gand parking209

at
ebr ak eapplic ation,e.g .af te rint entional ly
dr iving overa soli dlane marking.
The brak eapp lication canbeinterru pte dat
an ytime ifyo usteer slightl yin theopposit e
dir ect ion. 0007
Alw aysmak esur eth at ther eis suf fi‐
cie ntdist anc eto theside forot her traf‐
fi c or obs tacle s. 000A
WARNIN GRisk ofacci dent despite Lane
Ke eping Assist
Lane Keeping Assistcann otalw aysclear ly
de tect lane mar kings .
In such case s,Lane Keeping Assistcan:
R givean unnec essarywa rning
R notgiv eawa rning 0007
Alw ayspa ypar ticular attention tothe
tr af fic situ ation and keep within the
lane, espec iallyif Ac tiveLa ne Keeping
Assis taler tsyou. Be
sureto obser vethesy stem limit ations of
Ac tiveLa ne Keeping Assist. 0007
Press butt on2.
If indicat orlam p1 lights up,ActiveLa ne
Ke eping Assistis activ ated, thelane mark‐
ings aresho wnaslight intheassis tance
gr ap hic. Whe nAc tiveLa ne Keeping Assistis
activ e,thelane marking sar esho wningreen
in theassis tance grap hic. 0009
Dep endingonthecount ry,yo uma yha ve to
pr ess and hold thebutt ontodeactiv ate.
Se tting thesensit ivityof Activ eLan eKe ep‐
ing Assis t
Multi media system:
Vehicle kAssist ance Act.Lane
Keep. Assist 0007
Select ase tting.
Ac tiv atin g/deac tivatin gthe warning 0007
Swit chLane Depart. Warning on0073 oroff
0053.
Yo udo notre cei veanywa rning when leaving
a lane ifth elane keeping warning system is
deactiv ated. Ve
hicl eto wing instruct ions
The vehicle isno tsuit able forth euse oftow bar
sy stems that areused forflat towing ording hy
to wing, forex am ple. Attach ing and using tow bar
sy stems canlead todamag eon theve hicle.
When youar eto wing ave hicle withto w bar sys‐
te ms, safedr iving charact eristic scan notbe Dr
ivin gand parking 21
5

Ad
jus tingthe inst ru men tlighti ng 0007
Turn brightn esscontrol 1 upordown.
The lightin gof theIns trument Displayand in
th econ trol element sof theve hicle interior is
adjus ted. Menus
andsubmenu s Fu
nctions ontheser vice menu oftheon-
boar dcom puter On-boar
dcom puter:
Service 0007
Toselect thefun ction: swipeupwards or
do wn wardson thelef t-hand Touc hCon trol. 0007
Press thelef t-hand Touc hCon trol.
Fu nctio nson theServ icemenu:
R Messag ememor y(→ pag e425)
R Tires :
- Restar tth etir epr essur eloss warning
sy stem (→pag e390)
- Chec kth etir epr essur ewit hth etir epr es‐
sur emonit or(→ pag e388)
- Restar tth etir epr essur emonit or
(→ pag e389)
R ASSYST PLUS: callsuptheser vice duedate
(→ pag e34 4)
R Vehicl eswith aWi des cree nCo ckpit: Cool-
ant :cool anttemp eratur edispla y R
Engine OilLevel: engine oilleve l Callin
gup theAssis tance Grap hic On
-bo ardcom puter:
As sist anc e
0009 Ve
hicl eswith theIns trum ent Displa yin
th eWi des cree nCo ckpit: whenyo uha ve
th edesign setto Progressive ,yo ucan view
th eAssis tance Grap hicin thelef t-hand area
of theIns trument Display.
The follo wing displa ysareav ailable ontheAssis‐
ta nce Grap hicmenu :
R Assi stanc eGr aphic
R Attentio nleve l(→ pag e206) 0007
Toswitc hbe tw een thedisp lays :swipe
upw ards ordown wardson thelef t-hand
To uc hCon trol. 222
Instru ment Displa yand on-boar dcom puter