
Inf
orma tion oncollision detection ona
pa rked vehicl e If
acolli sion isde tected whe nth eto w- aw ay
alar misarmed onaloc kedve hicle, youwill
re cei veano tificat ion inthemultimedia system
when youswit chon theignition .
Yo uwill recei veinformatio nabout thefo llo wing
point s:
R The area oftheve hicle that ma yha ve been
damag ed.
R The forc eof theim pact.
The follo wing situat ionscanlead toinadv ertent
acti vatio n:
R The parked vehicle ismo ved, e.g. inatw o-
st or yga rage .
% Dea ctivateth eto w- aw ay alar minorder to
pr eve ntina dvertent acti vatio n.Ifyo udeac ti‐
va te theto w- aw ay alar m,collision detection
wi llal so be dea ctivated.
% Ifth ebatt eryis se verely disc ha rged ,th e
function forde tecting acoll ision on apa rked ve
hicle isaut omaticall ydeactiv ated tofacil i‐
ta te thene xt engine star t.
Sy stem limit s
De tection maybe restrict ed inthefo llo wing sit‐
uation s:
R The vehicle isdamag edwithout impact, e.g.
if an outside mirroris torn offor thepaint is
damag edbyaSm artK ey
R Animpa ct occu rsat low spee d
R The electric par kingbr ak eis no tapplied No
teson par king theve hicl efo ran extended
per iod If
yo ulea vetheve hicle parkedfo rlong erthan six
we eks,itma ysuf ferdama gethro ugh disus e.
The 12Vbatt eryma yalso beimpair edordam‐
ag ed byhea vydisc harging.
% Further information canbeobt ained ata
qu alif ied spec ialistwo rkshop. St
andb ymode (ext ens ion ofthe star terbat‐
te ry 's per iod out ofuse) St
andb ymode function
% This function isno tav ailable forall model s.
If standb ymode isact ivat ed, energyloss willbe
min imis eddur ing ex tende dpe riods ofnon- oper‐
ation.
St andb ymode isch aract erised bythefo llo wing:
R The star terbatt eryis preser ved.
R The maximum non-opera tionaltime appear s
in themedia display.
R The conn ection toonline services isint erru p‐
te d.
R The ATA(anti-t heftal ar m system) isno tav ail‐
able.
R The interior motionsen sor and tow- aw ay
alar mfun ction sar eno tav ailable.
R The function forde tecting collisions ona
pa rked vehicle isno tav ailable. Dr
ivin gand parking16
5

If
th efo llo wing condition sar efulf illed, standb y
mode canbeact ivat ed ordeac tivated usin gth e
multime diasystem:
R The engine isswitc hedoff.
R The ignition isswitc hedon.
Ex ceeding theve hicle's displayednon -oper a‐
tion altime maycause inconvenie nce, i.e.it can‐
no tbe guarant eedth at thest ar terbatt erywil l
re liably star tth eengine.
The star terbatt erymus tbe charge dfirs tin the
fo llo wing situat ions:
R The vehicle's non-oper ational timemustbe
ex tende d.
R The Batte ryCh arg eInsu fficie ntfor Stand by
Mod emes sage appear sin themedia display.
% Standb ymode isaut omat icallydeac tivated
when theignition isswitc hedon.
Ac tiv atin g/deac tivatin gst andb ymode (park‐
ing theve hicl efo ran extended period)
Re quirement s:
R The engin eis switc hedoff. Multime
diasystem:
4 © 5
Set ting s5
Vehicle #
Activateor deacti vate Stand byMod e. #
Select Yes. Dr
ivi ng and drivi ng safetysy stems Dr
iving systems andyour responsibility Yo
ur vehicle iseq uipped withdr iving systems
whic hassis tyo uin drivin g,par kingand man eu‐
ve ring theve hicle. Thedriving systems areonl y
aids. Theyar eno ta subs titutefo ryo ur att entio n
to thesur round ingsand donotre lie ve youof
yo ur responsibili typer tainin gto road traf fic law.
The driver isalw aysre sponsible formaint aining
a saf edis tance totheve hicle infront, forve hicle
speed, forbr aking ingood timeandforst ay ing
in lane. Payatt ention tothetra ffic con dition sat
all tim esand interve ne when nece ssary.Be
aw areof thelimit ations rega rding thesaf euse of
th ese systems.
Dr iving systems canneither reduce therisk of
accident ifyo ufa ilto adap tyo ur drivin gst yle nor
ove rride thelaws ofphysics. Theycan notalw ays ta
ke intoacc ount road, weather ortraf fic condi ‐
tions . In
fo rm ation onvehicl esen sorsand camer as Some
driving anddriving safetysy stems use
camer asaswellas radar orultr asonic sensors
to monit orthear ea infront of,behind ornext to
th eve hicle. 16
6
Driving and parking

If
AT TENTION ASSISTis unable tocal cul ateth e
att ent ion leve land cannotissue awa rning, the
Sys tem Suspend edmes sage appear s.
If awa rning isgiv en intheIns trument Display,
th emultimedia system offers to sear chfora re st
ar ea. Youcan selectare st area and star tna vig a‐
tio nto this rest area. This function can beact iva‐
te dand deactiv ated inthemultimedia system.
If AT TENTION ASSISTis deactiv ated, theÛ
symbol appearsin theassis tance grap hicin the
Ins trument Displaywhen theengine isrunning .
AT TENTION ASSISTis activ ated aut omaticall y
when theengine isre-sta rted. The lastselect ed
sensit ivityleve lre mains stor ed.
Sy stem limit s
AT TENTION ASSISTis activ ein the37 mph
(60 km/ h)to 124mp h(2 00 km/h) speedra ng e.
Pa rticular lyin thefo llo wing situat ions,AT TEN‐
TION ASSISTonl yfunct ionsinare strict ed man‐
ner and warnings maybe dela yedor notocc ur:
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 eSt eer ing Assis tfunc tion ofActiveDis ‐
ta nce AssistDIS TRONI Cis acti ve.
R Ifth etime hasbeen setincor rectly .
R Ifyo uch ang elane sand vary your spee dfre‐
qu ent lyIn activ edr iving situations.
The ATTENTION ASSISTdr ow siness oraler tness
assessment isrese tand restar tedwhen continu‐
ing thejour neyin thefo llo wing situat ions:
R Ifyo uswit choffth eengine.
R Ifyo uunf astenyo ur seat beltandopen the
dr iver's door (e.g.tochang edr iver sor take a
br eak). Se
tting ATTENTI ONASSIST
Multimedia system:
4 © 5
Set ting s5
Assist ance
5 Atten tion Assist
Se tting options #
Select Standard, Sensitive orOff.
Sugg esting are st area #
Select SuggestRes tArea. #
Activateor deacti vate thefunc tion.
If AT TENTION ASSISTde tects fatig ue or
incr easing lack ofatt ention ,it sugg ests a
re st area inthevicin ity. #
Select thesugg estedre st area.
Yo uar eguided totheselect edrest area. Spe
edcont rolcr uise contr ol Fu
nction ofcruise contr ol
Cr uise controlre gulat esthespeed totheva lue
selec tedby thedr iver .
If yo uacc elerat eto ove rtak e, forex am ple, the
st or ed speed isno tdele ted. Ifyo ure mo veyour Dr
ivin gand parking 17
5

fo
ot from theacceler ator pedal afte rove rtakin g,
cr uise control will resume speed regulation back
to thestor ed speed.
Yo ucan stor ean yspeed above15 mp h
(20 km/ h)up tothemaximum designspeed.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 166).
Di spla yson themu ltifunct iondisp lay
R h (gra y): cruise contro lis selec tedbut
no tye tacti vated.
R h (green): cruise control isactiv e.
A stor ed speed appear salong withth eh dis‐
pla y.
% The segment sbe tween thestor ed speed and
th eend ofthesegment displaylight upin
th espeedome ter.
Sy stem limit s
Cr uise control ma ybe unable tomaint ainthe
st or ed speed onuphill gradients. Thestor ed
speed isresumed whenthegr adient evensout. Ch
ang eint oalowe rge ar ingood timeon long
and steep downhill gradients. Take par ticular
no te ofthis when drivin galaden vehicle. By
doing so,youwill mak euse oftheengine' sbr ak‐
ing effect. Thisre lie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y.
Do notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads.
R Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor .
Ope ratin gcr uis eco ntr ol &
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. #
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The vehicle speed isat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. 17
6
Driving and parking

The
driven speed isadjus tedwhen theve hicle is
le ve lwit hth etraf fic sig nat thelat est.In the
case ofsig ns indi cati ngentr yint oan urb anarea ,
th espeed isadap tedaccor dingtothespeed
per mitt edwithin theurban area. The speed limit
displa yin theIns trument Displayis alw aysupda ‐
te dwhen theve hicle isleve lwit hth etra ffic sign .
If th er eis no speed restriction onanunlimited
st re tchof road (e.g.on afree wa y), there com‐
mend edspe edisau tomatical lyadop tedas the
st or ed speed. Thesystem uses thespeed stor ed
on anunlimit edstre tchof road asthere com‐
mend edspe ed. Ifyo udo notalt er thestor ed
speed onanunlimit edstre tchof road, there c‐
omme ndedspeedis80 mph(1 30 km/h) .
If Ac tiveDis tance AssistDIS TRONI Cha sbe en
pu tint opa ssi ve mode bypressing theacceler a‐
to rpeda l,onl yspee dlimi tswhi charehigh er
th an these tspeed areadop ted.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 166). Sy
stem limit s
The system limits ofTraf fic Sign Assistappl yto
th ede tection oftraf fic sig ns (/ page 193).
Spee dlimits below 12mp h(20 km/h) areno t
aut omaticall yadop tedby thesy stem asthe
st or ed speed. Temp oraryspeed restrictions (e.g.
fo ra cer tain tim eor due towe ather condition s)
can notbe proper lyde tected bythesy stem. The
maximum permissible speedapplying toave hi‐
cle withatrailer isno tde tected bythesy stem.
Ad jus tth espeed inthese situation s. &
WARNIN GRisk ofacci dent dueto Active
Spe edLimi tAssi stadap tingth eve hicle's
speed
The speed adoptedby ActiveSpe edLimi t
Assi stma ybe toohigh orincor rect insome
indi vidualcase s,su ch as:
R atspee dlimit sbelo w12 mp h(20 km/h)
R inwe tcond itions orinfog
R when towing atrailer #
Ensur eth at thedr iven speed complies
wit htraf fic re gulations. #
Adjus tth edr iving speed tosuit current
tr af fic and weather condition s. Fu
nction ofrout e-base dspee dadap tation
When ActiveDis tance AssistDIS TRONI Cis acti ‐
va ted, theve hicle speed willbeadap tedaccor d‐
ing lyto thero uteev ent sahead. Dependingon
th edr ive pr og ram sele cted, theve hicle negoti‐
at es aro uteeve ntaheadin an eco nomi cal,com‐
fo rtable ordynam icman ner.When thero ute
eve nthasbe en passe d,theve hicle acceler ates
ag ain tothestor ed speed. Thesetdis tance to
th eve hicle infront, vehicles detected aheadand
spe edrestrictions aheadar eta ke nint oacco unt.
Yo ucan activat eand deac tivatero ute-based
spee dadap tatio nin themultimedia system
(/ page18 3).
The follo wing routeeve nts areta ke nint o
acco unt:
R Curves
R T-int ersect ions,ro und about sand tollst atio ns
R Turnsand exits 18
2
Driving and parking

If
th ede tection oflane mar kings andvehicles
ahead isim pair ed,ActiveSt eer ing Assis t
switc hestopassiv emode. Thesystem prov ides
no suppor tin this case.
St atus displa yof Activ eSte ering Assis tin
th emu ltifunct iondisp lay
R Ø (gra y): act ivat ed and pass ive
R Ø (green ):act ivat ed and active
R Ø (red): system limits detected
R Ø (whit e,redhands): "handsonthesteer‐
ing wheel" prom pt
% During thetransition from activ eto passiv e
st atus ,th eØ symbol issho wnas
enlar gedand flashin g.On ce thesy stem is
passiv e,theØ symbol issho wnasgray in
th emultifunc tiondispla y.
% Dep endingontheselect edvehicle settin gs,
Ac tiveSt eer ing Assis tma ybe una vailable.
Ste ering and touc hde tection
The driver isrequ ired tokeep their hands onthe
st eer ing wheel atall times andbeable tointer‐
ve ne atanytime tocor rect thecour seofthe
ve hicle andkeep itin lane. Thedriver mus t ex
pect ach ang efrom active to passiv emode or
vice versaat anytim e. If
th esy stem detects that thedr iver has not
st eer edtheve hicle fora consider ableper iod of
time orhas remo vedth eir hands from thesteer‐
ing wheel, display1 appear s.Ifth edr iver still
does notst eer theve hicle, awa rning tone
sou nds inad ditio nto thevisual warning mes‐
sag e.
If th edr iver does notre act tothis wa rning fora
consider ableper iod, anemerg encystop isiniti‐
at ed (/ page18 6). Th
ewa rning isno tissued orisstopped whenthe
dr iver giv es con firm atio nto thesy stem:
R The driver steer sth eve hicle.
R Depending onthecount ry:th edr iver
pr esses ast eer ing wheel buttonoroper ates
To uc hCon trol
If Ac tiveSt eer ing Assis tde tects that asy stem
limit hasbeen reac hed, avisual warning is
issued andawa rning tone sou nds.
Obs erve theno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 166).
Sy stem limit s
Ac tiveSt eer ing Assis thas alimit edsteer ing tor‐
qu efo rlat eral gui dance. Insome cases, the
st eer ing interve ntio nis no tsu fficien tto keep the
ve hicle inthelane ortodrive th ro ugh exits.
The system maybe impair edorma yno tfunc tion
in thefo llo wing instances:
R The reispoor visibilit y,e.g. due tosno w,rain,
fo g, hea vyspr ay,gr eatl yva rying ambien t
light orstro ng sha dows onthero ad. Dr
ivin gand parking18
5

If
th esy stem detects that thedr iver has not
st eer edtheve hicle fora consider ableper iod of
time orhas remo vedth eir hands from thesteer‐
ing wheel, display1 appear sin themultifunc ‐
tion displa y.Ifth edr iver still does notst eer the
ve hicle, orgiv es no conf irmation tothesy stem,
a wa rning tone sou nds inad ditio nto thevisual
wa rning mess age.
If th edr iver still does notre spond tothewa rn‐
ing, theBeginn ingEmer gencySt op messag e
appear sin themultifunc tiondispla y.Ifth edr iver
st ill does notre spond, ActiveDis tance Assist
DIS TRONI Creduces thespeed. Thevehicle is
deceler ated instag es toast ands till.
De pen dingon thecount ry,at speeds below
40 mph(60 km/h) thehazar dwa rning light s
switc 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. R
Ifpossible, anemer gency callis place dto
th eMer cedes- Benzemergency callcent er
The driver can cance lth edeceler ationatany
time byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oracceler ating
R Deact ivating ActiveDis tance Assist
DIS TRONI C Ac
tiv eLan eCha ngeAs sist Fu
nction ofActiv eLan eCha ngeAs sist
Ac tiveLa ne Chang eAssi stsuppor tsthedr iver
when chang inglane sby appl ying steer ing torq ue
if th edr iver oper ates atur nsignal indicat or.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 166).
Assi stanc ewhen chang inglane sis prov ided ifall
th efo llo wing condition sar eme t:
R Youar edr ivin gon afree wa yor road with
mult iplelanesin thedir ect ion oftra vel. R
The neigh boring lane issepar ated byabr o‐
ke nlane ma rking.
R Novehicle isde tected intheadjacen tlane.
R The vehicle speed isbe tween 50mph
(80 km/ h)and 110mp h(1 80 km/h).
R ActiveLa ne Chang eAssi stisswitc hedonin
th emultimedia system.
R ActiveSt eer ing Assis tis activ ated and activ e.
If no vehicle isde tected intheadjacen tlane and
a lane chang eis per mitted, thelane chang e
begin saf te rth edr iver has activ ated thetur nsig‐
nal indicat or.This issho wntothedr iver wit ha
gr een arro w ne xt to the± steer ing wheel
symbol. TheLane Change tothe Left messag e,
fo rex am ple, also appear s.IfAc tiveLa ne Chang e
Assi sthas been activated withth etur nsignal
indicat orbut alane chang eis no timm ediat ely
poss ible, agr ay arro w appear sne xt to the±
st eer ing wheel symbol, whichre mains green.
When thelane chang eassis tance star ts,th etur n
signal indicat orisaut omaticall yactiv ated along
wit hth edispla yin themultifunc tiondispla y. Dr
iving and parking 18
7

R
Onbends withatight radius.
% The ActiveBr ak eAssi stsensor sadjus taut o‐
matically whileacer tain dis tance isbe ing
dr iven afte rth eve hicle hasbeen delivered.
Ac tiveBr ak eAssi stisuna vailable oronl y
par tiall yav ailable during thete ac h-in proc‐
ess.
Se tting Activ eBr ak eAs sist
Re quirement s:
R The ignit ionisswitc hedon.
Multime diasystem:
4 © 5
Set ting s5
Assist ance
5 Act ive Brak eAssist #
Select thedesir edsetting.
The setting isretained when thedr ive sy stem
is ne xt star ted.
Deactiv atingActiv eBr ak eAs sist
% Itis recomme ndedthat youalw ayslea ve
Ac tiveBr ak eAssi stact ivat ed. #
Select Off.
The distance warning func tion,th eaut ono‐
mous braking function andtheEv asiv eSt eer‐
ing Assis tar edeactiv ated.
When theve hicle isne xt star ted, themiddle
se tting isaut omaticall yselect ed.
% IfAc tiveBr ak eAssi stisdeact ivat ed, the
00D4 symbol appearsinthest atus barofthe
multifu nctiondisplay. Tr
af fic Sign Assis t Fu
nction ofTraf fic Sign Assis t
Tr af fic Sign Assistdetects traf fic sig ns with the
multifu nctioncamera(/ page16 6). Itas sist s
yo uby displa yingdetected spe edlimits and
ove rtakin gre strictions intheins trument cluster.
Obser vetheno teson driving systems andyour
re sponsibili ty;yo uma yot her wise failto recog‐
nize dangers(/ page 166).
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. The
came raalso detects traf fic sig ns with a
re striction indicated byan addit ionalsign (e.g.
when wet).The seareonly disp laye difare stric‐
tion appliesor ifth esy stem cann otcle arly de ter‐
mine whether there striction applies.
Wa rning when thema xim um permis sible
speed isexceeded
The system can warnyouif yo uunin tentio nally
ex ceed themaximum permissible speed.Todo
th is, youcan spec ifyinthemultimedia system
by howmuc hth emaximum permissible speed
can beexceed edbef oreawa rning isissued. You
can specify whether thewa rning isto be justa
visual warning oran acous ticone aswell. Dr
ivin gand parking19
3