Sy
stem limita tions
Te mp orar yspeed restrictions (e.g.fo ra cer tain
tim eor due towe ather condition s)can notbe
pr oper lyde tected bythesy stem. Themaximum
per missible speedapplying fora ve hicle witha
tr ailer isno tde tected bythesy stem. Inthese sit‐
uations youmus tadj ustyo ur spee dyo urself . &
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 Inthewe tor infog
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 %
The availabilit yof thefo llo wing function is
coun try- dependen t.
When Distance AssistDIS TRONI Cis acti ve,th e
function adjuststh espeed depending onthe
ro uteeve nts ahead. Dep endingonthedr ive pr o‐
gr am select ed,theve hicle negotiatesthero ute
eve ntaheadin afue l-saving, com fortable or
dynam icman ner.When thero uteev ent has been
passed, theve hicle acceler ates again tothe
st or ed speed. Thesetdis tan cetotheve hicle in
fr ont, vehicles detected aheadand speedrestric‐
tions aheadar eta ke nint oacco unt.
Ro ute-based speedadj ustm entcan byconf ig‐
ur ed inthemultimedia system (→pag e208).
Ro uteeve nts aheadar e:
R Bend s
R T-int ersect ions,traf fic cir cle sand tollst a‐
tio ns
R Turnsand exits
% When theto llst atio nis reac hed, ActiveDis ‐
ta nce AssistDIS TRONI Cad op tsthespeed as
th estor ed speed. Also,
thespeed isreduced ifth etur nsignal to
ch ang elane sis swit ched on and one ofthefo l‐
lo wing situat ionsisde tected:
R Turning offat intersect ions
R Drivin gon slowing- down lanes
R Drivin gon lanes adjacenttoslo wing-do wn
lanes
The driver isresponsible forch oosing theright
speed andobser vingother road user s.This
applies inpar ticular tointersect ions,traf fic cir‐
cle sand traf fic lights, asroute-based speed
adap tatio ndo es notbr ak eth eve hicle toast and‐
st ill.
When routeguidan ceisact ive, thefirs tsp ee d
ad jus tment iscar ried out automatic ally.If th e
tur nsigna lind icatoris swi tched on,theselect ed
ro uteis co nfirmed andfurther speed adjustment
is activ ated.
Speed adjustmentis canc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedoff
bef oreth ero uteeve nt. Dr
iving and parking 20
7
If
th esy stem reac hes asy stem limit ation orthe
dr iver has notst eer edtheve hicle fora consider‐
abl eper iod oftime orhas remo vedth eir hands
fr om thesteer ing wheel, thesy stem will,
depending onthesituation ,fi rs tal er tth edr iver
wit havisual warning. Disp lay 1 appear sin the
multifu nctiondisplay. Ifth edr iver still does not
st eer theve hicle, orhas still no tta ke nhol dof
th esteer ing wheel, are peat edwarning tone
sou nds inad ditio nto thevisual warning mes‐
sag eto remind thedr iver totake contr olof the
ve hicle.
The warning mess agedoes notappear ordisap‐
pear sif one ofthefo llo wing condition sar eme t:
R The driver steer sth eve hicle. R
The driver presses ast eer ing wheel buttonor
oper ates Touc hCon trol.
Ac tiveSt eer ing Assis tis onl yan aid. Thedriver is
re sponsible forth edis tance totheve hicle in
fr ont, forve hicle speed, forbr aking ingood time
and forst ay ing inlane. Beforech ang inglane s,
th edr iver mus tmak esur eth at theneighbor ing
lane isfree (glance over theshoulder).
Sy stem limita tions
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.
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. During thetra nsit ion
fr om theactiv eto passiv est atus ,th eè sym‐
bol issho wnasenlar gedand flashes yello w.
Once thesy stem ispassiv eth eè symbol is
gr ay ed out inthemultifunc tiondispla y. The
system maybe impair edorma yno tfunc tion
in thefo llo wing instances:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, dir ect sunlight ,gr ea tly varying ambien t
light ,re flect ions orstro ng sha dows onthe
ro adw ay.
R Insuf ficie ntroad illumin ation.
R The wind shieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Absence oflane markings, orseveralunc lear
lane markings, orifth emar king sch ang era p‐
idl y.
R The distance totheve hicle infront istoo
small andthelane marking sth us can notbe
de tected.
R The road isnar row and windin g.
R Obs tacle son thelane orprojec ting outinto
th elane.
The system does notpr ov ide assis tance inthe
fo llo wing condition s:
R Ontigh tbends ,traf fic cir cle sand whentur n‐
ing. Dr
iving and parking 209
If
no vehicle isde tected intheadjacen tlane and
a lane chang eis per mitted, thesteer ing wheel
symbol andthear row aresho wningreen 2.
The LaneChan getotheLef tmes sageappear s,
fo rex am ple. IfAc tiveLa ne Chang eAssi sthas
been activated withth etur nsignal indicat orbut
a lane chang eis no timm ediat elyposs ible, the
st eer ing wheel symbol remains green and the
ar row appear sgr ay 1 .Whe nth elane chang e
suppo rtstar ts,th etur nsignal indicat orisaut o‐
maticall yactiv ated.
If alane chang eis no tposs ible, thear row fades
out afte ra fe w sec ond sand ane wlane chang e
mus tbe init iated. Animm ediat 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. &
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. #
Beforech ang inglane s,mak esur eth at
th eneighbor inglane isfree and ther eis
no dang ertoother road user s. #
Mon itor thelane chang e. &
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 . #
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 e208).
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. Dr
iving andparking 21
1
Ac
tiv atin g/deac tivatin gAc tiv eLan eCha nge
As sist
Multimedia system:
, Vehicle .
k Assist ance #
Select LaneChange Assist. #
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 R
Ifpossib le,an emer 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 Pressing ast eer ing wheel button
R Oper ating Touc hCon trol
R Activati ng ordeacti vating ActiveDis tance
Assi stDIS TRONI C Ov
erview ofActiv eDi stance Assist
DI ST RO NIC displa ysintheins trum ent clus‐
te r The
assis tance grap hicand thest atus displa y
sho wthest atus ofthefo llo wing functionsin the
ins trumen tclus ter:
R ActiveDis tance AssistDIS TRONI C
R Route-based speedadap tatio n
R ActiveSt eer ing Assis t Assis
tantdispla y 1
Route-based speedadap tatio n(ty pe ofroute
eve nt)
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 Own vehicle 21
2
Driving and parking
Ac
tiv eDi stance AssistDI ST RO NIC status dis‐
pla yand route-base dspee dadap tation 1
ActiveDis tance AssistDIS TRONI Csel ect ed,
se tsp eci fied distance (numbe rof seg ments
be low theve hicle)
2 ActiveDis tance AssistDIS TRONI Cde acti va‐
te d, speed stor ed 3
ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, novehicle detected (brigh t
ve hicle symbol)
4 ActiveDis tance AssistDIS TRONI Cacti ve,
speed stor ed, vehicle detected (green vehi‐
cle symbol)
5 ActiveDis tance AssistDIS TRONI Cand route-
based speedadap tatio nacti ve,speed stor ed
% Onhighw aysor high-speed major roads, the
gr een ç vehicle symbol isdispla yedcy cli‐
cally when theve hicle isready topull away.
Speedome ter
The stor ed speed ishighlight edon thespeedom‐
et er.If th espeed oftheve hicle infront orthe
speed adjustment isless than thestor ed speed
due tothero uteeve ntahead, thesegment sin
th espeedome terlig ht up. Activati on ordeacti va‐
tio nof ActiveDis tance AssistDIS TRONI C,as
we llas alteration sto thespeed duetomanua lor
au tomatic adoptionofthespeed limit,aredis‐
pla yedin thecon trol feedbac kof themultifunc ‐
tion displa yon asing leline. Ac
tiv eSte ering Assis tst atus displa y 1
Gray steer ing wheel: ActiveSt eer ing Assis t
switc hedonand passiv e
2 Green steer ing wheel: ActiveSt eer ing Assis t
switc hedonand activ e
3 Flashing steer ing wheel: prom pttothedr iver
to act ivel ycon firm ortransition from activ e
to passiv est atus ,sy stem limit ation detected
Dur ing thetransition from theactiv eto passiv e
st atus ,symbo l3 issho wnasenl arge dand
fl ashes yello w. Once thesy stem ispassiv e,sym‐
bol 1issho wnasgray inthemultifunc tiondis‐
pla y. Dr
iving and parking 21
3
#
Mak esur eno one isunder neathth e
ve hicle orintheimmediat evicinit yof
th ewheel arch es when youlowe rth e
ve hicle. &
WARNIN GRisk ofentr apment from vehi‐
cle lowe ring
Ve hicl eswith AIRMA TICorleve lcontr ol:
When youunlo adlugg ageor lea vetheve hi‐
cle, theve hicle firs trises slightly andthen
re tur ns tothese tle ve lshor tly af te rw ards.
Yo uor anyone else inthevicinit yof the
wheel arch es ortheunderbody couldthus
bec ome trapped.
The vehicle canalso belowe redaf te rbeing
loc ked. #
When leaving theve hicle, makesur e
th at nobody isin thevicinit yof the
wheel arch es ortheunderbody . Re
quirement s:
R The vehicle hasbeen star ted. R
The vehicle mustno tbe mo ving faster than
50 mph(8 0km/h).
Ra ising theve hicl e #
Press butt on1.
Indica torlam p2 lights up.
The vehicle issetto thehigh leve l.
Yo ur sele ction issave d. The
vehicle islowe redag ain inthefo llo wing sit‐
uation s:
R When drivin gfa ster than 75 mph
(1 20 km/ h).
R When driving between 50mph(80 km/h)
and 75mph(120 km/h) forapp roxima tely
th re eminut es.
R Aftersele cting adr ive pr ogr am using the
DY NA MIC SELE CTswitc h.
The vehicle isadjus tedto theheight ofthelas t
activ edr ive pr og ram.
Lo we ring theve hicl e #
Press butt on1.
Indica torlam p2 goes out.Thevehicle is
adjus tedto theheight ofthelas tactiv edr ive
pr ogr am. MA
GIC BODY CONT ROL MA
GIC BODY CONT ROLfun ction
MA GIC BODY CONTR OLisan electr ohydr aulic
suspe nsion withva riable dampingfo rim prove d
dr iving comfort.The all-round leve lcon trol sys‐ Dr
ivin gand parking 217
Cr
osswind Assist
The crosswi ndstabiliz ation:
R Operat esby chang ingwheel loadsthro ugh
adj ustin gth eABC spring stru ts.
R Reduces disruption swhen driving stra ight
ahead.
R Suppor tscoun terste er ing.
R Isactiv ein thespeed rang ebe twee n50 mph
(80 km/ h)and 130mp h(210 km/h) when
dr ivi ng stra ight ahead orcor ner ing gently .
Fu nction ofRO AD SUR FACE SCAN
% This function isno tav ailable inall coun tries. RO
AD SUR FACE SCAN :
R Mon itor sth ero ad infron tof theve hicle
using multifunction camera1.
R Isactiv ewhen oneofdrive pr ogr ams A
(Comf ort)or N (CURVE)isselect ed.
R Detects une venness inthero ad sur face, e.g.
bu mp s,bef oreth eve hicle drives ove rth em.
R Reduces chassis movements. Sy
stem limita tions
RO AD SUR FACE SCAN can beimpair edinthe
fo llo wing situat ionsorcan stop funct ioning:
R Ifth ero adw ayisinsuf ficie ntlylit, e.g. at
nigh t.
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringreat lyvarying
ambien tlight .
R Ifth ewindshield inthear ea ofmultifunc tion
camer a1 isdir ty,fo gg ed up, damag edor
co vered.
R Ifth ero ad sur face hasno optic stru ctur eor
re flect slight.
R Ifth edis tance totheve hicle infront istoo
shor t.
R Ifsections ofthero uteha ve ave ry small
ra dius ofcur vatur e.
R Dur ing dynam icdrivi ng ma neu ver,e.g. ifyo u
acc elerat eor brak eth eve hicle sharply.
R Atspeeds below5mp h(7 km/h) orabo ve
11 2mp h(1 80 km/h) .
R Ifth eve hicle isat ara ised leve lor indrive
pr og ram C (Sport). 220
Driving andparking
Obser
vetheno teson cleaning themultifunc tion
camer a(→ pag e409).
Se tting theve hicl eleve l &
WARNIN GRisk ofacci dent because
ve hicle leve lis toohigh
If yo udr ive at ahigh ervehicle leve l,th edr iv‐
ing charact eristic sma ybe impair eddue to
th ehigher vehicle centerofgrav ity .
The vehicle candrift outw ards, forex am ple,
when steer ing orcor ner ing. #
Alw aysch oose ave hicle leve lwhic his
suit edtothedr iving style and thero ad
sur face condi tions. &
WARNIN GRisk ofentr apment from vehi‐
cle lowe ring
Whe nlowe ring theve hicle, people could
become trapped ifth eir limbs arebe tween
th eve hicle body andthetir es orunder neath
th eve hicle. #
Mak esur eno one isunder neathth e
ve hicle orintheimmediat evicinit yof th
ewheel arch es when youlowe rth e
ve hicle. &
WARNIN GRisk ofentr apment from vehi‐
cle lowe ring
Ve hicl eswith AIRBO DY CONT ROLor
le ve lcontr olsystem: When youunlo adlug‐
ga ge orlea vetheve hicle, theve hicle firs t
ri ses slightly andthen retur ns tothese tle ve l
shor tly af te rw ards.
Yo uor anyone else inthevicinit yof the
wheel arch es ortheunderbody couldthus
bec ome trapped.
The vehicle canalso belowe redaf te rbeing
loc ked. #
When leaving theve hicle, makesur e
th at nobody isin thevicinit yof the
wheel arch es ortheunderbody . Re
quirement s:
R The vehicle hasbeen star ted.
R The vehicle mustno tbe mo ving faster than
75 mph(120 km/h) . R
Onl ylo we rthe vehicl e:when theve hicle is
st atio nary,all thedoor sha ve tobe closed.
Ra ising theve hicl e #
Press butt on1.
Indica torlam p2 lights up.
The vehicle issetto thehigh leve l.
Yo ur sele ction issave d. Dr
iving andparking 22
1