
an aid. The driver isresponsible for
maintaining asuita ble dis tance tothe
ve hicle in front, vehicle speed and for
braking in good time.
#Be prepared tobrak eors werveifn ec‐
essar y.
Alsoo bserve thes ysteml imitations of Active
Brak eAssist. The individua
lsubfunctions ar eavailable in
th ef ollowing speed ranges:
Distance warning function
The dis tance warning function issues awarning
at speeds:
RFr om appr oximatel y4mph (7 km/h), if your
ve hicle is critically close toav ehicle or
pedestrian. An intermittent warning tone sounds and
the· distance warning lamp
lightsupint he instrument clus ter.
Brak eimmediately or take evasiv eaction,p rovi‐
ded it is saf etodosoa ndthet raffic situation
allo wsthis.
Th ed istance warning function can aid youint hefollowing situations wit hanintermit tent wa rning tone and awarningl amp:
Vehicles tr aveling in
front St
ationar yvehicles Crossin gvehicles Crossin gpedestrians Stationar ypedes‐
trians
Ve hicles without Driv‐
ing Assis tance pa ck‐
age up
toappr ox.1 55 mph
(250 km/h) up
toappr ox.50m ph
(80 km/h) no
reaction uptoappr ox.37m ph
(60 km/h) no
reaction
Ve hicles wit hDriving
Assis tance pa ckage up
toappr ox.1 55 mph
(250 km/h) up
toappr ox.62m ph
(100 km/h) up
toappr ox.43m ph
(70 km/h) up
toappr ox.43m ph
(70 km/h) up
toappr ox.43m ph
(70 km/h)
Driving and parking 16
1

Cancelingabrake application of Activ eB rake
Assi st
Yo uc an cancel abrake applic ationofA ctive
Brak eAssistat an ytimeb y:
RDepressing thea ccelera torp edalf ully.
RReleasing theb rake pedal.
Ac tiveB rake Assi stma ycancel theb rake appli‐
cation when one of thef ollowing condition sis
fulfilled:
RYo um aneuver to avoidtheo bstacle.
RThere is no longer arisk of collision.
RAn obs tacle is no longer de tected in front of
yo ur vehicle.
Evasiv eSteering Assis t(onl yvehicles with
Driving Assistan cepac kage )
Evasiv eSteering Assis thas thef ollowing charac‐
te rist ics:
RCan de tect stationar yorcrossing pedes‐
trians.
RCan assis tthe driver wit hadditional steering
assis tance if it de tects aswerving maneuver.
RCa nbea ctivatedbyana bruptsteering mo ve‐
ment during aswerving maneu ver.
RCan assis tduring swervin gand stra ightening
of thev ehicle.
RCan react from aspeedofa pproximately
12 mp h(20 km/h )uptoaspeedofa pprox‐
imatel y43m ph (70 km/h).
RYouc an pr eventthea ssis tance at an ytime
by activel ysteering.
&
WARNING Risk of an accident despite
Evasiv eSteering Assist
Evasiv eSteering Assis tcannot alwaysc learly
identify objects and comple xtraffic situa‐
tions.
In addition,t hesteering suppor tofEvasive
St eering Assis tisgenerallyn otsuff icien tto
av oid acollision.
In suc hcases Evasiv eSteering Assis tcan:
Rgiv eanu nnecessar ywarning or pr ovide
assis tance
Rno tg iveaw arning or no tprovide assis‐
ta nce
#Alw aysp aycareful attention tothet raf‐
fi cs ituation; do no trely on Evasive
St eering Assis talone.
#Be ready tobrak eand take evasive
action if necessar y.
#Preve ntthea ssis tance byactivel ysteer‐
ing in non-critical driving situations.
#Driv eatana ppropriat espeed if pedes‐
trians ar eclose tothep athofy ourvehi‐
cle.
Also obser vethes ysteml imitations of Evasive
St eering Assist.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
RIn sno w,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatlyvarying
light conditions.
RIf th es ensor saredirty ,miste du p, damaged
or co vered.
Driving and parking 16
3

torp edal, onl yspeedl imits which areh igher
th an thes etspeed ar eadop ted.
Pulling thec ruise control le verw ills etthed is‐
pla yeds peed limit as thes peed, pr ovided that:
RAc tiveS peed LimitA ssisthas been activated
in them ultimedia sy stem and
RAc tiveD istan ce Assist DISTRONICh asbeen
acti vated.
If no speed limit is displa yedw hen thel eve ris
operated, thes peed se tbythe driver is adop ted.
Driv eprogram
The DYNA MIC SELECT switc hallows yout o
ch ang ethe driving styleofA ctiveDista nce
Assist DISTRONIC. Depending on whic hdrive
program is selected ,the driving characteristics
can be geared towa rdsf uel econom y,comfor tor
dynami cperform anc e(
→pag e142).
Sy stem limitations
Ve hicles with theD riving Assistance Pack‐
age: ActiveD ista nce Assist DISTRONICi sactive
in the0m ph (0 km/h) to130m ph (2 10km/h)
speed range. The sy
stem ma ybeimpaired or ma ynotfunction
in thef ollowing ins tances, fore xamp le:
RIn snow ,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatly varying
light conditions.
RThe windshield in thea reaoft he camer ais
dirty ,miste du p, damaged or co vered.
RIfth er adar sensors ared irty or co vered.
ROn slipper yroads, braking or accelerating
can cause thed rive wheels tolose t
raction
and thev ehicle could then skid.
RIn parking garage s,tollst ations or on roads
wit hsteep uphill or downhill gradients.
Do no tuse ActiveD ista nce Assist DISTRONICi n
th ese situations.
Tips
Pa yp articula rattention in thef ollowing traf fic
situations. In suc hsituations, brak eifnecessar y.
Ac tiveD ista nce Assist DISTRONICi sthen deacti‐
va ted:
RWhen cornering, entering and exitin gab end.
RWhen no tdrivingint he center of thel ane.
RWhen other vehicles ar echanging lane.
RIfth er ea renar rowv ehicles.
RIfth er ea reobs tacle sand stationar yvehi‐
cles.
RIf th er ea recrossing vehicles, pedestrians,
mo torcyc lists or cyclists.
Displa yofActive Distance Assis tDISTRONIC
in the assistanc egraphic and in thes peed‐
ome ter
1Ve hicle ahead
2Dis tance indica tor
16 8
Driving and pa rking

#Brieflypull thec ruise control le vertow ards
yo u2.
or
#Ac celerat ebrief ly.
Yo ur vehicle pulls away and adapts its speed
to that of thev ehicle in front. If no vehicle is
de tected in front, your vehicle accelerates to
th es etspeed.
Ad opting thes peed limit as thes toreds peed
Re quirements:
RActiveS peed LimitA ssistis activated in the
multimedia sy stem (→pag e196).
RActiveD ista nce Assist DISTRONICi sactiva‐
te d.
RThe sy stem de tects atraffic sign indicating a
speed limit.
#Brief lypull thec ruise control le vertow ards
yo u2.
The displ ayed speed limit is adop tedast he
st ored speed. Your vehicle adapts its speed
to that of thev ehicle in front, but onl yupto
th es tore ds peed. If ActiveS peed LimitA ssist
is activated, an ydetected changes in the
speed limit ar eadop tedbyt he system.
Collision warning
If Ac tiveD ista nce Assist DISTRONICisu nableto
suf ficiently decele rate thev ehicle in order to
pr eve nt it from approach ingthev ehicle in front,
yo uw ill be warned visuall yand acousticall y.An
intermittent warning tone will then sound and
th ed ista nce warning lam pwill light up in the
instrumentc luster.
#Brak eimmediately in order toinc rease the
dis tance from thev ehicle in front.
or
#Ta ke evasiv eaction pr ovided it is saf etodo
so.
Ac tiv eS teering Assist
Fu nction of Activ eS teering Assist
Ac tiv eS teering Assis tisonlya vailable for
ve hicles with theD riving Assistance Pack‐
age.
RAc tiveS teering Assis tisoperational at
speeds up to130m ph (2 10km/h) and helps yo
utos tayint he center of thel ane by
means of moderat esteering inter ventions.
RIt uses thev ehicle in front and thel ane mark‐
ings as areferenc edepen ding on thed rive n
speed.
RAc tiveS teering Assis trequires youast he
driver ,tokeepyour hands on thes teering
wheel at all times so that youa reable to
inter vene at an ytime tocor rect thec ourse of
th ev ehicle and keep it in lane.
RAc tiveS teering Assis tcan be overridden at
an yt imebys teering thev ehicle yourself.
RWhen thes ystemisa ctively steering, the
è symbol is shown in green in them ulti‐
function displa y.
Sy stem limitations of Activ eS teering Assist
Ac tiveS teering Assis thas alimited steering tor‐
qu ef or lateral guidance. In some cases ,the
st eering inter ventio nisn otsuff icien ttok eepthe
ve hicle in thel ane.
If th ed etection of lane markings and vehicles
ahead is impaired, ActiveS teering Assist
switches topassiv emode. The sy stem pr ovides
no suppor tinthis case. During thet ransition
17 2
Driving and pa rking

fromthea ctiv etop assivestatus ,the è sym‐
bol is shown as enlar geda nd flashes yello w.
Once thes ystemisp assivethe è symbol is
shown as gr ayinthem ultifunction displa y.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing ins tances:
RIfth er eisp oor visibility ,e.g. due toinsuf fi‐
cient illumination of ther oad, or due tosno w,
ra in, fogorh eavy spr ay.
RIfth er eisg lare, e.g. from oncoming traf fic,
dire ct sunlight or reflection from other vehi‐
cles (e.g. if thec arriag ew ay iswe t).
RIfth ew indshield is dirty ,miste du p, damaged
or co vered, fori ns tance byasticker,in the
vicinity of thec amera.
RIf no, or se veral, unclear lane markings are
presentf or one lane, e.g. in aconstruction
area.
RIf th el ane marking sarewo rnaw ay,d arko r
co veredu p, e.g. bydirtors now.
RThe dis tance tothev ehicle in front is too
small and thel ane marking sthus canno tbe
de tected.
RIfth el ane marking schang equickl y,e.g.
lanes branc hoff,c ross one ano ther or
mer ge.
RThe car riag ewa yisn arro wa nd winding.
RIfth er ea rehighly variable shade conditions
on thec arriag ewa y.
RIfth er ea reobs tacle ssuchaso bject mar kers
on thel ane or projecting out int othe lane.
The sy stem does no tprovide assi
s tance in the
fo llowing conditions:
ROn very shar pbends.
RWhen towing atrailer.
RIfyo ua ctivel ychang elane without switch ing
on thet urns ignal indicator.
RIfyo us witch onthet urns ignal indicator and
th ec onditions fora ctivating ActiveL ane
Chang eAssistaren otfulfilled.
Ac tivatin gActive Ste ering Assist
Requ irements:
RESP®mustbea ctivated, but no tinter vening.
RAc tiveD ista nce Assist DISTRONICisa ctiva‐
te d.
#If indicator lamp 1is off: press button 2.
Fu nction of Activ eL aneC hang eAssis t
Ac tiveS teering Assis tisonlyana id.Youa re
re sponsible fort he dis tance tothev ehicle in
front, forv ehicle speed, forb raking in good time
and fors tayi ng in your lane .Befor echanging
Driving and parking 17
3

Settingthev ehicle le vel
&
WARNING Risk of accident because
ve hicle le velist oo high
If yo ud rive atah igher vehicle le vel,th ed riv‐
ing characteristic smaybe impaired due to
th eh igher vehicle center of gr avity.
The vehicle can drif toutwards, fore xamp le,
when steering or cornering.
#Alw aysc hoose avehicle le velw hic his
suited tothed riving stylea nd ther oad
sur face conditions.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Whe nlowe ring thev ehicle, people could
become trapped if their limbs ar ebetwe en
th ev ehicle body and thet ires or underneath
th ev ehicle.
#Mak esurenoo ne is underneat hthe
ve hicle or in thei mmediat evicinit yof
th ew heel ar ches when youl owe rthe
ve hicle.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AI RBODYC ONT ROLo r
le ve lc ontrol sy stem: When youu nload lug‐
ga ge or lea vethev ehicle, thev ehicle firs t
ri ses slightly and then returns tothes etleve l
shortl yafter wa rds.
Yo uora nyone else in thev icinit yoft he
whee larches or theu nderbody could thus
become trapped.
The vehicle can also be lo wereda fter being
loc ked.
#When leaving thev ehicle, mak esure
th at nobody is in thev icinit yoft he
whee larches or theu nderbody.
RequirementsRThe vehicle has been star ted.
RThe vehicle mus tnotbe moving fasterthan
37 mph(60 km/h). Ra
ising thev ehicle
#Press but ton1.
Indicato rlamp 2lights up.
The vehicle is se ttothe high le vel.
Yo ur selection issave d.
17 8
Driving and pa rking

Vehicles wit hActiv eParking Assis twithout a360°
Camera
Ve hicles wit hActiv eParking Assis tand a360°
Camera
Sy stem limitations
Pa rking Assis tPARKTRONIC does no tneces sa‐
ri ly tak eintoa ccount thef ollowing obs tacles:
RObs tacle sb elow thed etection range, e.g.
pe rsons, animals or objects.
RObs tacle sabove thed etection range, e.g.
ov erhanging loads, overhang sorl oading
ra mp soft ruck s.
The sensor smustbef reeofd irt, ice and slush.
Otherwise, they ma ynotfunction cor rectly.
Cleant he sensor sregularly ,tak ing car enotto
scratc hordamagethem.
Fu nction of thep assiv es ide impact pr otec‐
tion
Pa ssiv eside impact pr otection is an additional
Pa rking Assis tPARKTRONIC functio nwhich
wa rnst he driver about obs tacle satt he side of
th ev ehicle. Awarning is issued when obs tacles
ar ed etected between thef ront and rear de tec‐
tion range. In orde rfor an objec ttobedetected,
th es ensor sinthe front and rear bumper must
de tect theo bjec twhile youa redrivin gpastit. During
thep arking procedur eormaneuvering,
objects ar edetected as thev ehicle drives past.
If yo us teer in thed irection of adetected obs ta‐
cle and ther eisar isk ofalateral collision, a
wa rning is issued. The lateral segment slight up
orang eorred, depending on thed ista nce tothe
obs tacle.
Segment co lo
rd e
pendin gondistance
Colo rL ateral distance in
cm
Re dA pprox.<3 0
Orang eA pprox.30-6 0
In order forl ateral front or rear segment stobe
displa yed, thev ehicle mus tfirst trave lad ista nce
of at leas thalfoft hevehicle length. Once the
ve hicle has tr aveled thel engt hoft hevehicle, all
of thel ateral front and rear segment scan be dis‐
pla yed.
18 0
Driving and pa rking

Reversing camera
Fu nction of ther ear vi ewcamera
When youe ngager eve rseg ear ,the imag efrom
re ar vie wcamera 1is shown in them ultimedia
sy stem. Dynamic guide lines sho wthe pat hthe
ve hicle will take wit hthe steering wheel in its
cur rent position. Thi shelps youtoo rientate yo
urself and toavo id obs tacle sw henb acking
up.
Ther ear vie wcamer aiso nlyan aid. It is no ta
substitut efor your attentio ntothe sur roundings.
The responsibility fors afem aneu vering and
pa rking remains wit hyou. Mak esuret hat there
ar enop ersons, animals or objects in them aneu‐
ve ring area whil emaneu vering and pa rking in
parkin gspaces.
Yo uc an select from thef ollowing vie ws:
RNo rmal view
RWide-angle view
RTrailer view
The area behindt hevehicle is displa yedasa
mir rorimage, as in thei nside rearvie wmirro r.
Sy stem limitations
The rear vie wcamer awill no tfunction or will
only pa rtially function in thef ollowing situations:
RIfth et runk lid or tailgat eiso pen.
RThereish eavyrain, sno worfog.
RThe light conditions ar epoor ,e.g. at night.
RThe camer alens is obstructed, dirty or mis‐
te du p. Obser vethen otes on cleaning the
re ar camer a(
→page329).
RThe camer aorrear of your vehicle is dam‐
aged. In this case, ha vethec amer aand its
position and setting checkeda taq
ualified
specialis tworks hop.
The field of vision and other functions of ther ear
vie wc amer ama
y be restricted duetoa dditional
accessori es onther ear of thev ehicle (e.g.
license plat ebrack et or bicycle rack ).
% The displa ycontras tmaybe impaired due to
incident sunligh torother light sources. In
th is case, pa yparticular attention.
% Ifth ed ispla yoperation is considerably
impaired due topixel er rors,for example,
ha ve thed ispla yrepaired or replaced.
Ve hicles without Activ eP arking Assist
The following camera vie wsarea vailable in the
multimedia sy stem:
Driving and parking 18
3