
1Sensordetection range
If se veralc onsecutiv ekickin gmovements are
no ts uccessful, waitte ns econds.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
if:
RSno word irt, e.g. from road salt,c oversthe
sensor area.
RThe kicking mo vement is made using apros‐
th etic leg. The trunk lid could be opened or closed unin
ten‐
tional ly,int hefollowing situations:
RIf ap erson's arms or legs ar emovingint he
sensor de tection range, e.g .whenp olishing
th ev ehicle, sitting on thee dgeoft he trunk,
or picking up objects.
RIf objects ar emovedorp laced behind the
ve hicle, e.g. chargingc ables,tensioning
st ra ps or luggage.
RWhen working on thet railer coupling, trailers
or rear bicycle rack s.
Deactivat eKEYLESS-GO (
→pag e58) or do not
car rytheS martK eyabout your person insuch
situations.
Switch ing separat etrunk locking on or off
Ifyo uc entrall yunlo ckthev ehicle while separate
locking is activated, thet runk remains loc ked.
#To switc hon:slide thes witc htop osition
1.
#To switc hoff:slide thes witc htop osition
2.
% If an accidenth as been detected, thet runk
unloc kseve nifs eparat eloc kin giss witched
on.
70 Opening and closing

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

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

3Topv ieww ithi mages from thes ide cameras
in theo utside mir rors
4Wi de-angle vie w,rear
5To pv ieww ithi mag efromt herear vie wcam‐
era
6To pv ieww itht railer vie w(if trailer hitc his
fi tted) To
pv iew
1Lane indicating ther out ethe vehicle will
ta ke wit hthe steering wheel in its cur rent
position
2Ye llo ww arning displa yofParking Assist
PA RKTRONIC: obstacles at adista nce of
appr oximatel y3.3ft(1.0 m) or less
3Yo ur vehicle from abo ve
If th ed ista nce totheo bjec tlessens, thec olor of
th ew arning displa ychanges 2.Fromad is‐
ta nce of appr oximatel y2.0ft(0.6 m) thew arn‐
ing displa yisshown in orange. From adista nce
of appr oximatel y1.0ft(0.3 m) thew arning dis‐
pla yiss hown in red. When
Parking Assis tPARKTRONIC is operational
an dnoo bjectisd etected, thes egment softhe
wa rning displa yareshown in gray .
% Ifth ee ntir esystemf ails, thes egments of
th ew arning displa yareshown in red. The
indicator lam ponthePARKTRONI Cbutton
lightsupa ndtheé symbol appear sin
th em ultifunction displa y.
If th es ystemf ails at ther ear ,the displa yof
th es egment schanges as follo ws :
RThe rear segment sareshown in red
when backin gup.
RThe rear segment sarehiddenw hen driv‐
ing forw ards.
If Pa rking Assis tPARKTRONIC is deactivated,
th ew arning displa yfades out.
18 6
Driving and pa rking

RYouh avea dop tedas porty driving stylew ith
high cornering speeds or high ratesofa ccel‐
eration.
RESP®is deactivated.
RWhen driving wit hatrailer, thee lectrical con‐
nection tothet railer has been cor rectly
es tablished.
RIfal oss of tir epressur eorad efectivetire
has been de tected and displ ayed.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
RIfth er eisp oor visibility ,e.g. due toinsuf fi‐
cient illumination of ther oad, highly variable
shade conditions, or due torain, sno w,fogo r
heavy spr ay.
RTher eisg lare, e.g. from oncoming traf fic, the
sun or reflections.
RIf th er eisd irtont he windshield in thev icin‐
ity of them ultifunction camer aorthe camera
is mis tedu p, damaged or obscured.
RNo or se veral, unclear lane markings are
presentf or one lane, e.g. near roadwor ks.
RThe lane markings ar eworn, dar korcovered.
RThe dis tance tothev ehicle in front is too
small and thel ane marking sthus canno tbe
de tected.
RThe lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
RThe car riag ew ay isvery nar row and winding.
Ve hicles with DrivingA ssistancepacka ge or
Driving Assistance Plus pa ckage: ActiveL ane
Ke eping Assis tuses radar sensor stomonitor
se verala reas around thev ehicle. If ther adar
sen
sors inther ear bumper ar edirty or co vered
wit hs now, thes ystemm aybe impaired or may
no tfunction .Ifano bstacle in thel ane in which
yo ua redrivin ghas been detected, no lane-cor‐
re cting brak eappli cation occurs .
Ac tivatin gActive Lan eKeeping Assist
&
WARNING Risk of accident despite
Ac tiveL aneK eeping Assis twarning
Al ane-cor recting brak eappli cation cannot
al wa ys bring thev ehicle bac kintot he origi‐
nal lane.
#Alw ayss teer,b rake or accelera teyour‐
self,e speciall yifActiveLaneK eeping
Assis twarns youorm akesalane-cor‐
re cting brak eappli cation.
&
WARNING Risk of accident despite inter‐
ve ntio nofA ctiveLaneK eeping Assist
Ac tiveL aneK eeping Assis tdoes no tdetect
traf ficc onditions or road users. In very rare
cases, thes ystem ma ymakeani nappropri‐
at eb rake application, e.g. af teri ntentional ly
driving overas olidl ane marking.
The brak eapplication can be inter rupte dat
an yt ime if yous teer slightl yinthe opposite
direction.
#Alw aysm akes uret hat ther eiss uffi‐
cient dist ancetot he side foro ther traf‐
fi coro bstacles.
&
WARNING Risk of accident despite Lane
Ke eping Assist
Lane Keeping Assis tcann otalw aysc learly
de tect lane markings.
Driving and park ing201

%Vehicles with automatic transmission: if
th ea utomatic transmission cannot be shif‐
te dtop osition i,ort he multifunction dis‐
pla yint he instrument clus terd oes no tshow
anything, ha vethev ehicle transpor ted
aw ay(
→pag e348). Atow ing vehicle wit hlift‐
ing equipment is requiredforv ehicle trans‐
por tation.
* NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces
The driv etra in could be damaged when tow‐
ing at excessively high speeds or over long
dis tances.
#At ow ing speed of 30 mph(50 km/h)
mus tnotbe exc eeded.
#Atow ing dis tance of 30 miles (50 km)
mus tnotbe exc eeded.
&
WARNING Risk of accident whe ntow ing
av ehicle whic histoo heavy
If th ev ehicle being tow- star tedort owed
aw ay is heavier than thep ermissible gross
mass of your vehicle, thef ollowing situations
can occur:
RThe towing eyem aybecome de tach ed.
RThe vehicle/trailer combination may
swer veoreve noverturn.
#If ano ther vehicle is tow- star tedo r
to we da way,its weight mus tnotexc eed
th ep ermissible gross mass of your ow n
ve hicle.
Ifav ehicle mus tbetow-sta rted or towe da way,
its weight mus tnotexc eed thep ermissible gross
mass of thet ow ing vehicle.
#Information on thep ermissible gross mass of
th ev ehicle can be found on thev ehicle iden‐
tification plate.
#Ve hicles with automatic transmission: do
no to pen thed rive r's door or front passenger
door ,otherwise thea utomatic transmission
automaticall yshifts toposition j.
#Installth et ow ing eye(→pag e350).
#Attach thet ow bar.
* NO
TEDama gedue toincor rect connec‐
tion
#Onl yconnect thet ow ro pe or towb arto
th et ow ing eyes.
#Deactivat ethe automatic locking mechanism
(→pag e64).
#Do no tactivat ethe HOLD function.
#Deactivat eActiv eBrake Assi st(→pag e164).
#Ve hicles with automatic transmission:
shif tthe automatic transmission toposition
i.
#Re lease thee lectric parking brake.
Breakdown assis tance 34
7

&WARNING Risk of accident duetol imi‐
te ds afet y-re lated function sduring the
to wing process
Saf ety-re lated function sarelimited or no lon‐
ge ra vailable in thef ollowing situations:
Rthei gnition is switched off.
Rtheb rake system or po wersteering sys‐
te mism alfunctioning.
Rthee nergy supply or theo n-boar delectri‐
cal sy stem is malfunctioning.
When your vehicle is then towe da way,signif‐
icantly mor eeffor tm aybe requ ired tosteer
and brak ethan is normall yrequired.
#Use atow bar.
#Mak esuret hat thes teering wheel can
mo vefreely ,befor etow ing thev ehicle
aw ay.
* NO
TEDama gedue toexcessiv etracti ve
po we r
Ifyo up ullaway sharpl y,thet ractiv epowe r
ma ybet oo high and thev ehicles could be
damaged.
#Pull away slowl yand smoo thly.
Loading the vehicl efor transport
#Obser vethen otes on towing away
(→pag e346).
#Connec tthe towb arto thet ow ing eyet o
load thev ehicle.
#Vehicles with automatic transmission:
Shif tthe automatic transmission toposition
i.
% Ve
hicles with automatic transmission:
The au tomatic transmission ma ybelocked
in position jinthee vent of damage tothe
electrical sy stem. Toshif ttoi,p rovide the
on-boar delectrical sy stem wit hpowe r
(
→pag e342).
#Load thev ehicle ont othe transpor ter.
#Ve hicles with automatic transmission:
Shif tthe automatic transmission toposition
j.
#Use thee lectric parking brak etosecurethe
ve hicle and pr event it from rolling away.
#Onl ysecur ethe vehicle bythew heels.
Ve hicles with AD SPLUS(Ad aptiv eDamping
Sy stem PLUS)
&
WARNING Risk of an accident when
transporting vehicles wit hAdaptive
Damping Sy stem PLUS
The reduced damping forc es on thev ehicle
being transpor tedc an cause thev ehicle/
trailer combinatio ntostart to swing.
As aresult, when transporting vehicles with
th eA daptiv eDampingS ystemP LUS,the
ve hicle/trailer combination ma ystart to skid.
Consequentl y,yo uc ould lose cont rolofy our
ve hicle.
#When transporting, ensur ethat:
34 8
Breakdown assis tance

1,2, 3. ..
12 Vs ocket
see Soc ket(12 V)
11 5Vs ocket
see Soc ket(11 5V )
360° Camera ........................................... 185
Assigning as afavo rite ......................... 188
Car e................................................... .329
Fu nctio n.............................................. 185
Selecting aview. .................................. 188
A
A/C function Activating/deactivating (control
panel ).................................................. 128
Ac tivating/deactivating (multimedia
sy stem) ................................................ 128
ABS (Anti-loc kBrake System) ................ 158
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .291
Setting ................................................. 290 Ac
oustic locking verification signal
Ac tivating/deactivating ......................... 58
Ac tiv eB lind Spo tAssis t.......................... 197
Ac tivating/deactivating .......................1 99
Brak eapplication ................................. 198
Fu nctio n.............................................. 197
Sy stem limitations .............................. .197
To wing atrailer .................................... 198
Ac tiv eB rake Assi st
Fu nction/no tes. .................................. 160
Setting ................................................. 164
Ac tiv eD ista nce Assis tDISTR ON IC ........ 166
Ac tiveE mergency Stop Assis t.............. 174
Ac tiveL aneC hangeA ssist ................... 173
Callin gupas peed............................... 169
Fu nctio n.............................................. 166
Increasing/decreasing speed ..............1 69
Re quirements ...................................... 169
St eering wheel buttons ........................ 169
St oring aspeed ......... ..........................
169
Sw
itching off/deacti vating .................. 169
Switching on/activating ...................... 169
Sy stem limitations .............................. .166
Ac tiv eE me rgency Stop Assist ................ 174 Ac
tiv eh ood( pedestrian pr otection) ...... 320
Me thod of operation ............................3 20
Re setting. ............................................ 320
Ac tiv eL aneC hang eAssis t
Fu nctio n............................................... 173
Ac tiv eL aneK eeping Assist ....................199
Fu nctio n.............................................. 199
Sensitivity (function/no tes) ................. 202
Settingt he sensitivity .......................... 202
Switching on/of f................................. 201
Sy stem limitations .............................. .199
Ac tiv eP arking Assist .............................. 188
Cross Traf ficA lert. ............................... 193
Driv eAwayA ssist ................................ 192
Exiting aparkin gspace ........................ 191
Fu nctio n.............................................. 188
Pa rking ................................................ 189
Sy stem limitations .............................. .188
Ac tiv eS peed Limit Assi st....................... 196
Setting ................................................. 196
Ac tiv eS teering Assist ............................ .172
Ac tivating/deactivating .......................1 73
Ac tiveE merg ency
Stop Assis t.............. 174
Ac ti
v eL aneC hangeA ssist ................... 173
458
Index