
&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
avo idac ollision.
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 ystemb order sofE vasive
St eering Assist.
Sy stem borders
Ac tiveB rake Assi stma ybei mpaire dorm aynot
function in thef ollowing situations:
RIn sno w,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatly varying
ambientl ight.
RIfth es ensor saredirty ,fogged up, damaged
or co vered.
RIfth es ensor smalfunction due to otherradar
source inter fere nce, fore xamp lestro ngradar
re flections in parking garage s.
RIfal oss of tir epressur eorad efectivetire
has been de tected and displ ayed.
The sy stem ma ynotreact cor rectly:
RIn complex traffics tations wher eobjects
canno talway sbec learly identified.
RTopedestrians or vehicles if they mo ve
qu ickl yintot he sensor de tection range.
RTo pedestrians who ar ehidden by other
objects.
RIf th et ypical outline of apedestrian cannot
be distinguished from theb ackg round.
RIfap edestrian isno trecognized as such, e.g.
due tospecial clo thing or other objects.
RIn ne wvehicles or af teras ervice has been
car ried out on ActiveB rake Assi st.
ROn bends wit hatightradius.
Setting Activ eB rake Assi st
Multimedia sy stem:,Vehicle.k Assistance.Active
BrakeA ssist
Ve hicles without DrivingA ssistancePack‐
age: The settings can be made af ters tartin gt he
ve hicle.
Ve hicles with Drivin gAssistanc ePacka ge:
The settings can be made whe nthe ignition is
switched on.
15 6
Driving and pa rking

road, thev ehicle follo ws upto30 seconds
behind thev ehicle ahead, without thed rive r
needing tointer vene. If an obst acle is detected
in front of thev ehicle during thed riving-of fpro‐
cedure, atakeo verw arning is given. Acceleration
is reduced, thed rive risg ivenavisual and acous‐
tic warning and mus tstopt he vehicle before
re achingt he obstacle or take evasiv eaction.
Ve hicles with theD riving Assistance Pack‐
age: In conjunction wit hnavigatio nsystems, Dis‐
ta nce Pilo tDISTRONIC pr events prohibi tedo ver‐
ta king on ther ight at speeds over50m ph
(80 km/h) in right-hand traf fica nd overtaking on
th el eftinl eft-side tra ffic on highw aysa nd high-
speed major roads.
If yo ua ctivat et he tur nsignal indicator tochange
lanes, thev ehicle will accelerat emoreb riskly to
th es etspeed under thef ollowing conditions:
RDis tan ce Pil otDISTRONI Cisa ctivated.
RIfth ed riving speed is higher than 45 mph
(70 km/h).
RIf th ed rive ns peed drops belo wthe stored
speed.
RIf th et raffic situation in theo vertakin glane
permitsas afel ane change.
Ve hicles with DrivingA ssistancePacka ge
and Traf ficS ign Assis t:Distanc ePilot
DI ST RO NIC also has theS peed Limit Pilo tfunc‐
tion .This function can be confi gured inthem ul‐
timedia sy stem. If achang eint he speed limit is
de tecte
d and Dis tance Pilo tDISTRONIC is acti va‐
te d, Dis tance Pilo tDISTRONIC assumes this new
speed.
The driven speed is adap tedw hen thev ehicle is
le ve lw itht he tra ffic signs. The speed limit dis‐
pla yint he Instrument Displa yisalway su pdate d
when thev ehicle is le velw itht he tra ffic sign.
If th eD ista nce Pilo tDISTRONIC hasb eenp ut
int op assive mode bypressing thea ccelerator
pedal, onl yspeed limits whic harehigher than
th es etspeed ar eadop ted.
Pulling thec ruise control le verw ills et thed is‐
pla yeds peed limit as thes peed, pr ovided that:
RThe Speed Limit Pilo thas been activated in
th em ultimedia sy stem and
RDis tance Pilo tDISTRONIC hasb eena ctiva‐
te d.
If no speed limit is displa yedw hen thel ever is
operated, thes peed se tbythe driver is adop ted.
Driv eprogram
The DYNA MIC SELECT switc hallows yout o
ch ang ethe driving styleofD ista nce Pilot
DISTRONIC.D epending on whic hdrive program
is selected ,the driving characteristic scan be
ge ared towa rdsf uel econom y,comfor tor
dynami cperform anc e(
→pag e134).
Sy stem limitations
Dis tance Pilo tDISTRONIC is acti veinthe0 mph
(0 km/h) to120m ph (200 km/h) speed range.
Ve hicles with theD riving Assistance Pack
‐
age
: Dis tance Pilo tDISTRONIC is acti veinthe
0m ph (0 km/h) to130m ph (2 10km/h) speed
ra nge.
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 greatly varying
light conditions.
16 0
Driving and pa rking

or
#Accelerat 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:
RSpeed Limit Pilo tisactivated in them ultime‐
dia sy stem (→pag e187).
RDis tance Pilo tDISTRONIC is acti vated.
RThe sy stem de tects atraffic sign indicating a
speed limit.
#Brief lypull thec ruise control le vertow ards
yo u3.
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 Speed Limit Pilo tisacti‐
va ted, an ydetected changes in thes peed
limit ar eadop tedbyt he system. Collision
warning
If Dis tance Pilo tDISTRONIC is unabl etosuffi‐
ciently decele rate thev ehicle in order topreve nt
it from approach ingthev ehicle in front, youw ill
be warned visually and acousticall y.An intermit‐
te nt wa rning tone will then sound and thed is‐
ta nce warning lam pwill light up in thei nstru‐
ment clus ter.
#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.
Fu nction of DRIVE PIL OT
The DRIVE PILOTfunctio nisavailable only
on vehicles with aDrivingA ssistanc ePack‐
age.
DRIVE PIL OTincludes thef ollowing driving and
driving saf etys ystems:
RSt eering Pilo twithA ctiv eLaneC hangeA ssist
(→pag e165)
RDis tance Pilo tDISTRONIC (→page 159)
RSpeed Limi tPilot (→pag e157)
Ste ering Pilot
Function of Steering Pilot
Ste ering Pilo tisonlya vailable forv ehicles
wit hthe Driving Assistance Package.
RSteering Pilo tisoperational at speeds up to
13 0m ph (2 10km/h) and helps youtos tayi n
th ec enter of thel ane bymeans of moderate
st eering inter ventions.
RIt uses as areferenc ethe vehicle in front or
th el ane markings, depending on thed rive n
speed.
RSt eering Pilo trequires youast he driver ,to
ke ep your hands onthes teering wheel at all
times so that youa reable tointer vene at any
time tocor rect thec ourse of thev ehicle and
ke ep it in lane.
RThe Steering Pilo tcan be overridden at any
tim ebys teering thev ehicle yourself.
RIfth es ystemd etects that ther ea reno lane
markings ,itusesthev ehicle ahead as aref‐
erence up toas peedo f80mph (130 km/h).
Driving and parking 16
5

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 ma ytipove rmoreq uickl yona
bend, fore xamp le.
#Alw ayss elect as lo wavehicle le vela s
possible and adap tyour driving style
accordingl y.
&
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.
PrerequisitesRThe vehicle's engine mus tbeswitched on.
RThevehicle mus tnotbe moving fasterthan
49 mph(80 km/h). Ra
ising thev ehicle
#Press but ton1.
Indica torlamp 2lights up.
RVehicles without 4MATIC: Thevehicle is
ra ised by0.9 in (25 mm) compared tothe
normall evel.
Drivinga nd parking 17
1

#Activat eord eacti vate thef unction.
Displa ysinthei nstrument clus ter
De tected traf fics igns ar edispl ay ed in thei nstru‐
ment clus ter.
#Select Instr. Cluster Display .
#Activat eord eacti vate thef unction.
Ac tivatin gordeactivatin gthe warning when
as peed limit is exceeded
The pointatw hichaw arning is given onc ea
speed is exceeded (warning thre shold) can be
se ta ccording toindividual preferences.
#Select Speed Limit Warning.
#SelectVisual&Audible ,Visual orNone.
Setting aspeed
#Select Warning Threshold.
#Setthe desired speed.
% Ifth eS peed Limit Pilo thas been activated,
th ed etected traf fics ignisa utomatical lydis‐
pla yedint he instrument clus ter.
Blind Spo tAssis tand Activ eB lind Spot
Assi st
Function of Blind Spo tAssis tand Active
Blind Spo tAssis t
Blind Spo tAssist uses tw olateral, rear-facing
ra dar sensor stomonitor thea reaupto1 30ft
(40 m) behind your vehicle and 10ft(3 m)
directly next to yourvehicle.
If av ehicle is de tected at speeds ab ovea ppr ox‐
imatel y5mph (8 km/h) and this vehicle subse‐
qu ent lyenter sthe monitoring rang ed irec tly next
to yo urvehicle, thew arning lam pinthe outside
mir rorlights up red.
If av ehicle is de tected clos etoyourvehicle in
th el ateral monitoring rang ea nd yous wit ch on
th et urns ignal indicator in thec orresponding
direction, an acoustic warning signal sounds
once. The redw arning lam pinthe outside mir ror
fl ashes.Ift he turnsignal indicator remains on,
all other de tected vehicles ar eindicated onl yby
th ef lashingoft heredw arning lamp.
If yo uo vertak eav ehicle quickl y,no warning is
given.
& WARNING Risk of accident despite Blind
Spo tAssist
Blind Spo tAssist does no treact tovehicles
approaching and overtakin gyou at agreatly
di fferent speed.
As aresult, Blind Spo tAssis tcanno twarn
driver sinthis situa tion.
#Alw aysp aycareful attention tothet raf‐
fi cs ituation and maintai nasafed is‐
ta nce at thes ide of thev ehicle.
Blind Spo tAssis tand ActiveB lind Spo tAssist
ar eo nly aids. The ymayfailto detect some vehi‐
cles and ar enosubstitut efor attentiv edriving.
Alw ayse nsur ethat ther eiss ufficient dist anceto
th es ide foro ther road user sand obs tacles.
Sy stem limitations
The de tection capability of Blind Spo tAssist can
be restricted in thef ollowing situations:
RIfth es ensor saredirty or obscured.
RWhen ther eisp oor visibility ,e.g. due tofog,
heavy rain, sno worspray .
18 8
Driving and pa rking

RIf narrowv ehicles ar ewithin them onitoring
ra nge, e.g .bicyc les.
Wa rnings ma ybeissued in er rorw hen driving
close tocrash barr iersors imilar solid lane bor‐
ders. Warnings ma ybeinterrupte dw hen driving
alongside long vehicles, fore xamp le, truc ks,for
ap rolonge dperiod.
Blind Spo tAssis tisn otoperational when reve rse
ge ar is engaged.
Brak eapplication of Activ eB lind Spo tAssis t
If Ac tiveB lind Spo tAssistdetects arisk of aside
impact in them onitoring range, acourse-cor‐
re cting brak eappli cation is car ried out. This is
designed tohelp youa void ac ollision.
The course-cor recting brak eappli cation is availa‐
ble in thes peed rang eb etwe en appr oximately
20 mph(30 km/h) and 125m ph (200 km/h).
&
WARNING Risk of accident despite
brak eapplication of ActiveB lind Spot
Assi st
Ac ourse-co rrecting brak eapplication cannot
alw aysp reve nt ac ollision.
#Alw ayss teer,b rake or accelera teyour‐
self,e speciall yifActiveBlind Spot
Assi stwa rnsy ou or makes acourse-
co rrecting brak eapplication.
#Alw aysm aintain asafed ista nce at the
sides.
& WARNING Risk of accident despite
Ac tiveB lind Spo tAssist
Blind Spo tAssist does no treact tothef ol‐
lowing:
ROver taking vehicles closel yonthe side,
placing them in theb lind spo tarea
RVe hicles approaching and overtakin gyou
at av eryd iffe re nt speed
As aresult, ActiveB lind Spo tAssistma ynei‐
th er giv ewarning snor inter vene in such sit‐
uations.
#Alw aysp aycareful attention tothet raf‐
fi cs ituation and maintai nasafed is‐
ta nce at thes ide of thev ehicle.
Ifac ourse-cor recting brak eappli cation occurs ,
th er ed warning lam pflashes in theo utside mir‐
ro ra nd warning tone sounds. In addition, adis‐
pl ay 1 indicatin gthe danger of aside collision
appear sinthe multifunction displa y.
In rare cases, thes ystemm aymak eani nappro‐
priat ebrake application. This brak eapplication
ma ybei nterrupte data nytime if yous teer
slightl yinthe opposit edirection or accelera te.
Driving and pa rking 18
9

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:
RTher eisp oor visibility, e.g. duetoinsuf ficient
illumination of ther oad, highly variable shade
conditions, or due torain, sno w,fogorh eavy
spr ay.
RTher eisg lare, e.g. from thes un, reflections
or oncoming tra ffic.
RTher eisd irtont he windshield in thev icinity
of them ultifunction camer aorthe camer ais
fo gged up, damaged or obscured.
RNo or se veral, unclear lane markings are
presentf or one lane, e.g. in aconstruction
area.
RThe lane markings ar eworn, dar korcovered.
RThe dis tance tothev ehicle in front is too
small and thel ane markings thus canno tbe
de tected.
RThe lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
RThe road is very nar rowa nd winding.
Ve hicles with Drivin gAssistanc ePacka ge or
Driving Assistance Plus Package: ActiveL ane
Ke eping Assis tuses radar sensor stomonitor
se verala reas around thev ehicle. If ther adar
senso rs
inther ear bumper ar edirt
y or covered
wit hs now, thes ystemm aybe impaired or may
no tfunction .Ifano bstacle in thel ane in which
yo ua redrivin ghas been de tected, no lane-cor‐
re cting brak eappli cation occurs .
Ac tivatin gActive Lan eKeeping Assist
&
WARNING Risk of accident despite
wa rning from ActiveL aneK eeping Assist
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 tcannot alwaysc learly
de tect lane markings.
19 2
Driving and pa rking

In suchcases, Lane Keeping Assis tcan:
Rgiv eanu nnecessar ywarning
Rnotg iveaw arning
#Alwaysp ayparticular attention tothe
traf fics ituation and keep within the
lane, especiall yifActiveLaneK eeping
Assis talerts you.
Prerequisi te
The driving speed is at leas t40m ph (60 km/h).
#Press button ;.
If indicator lamp :lights up, Lane Keeping
Assis tisactivated. When lane marking sare
de tected, thel ines in thea ssis tance graphic
ar es hown in white.
Sensitivity of Activ eL aneK eeping Assist
Wi th th estandar dora daptiv esetting ,you can
influence when thew arning vibration of Lane
Ke eping Assis ttakes place. In bo
th thestandar dand adaptiv esettings, no
wa rning vibration occur sinthefollowing situa‐
tions:
RYo uh ave switched on thet urns ignal indica‐
to r.
RAd riving safe ty system inter venes, such as
ABS, BASorE SP®.
In thea daptiv esetting, ther ew ill also be no
wa rning vibration in thef ollowing situations:
RThe vehicle is accelerated or braked consid‐
erably.
RYo us teer actively ,e.g. swer vetoavo id an
obs tacle or chang elane quickl y.
RYouc utthec orner on ashar pbend.
Setting thes ensitivityofA ctive Lan eKeep‐
ing Assist
Multimedia sy stem:
,Vehicle.k Assistance.Act.
Lane Keep. Assist
Selection options
#Select Adaptive orStandard.
Driving and parking 19
3