
Functions of ESP®(Electronic Stability Pro‐
gr am)
&
WARNING Risk of skidding if ESP is mal‐
functioning®
If ESP®is malfunctioning ,ESP®canno tcarry
out vehicle stabilization. In addition,o ther
driving saf etys ystems ar eswitched off.
#Driv eonc arefull y.
#Have ESP®checkedataq ualified spe‐
cialis tworks hop.
&
WARNING Risk of skidding if ESP®is
deactivated
If yo ud eactivat eESP
®,ESP®canno tcarry
out vehicle stabilization.
#ESP®shouldo nly be deacti vatedint he
fo llowing situations.
ESP®monitor sand impr oves driving stabilitya nd
traction,p articularly inthef ollowing situations:
RWhen pullin gawayonw etor slippe ryroads.
RWhen braking.
RIn stro ng sidewinds when youa redrivin g
fast erthan 50 mph(80 km/h).
ESP
®can stabilizet hevehicle byinter vening in
th ef ollowing ways:
ROne or mor ewheels ar ebrake d.
RThe engine output is adap teda ccording to
th es ituation.
ESP
®is deactivated if theE SP®OFF å warn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter:
RDriving stabilityw ill no longe rbeimprove d.
RCrosswind Assis tisnolonger active.
RThe driv ewheels could spin.
RETS/4ET Straction control is still active.
% Even when ESP
®is deactivated, youa restill
assis tedbyE SP®when braking.
ESP
®is inter vening if theE SP®÷ warning
lam pflashes in thei nstrument clus ter:
RDo no tdeacti vate ESP®.
ROnly depress thea ccelera torp edalasf ar as
is necessar y.
RAdapty our driving styletos uitthec urrent
ro ad and weather conditions.
Deactivat eESP
®inthef ollowing situations to
impr ovetraction:
RWhen using sno wchains
RIn deep snow
ROn sand or gr avel
% Spinning thew heels results in acutting
action whic hprovide sbette rg rip.
ESP
®is deactivated if theå ESP®OFFwarn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter.
If th eE SP
®÷ warning lam plightsupc ontinu‐
ousl y,ESP®is no tavailable due toam alfunction.
Observ eanyinformation whic hmaybe displa yed
in thei nstrument clus ter:
RWa rning and indicator lamps (→pag e396)
RDispla ymessages
Drivinga nd parking 14
9

Activating/deactivatin gESP®(Electronic Sta‐
bility Prog ram)
Multimedia sy stem:,Vehicle.k Assistance.ESP
#Activate Oor deacti vate ª thef unction.
ESP
®is deactivated if theE SP®OFF å warn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter.
Obser vethei nformation on warning lamps and
displa ymessages whic hmaybe shown in the
instrumentc luster.
Fu nctions of ESP®Crosswind Assist
ESP®Crosswind Assis tdetects sudden gusts of
side wind and helps thed rive rtok eepthev ehi‐
cle in thel ane:
RESP®Crosswind Assis tisactiveatv ehicle
speeds between 50 mph(80 km/h) and
12 5m ph (200 km/h) when driving stra ight
ahead or cornering slightly.
RThe vehicle is stabilized bymeans of individ‐
ua lb rake application on one side.
Function of EBD (Electronic Brak eforce Dis‐
tribution)
EB Disc haracterized bythef ollowing:
RMonitoring and closed-loop control of the
brak epressur eont herear wheels.
RImpr oveddriving stabilityw hen braking,
especiall yonb ends.
Function of Activ eB rake Assi st
ActiveB rake Assi stconsist sof:
RDis tance warning function
RAu tonomous braking sy stem
RSelectiv ebraking assis tance
RVe hicles with the DrivingA ssistance
Pa ckage: Evasi veSteering Assist
Ac tiveB rake Assi stcan hel pyou tominimize the
ri sk of acollision wit hvehicles or pedestrians or
to reduce thee ffects of suc hacollision.
If Ac tiveB rake Assi sthas de tected arisk of colli‐
sion,y ou will be warned visually and acousti‐
call y. If
yo udon otreact tothev isual or acoustic warn‐
ing, autonomous brakin gcan be initiated in criti‐
cal situations.
In especiall ycritical situations ,Activ eBrake
Assi stcan initiate autonomous brakin gdirect ly.
In this case, thev isual and acoustic warning
occur ssimultaneousl ywitht he braking applica‐
tion.
If yo ua ppl ythe brak eyourself in acritical situa‐
tio nora pplythe brak eduring autonomous brak‐
ing, selectiv ebraking assis tance occu rs.T his
increases theb rake pressur euptom aximum
full-s topb raking if necessar y.
If yo ur vehicle is equipped wit hadditional pre‐
ve ntiv eoccupant pr otection measures (PRE-
SA FE), these ma ybeinitiated when thea utono‐
mous braking sy stem or thes electiv ebraking
assis tance is trig gered.
15 2
Driving and pa rking

or
#Pressthel eve rbeyo ndthep ressur epoint:
st ored speed is increased =orreduced ?
by 10 mph(10 km/h).
or
#Press and hold le verb eyo ndthep ressure
point :store ds peed is increased =or
re duced ?in10 mph(10 km/h) incre‐
ments.
If cruise control has beend eactivated,thec ur‐
re nt driven speed is adop tedw ith= or?.
% Ifyo ub rake ,d eactivat eESP orifES Pinter‐
ve nes, cruise control is deacti vated.
% When yous wit ch offt he vehicle, thel ast
speed stored is cleared.
Setting thes peed limit forw inte rt ires
Multimedia sy stem:
,Vehicle.î Vehicle
Settings.Winter Tires Limit
#Select thes peed or deactivat ethe function.
Distance Pilo tDISTRONIC
Function of Distance Pilo tDISTRONIC
Dis tance Pilo tDISTRONIC:
RMaintains thes etspeed and accelerates or
decelerates thev ehicle if thed ista nce from
th ev ehicle in front permits.
RAssists youinm aintainin gthe dis tance from
th ev ehicle in front and can bring your vehi‐
cle toas tandstil lifnecessar y.
RBrakesyour vehicle wit hupto50%oft he
maximum possible braking po wer.If greater
decelera tionp erform ance is requ ired, avis‐
ual and acoustic warning is given and you
mus tthen inter vene yourself.
RVe hicles with DrivingA ssistancePack‐
age, Parking Pilo tand COMAND: When
driving in stop-s tart traf fic, thed rive riss up‐
por tedbyane xtended, au tomatic restar tin
traf ficj ams.
RVe hicles with DrivingA ssistancePack‐
age: Responds in urban speed ranges tosta‐
tionar yvehicles (e xcep tb icycles, mo torcy‐ cle
sand pede strians )ifc onditionsa resuf fi‐
cient toenable de tection.
If yo uf ail toadap tyour driving style, Dis tance
Pilo tDISTRONIC can nei ther reduce ther isk of
an accident nor override thel aw sofp hysics.
Dis tance Pilo tDISTRONIC canno ttak ei nto
account road, weather or traf ficc onditions .Dis‐
ta nce Pilo tDISTRONIC is only an aid. Youa re
re sponsible fort he dis tance tothev ehicle in
front, forv ehicle speed,
forb raki
ng in good time
and fors taying in your lane.
If all act ivatio ncondi tionsa remet, youc an acti‐
va te Dis tan ce Pil otDISTRONI Cdurin gaj ourn ey
or while stationar y.When Dis tance Pilot
DISTRONIC is acti vated, as peed is stored which
th ed rive rc an increase or reduce at an ytime.
The speed can be adjus tedb etwe en 15 mp h
(20 km/h) and 120m ph (200 km/h).
Ve hicles with theD riving Assistance Pack‐
age: The speedc an be adjusted between
15 mp h(20 km/h) and 130m ph (2 10km/h).
Ve hicles with DrivingA ssistancePacka ge,
Park ing Pilo tand COMAND: Ifth ev ehicle is
st opped on ahighw ayorah igh-speed major
Driving and parking 15
9

Assistanc ewhen changing lane sisprovide difa ll
th ef ollowing condition sareme t:
RYoua redrivin gonah ighwayorhigh-speed
multi-lan emajor road wit hmultiple lane sin
th ed irection of tr avel.
RThe neighboring lane is free and separated
byab roke nl ane marking.
RThe driven speedisb etwe en 45 mph
(7 5k m/h) and 110m ph (180 km/h).
RThe tur nsigna lindicator is switched on for
longer than tw oseconds.
Ste ering and contact de tection
St eering Pilo trequires youast he driver ,tokeep
yo ur hands onthes teering wheel at all times so
th at youa reable tointer vene at an ytime tocor‐
re ct thec ourse of thev ehicle and keep it in lane.
The driver mus texpect achang efroma ctiveto
passiv emode or vice versaata nytime.Ifyo ua renots teering yourself or ifyo ut ake
yo ur hands offt he steering wheel forap ro‐
longed period of time, thes ystemw ill, depend‐
ing on thes ituation ,first aler tyou wit havisual
wa rning. 1appear sinthe multifunction displa y.
If yo ua restill no tsteering thev ehicle yourself or
if yo uh ave nottaken hold of thes teering wheel,
aw arning tone sounds in additio ntothewarning
messag etoremind youtot akec ontrol of the
ve hicle.
The warning messag edoes no tappear or disap‐
pear sifo ne of thef ollowing condition sareme t:
RThe driver steer sthe vehicle.
RThe driver presses asteering wheel button or
operates Touc hC ontrol.
Ac tiv eE me rgency Stop Assist
If th ed rive rc ontinues toigno rethea coustic
wa rning, Dis tance Pilo tDISTRONIC reduces the
speed. If thed rive rs tilld oes no trespond, the
ve hicle is decelerated in stages toas tandstill.
The driver can cancel thed eceleration at any
time byper form ing one of thef ollowing actions:
RSteering
RBraking or accelerating
RPressing asteering wheel button or operat‐
ing Touc hC ontrol
RActivating or deacti vating Steering Pilo tor
Dis tance Pilo tDISTRONIC
The driver must beready totake control of the
ve hicle at an ytime.
Ac tivatin gSteering Pilot
Requ irements
RESP®mustbes witched on, but no tinter ven‐
ing.
Driving and pa rking 16
7

temi ndependentl ylocates and measu resp aral‐
lel and perpendicularp arking spaces on both
sides of thev ehicle in thed irection of tr avel. If
Pa rking Pilo tisactivated, suitable parking
spaces ar edispla yedint he multimedia sy stem.
The ë symbol appear sinthe multifunction
displa y.The ar rowsshoww hichs ide of ther oad
free parking spaces ar elocated. The parking
spacea nd parkin gdirection can be selecte das
desired. Parking Pilo tcalculates asuitable vehi‐
cle pat hand assists youint he parking and exit‐
ing procedure. Parking Pilo tchanges gear,a ccel‐
erates, brakes and steer sthe vehicle.
Pa rking Pilo tisonlyana id. It is no tasubstitute
fo ry our attention tothei mmediat esurround‐
ings. The responsibility fors afem aneu vering and
pa rking remains wit hyou. Mak esuret hat no
persons, animals or objectsa reinthem aneuver‐
ing range.
Pa rking Pilo tiscanceled if one of thef ollowing
actions is car ried out:
RYo ud eactivat ePARKTRONIC.
RYous wit ch offP arking Pilot.
RYoub egin steering.
RYo ua ppl ythe parking brake.
RYoue ngaged rive range j.
RESP®inter venes.
Pa rking Pilo tsysteml imitations
Object slocated abo veor belo wthe de tection
ra ng eofP arking Pilo tare notd etected when the
parkin gspace is being measured. These ar ealso
no ttaken in toaccount wh en
thep ark
ing proce‐
dur eisc alculated, e.g. overhanging loads, over‐
hangs or loading ramp soft ruck sort he bounda‐
ri es of thep arking space. In some circums tan‐
ces, Parking Pilo tmaytherefor eguide youi nto
th ep arking space prematurel y.
&
WARNING Risk of accident duet o
object slocated abo veor belo wthe
de tection rang eofP arking Pilot
If th er ea reobjects abo veor belo wthe
de tection range, thef ollowing situations may
arise:
RPa rking Pilo tmaysteer tooe arly.
RThe vehicle ma ynotstop in front of these
objects.
This could cause acollision.
#Inthese situations, do no tuse Parking
Pilot.
Sn owfa ll or heavy rain ma ylead toap arking
spaceb eingmeasured inaccuratel y.Pa rking
spaces that ar epartial lyoccupied bytrailer
dr aw bar sm ight no tbeidentified as suc horbe
measured incor rectly .Only us eParking Pilo ton
le ve l, high-grip ground.
Do no tuse Parking Pilot, fore xamp le, in thef ol‐
lowing situations:
RIn extreme weather conditionss uchasi ce or
pac keds noworinh eavyrain.
RIfyo ua retranspo rting aload that pr otru des
be yond thev ehicle.
RIfth ep arking space is on asteep downhill or
uphill gradient.
RIf yo uh ave installed sno wchains.
Pa rking Pilo tmayalso displa yparkin gspaces
th at ar enotsuitable forp arking, e.g.:
RParking spaces wher eparkin gisp rohibited.
18 0
Driving and pa rking

Arisk of acollision ma yarise in thef ollowing sit‐
uations, fore xamp le:
RIfth ed rive rm ixes up thea ccelera tora nd
brak epedals.
RIfth ew rong gear is selecte d.
The Driv eAwayA ssistfunction is activ eunder
th ef ollowing conditions:
RIfPA RKTRONI Cisa ctivated.
REver ytimet he gear is changed toRor D
when thev ehicle is at astandstill.
RIfth eo bstacle is less than 3. 3ft(1.0m )
aw ay.
RIfth em aneuvering assis tance functio nis
acti vatedint he multimedia sy stem.
Driv eAwayA ssistis una vailable on inclines and
when drivingw ithat railer.
Cross Traf ficA lert
Ve hicles with Blind Spo tAssis t:Driver scan
also be warned of an ycrossing tra ffic when
backin gupout ofaparkin gspace. If acritical
situation is de tected, awarning symbol appears
on thec amer aimag eoft he multimedia sy stem. If
th ed rive rd oes no trespond tothew arning,
th ev ehicle's brakes can be applied automati‐
call y.To do this, thef unction uses ther adar sen‐
sor sint he bumper .The area adjacen ttothe
ve hicle is continually monitored.
If th er adar sensors areo bstructed byvehicles
or other objects, de tection is no tpossible.
The Cross Traf ficA lertfunction is acti veunder
th ef ollowing conditions:
RIf Blind Spo tAssis tisa ctivated.
RIfth ev ehicle is backing up at walkin gpace.
RIfth em aneuvering assis tance functio nis
acti vatedint he multimedia sy stem.
Ac tivating/deactivatin gmaneuverin gassis‐
tance
Multimedia sy stem:
,Vehicle.k Assistance.Parking
Pilot.Maneuverin gAssist.
#Switc hthe function on Oor off ª.
ATTENTION ASSIST
Fu nction of ATTENTION ASSIST
AT TENTION ASSIS Tassists youo nlong, mon oto‐
nous journe ys,e .g. on highw aysa nd trunk roads.
If AT TENTION ASSIS Tdetects ind icator soff ati‐
gue or increasing lapse sinconcentration on the
par toft he driver ,itsuggests taking abreak .
AT TENTION ASSIS Tisonlyana id. It cann ot
alw aysd etect fatigue or lapses in concentration
unti ltoo late. The sy stem is no tasubstitut efor a
we ll-res teda nd attentiv edrive r.On long jour‐
ne ys,tak er egular break singood time that allow
fo ra dequ ater ecuperation.
Yo uc an choose between tw osettings.
RSt andard: normal sy stem sensitivity
RSensitive: higher system sensitivity .The
driver is warned earlier and thea ttention
le ve ld etected byATTENTION ASSIS Tisadap‐
te da ccordingly.
If dr owsines sori ncreasingl apses in concentra‐
tio na redetected, theATTENTION ASSIST: Take
aB reak! warning appear sinthe Instrument Dis‐
pla y.Yo uc an ackn owledg ethe messag eand
184
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:
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

Operating safety
&
WARNING Risk of dist raction from infor‐
mation sy stems and communications
equipment
If yo uo perat einformation and communica‐
tions equipment integ ratedint hevehicle
when driving, youw ill be dis tracted from the
traf fics ituation. Thisc ould also cause yout o
lose control of thev ehicle.
#Onl yoperat ethis equipment when the
traf fics ituation permits.
#Ifyo uc anno tbes ureoft his,stop the
ve hicle whils tpaying attention toroad
and traf ficc onditions and ope rate the
equipment wit hthe vehicle stationar y.
&
WARNING Risk of dist raction from oper‐
ating mobil ecommunication equipment
while thev ehicle is in motion
If yo uo perat emobile communicatio nequip‐
men twhen drivin g,youw ill be dis tracted
fromthet raffic situation. This could also
cause youtol ose control of thev ehicle.
Onl yoperat ethis equipment when thev ehi‐
cle is stationar y.
Fory our owns afet y, alwa ys obser vethef ollow‐
ing points when operating mobile communica‐
tions equipment and especiall yyour voice con‐
trol sy stem:
RObser vethel egal requ irements fort he coun‐
tr yinw hichyou ar edriving.
RWhile driving, only oper atem obile communi‐
cationse quipment and your voice control
sy stem when thet raffic condition spermit it.
Yo um ayotherwise be distracted from the
traf ficc onditions and cause an accident,
injuri ngyourself and others.
RDo no tuse thev oice control sy stem in an
emer gency as your voice can chang eand
yo ur telephonec all can be unnecessarily
dela yed.
RFa miliarize yourself wit hthe voice control
sy stem function sbefor estartin gt he journe y.
Operation
Operating them ultifunction steering wheel
The Voice Cont rolS ystemiso perational appr ox‐
imatel ythirty seconds af tert he ignition is
switched on.
18 Switches thes ound off/on (ends the
Vo ice Cont rolS ystem)
2ó Starts theV oice Control Sy stem
36 Makes/accepts acall
4~ Rejects/end sacall( en ds theV oice
Control Sy stem)
206
Voice Cont rolS ystem