The electric parking brakeisapplied if thet rans‐
mission is in position jand one of thef ollow‐
ing condition sisfulfilled:
RThe engin eisswitched off.
RThe seat belt tongueisn otinser tedint he
seat belt buckle and thed rive r's door is
opened.
% Toprev ent application: pull theh andle of the
electric parking brake.
The electric parking brak eisalso applied if one
of thef ollowing condition sisfulfilled:
RDistance Pilo tDISTRONIC bring sthe vehicle
to as tandstill.
RThe HOL Dfunction is keeping thev ehicle sta‐
tionar y.
RParking Pilo tiskeeping thev ehicle station‐
ar y.
In addition, one of thef ollowing condition smust
be fulfilled:
RThe engin eisswitched off.
RThe seat belt tongueisn otinser tedint he
seat belt buckle and thed rive r's door is
opened.
RTher eisas ystemm alfunction.
RThe po wersupp lyis insuf ficient.
RThe vehicle is stationar yfor alengt hyperiod.
When thee lectric parking brak eisapplied, the
F (USA) or !(Canada) indicator lamp
lights up in thei nstrument clus ter.
The electric parking brak eisnotautomatically
engaged if thee ngine is switched of fbythe ECO
st art/ stop function.
Re leasing thee lectric pa rking brak eauto‐
matically
The elect ricp arkin gb rake isreleased when all of
th ef ollowing condition sarefulfilled:
RThe engin eisrunning.
RTh es eatb eltt ongue is inser tedi ntot he seat
belt buckle.
RThe transmission is in position hork and
y
o ud epress thea ccelera torp edalory ou shif
tfromt ransmission position jtoh or
k.
RIf th et ransmission is in position k,the
trunk lid mus tbeclosed.
If th es eat belt tongueisn otinser tedi ntot he
seat belt buckle, thef ollowing condition smust
be fulfilled:
RThe driver's door is closed.
RYo um ovet he transmission out of transmis‐
sion position joryouh ave prev iously
driven faster than 2m ph (3 km/h).
RIfth et ransmission is in position k,the
trunk lid mus tbeclosed.
If th ee lectric parking brak eisreleased, the
F (USA) or !(CANADA) indicator lam pin
th ei nstrument clus terg oes out.
Driving and parking 14
5
Thestar terb atter ymustbec hargedint hefol‐
lowing situations:
Rth ev ehicle's period out of use mus tbe
ex tended.
Rth eBattery Charge Insufficient for Standby
Mode messag eappear sinthe multimedia
sy stem displa y.
% Standb ymode is automaticall ydeactivated
when thei gnition is switched on.
Ac tivatin gordeactivatin gstandb ymode
Multimedi asystem:
,Vehicle.î Vehicle
Settings.Standby Mode
#Ac tivate Oor deacti vate ª thef unction.
When youa ctivat et he function,ap romp t
appears.
#Select Yes.
St andb ymode is activated.
Driving and driving saf etys ystems
Driving sy stems and your responsibility
Yo ur vehicle is equipped wit hdriving sy stems
whic hassis tyou in driving, parking and maneu‐
ve ring thev ehicle. The driving sy stems ar eaids
and do no trelie veyouofy ourresponsibility .Pay
attention tothet raffic condition satall times
and inter vene when necessary .Beawareofthe
limitation sregarding thes afeu se of these sys‐
te ms.
Fu nction of ther adar senso rs
Some driving and driving safe ty systems use
ra dar sensor stomonitor thea reainf ront of,
behind or next tothev ehicle (depending on the
ve hicle's equipment).
Depending on thev ehicle's equipment, ther adar
sensors arei ntegrated behind theb umpers
and/or behind ther adiator grill. Keep these
parts free of dirt, ice and slush .The sensors
mus tnotbe co vered, fore xamp leby bicycle
ra ck s, ove rhanging loads or radar-reflecting
st icke rs.F ollowing an impact and in thee vent of associated damage
,whic hm aynotbev isible, to
th eb umper sorradiator grille, ha vethef unction
of ther adar sensors checkedataq ualified spe‐
cialis tworks hop. The driver assis tance sy stem
ma ynol onger workproperly.
Overvie wofdriving and driving saf etys ys‐
te ms
In this section, youw illfind informatio nabout
th ef ollowing driving sy stems and driving saf ety
sy stems:
R360° Camer a(→page177)
RABS ( Anti-lo ckBra king Sys tem)
(→pag e148)
RDis tance Pilo tDISTRONIC (→page 159)
RAIR BODY CONTROL (→pag e169)
RActiveB rake Assi stwit hc ross-traf ficf unction
(→page 152)
RAc tiveL aneK eeping Assis t(→page190)
RATTENTION ASSIS T(→page184)
RBA S(Bra keAssist System) (→pag e148)
Driving and parking 14
7
REBD (Electronic Brakeforce Distribution)
(→pag e152)
RESP®(Electronic Stability Program)
(→pag e149)
RDRIVE PIL OT(→pag e165)
RHOLD function (→pag e168)
RSteering Pilo t(→page165)
RParking Pilo t(→page179)
RPARKTRONI C(→page172)
RReversing camera (→pag e174)
RCruise control (→pag e157)
RBlind Spo tAssist andActiveB lind Spo tAssist
(→pag e188)
RTraf ficS ign Assist (→page186)
Functions of ABS (anti-loc kbraking sy stem)
AB Sr egulates theb rake pressur eincritical driv‐
ing situations:
RDuring braking, thew heels ar epreve nted
from blocking ,e.g. due tomaximu mfull-s top
braking or insuf ficient traction of thet ires.
RVehicle steerability while braking is ensured.
RABS is activ efroms peeds of appr ox.5m ph
(8 km/h).
If AB Sinter venes when braking, youw illfeel a
pulsing in theb rake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditionsa nd can serveas areminder totake
ex trac arew hile driving.
Sy stem borders
AB Sm aybe impaired or ma ynotfunction if a
malfunction has occur reda nd they ellow !
ABS warning lam plightsupc ontinuousl yinthe
instrument clus tera fter thee ngine is star ted.
Fu nction of BAS(Brak eAssis tSystem)
&
WARNING Risk of an accident caused by
am alfunctio ninBAS (Brak eAssist Sys‐
te m)
If BA Sism alfunctioning ,the braking dis tance
ma yincrease in an eme rgency braking situa‐
tion.
#Depress theb rake pedal wit hfull forc e
in emer gency braking situations. ABS
pr eve nts thew heels from locking.
BASs uppo rtsy our emer gency braking situation
wit ha dditional brak eforce.
If yo ud epress theb rake pedal quickl y,BA Sis
acti vated:
RBA Sa utomatically boosts theb rake pres‐
sure.
RBA Sc an short entheb raking dis tance.
RABS pr events thew heels from locking.
The brakes will function as usual onc eyou
re lease theb rake pedal. BASisd eactivated.
148
Driving and pa rking
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
ETS/4ETS(Electronic Tractio nSystem)
ETS/4ETS traction control is pa rtof ESP®.
ETS/4ET Scan impr ovethev ehicle's traction by
inter vening in thef ollowing ways:
RThe driv ewheels ar ebrake di ndividually if
th ey spin.
RMor edrive torque is transferred tothew heel
or wheels wit htraction.
Influence of driv eprograms on ESP
®
The driv eprograms enable ES P®toadap ttod if‐
fe re nt we ather and road conditionsasw ell asth
ed rive r's prefer redd riving style. Youc an
select thed rive prog rams using theD YNAMIC
SELECT switch.
15 0
Driving and pa rking
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
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