
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

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

&WARNING Risk of an accident caused by
limited de tection per form anc eofA ctive
Brak eAssist
Ac tiveB rake Assi stcanno talway sc lear ly
identify object sand comple xtraf fics itua‐
tions.
In such cases,ActiveB rake Assi stmight:
Rgiv eanu nnecessa rywa rning or brak ethe
ve hicle
Rno tg iveaw arning or no tbrake thev ehi‐
cle.
#Alw aysp aycareful attention tothet raf‐
fi cs ituation; do no trely on ActiveB rake
Assi stalone.
#Be ready tobrak eand take evasive
action if necessar y.
Alsoo bserve thes ystemb order sofA ctiveBrake
Assi st.
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 y18m ph (30 km/h), if
ove rseveral seconds thed ista nce main‐
ta ined tothev ehicle tr aveling in front is
insuf ficient fort he driven speed. The dis‐ ta
nce warning lam pthen lights up in the
instrumentc luster·.
RFr om appr oximatel y4mph (7 km/h), if your
ve hicle is criticall yclose toav ehicle or
pedestrian. An intermittent warning tone
sounds and thed ista nce warning lam plights
up in thei nstrument clus ter·.
Brak eimmediatel yortakee vasiv ea ction,p rovi‐
ded it is saf etodoso.
Driving and parking 15
3

The distancewarningf unction 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 Pack‐
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 Package 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)
Au tonomous braking sy stem
Th ea utonomou sbraking sy stem ma yinter vene at speeds starting from appr oxima tely 4m ph (7 km/h) in the following situations:
Ve hicles tr aveling in
front St
ationar yvehicles Crossin gvehicles Crossin gpedestrians Stationar ypedes‐
trians
Ve hicles without Driv‐
ing Assis tance Pack‐
age up
toappr ox.1 24 mp h
(200 km/h) up
toappr ox.31m ph
(50 km/h) no
reaction uptoappr ox.37m ph
(60 km/h) no
reaction
Ve hicles wit hDriving
Assis tance Package 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)
15 4
Driving and pa rking

Selectivebraking assistance
Selectiv ebraking assistance ma yinter vene at speeds starting from appr oxima tely 4m ph(7 km/h )int he following situations:
Ve hicles tr aveling in
front St
ationar yvehicles Crossin gvehicles Crossin gpedestrians Stationar ypedes‐
trians
Ve hicles without Driv‐
ing Assis tance Pack‐
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 Package 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)
Canceling abrake 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 stcancels thei nter vention
when at leas tone of thef ollowing condition sis
fulfilled:
RYo um aneuver toavo idtheo bstacle.
RThe reis no longer arisk of collision.
RAn obs tacle is no longer de tected in front of
yo ur vehicle.
Evasiv eSteering Assist
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) up toas peedofa pprox‐
imatel y43m ph (70 km/h).
RYouc an preve ntthea ssis tance at an ytime
by activ esteering.
Driving and parking 15
5

%It is recommended that youa lway sl ea ve
Ac tiveB rake Assi stswitched on.
The moment of warning or inter ventio ncan be
adjus tedasf ollows:
#Select Active Brake Assist Warning/Brake
Application: Early:y our selection isretained
when thev ehicle is next star ted.
#Select Active BrakeA ssist Warning/Brake
Application: Medium :your selection is
re tained when thev ehicle is next star ted.
#Select Active BrakeA ssist Warning/Brake
Application: Late:y our selection isretained
when thev ehicle is next star ted.
#Select Active BrakeA ssist Warning/Brake
Application: Off:
Ve hicles without Drivin gAssistanc ePack‐
age: The dis tance warning function and the
autonomous brakin gfunction ar edeactiva‐
te d. When thev ehicle is next star ted, the
middles etting is auto matically selected.
Ve hicles with DrivingA ssistancePack‐
age: The dis tance warning function and the
autonomous brakin gfunction ar edeactiva‐
ted. Evasiv eSteering Assis tisunavailable.
When thei gnition is next star ted, them iddle
setting is selected automaticall yand Evasive
St eering Assis tisavailable.
% When ActiveB rake Assi stis deactivated, the
æ symbol appears inthea ssis tance
graphicint he multifunction displa y.
Speed control cruise control
Function of cruise control
Cruise cont rola ccelerates and brakes thev ehi‐
cle automaticall yinorder tomaintain aprevi‐
ously stored speed.
If yo ua ccelerat etoovertake, fore xamp le,the
st ored speed is no tdele ted. If your emo veyour
fo ot from thea ccelerator pedal af tero vertaking,
cruise control will resume speed regulation back
to thes tore ds peed.
Yo uc an operat ecruise cont rolw itht he cruise
control le ver.
If yo uf ail toadap tyour driving style, cruise con‐
trol can neither reduce ther isk of an accident
nor override thel aws of ph ysics. It canno ttake int
oa ccount road, weather or traf ficc onditions.
Cruise control is only an aid. Youa re re sponsible
fo rt he dis tance tothev ehicle in front, forv ehi‐
cle speed, forb raking in good time and fors tay‐
ing in your lane.
Sy stem limitations
Cruise control ma ybeunable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed when theg radient evens out.
Do no tuse cruise control in thef ollowing situa‐
tions:
RIn traf fics ituations whi chrequ iref requ ent
ch anges of speed, e.g .inheavy traf fic, on
winding roads.
ROn slippery roads. Accelerating can cause
th ed rive wheels tolose traction and the
ve hicle could then skid.
RWhen visibility is poor.
Driving and parking 15
7

theç symbol is displa yedc yclicall ywhen the
ve hicle is ready topull away.
Ve hicles with Spee dLimit Pilo t:Ifas peed
limitisa utomatical lyadop ted, this is shown as
th es tore ds peed wit hthe ê symbol.
Operating Distance Pilo tDISTRONIC
&
WARNING Risk of accident if de tection
function of Dis tance Pilo tDISTRONIC is
impaired
The Dis tance Pilo tDISTRONIC does not
re act:
RTo people or animals.
RTostationar yobstacles on ther oad, e.g.
st opped or par kedv ehicles (vehicles with‐
out theD riving Assis tance Package).
RTo stationar yobstacles on ther oad, e.g.
st opped or par kedv ehicles, if conditions
ar en otsuf ficient toenable de tection
(vehicle switht he Driving Assis tance
Pa ckage).
RTo oncoming vehicles and crossing traf‐
fi c.
As aresult, Dis tance Pilo tDISTRONIC may
nei ther giv ewarning snor inter vene in such
situations.
#Alw aysc arefully obser vethet raffic con‐
ditionsa nd beready tobrak eata ll
times.
& WARNING Risk of accident duetol imi‐
te dd etectability of road user sand traf fic
situations
Dis tance Pilo tDISTRONIC canno talway s
clear lyidentify other road user sand complex
traf fics ituations.
In these conditions ,Dista nce Pilot
DISTRONIC may:
RGi ve an unnecessar ywarning and then
brak ethe vehicle.
RNeither giv eawarning nor inter vene.
RAc celerat eorbrake unexpectedly.
#Continue driving wi thcar eand be ready
to brake, particular lyif Dis tance Pilot
DISTRONIC warnsy ou.
&
WARNING Risk of accident duetoi nsuf‐
fi cient decele ratio nbyD ista nce Pilot
DISTRONIC
Dis tance Pilo tDISTRONIC brakes your vehi‐
cle wit hupto50%oft he maximum possible
braking po wer.If th is decele ratio nisn otsuf‐
fi cient, Dis tance Pilo tDISTRONIC alerts you
wit hav isual and acoustic warning.
#Appl ythe brakes yourself in these situa‐
tion sand tr ytot akee vasiv ea ction.
&
WARNING Risk of accident duetoD is‐
ta nce Pilo tDISTRONIC still being activa‐
te dw hen youl eave thev ehicle
If yo ul eave thed rive r's seat while thev ehicle
is being braked byDis tance Pilo tDISTRONIC
only ,itc anrollaw ay inthef ollowing situa‐
tions:
RIf th er eisam alfunction in thes ystemo r
in thep owe rsupp ly.
16 2
Driving and pa rking