ST
EER CONT ROLfunction ST
EER CONTROL help syou bytransmitting a
noticeable steering forc etot hesteering wheel in
th ed irection requ ired forv ehicle stabilisation.
This steering recommendation is given pa rticu‐
larly in thef ollowing situations:
R Both right wheels or bo thleftw heels ar eon
aw etor slippe ryroad sur face whe nyou
brake.
R The vehicle starts toskid.
Sy stem limitations
ST EER CONTROL ma ybeimpairedorm aynot
function in thef ollowing situations:
R ESP ®
is deactivated.
R ESP ®
is malfunctioning.
R The steering is malfunctioning.
If ESP ®
is malfunctioning, youw ill be assis ted
fur ther by thee lectric po wersteering. Fu
nction of Activ eB rake Assi st Ac
tiveB rake Assi stconsi stso f:
R Distance warning function
R Autonomous braking function
R Situation-dependent braking assi stance
R Vehicles with Drivin gAssistanc ePack‐
age: Evasi veSteering Assist
Ac tiveB rake Assi stcan hel pyou tominimis ethe
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 ,you will be warned visually and acousti‐
cally.
If yo udon otreact tothev isual or acoustic warn‐
ing, autonomous brakin gcan be initiated in criti‐
cal situations.
In especially critical situations ,Activ eBrake
Assi stcan initia teautonomous 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, situation-dependen tbraking assis tance
occu rs.T he brak epressur eincreases up tomax‐
imum full-s topb raking if necessar y.
If th ea utonomous braking function or thes itua‐
tion-dependen tbraking assis tance is trig gered,
additional pr eventiv emeasures foro ccupant
pr otection (PRE-SAFE ®
)m ayalso be initiated, if
th ev ehicle is equipped wit hthese. &
WARNING Risk of an accident caused by
limited de tection per form anc eofA ctive
Brak eAssist
Ac tiveB rake Assi stcanno talway sc learly
identify objects and compl extraf fics itua‐
tions.
In su chcases, ActiveB rake Assi stmight:
R Giveaw arning or brak ewithout reason
R Notgiveaw arning or no tbrake #
Alw aysp aycareful attention tothet raf‐
fi cs ituation; do no trely on ActiveB rake
Assi stalone. ActiveB rake Assi stis only Drivin
gand parking 201
an aid. The driver is
responsible for
maintaining asuita ble dis tance tothe
ve hicle in front, vehicle speed and for
braking in good time. #
Be prepared tobrak eors werveifn ec‐
essar y. Als
oo bserve thes ysteml imitations of Active
Brak eAssist. The individua
lsubfunctions ar eavailable in
th ef ollowing speed ranges:
Distance warning function
The dis tance warning function issues awarning
at speeds:
R From appr oximatel y30k m/h, if overseveral
seconds thed ista nce maintained tothev ehi‐
cle tra velling in front is insuf ficient fort he driving speed. The
·distance warning
lam pthen lights up in thei nstrument clus ter.
R From appr oximatel y7km/h, if your vehicle
is criticall yclose toav ehicle or pedestrian.
An intermittent warning tone sounds and the
· distance warning lam plight supint he
instrument clus ter.
Brak eimmediately or take evasiv eaction ,provi‐
ded it is saf etodosoa ndthet raffic situation
allo wsthis.
Th ed istance warning function can aid youint hefollowing situations wit hanintermit tent wa rning tone and awarnin glamp: Ve
hicles tr avelling in
front St
ationar yvehicles Crossin gvehicles Crossin gpedestrians Stationar ypedes‐
trians
Ve hicles without Driv‐
ing Assis tance pa ck‐
age up
toappr ox.
250 km/h up
toappr ox.80k m/h no reaction uptoappr ox.60k m/h no reaction
Ve hicles wit hDriving
Assis tance pa ckage up
toappr ox.
250 km/h up
toappr ox.
10 0k m/h up
toappr ox.70k m/h up toappr ox.70k m/h up toappr ox.70k m/h 202
Driving and pa rking
Cancelling
abrake application of Active
Brak eAssist
Yo uc an cancel abrake applicatio nofActive
Brak eAssistat an ytimeb y:
R Fullyd epressin gthe accelerator pedal or
wit hk ickdown.
R Vehicles without Drivin gAssistanc epack‐
age: releasing theb rake pedal
Ac tiveB rake Assi stma ycancel theb rake appli‐
cation when one of thef ollowing condition sis
fulfilled:
R Youm anoeuv retoavoid theo bstacle.
R The reis no longer arisk of collision.
R An obs tacle is no longer de tected in front of
yo ur vehicle.
Evasiv eSteering Assis t(onl yvehicles with
Driving Assistan cePackage)
Evasi veSteering Assis thas thef ollowing charac‐
te rist ics:
R Can de tect stationar yorcrossing pedes‐
trians. R
Can assis tthe driver wit hadditional steering
assis tance if it de tects aswerving manoeu‐
vre.
R Canbea ctivatedbyana bruptsteering mo ve‐
ment during aswerving manoeuvre.
R Cana ssistduring swerving and stra ightening
of thev ehicle.
R Can react from aspee dofa pproximately
20 km/h up toas pee dofa pproximately
70 km/h.
Yo uc an pr eventthea ssis tance at an ytime by
activel ysteering. &
WARNING Risk of an accident despi te
Evasiv eSteering Assist
Evasiv eSteering Assis tcann otalw aysc learly
identify objects and comple xtraffic situa‐
tions.
In addition ,the steering suppor tofEvasive
St eering Assis tisgenerallyn otsufficien tto
avo idac ollision. In suc
hcases Evasiv eSteering Assis tcan:
R giveanu nnecessar ywarning or pr ovide
assis tance
R notg 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. #
Beready tobrak eand take evasive
action ,ifnecessar 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 ysteml imitations of Evasive
St eering Assist. 204
Driving and parking
Sy
stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R In sno w,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatlyvarying
light conditions.
R Ifth es ensor saredirty ,miste du p, damaged
or co vered.
R Ifth es ensor smalfunction due to otherradar
source inter fere nce, fore xamp lestro ng radar
re flections in multi-s toreyc ar par ks.
R Ifal oss of tyr epressur eorad efectivetyre
has been de tected and displ ayed.
The sy stem ma ynotreact cor rectly:
R In compl extraf fics ituations whe reobjects
cannot alwaysbec learly identified.
R Topedestrians or vehicles if they mo ve
qu ickl yintot he sensor de tection range.
R Topedestrians who ar ehidden by other
objects.
R Ifth et ypical outline of apedestrian cann ot
be distinguished from theb ackg round. R
Ifap edestrian is no trecognised as such, e.g.
due tospecial clo thing or other objects.
R On bends wit hatightradius. Setting
Activ eB rake Assi st Multimedia sy
stem:
, Vehicle .
k Assistance .
Active
Brak eAssist
Ve hicles without Drivin gAssistanc epack‐
age: The settings can be made af ters tartin gt he
ve hicle.
Ve hicles with Drivin gAssistanc epacka ge:
The setting scan be made when thei gnition is
switched on.
% It is recommended that youa lway sl ea ve
Ac tiveB rake Assi stswitched on.
Select one of thef ollowing settings: #
Early :your selection is retained when the
ve hicle is next star ted. #
Medium :your selection is retained when the
ve hicle is next star ted. #
Late:y our selection is retained when the
ve hicle is next star ted. #
Off:
The dis tance warning function and thea uton‐
omous braking function ar edeactivated.
Ve hicles without Drivin gAssistanc epack‐
age: when thev ehicle is next star ted, the
mediu msetting is auto matically selected.
Ve hicles with Drivin gAssistanc epack‐
age: Evasi veSteering Assis tisnotavailable.
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
graphi cinthe multifunction displa y. Ad
aptiv eBrake Lights function Ad
aptiv eBrake Lights warnfollowing traf ficinan
emergency braking situation:
R Byflashin gbrake lamps
R By activatin gthe hazard warning lights Drivin
gand parking 205
If
th ev ehicle is braked sharply from speeds
abo ve50 km/h, theb rake lamps flash rapidly.
This pr ovides traf fict rave lling behin dyou wit han
eve nm oren oticeable warning.
If th ev ehicle is tra velling at speeds of mor ethan
70 km/h at theb eginnin gofthe brak eapplica‐
tion ,the hazar dwarning light sswitc hono nce
th ev ehicle is stationar y.When pulling away
again, theh azar dwarning light sswitc hoffauto‐
matically at appr oximatel y10k m/h .You can
also switc hofftheh azar dwarning light susing
th eh azar dwarning button. Cruise control and limiter
Fu
nction 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 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.
Chang eintoal owergear in good time on long
and steep downhill gradients. Take particular
no te ofthis when drivin galaden vehicle. By
doing so, youw ill mak euse of theb raking ef fect
of thee ngine. This relie vest he load on theb rake
sy stem and pr events theb rake sf romo verheat‐
ing and wearing tooq uickl y. Do no
tuse cruise control in thef ollowing situa‐
tions:
R In traf fics ituations whi chrequ iref requ ent
ch anges of speed, e.g .inheavy traf fic, on
winding roads.
R On slippe ryroads. Accelerating can cause
th ed rive wheels tolose traction and the
ve hicle could then skid.
R Ifyo ua redrivin gwhen visibilit yispoor.
Fu nction of thel imiter
The limiter restricts thes peed of thev ehicle. To
re duce thes peed swiftl ytothe se tspeed, the
limiter applies theb rake sa utomatically.
Yo uc an limit thes peed as follo ws:
R Variable: fors pee dlimits, e.g. in built-up
areas.
R Perm anen t:forl ong-ter mspee drestrictions,
e.g .whend riving wi thwinter tyres fitted.
If yo uf ail toadap tyour driving style, thel imiter
can neither reduce ther isk of an accident nor
ov erride thel aw sofp hysics. It canno ttak ei nto
account road, weather or traf ficc onditions .The
limiter is only an aid. Youa re re sponsible fort he 206
Driving and parking
dis
tance tothev ehicle in front, forv ehicle
speed, forb raking in good time and fors taying
in lane.
Yo uc an operat ethe variable limiter wit hthe
cruise control le ver.Yo uc an stor ea nyroad
spee dabove 20 km/h. Youc an also per form
settings while thev ehicle is stationar yifthe
ve hicle has been star ted.
Kickdown
If yo ud epress thea ccelerator pedal be yond the
pressur epoint (kickdown), thel imiter switches
to passiv emode. The Limiter passive message
appear sinthe multifunction displa y.
Af terc ompletion of kickdown, thev ariable lim‐
iter is activated again in thef ollowing situations:
R Ifth ed rive ns peed drops belo wthe stored
speed.
R Ifth es tore ds peed is called up.
R Ifyo us tore an ew speed. Operating cruise control or
thev ariable lim‐
iter &
WARNING Risk of accident du eto
unknown stored speed
If yo uc all up thes tore ds peed and this is
lo we rthan your cur rent speed ,the vehicle
decelerates.
If yo udon otknow thes tore ds peed, the
ve hicle could decelerat eunexpectedly. #
Take intoa ccount thet raffic situation
befor ecallin gupt hestored speed. #
Ifth es tore ds peed is no tknown, store
th ed esired speed again. Chang
eintoal owergear in good time on long
and steep downhill gradients. Take particular
no te ofthis when drivin galaden vehicle. By
doing so, youw ill mak euse of theb raking ef fect
of thee ngine. This relie vest he load on theb rake
sy stem and pr events theb rake sf romo verheat‐
ing and wearing tooq uickl y. Re
quirements:
Cruise control:
R Cruise control is selected.
R ESP ®
mus tbea ctivated, but no tinter vening.
R The driving speed mu stbe at leas t20k m/ h.
Va riable limiter:
R The vehicle has been star ted.
R The variable limiter is selec ted. Driving and parking
207
%
Ifyo up erform akickdown, thev ariable lim‐
iter is swit ched topassiv emode. The varia‐
ble limiter is operational again once the
speed drops belo wthe stored speed.
% Ifyo ub rake ,d eactivat eESP®
or if ESP ®
inter venes, cruise control is deacti vated. The
va riable limiter is no tdeactivated.
When yous wit ch offt he vehicle, thel ast
speed stored is cleared.
Pe rm anen tlimi ter
If th ev ehicle should ne vere xceed aspecific
speed (e.g. ford riving in winter tyr emode) ,you
can se tthis speed wit hthe permanent limiter.
Yo udot hisbylimiting thes peed toav alue
between 160k m/h and 240k m/h in them ulti‐
media sy stem (→ page209).
Shortl ybefor ethe se tspeed is reached, it
appear sinthe multifunction displa y.When you
confir mthe messag ewith%,d isplaymes‐
sages no longer appear until yous wit ch offt he
ve hicle. The speed will onl ybedisplayeda gain
onc ethe vehicle has been restar ted. The permanen
tlimiter does no tswitc htop as‐
siv em ode evendurin gkickdown and thed riven
speed remains belo wthe se tspeed.
Setting thes peed limitation forw inte rt yres
Multimedia sy stem:
, Vehicle .
î Vehicle settings .
Win-
ter tyres limit #
Select aspeed or deactivat ethe function. Ac
tiv eD ista nce Assis tDISTR ON IC Fu
nction of Activ eD ista nce Assist
DISTRO NIC
Ac tiveD ista nce Assi stDISTRONIC
R Maintains thes etspeed and accelera tesor
decelerates thev ehicle if thed istan ce from
th ev ehicle in front permits.
R Assists youinm aintainin gthe dis tance from
th ev ehicle in front and can bring your vehi‐
cle toas tandstil lifnecessar y.
R Brakes your vehicle wit hupto50%oft he
maximum possible braking po wer.If greater
decele ratio np erform ance is requ ired, avis‐ ual and acoustic
warning is given and you
mus tthen inter vene yourself.
R Vehicles with Drivin gAssistanc ePack‐
age, Activ eP arking Assis tand COMAND
Online: when driving in stop-s tart traf fic, the
driver is suppor tedbye xtended automatic
re -sta rt in traf ficj ams.
R Vehicles with Drivin gAssistanc ePack‐
age: responds tostationar yvehicles in urban
speed ranges (e xcep tb icycles, mo torcyc les
and pedestrians) if condition saresuf ficient
to enable de tection.
If yo uf ail toadap tyour driving style, Ac tiveD is‐
ta nce Assi stDISTRONI Ccan nei ther reduce the
ri sk of an accident nor override thel aws of ph ys‐
ics. It canno ttak ei ntoa ccount road, weather or
traf ficc onditions .Activ eDistan ce Assi st
DISTRONI Cisonly 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 lane.
If all activation condition saremet, youc an acti‐
va te ActiveD ista nce Assi stDISTRONI Cdurin ga
jou rney or while stationar y.When ActiveD is‐ Driving and pa
rking 209
ta
nce Assi stDISTRONI Cisactivated, as peed is
st ored whic hthe driver can increase or reduce
at an ytime. The speed can be adjus tedb etwe en
20 km/ hand 200 km/ h.
Ve hicles with theD riving Assistance Pack‐
age: thes peed can be adjus tedb etwe en
20 km/ hand 210k m/h.
Ve hicles with Drivin gAssistanc ePacka ge,
Ac tiv eP arking Assis tand COMAND Online:
up to30 seconds af ters topping, thev ehicle
automaticall yfollo wsthev ehicle ahead without
th ei nter ventio noft he driver .This is onl ypossi‐
ble if thev ehicle is tra velling on amotorway or a
high-speed major road. If an obs tacle is de tected
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 achin gthe obs tacle or take evasiv eaction.
Ve hicles with theD riving Assistance Pack‐
age: in conjunction wit hnavigatio nsystems,
Ac tiveD istan ce Assi stDISTRONI Cpreve nts pro‐
hibi tedo vertaking on ther ight at speeds over
80 km/hi nright-hand traf fica nd ove rtakin gon th
el eftinl eft-hand tra ffic on mo torw aysa nd
high-speed major roads.
Ac tiveD istan ce Assi stDISTRONI Cusesinforma‐
tio nfromt he navigation sy stem torespond to
cer tain traf fics ituations:
R Roundabouts
R T-junctions
R Motorw ay ex its
R Tollboo th
Even if thev ehicle in front lea vest he de tection
ra ng eint hese situations, ActiveD ista nce Assi st
DISTRONI Ctemporaril ymaintains thec urrent
driving speed and does no taccele rate.
If yo ua ctivat ethe tur nsignal indicator tochange
lanes, thev ehicle will accelerat emoreb riskly to
th es etspeed under thef ollowing conditions:
R ActiveD ista nce Assi stDISTRONI Cisactiva‐
te d.
R Ifth ed riving speed is higher than 70 km/h.
R Ifth ed rive ns peed drops belo wthe stored
speed. R
The sy stem cann otdetect av ehicle in ther el‐
ev ant area of theo vertaking lane.
Ve hicles with Drivin gAssistanc ePacka ge
and Traf ficS ign Assis t:Ac tiveD ista nce Assi st
DISTRONI Calsoh astheA ctiv eSpeed Limit
Assi stfunction. This function can be configu red
in them ultimedia sy stem. If achang eint he
speed limit is de tected and ActiveD ista nce
Assi stDISTRONI Cisactivated, Ac tiveD ista nce
Assi stDISTRONI Cassum esthis ne wspeed.
The driven speed is adap tedw hen thev ehicle is
le ve lw itht he tra ffic signs. In thec ase of signs
indicating entry intoanu rban area, thes peed is
adap tedb eforehand. The speed limit displa yin
th eI nstrument Displa yisalway su pdate dwhen
th ev ehicle is le velw itht he tra ffic sign.
If Ac tiveD ista nce Assi stDISTRONI Chasbeen
pu tint op assive mode bypressing thea ccelera‐
to rp edal, only spee dlimits which areh igher
th an thes etspeed ar eadop ted.
Pulling thec ruise control le verw ills et thed is‐
pla yeds peed limit as thes peed, pr ovided that:
R ActiveS peed Limi tAssisthas been activated
in them ultimedia sy stem and 210
Driving and pa rking