Page 209 of 585

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
Page 210 of 585

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
Page 211 of 585

#
Switc hbetwe en cruise control and variable
limiter 1.
R LIM indicator lamp 3off: cruise control
is selec ted.
R LIM indicator lamp 3on: thev ariable
limiter is selec ted. #
Storec urrent speed 4(once af ters tarting
th ev ehicle).
or #
Call up las tspeed stored 4. #
Deactivat ecruise contro lorvariable limiter
2. #
Press thel eve rbrief ly:t he stored speed is
increased 5orreduced 6by1k m/h.
or #
Press and hold thel eve r:thes tore ds peed is
increased 5orreduced
6 in1k m/ hincrements.
or #
Press thel eve rbeyo ndthep ressur epoint:
th es tore ds peed is increased 5orreduced
6 by10 km/h.
or #
Press and hol dthe le verb eyo ndthep ressure
point :the stored speed is increased 5or
re duced 6in10 km/h increments.
If cruise control or thev ariable limiter has been
deactivated, thec urrent speed is stored with 5
or 6.
% Onvehicles wit hasegment displa yinthe
speedome ter,th es egment sextending from
th ec urrent stored speed tothee nd of the
scale light up. If youh ave activated thep er‐
manen tlimiter and aspeed is stored, the
segments extending up tothes tore ds peed
light up. 208
Driving and parking
Page 212 of 585

%
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
Page 213 of 585

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
Page 214 of 585

R
ActiveD ista nce Assi stDISTRONI Chasbeen
acti vated.
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 youto
ch ang ethe driving styleofA ctiveDista nce
Assi stDISTRONIC. Depending on whic hdrive
program is selected ,the driving characteristics
can be geared towa rdsf uel econom y,comfor tor
dynami cperform anc e(→ pag e175).
Sy stem limitations
Ac tiveD ista nce Assi stDISTRONI Cisactive in
th e0k m/hto2 00 km/h spee drange.
Ve hicles with theD riving Assistance Pack‐
age: ActiveD ista nce Assi stDISTRONI Cisactive
in the0k m/hto2 10km/h spee drange.
Th es ystem ma ybeimpaired or ma ynotfunction
in thef ollowing ins tances, fore xamp le:
R In sn ow,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatlyvarying
light conditions. R
The windsc reen in thea reaoft he camer ais
dirty ,miste du p, damaged or co vered.
R Ifth er adar senso rsared irty or co vered.
R On slipper yroads, braking or accelerating
can cause thed rive wheels tolose traction
and thev ehicle could then skid.
R In multi-s toreyc ar par ks,toll stations or on
ro ads wit hsteep uphill or downhill gradients.
Do no tuse ActiveD ista nce Assi stDISTRONI Cin
th ese situations.
Tips
Pa yp articula rattention in thef ollowing traf fic
situations. In suc hsituations, brak eifnecessar y.
Ac tiveD ista nce Assi stDISTRONI Cisthen deacti‐
va ted:
R When cornering, entering and exitin gab end.
R When no tdrivin gint he centre ofthel ane.
R When other vehicles ar echanging lane.
R Ifth er ea renar rowv ehicles.
R Ifth er ea reobs tacle sand stationar yvehi‐
cles. R
Ifth er ea recrossing vehicles, pedestrians,
mo torcyc lists or cyclists.
Displa yofActive Distance Assis tDISTRONIC
in the assistanc egraphic and in thes peed‐
ome ter 1
Vehicle ahead
2 Distance indica tor
3 Setspecifie ddista nce
4 Own vehicle Driving and parking
211
Page 215 of 585

1
Spee dofv ehicle ahead
2 Stored speed
Displa ysinthem ultifunction display
When activatin gActiv eDista nce Assi st
DISTRONI Corwhenc hanging thes tore ds peed,
th en ew stored speed is shown fora round five
seconds in them ultifunction display ç
70 km/h.
When ActiveD ista nce Assi stDISTRONI Cis
acti ve,the se tstore ds peed is displa yedn extto
the ç symbol. When dis tance control is
acti ve,the symbol is shown in green.
Ve hicles with theD riving Assistance Pack‐
age: on mo torw aysorh igh-speed major roads the
ç symbol is displa yedc yclicall ywhen the
ve hicle is ready topull away.
Ve hicles with Activ eS peed Limit Assi st:if a
spee dlim it is au tomatical lyadop ted, this is
shown as thes tore ds peed wit hthe ê sym‐
bol.
Operating Activ eD ista nce Assis tDISTRONIC &
WARNING Risk of accident if thed etec‐
tio nf unction of ActiveD ista nce Assi st
DISTRONI Cisimpaired
Ac tiveD ista nce Assi stDISTRONI Cdoesn ot
re act:
R Topeople or animals.
R Tostationar yobstacles on ther oad, e.g.
st opped or par kedv ehicles (vehicles with‐
out theD riving Assis tance Package).
R Tostationar 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). R
Tooncoming vehicles and crossing traf‐
fi c.
Ac tiveD ista nce Assi stDISTRONI Ccan nei‐
th er giv ewarning snor inter vene in su chsit‐
uations. #
Alw aysc arefully obser vethet raffic con‐
dition sand be ready tobrak eata ll
times. &
WARNING Risk of accident du etolimi‐
te dd etectability of road user sand traf fic
situations
Ac tiveD ista nce Assi stDISTRONI Ccannot
al wa ys clear lyidentify other road user sand
comple xtraf fics ituations.
In these conditions ,Activ eDista nce Assi st
DISTRONI Cmay:
R Give an unnecessar ywarning and then
brak ethe vehicle.
R Neither giv eawarning nor inter vene.
R Accelerat eorbrake unexpectedly. 212
Driving and pa rking
Page 216 of 585

#
Continue drivin gwithc area nd be ready
to brake, particular lyifAc tiveD ista nce
Assi stDISTRONI Cwarns you. &
WARNING Risk of accident from acceler‐
ation or braking byActiveD ista nce
Assi stDISTRONIC
Ac tiveD ista nce Assi stDISTRONI Cmayaccel‐
erat eorb rake inthef ollowing cases, for
ex ample:
R Ifth ev ehicle pulls away usin gActiv eDis‐
ta nce Assi stDISTRONIC.
R Ifth es tore ds peed is called up and is
considerabl yfasterors lowe rthan the
cur rently driven speed.
R IfAc tiveD ista nce Assi stDISTRONI Cno
longer de tects avehicle in front or does
no treact toreleva nt objects. #
Alw aysc arefully obser vethet raffic con‐
dition sand be ready tobrak eata ll
times. #
Take intoa ccount thet raffic situation
befor ecallin gupt hestored speed. &
WARNING Risk of accident du etoinsuf‐
fi cient decele ratio nbyA ctiveDista nce
Assi stDISTRONIC
Ac tiveD ista nce Assi stDISTRONI Cbrakes
yo ur vehicle wit hupto50%oft he maximum
possible deceleration. If this decele ratio nis
no ts ufficient, ActiveD ista nce Assi st
DISTRONI Calertsy ou wit havisual and
acoustic warning. #
Inthese cases, adjus tyour speed and
ke ep asufficient di stance. #
Brak ethe vehicle yourself and/or take
ev asiv eaction. &
WARNING Risk of accident du etoActive
Dis tance Assi stDISTRONI Cstillb eing
activated when youl eave thed rive r's
seat
If yo ul eave thed rive r's seat while thev ehicle
is being braked byActiveD ista nce Assi st
DISTRONI Conly,the vehicle can rollaw ay. #
Alw aysd eactivat eActiv eDista nce
Assi stDISTRONI Cand secur ethe vehi‐
cle topreve nt it from rolling away
befor eyou lea vethed rive r's seat. Re
quirements:
R The vehicle has been star ted.
R The elect ricp arkin gb rake isreleased.
R ActiveP arking Assis tisnotbeing used to
par kthe vehicle or toexit from aparking
space.
R ESP ®
is activated, but is no tinter vening.
R The transmission is in position h.
R The driver' sdoor,front passenger door and
th er ear door sareclosed.
R The bonne tisclosed. Drivin
gand parking 213