Page 209 of 457

#
T Too per
oo per at atecr
ecr uise contr
uise contr ol or t
ol or the v
he var
ariable lim-
iable lim-
it
it er:
er: press ther ockers witc hont he steering
whee lcontrol unit up or down tothed esired
position.
Switc
Switc hing be
hing be tw
tw een cr
een cr uise contr
uise contr ol and t
ol and the v
he var
aria-
ia-
ble limit
ble limit er
er #
T
Tos elect cr
os elect cr uise contr
uise contr ol:
ol:select hwiththe
ri ght rock er switch. #
T
T os elect t
os elect t he v
he var
ariable limit
iable limit er:
er:select Èwith
th er ight rock er switch.
% Vehicles wit hActiv eDistance Assist
DISTRONIC: thev ariable limi teriss elected by
ad i.erent but ton( /pag e209).
A
A ctiv
ctiv ating cr
ating cr uisec ontr
uis ec ontrol or t ol or t he v
he var
ariable limit
iable limit er
er #
Press rock er switch 1upM or down
N.
The cur rent vehicle speed is stored and the
ve hicle main tains this speed (cruise control) or
does no texceed it (variable limiter).
or #
Select Jwiththe leT rock er switch.
The last stored speed is called up and the
ve hicle main tains this speed (cruise control) or
does no texceed it (variable limiter).
If th el ast stored speed has pr eviousl ybeen
dele ted, thec urrent vehicle speed is stored.
% When yous witc ho.the vehicle, thel ast
speed stored is dele ted.
When youa ctivat ecruise control or Active
Distance Assist DISTRONIC, thel ast speed
stored fort he variable limi terisd eleted. Incr Incr
easing/decr
easing/decr easing t
easing the st
he stor
ored speed
ed speed #
1km/h: press roc kers witch 1upM or
down Ntothep ressur epoint, or press and
hold (increments of 1km/h).
or #
10 km/h: press rock er switch 1upM or
down Nbeyond thep ressur epoint, or
press and hold (increments of 10 km/h).
or #
Accelerat ethe vehicle tothed esired speed
and press rock er switch 1upM.
A
A dop
dop ting adet
ting adetect
ect ed speed
ed speed #
Activat ecruise control or thev ariable limi ter. #
Ifat ra1c sign has been de tected and is dis-
pla yedint he inst rument clus ter: select J
wit hthe leT rock er switch.
The maximum permissible speed shown bythe
tra1 csigniss tore da nd thev ehiclem aintains
or does no texceed this speed.
Deactiv
Deactiv ating cr
ating cr uise contr
uise contr ol or t
ol or the v
he var
ariable limit
iable limit er
er #
Select Owiththe leT rock er switch. 206
206
Driving and parking
Page 210 of 457

%
Ifyo ub rake ,d eactivat eESP®
or if ESP ®
inter-
ve nes, cruis econt rolisd eactivated. The varia-
ble limi terisn otdeactivated.
Inf
Inf or
ormation on t
mation on t he per
he per manent limit
manent limit er
er
If th ev ehicles hould ne vere xceed aspeci/c
speed (e.g. ford riving in winter tyr emode), you
can se tthis spee dwitht he permanent limi ter.
Yo udot hisbylimiting thes peed between
160 km/h and 240 km/h in them ultimedia sys-
te m( /pag e207).
If yo ul imit thes peed toav alue abo vethev ehi-
cle' sm aximum speed whic hcan be driven or
maximum desig nspeed, thep ermanent limiter
has no e.ect.
Shortl ybefor ethe se tspeed is reached, it
appear sinthe Inst rument Displa y.When youc on-
/r mt he message, displa ymessages no longer
appear until yous witc ho.the vehicle. The speed
will onl ybedisplaye dagain once thev ehicleh as
been restar tedorift he setspeed is changed.
The permanent limi terd oes no tswitc htop assive
mode even during kickdown and thed rive ns peed
re mains belo wthe se tspeed. Se
Se tting t
tting t he limit speed f
he limit speed f or wint
or winter tyr
er tyres
es
Multimedia system:
4 © 5
Settings 5
Vehicle
5 Winter tyres limit #
Select aspeed or deactivat ethe function. A
A
ctiv
ctiv eDist
eD istance Assis
ance AssistD IS
tD ISTR
TR ONIC
ONIC F F
unction of A
unction of A ctiv ctiveDist
eD istance Assis
ance AssistD IS
tD ISTR
TR ONIC
ONIC
Ac tiveD istance Assist DISTRONI Cmaintains the
se ts peed on free-0owing roads. If vehicles in
front ar edetected, thes etdistance is maintained,
if necessar y,until thev ehiclec omestoah alt. The
ve hicle accelerates or brakes dependin gonthe
distance tothev ehicleinf ront and thes etspeed.
The speed (from 20 km/h) and thed istance to
th ev ehicleinf ront ar esetand sa vedont he steer-
ing wheel.
The adjustable se tspeed can vary due tothef ol-
lowing factors:
R Driv eprogram selected ;(/page167)
R Stored limit speed (e.g. winter tyr elimit)
(/ page207) Other
features of ActiveD istance Assist
DISTRONIC:
R Adjusts thed riving style depending on the
selected driv eprogram (energy-saving, com-
fo rtable or dynamic) (/ page167)
R Initiates acceleratio ntothe stored spee difthe
tur ns igna lindica toriss witched on tochange
to theo vertaking lane
R V
Vehicle swit
ehicle swithDr
hDr iving Assist
iving Assist ance P
ance Pack
ackag
age:
e:
- Reacts tostationa ryvehicles de tected in
urban speed ranges (e xcep tb icycles and
mo torc yc les)
- Take so ne-sided overtaking restrictions
int oa ccou nt on mo torw aysoronm ulti-
lane roads wit hseparat ecarriag ewa ys
(countr y-dependent)
V
V ehicles wit
ehicles wit hDr
hDriving Assist
iving Assist ance P
ance Pack
ackag
agea nd
ea nd
P
P ar
ar king P
king P ack
ackag
age:
e: ifth ev ehicleh as been braked to
as tandstil lonm ulti-lane, separat ecarriag ew ays
by ActiveD istance Assist DISTRONIC, it can auto-
matical lyfollo wt he vehicle in front when driving
o. again within 30 seconds. If acritical situation
is de tected when driving o., avisual and acoustic Driving and parking
207
207
Page 211 of 457

wa
rning is given indicating that thed rive rm ust
no wt akec ont roloft hevehicle. The vehicle is not
accelerated an yfurther.
A
A ctiv
ctiv eDist
eD istance Assis
ance Assis tDIS
tD ISTR
TR ONIC displ ay
ONIC display sint
sinthe
he
Ins
Ins tr
trument Display
ument Display Assis
tance graphic
1 Route-based speed adap tation: type of route
ev ent (/ page212)
2 Vehicle in front
3 Distance indicator
4 Setspeci/ed distance P
P
er
er manent st
manent st atus displa
atus displa yofA
yofActiv
ctiveDist
eD istance
ance
Assis
AssistD IS
tD ISTR
TR ONIC
ONIC
R k (white): ActiveD istance Assist
DISTRONI Cselected, speci/e ddistance set
R k (whitevehicle, green speedome ter):
Ac tiveD istance Assist DISTRONI Cactive,
speci/ed dis tance se tand vehicle de tected
R k (gre en): ActiveD istance Assist
DISTRONI Cactive,s peci/ed dis tance se tand
ve hicle de tected
R r:R oute-based speed adap tation acti ve
( / pag e212).
The stored speed is shown along wit hthe perma-
nent status displa yand highlighted on thes peed-
ome ter. When ActiveD istance Assist DISTRONIC
is passive, thes peed is grey ed out.
% On mo torw aysorh igh-speed major roads, the
gr een ç vehicle symbol is displ ayedcycli-
call ywhen thev ehicleisr eadytopull away.
% Ifyo ud epress thea ccelerator pedal be yond
th es etting of theA ctiv eDistance Assist
DISTRONIC, thes ystemiss witched topassive mode. The
çsuspended message
appear sinthe Inst rument Displa y.
Displa
Displa yont
yonthe speedomet
he speedomet er
er
The stored speed is highlighted on thes peedome-
te r. Ifth es peed of thev ehicleinf ront or the
speed adjustment fort he routee vent ahead is
less than thes tore ds peed, thes egments in the
speedome terl ight up. The Instrument Display
sho ws th edeactivation of ActiveD istance Assist
DISTRONIC, as well as alterations tothes peed
due tomanual or automatic adoption of them axi-
mum permissible speed.
Syst Syst em limits
em limits
The system ma ybeimpaired or ma ynotfunction
in thef ollowing situations, fore xamp le:
R In sno w,rain, fog, heavy spr ay,ift her eisg lare,
in direct sunlight or in greatl yvarying light
conditions.
R The windscreen in thea reaoft he came rais
dirty ,misted up, damaged or co vered.
R Ifth er adar senso rsared irty or co vered.
R In multi-s tore yc ar par ksor on roads with
steep uphil lordownhil lgradients. 208
208
Driving and parking
Page 212 of 457

R
Ifth er ea renar rowv ehicles in front, suc has
bicycles or mo torc yc les.
In addition, on slipper yroads, braking or acceler-
ating can cause one or se veralw heels tolose
traction and thev ehiclec ouldthen skid.
Do no tuse ActiveD istance Assist DISTRONI Cin
th ese situations. &
W
WARNING
ARNING Risk of accident from accelera-
tion or braking byActiveD istance Assist
DISTRONIC
Ac tiveD istance Assist DISTRONI Cmayaccel-
erat eorb rake inthef ollowing cases, for
ex ample:
R Ifth ev ehiclep ullsa wayu singA ctiv eDis-
ta nce Assist DISTRONIC.
R Ifth es tore ds peed is called up and is con-
siderabl yfaster or slo werthan thec ur-
re ntl yd rive ns peed.
R IfAc tiveD istance Assist DISTRONI Cno
longer de tects avehicleinf ront or does
no treact toreleva nt objects. #
Alwaysc arefull yobser vethet ra1c con-
ditions and be ready tobrak eata ll
times. #
Take intoa ccount thet ra1c situation
befor ecalling up thes tore ds peed. &
W
WARNING
ARNING Risk of accident due toinsu1-
cient deceleration byActiveD istance
Assist DISTRONIC
Ac tiveD istance Assist DISTRONI Cbrake sy our
ve hicle with up to50% of thep ossible deceler-
ation. If this deceleration is no tsu1cient,
Ac tiveD istance Assist DISTRONI Calerts you
wit hav isual and acoustic warning. #
Adjust your speed and maintain asuita-
ble distance from thev ehicleinf ront. #
Brak ethe vehicle yourself and/or take
ev asiv eaction. &
W
WARNING
ARNING Risk of acciden tifdetection
function of ActiveD istance Assist
DISTRONI Cisimpaired
Ac tiveD istance Assist DISTRONI Cdoes not
re act or has alimi tedr eaction:
R when driving on adi.erent lane or when
ch anging lanes
R topedest rians, animals, bicycles or sta-
tionar yvehicles, or unexpecte dobstacles
R tocomple xtra1c conditions
R tooncoming vehicles and crossin gtra1c
As aresult, ActiveD istance Assist DISTRONIC
ma yneither giv ewarnings nor inter vene in
suc hsituations. #
Alwayso bser vethet ra1c conditions
carefull yand react accordingl y. Oper
Oper
ating A
ating A ctiv
ctiveDist
eD istance Assis
ance Assis tDIS
tD ISTR
TR ONIC
ONIC
R
R eq
eq uir
uir ements:
ements:
R The electric parking brak eisreleased.
R ESP ®
is activated and is no tinter vening. Driving and parking
209
209
Page 213 of 457

R
The transmissio nisinpositionh.
R The driver's doo risclosed.
R Che ckofther adar senso rsystemh as been
successfull ycomple ted.
R Parking Assist PARKTRONIC is no tbeing used
to par kthe vehicle or toexit from aparking
space. #
T
T oo per
oo per at
ateA
eA ctiv
ctiv eDist
eD istance Assis
ance Assist t
DIS
DIS TR
TRONIC:
ONIC: pressther ockers witches on the
stee ring wheel cont rolu nit up or down tothe
desired position.
Switc
Switc hing be
hing be tw
tween A
een A ctiv
ctiveDist
eD istance Assis
ance Assist t
DIS
DIS TR
TRONIC and t
ONIC and t he limit
he limiter
er #
Press theI button.
A A ctiv ctiv ating t
ating t he v
he var
ariable limit
iable limit er or A
er or Activ
ctiv eDist
eD istance
ance
Assis
AssistD IS
tD ISTR
TR ONIC
ONIC #
T
T oa ctiv
oa ctiv at
atew it
ew ithout ast
hout astor
ored speed:
ed speed: press
ro ck er switch 1upM or down N,or
select Jwiththe leT rock er switch.
or #
T
T oa ctiv
oa ctiv at
atew it
ew ithast
hast or
ored speed:
ed speed: selectJ
wit hthe leT rock er switch. #
A
A ctiv
ctiv eDist
eD istance Assis
ance AssistD IS
tD ISTR
TR ONIC:
ONIC: remo ve
yo ur foot from thea ccelerator pedal.
The cur rent vehicle speed is stored and main-
ta ined (Activ eDistance Assist DISTRONIC) or
limited (variable limiter) bythev ehicle.
A
A dop
dop ting adet
tin gad etect
ect ed speed limit
ed speed limit #
Activat eActiv eDistance Assist DISTRONIC. #
Ifat ra1c sign has been de tected and is dis-
pla yedint he inst rument clus ter: select J
wit hthe leT rock er switch.
The maximum permissible speed on thet ra1c
sign is adop tedast he stored speed. The vehi-
cle adapts its speed tothat of thev ehiclein
front ,but onl yuptot he stored speed.
Pulling awa
Pulling awaywit
yw ithA
hA ctiv
ctiv eDist
eD istance Assi st
ance Assi st
DIS
DIS TR
TRONIC
ONIC #
Activat eActiv eDistance Assist DISTRONIC
and remo ve yo urfoot from theb rake pedal. #
Select Jwiththe leT rock er switch.
or #
Depress thea ccelerator pedal brie0y and
/rml y.
The functions of ActiveD istance Assist
DISTRONI Ccontinue tobe car ried out.
Deactiv
Deactiv ating A
ating Activ
ctiv eDist
eD istance Assis
ance AssistD IS
tD ISTR
TR ONIC
ONIC 210
210
Driving and parking
Page 214 of 457

&
W
W ARNI NG
ARNI NGRisk of an accident due to
Ac tiveD istance Assist DISTRONI Cbeing
acti vewhen youl eave thed rive r's seat
If yo ul eave thed rive r's seat while thev ehicle
is being braked byActiveD istance Assist
DISTRONI Conly, thev ehiclec anrollaw ay. #
Alwaysd eacti vate Ac tiveD istance Assist
DISTRONI Cand secur ethe vehicle to
pr ev ent it from rolling awaybefor eyou
lea vethed rive r's seat. #
Select Owiththe leT rock er switch.
% Ifyo ub rake ,d eactivat eESP®
or if ESP ®
inter-
ve nes, ActiveD istance Assist DISTRONI Cis
deactivated.
Incr
Incr easing/decr
easing/decr easing t
easing the st
he stor
ored speed
ed speed #
1km/h: press roc kers witch 1upM or
down Ntothep ressur epoint, or press and
hold (increments of 1km/h).
or #
10 km/h: press rock er switch 1upM or
down Nbeyond thep ressur epoint, or
press and hold (increments of 10 km/h).
or #
Accelerat ethe vehicle tothed esired speed
and press rock er switch 1upM.
Changing t
Changing t he
hespeci/ed
speci/ed dist
distance t
ance t ot
othe v
he v ehicle in
ehicle in
fr
fr ont
ont #
T
Tor
or educe t
educe t he
hespeci/ed
speci/ed dist
distance:
ance: pressthe
ri ght rock er switc hup(Ñ). #
T Toi ncr
oi ncr ease t ease t he
hespeci/ed
speci/ed dist
distance:
ance: pressthe
ri ght rock er switc hdown(Ò ).
F
F unction of A
unction of A ctiv
ctiveSpeed Limit Assist
eS peed Limit Assist
If ac hang eint he spee dlimit of 20 km/h or more
is de tected and automatic adoption of speed lim-
its is activated, then ew speed limit is automati-
call yadop tedast he stored spee d(/ pag e224).
The driven speed is adjusted when thev ehicleis
le ve lw itht he tra1c sign at thel atest. In thec ase
of signs indicating entr yintoanu rban area, the
speed is adap teda ccording tothes peed permit-
te dw ithin theu rban area. The speed limit display in
theI nstrument Displa yisalway su pdated when
th ev ehicleisl evelwitht he tra1c sign.
If th er eisnos peedrestriction on an unlimited
str etch ofroad (e.g .onam otor wa y), ther ecom-
mended speed is automaticall yadop tedast he
stored speed. The system use sthe spee dstored
on an unlimited str etch ofroad as ther ecommen-
ded speed.Ify ou do notalter thes tore ds peed on
an unlimited str etch ofroad, ther ecommended
speed is 130 km/h.
If Ac tiveD istance Assist DISTRONI Chas been put
int op assiv emode bypressing thea ccelerator
pedal, onl yspeed limits whic harehigher than the
se ts peed ar eadop ted.
Obser vethen otes on driving systems and your
re sponsibility ;you ma yotherwise failto recognise
danger s(/pag e196).
Syst Syst em limits
em limits
The system limit sofTra1c Sign Assis tappl yto
th ed etection of tra1c signs (/ page222).
Speed limit sbelo w20k m/h ar enotautomatical ly
adop tedbyt he system as thes tore ds peed. Tem-
porar yspeed restriction s(e.g. forac ertain time
or due towe ather conditions) cann otbe proper ly Driving and parking
211
211
Page 215 of 457

de
tected bythes ystem. The maximum permissi-
ble speed applying toav ehiclew ithat railer is not
de tected bythes ystem.
Ad just thes peed in these situations. &
W
WARNING
ARNING Risk of accident due toActive
Speed Limit Assist ada pting thev ehicle's
speed
The spee dadop tedbyA ctiveSpeed Limit
Assist ma ybetoo high or incor rect in some
individual cases, suc has:
R at speed limit sbelo w2 0km/h
R inwe tconditions or in fog
R when towing atrailer #
Ensur ethat thed rive ns peed complies
wit htra1c regulations. #
Adjust thed riving speed tosuit cur rent
tra1c and weather conditions. F F
unction of r
unction of r out
oute-based speed adapt
e-based speed adapt ation
ation
When ActiveD istance Assist DISTRONI Cisactiva-
te d, thev ehicles peed will be adap teda ccordingly
to ther out eevents ahead. Depending on thed rive prog
rams elected, thev ehiclen egotiates aroute
ev ent ahead in an economical, comfor table or
dynamic manner .When ther out eevent has been
passed, thev ehiclea ccelerates again tothe
stored speed. Th esetdistance tothev ehiclein
front ,vehicles de tected ahead and speed restric-
tion sahead aret aken in toaccount.
Yo uc an activat eand deactivat eroute-based
speed adap tation in them ultimedia system
(/ page213).
The following routee vents are take ni ntoa ccount:
R Bends
R T-junctions, roundabouts and toll stations
R Turnsa nd exits
R Tra1c jams ahead (onl ywithL iveT ra1c Infor-
matio n)
% When thet oll station is reached, ActiveD is-
ta nce Assist DISTRONIC ado ptst he spee das
th es tore ds peed.
Also, thes peed is reduced if thet urns ignal indi-
cator tochang elane siss witched on and one of
th ef ollowing situation sisdetected:
R Turning o. at junctions R
Driving on slowing-down lanes
R Driving on lanes adjacent toslowing-down
lanes
The driver is responsible forc hoosing ther ight
speed and observing other road users. This
applies in particular tojunctions, roundabouts and
tra1c lights, as route-based speed adap tation
does no tbrake thev ehicletoa standstill.
When routeg uidance is active, the/ rsts peed
adjustmen tiscarried out automaticall y.Ifth et urn
signal indicator is switched on, thes elected route
is con/rmed and fur ther speed adjustmen tisacti-
va ted.
Speed adap tation is cancelled in thef ollowing
cases:
R Ifth et urns ignal indicator is switched o.
befor ethe routee vent.
R Ifth ed rive rd epresses thea ccelerator or
brak epedal during thep rocess.
Syst
Syst em limits em limits
Ro ute-based speed adap tation does no ttak er ight
of wa yregulation sintoa ccount. The driver is 212
212
Driving and parking
Page 216 of 457

re
sponsible forc omplying wit hroad tra1c regula-
tions and driving at asuitabl espeed.
The speed ada ptation made bythes ystemm ay
no ta lway sbes uitable, particular lyin thef ollowing
situations:
R ther oad's course no tclear lyvisible
R road nar rowing
R varying maximum permissible speeds in indi-
vidual lanes, fore xamp le attoll stations
R wetroad sur faces, sno worice
In these situations thed rive rm ust inter vene
accordingly. &
W
WARNI NG
ARNI NGRisk of accident in spi teof
ro ute-based speed adap tation
Ro ute-based speed adap tation can malfunc-
tion or be temp oraril yunavailable in thef ol-
lowing situations:
R Ifth ed rive rd oes no tfollo wthe calculated
ro ute
R If map dat aisnotup-to-dat eoravailable R
Inthee vent of roadwor ks
R In bad weather or road conditions
R Ifth ea ccelerator pedal is depressed
R Inthee vent of electronicall ydispla yed
speed limi tations #
Adaptthe spee dtothe tra1c situation. Se
Se
ttin gr
tting r out
oute-based speed adapt
e-based speed adapt ation
ation
R
R eq
eq uir
uir ements:
ements:
R ActiveD istance Assist DISTRONI Cisactiva-
te d.
R ECOA ssist is active.
Multimedi asystem:
4 © 5
Settings 5
Assistance
5 Route-based speed adapt. #
Activat eord eactivat ethe function.
When thef unction is active, thev ehicles peed
is adjusted dependin gontheroutee vents
ahead.
% Further informatio nonthe route-based speed
adap tation (/ page212). A
A
ctiv
ctiv eSt
eSt eer
eering Assist
ing Assist F
F
unction of A
unction of A ctiv
ctiveSt
eSt eer
eering Assist
ing Assist
The system helps youtos tayint he cent reofthe
lane bymeans of moderat esteering inter ventions.
Depending on thes peed driven, ActiveS teering
Assist uses thev ehicles aheada nd lane markings
as areference.
% Depending on thec ountr y,in thel owe rspeed
ra ng eA ctiv eSteering Assist can use thes ur-
ro unding tra1c as areference. If necessar y,
Ac tiveS teering Assist can then also pr ovide
assistance when driving outside thec entr eof
th el ane, fore xamp le,toform arescue lane.
If th ed etection of lane markings and vehicles
ahead is impaired, ActiveS teering Assist switches
to passiv emode. The system pr ovides no support
in this case.
St
St atus displa
atus displa yofA
yo fActiv
ctiv eSt
eSt eer
eering Assis
ing Assistint tinthe
he
Ins
Instr trument Display
ument Display
R Ø (gre y): acti vateda nd passive
R Ø (gre en): activated and active
R Ø (red): system limits de tected Driving and parking
213
213