F
F
unctions of ABS
unctions of ABS The Anti-loc
kBrake System (ABS) regula test he
brak epressur einc ritical driving situations:
R During braking, fori nstance, at maximum full-
stop braking or if ther eisi nsu1cient tyr etrac-
tion, thew heels ar epreve nted from locking.
R Vehicle steerability while braking is ensu red.
If ABS inter venes when braking, youw illfeel a
pulsing in theb rake pedal. The pulsating brake
pedal can be an indication of hazardous road con-
dition sand can ser veas areminder totake extra
car ew hile driving.
Syst
Syst em limits
em limits
R ABS is acti vefrom speed sofapprox. 5km/ h.
R ABS ma ybeimpaire dorm aynotfunctio nifa
malfunction ha soccur reda nd they ellow !
ABS warning lam plights up continuousl yaTer
th ev ehicleiss tarted. F
F
unction of B
unction of B AS
AS &
W
WARNING
ARNING Risk of an accident caused by a
malfunction in BAS(Brak eAssist System)
If BAS is malfunctioning, theb raking distance
in an emer gency braking situatio nis
increased. #
Dep ress theb rake pedal wit hfull forc ein
emer gency braking situations. ABS pre-
ve nts thew heels from locking. The Brak
eAssist System (BAS) supports your
emer gency braking situatio nwitha dditional brake
fo rc e.
If yo ud epress theb rake pedal quickl y,BAS is
activated:
R BAS automaticall yboosts theb rake pressure.
R BAS can shor tent he brakin gdistance.
R ABS pr events thew heels from locking.
The brakes will function as usual once your elease
th eb rake pedal. BASis deactivated. F
F
unctions of ESP
unctions of ESP ®
® &
W
WARNING
ARNING Risk of skidding if ESP ®
is
deactivated
If yo ud eactivat eESP®
,E SP ®
canno tcarry out
ve hicle stabilisation. #
ESP ®
should onl ybedeactivated in the
fo llowing situations. The Electronic
Stability Prog ram( ESP ®
)c an moni-
to ra nd impr oved riving stability and traction in
th ef ollowing situation swithin ph ysical limits:
R When pulling awayonw etor slipper ycarriage-
ways.
R When braking.
If th ev ehicled eviates from thed irection desired
by thed rive r,ESP ®
can stabilise thev ehicleby
inter vening in thef ollowing ways:
R One or mor ewheels ar ebrake d.
R The driv eoutput is adap teda ccording tothe
situation. 198
198
Driving and parking
ESP
®
is deactivated if theå ESP®
OFF warn-
ing lam plights up continuousl yinthe inst rument
cluster.
Obser vethef ollowing points when ESP ®
is deacti-
va ted:
R Driving stability will no longer be impr oved.
R The driv ewheels could spin.
R ETS/4ET Straction control is still active.
% When ESP ®
is deactivated, youa restill assis-
te dbyE SP®
when braking.
If the ÷ ESP®
wa rning lam p0ashes in the
inst rument clus ter,one or se veralw heels has
re ached its grip limit:
R Adaptthe drivin gstyle tosuit thep reva iling
ro ad and weather conditions.
R Do no tdeactivat eESP®
under an ycircums tan-
ces.
R Onlydepress thea ccelerator pedal as farasis
necessar y. It ma
ybeb esttod eactivat eESP®
in thef ollowing
situations:
R When using sno wchains.
R In deep sno w.
R On sand or grav el.
% Spinning thew heels result sinac utting
action ,whic he nhances traction.
If the ÷ ESP®
wa rning lam plights up continu-
ousl y,ESP ®
is no tavailabl eduetoam alfunction.
Obser vethef ollowing information:
R Warning and indicator lamps (/ page407)
R Displa ymessage s(/ pag e358)
ET
ET S/4ET S/4ET S(Electr
S( Electr onicTr
onic Tractio nSyst
actio nSystem)
em)
ETS/4ET Stractio ncont rolisp artofE SP®
and
makes it possible topull awayand accelerat eona
slipper ycarriag ewa y.
ETS/4ET Scan impr ovethev ehicle's traction by
inter vening in thef ollowing ways:
R The driv ewheels ar ebrake di ndividuall yifthey
spin. R
Mor edrive torque is tr ansferredtot he wheel
or wheels wit htraction.
In0uence
In0uence of dr
of driv
ivepr
epr ogr
ograms on ESP
ams on ESP ®
®
The driv eprog rams enable ESP ®
to adap ttod if-
fe re nt we ather and road conditions as well as the
driver's prefer redd riving style. Dependin gonthe
selected driv eprogram, thea ppropriat eESP®
mode will be activated. Youc an select thed rive
prog rams using theD YNAMIC SELECT switch
(/ page168). F
F
unction of ESP
unction of ESP ®
®
Cr
Cr osswind Assist
osswind Assist ESP
®
Crosswind Assist de tects sudden gusts of
side wind and helps thed rive rtok eepthev ehicle
in thel ane:
R ESP ®
Crosswind Assist is activ eatvehicle
speeds abo veappr ox.8 0k m/h whend riving
straigh tahead or cornering slightl y.
R The vehicle is stabilised bymeans of individual
brak eapplication on one side. Drivin
gand parking
199
199
A
A
ctiv
ctiv ating/deactiv
ating/deactiv atingt
atin gthe HOL Dfunction
he HOL Dfunction &
W
W ARNING
ARNING Risk of an acciden tdue tothe
HOLD function being activ ewheny ou
lea vethev ehicle
If th ev ehicleiso nlyb rake dw itht he HOLD
function it could, in thef ollowing situations,
ro llawa y:
R Ifth er eisam alfunction in thes ystemorin
th ep owe rsuppl y.
R Ifth eH OLD function is deactivated by
depressing thea ccelerator pedal or brake
pedal, e.g. byavehicleo ccupant. #
Alwayss ecur ethe vehicle agains trolling
awa ybefor eyou lea veit. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is stationar y.
R The driver's doo risclosed or thes eat belt on
th ed rive r's side is fastened.
R Thev ehicleh as been star ted.
R The electric parking brak eisreleased. R
ActiveD istance Assist DISTRONI Cisdeactiva-
te d.
R The transmission is in position h,kori.
A
A ctiv
ctiv ating t
ating t he HOLD function
he HOLD function #
Depress theb rake pedal, and aTer ashort
time quickl ydepress fur ther until theë
displa yappear sinthe Inst rument Displa y. #
Release theb rake pedal.
Deactiv
Deactiv ating t
ating the HOLD function
he HOLD function #
Depress thea ccelerator pedal topull away.
or #
Depress theb rake pedal until theë display
disappear sfromt he Inst rument Displa y.
The HOLD function is deactivated in thef ollowing
situations:
R ActiveD istance Assist DISTRONI Cisactiva-
te d.
R The transmission is shiTed toposition j.
R The vehicle is secured wit hthe electric par k-
ing brake. In
thef ollowing situations, thev ehicleish eldby
transmission position jand/or bythee lectric
parking brake:
R The seat belt is unfastened and thed rive r's
door is opened.
R The vehicle is switched o..
R Ther eisas ystemm alfunction.
R The po wersuppl yisi nsu1cient. F F
unction of t
unction of t he int
he intellig
ellig ent cr aw
ent cr awler mode
ler mode The intelligent cr
awler mode assists youw hen
pulling away,m anoeuvring and parking on uphill
or downhil linclines. When theb rake pedal is
re leased, thev ehicler olls inthed irection of the
engaged transmission position. The cr awler tor-
qu eisa daptedtot he uphill incline.
In recuperation le velhà (/ pag e165) the
intelligent cr awler mode also assists youupto
speeds of appr oximatel y20k m/h, byfollowing
th ev ehicleinf ront at appr oximatel ythe same
speed. Drivin
gand parking
201
201
The intelli
gent cr awler mode is onl yanaid. The
driver is responsible form aintaining asu1cient
distance tothev ehicleinf ront.
Syst
Syst em limits
em limits
The intelli gent cr awler mode does no tautomati-
call ystopt he vehicle if thev ehicleinf ront stops.
Bring thev ehicletoa standstillusin gthe brake
pedal. F
F
unction of Hill St
unction of Hill Star
artA ssist
tA ssist Hil
lStart Assis tholds thev ehiclef oras hor ttime
when pulling awayona hill under thef ollowing
conditions:
R The transmission is in position hork.
R The electric parking brak eisreleased.
This gives youe nough time tomo veyour foot
from theb rake pedal tothea ccelerator pedal and
depress it befor ethe vehicle begins torollawa y. &
W
WARNI NG
ARNI NGRisk of accident and injur ydue
to thev ehicler ollingaway
ATe rasho rttime, Hill StartA ssis tnol onger
holds thev ehicle. #
SwiT lymo veyour foot from theb rake
pedal tothea ccelerator pedal. Do not
lea vethev ehiclew hen it is bein gheld by
Hill StartA ssist. F
F
unction of A
unction of A dap
daptiv
tiveBr
eBr ak
ak eL ights
eL ights Ad
aptiv eBrake Lights warnfollowing tra1c in an
emer gency braking situatio nwitht he following
actions:
R By 0ashing theb rake lamps
R By activating theh azar dwarnin glights
If th ev ehicleisb rake ds harpl yfroms peeds abo ve
50 km/h, theb rake lamps 0ash rapidl y.This pro-
vide stra1c trav elling behind youw ithane ven
mor enoticeable warning.
If th ev ehicleist rave lling at speeds of mor ethan
70 km/h at theb eginningoft he brakeapplica-
tion, theh azar dwarnin glights switc hononcethe ve
hicle is stationar y.When youp ullawa yagain,
th eh azar dwarnin glights will switc ho.a utomati-
call yata pproximatel y10k m/h. Youc an also
switc ho.the haza rdwa rning lights using theh az-
ar dw arnin gbutton. A
A
TTENTION ASSIST
TTENTION ASSIST F
F
unction of A
unction of A TTENTION ASSIST
TTENTION ASSIST
AT TENTIO NASSIS Tassists youonl ong, mono to-
nous journe ys,e .g.onm otor ways and trunk
ro ads. If ATTENTIO NASSIS Tdetects indicator sof
fa tigue or increasing lapses in concentration on
th ep artoft he driver ,itsuggests taking abreak.
AT TENTIO NASSIS Tiso nlyana id.Itc annot
alw aysd etect fatigue or lapses in concentration in
time. The system is no tasubstitut efor aw ell-res-
te da nd attentiv edrive r.On long journe ys,take
re gula rbreak sing ood time that allo wfor ade-
qu ater ecuperation.
Yo uc an choose between tw osettings:
R St
Standar
andar d:
d:normal system sensitivity.
R Sensitiv
Sensitiv e:
e:highe rsystems ensitivity .The driver
is wa rned earlier and thea ttention le veld etec- 202
202
Driving and parking
%
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
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
&
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
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