pants. These measures canno
tnecessaril ypre-
ve nt an imminent impact.
PRE-SAFE ®
PLUS ca nimp lement thef ollowing
measures independentl yofeacho ther:
R Tightening thes eat belts on thed rive r's seat
and front passenger seat.
R Activating ther ear hazard warning lights at a
higher 0ashing frequency.
R Increasing brak epressur ewhen thev ehicleis
stationar y.This brak eapplication is cancelled
automaticall ywhent he vehicle pull saway.
If an accident did no toccur ,the pre-emptive
measures that we re ta kena re re versed.
Syst
Syst em limits
em limits
The system will no tinitiat eanyaction in thef ol-
lowing situations:
R when reve rsing
The system will no tinitiat eanybraking application
in thef ollowing situations:
R whilst driving
or R
when entering or exiting aparking space while
using ActiveP arking Assist A A
ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident
Dependin gonthe type and se verity of thea cci-
dent, and depending on thev ehicle's equipment,
th ef ollowing measures can be implemented, for
ex ample:
R automati cbraking (post-collision brake)
R activatin gthe haza rdwa rning lights
R triggering an automatic emer gency call
(/ page289)
R switching o. thed rive system and high-volt-
ag eo n-boar delectrical system
R unlocking thev ehicled oors
R lowe ring thes ide windo ws
R displaying thee mer gency guide in them ulti-
media system display
R switching on thei nterior lighting F F
unction of t unction of t he pos
he post-collision brt-collision br ake
ake
Depending on thea ccident situation, thep ost-col-
lision brak ecan minimise thes everity of afurther
collision or evenavoid it.
If an accident is de tected, thep ost-collision brake
can implement automatic braking. When thev ehi-
cle has come toas tandstill, thee lectric parking
brak eisa utomaticall yapplied.
The driver can cancel automatic braking bytaking
th ef ollowing actions:
R braking mor estrongl ythan automati cbraking
R fullydepressin gthe accelerator peda lwith
fo rce Saf
Saf
el
elytrytr anspor
anspor ting c
ting childr
hildren in t
en in t he v
he vehicle
ehicle Alw
ay
Alw ayso bserv
so bserv ewhen c
ew hen c hildr
hildren ar
en ar etrav
et rav elling in t
elling in t he
he
v
v ehicle
ehicle %
Also strictl yobser vethes afet yn otes fort he
speci/c situation .Inthiswayyou can recog-
nise po tential risk sa nd avo id danger sifchil-
dren ar etrave lling in thev ehicle
(/ page58). Occupan
tsafety
57
57
N
N
o
ot
tes on dr
es on dr iving on salt-tr
iving on salt-tr eat
eated r
ed r oads
oads
The braking e.ect is limited on salt-treated roads.
Therefore, obser vethef ollowing no tes:
R due tosalt build-u ponthe brak edisksa nd
brakepads, theb raking distance can increase
considerabl yorresult in brakin gonlyono ne
side
R maintain amuchg reater saf edista nce tothe
ve hicle in front
To remo vesalt build-up:
R brak eoccasionall ywhile paying attention to
th et ra1c conditions
R carefull ydepress theb rake pedal at thee nd of
th ej ourne yand when starting then extjour-
ney
Not
Not es on aq
es on aq uaplaning
uaplaning
Aq uaplaning can take place once acertain
amount of waterh as accumulate dontheroad
sur face. Obser
vethef ollowing no tesd uring heavy precipi-
ta tion or in conditions in whi chaquaplaning may
occur:
R reduce speed
R avoid tyr eruts
R avoid sudden steering mo vements
R brak ecareful ly
% Also obser vethen otes on regula rlyc hecking
wheels and tyres (/ page333).
N
No ot
tes on dr
es on dr iving t
iving thr
hrough w
ough w at
ater on t
er on t he r
he road sur-
oad sur-
f
f ace
ace
Wa terw hichh as entered thev ehiclec an damage
th ed rive system, electrics and transmission.
Obser vethef ollowing if youm ust driv ethrough
wa ter:
R The water,when calm, ma yonlyr eac hthe
lo we redgeoft hevehicle body.
R Driv eatw alkingpace at most ;water can oth-
erwise enter thev ehiclei nterior.
R Vehicles tr avelling in front, or oncoming vehi-
cles, can creat ewaves whic hmay ex ceed the
maximum permissible dep thofthew ater. Th
eb raking e.ect of theb rake sisr educed aTer
fo rd ing. Brak ecarefull ywhile paying attention to
th et ra1c conditions until braking po werhas been
full yrestored. EC
EC Od ispla
Od ispla yfun ction
yf un ction The EC
Odispla ysummarises your driving charac-
te ristics from thes tart of thej ourne ytoits com-
pletion and assists youina dopting an e1cient
driving style tomaximise range.
Yo uc an in0uence energy consum ption bydoing
th ef ollowing:
R driving wit hparticular car e(/ pag e165)
R driving in driv eprogram ; (/page167) Drivin
gand parking
163
163
R
when driving at speeds close tozero
R in transmissio nposition i
R during and aTer ESP ®
inter venes
In these cases,t he desiredd eceleration is se tby
th eb rake control system. Also brak ewitht he
service brak eifnecessar y.
Manuall
Manuall yse
ysetting r
tting r ecuper
ecuper ativ
ativedeceler
ed eceler ation
ation
Yo uc an use thes teering wheel gearshiT paddles
to manuall yadjus tthe intensity of recuperation in
ov errunm ode. %
Whe nthe vehicle is star teda gain, thef ollo w-
ing recuperation le veliss et:
R hà :ifh Ãwa sselected pr evi-
ousl y.
R h:ifar ecuperation le velo ther than
hà wass elected pr eviousl y.
The following recuperation le vels ar eavailable:
R hà Intelligent and anticipa tory recupera-
tion wit hECO Assis t(/ pag e165)
R hq Norecuperation :the vehicle coasts,
ro lls freely
R h Normal recuperation
R h± Increased recuperation :increased
decele ration in overrunm ode
R h±± Maximum recuperation :maximum
decele ration in overrun mode #
T
Toi ncr
oi ncr ease r
ease r ecuper
ecuper ation:
ation:brie0y pull gearshiT
paddle 1. #
T
Tor
or educe r
educe r ecuper
ecuperation:
ation:brie0y pull gearshiT
paddle 2. #
T
Tos elect
os elect hÃ:p ull and hold gearshiT pad-
dle 1 or2. The Instrumen
tDispl aysho ws th ecurrentl ys elec-
te dr ecuperation le veln exttot he transmission
position displa y. EC
EC
OA ssis
OA ssis tfunction
tf unction %
ECOA ssis tisn otavailabl eina ll countries.
Depending on thev ehicle's equipment ,di.er-
ent events ahead can be de tected.
EC OA ssis tisa ctiveonlyin hÃ
( / pag e165).
EC OA ssis tanal yses dat afor thev ehicle's expec-
te dr oute. This allo ws thesystemtoo ptimally
adjus tthe drivin gstyle fort he routea head,u se
minimal energy and recuperate.
EC OA ssis tisd isplayedont heAssistance
menu(/ page248). If thes ystemd etects an
ev ent ahead, e.g. avehiclea head, and thed riving
style can be optimised, thee vent wil lappear on
th ei nst rument displa y.
Depending on thev ehicle's equipment ,the follo w-
ing events can also be de tected and displa yedf or
th er out esection ahead:
R Speed limit Driving and parking
165
165
R
Downhill gradient
R Junctions and roundabouts
R Bends V
V
ehicles wit
ehicles wit hDr
hDriving Assist
iving Assist ance P
ance Pack
ackag
age:
e: In order
fo rE CO Assist toreact toas peed limit, thea uto-
matic adoption of speed limits must be activated
(/ page224). These routee vents will be de tec-
te do nlyifr oute-based speed adap tation is acti ve
( / pag e213). 1
Event ahead
2 Distance displa yfor thee vent ahead
3 "Foo to.t he accelerator" recommendation
The segments of dis tance display 2show the
distance tothee vent ahead as follo ws:
R Afew segment slight up: thee vent ahead is
near.
R Man ysegments light up: thee vent ahead is
fur ther awa y.
If EC OAssist is acti ve,"Fo ot o. thea ccelerator"
symbol 3will appear on theAssistance menu
on thei nst rument displa y,on theh ead-up display
and next tothet ransmission position displa y.When
thev ehiclen earsane vent, EC OAssist will
calculat ethe optima lspeed form inimal energy
consum ption based on thed istance and speed.
"Foo to.t he accelerator" recommendation 3will
appear on thei nst rument displa y.
If yo ut akey our foot o. thea ccelerator pedal in
good time, ther emaining segments on thed isplay
will successivel yturng reen until thee vent shown
is reached. The driv etra in will be se tfor minimal
energy consum ption. The vehicle will recuperate
autonomousl yand thus charge theh igh-voltage
batter y.
% Youc an also manuall yincrease or reduce
re cuperation .Howev er,E CO Assist is availa-
ble onl yinthehà setting(/pag e165).
If th er eisnor esponse to"Foo to.t he accelera-
to r" recommendation 3,the segments will
re main white.
The event will be shown foras horttime aTer it
has been passed.
If th ee vent in volves avehicleinf ront,a ll seg-
ments will immediatel yturng reen once ther eisa
re sponse to"Foo to.t he accelerator" prom pt3 . 166 166
Driving and parking
If EC
OAssist cann otidentify arecommendation
fo ra djustin gthe drivin gstyle fort he event ahead,
no thing will be displa yed. The system will be pas-
sive.
Syst Syst em limits
em limits
EC OA ssist can function even mor eprecisel yif
th er out eisa dhered towhen routeg uidance is
active. The basic function is also availabl ewithout
activ erout eguidance. No tall information and
tra1c situations can be fore seen .The quality
depends on thea vailabl emap data.
EC OA ssis tiso nlyana id. The driver is responsible
fo rk eeping asafed istance from thev ehiclein
front ,for vehicle speed and forb raking in good
time. Youm ust be ready tobrak eata ll times ir re-
specti veof whe ther thes ystemisa ctive.
The system ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth er eisp oor visibility ,e.g. due toinsu1cient
illumination of ther oad, highl yvariable shade
conditions, rain, sno w,fogorh eavy spr ay.
R Ifth er eisg lare, e.g. from oncoming tra1c,
direct sunlight or re0ections. R
Ifth ew indscreen is dirty in thev icinity of the
multifunction camera.
R Ifth em ultifunction camer aismisted up, dam-
aged or obscured.
R Ifro ad sign sarehar dtod etect, e.g. due to
dirt, sno worinsu1cien tlighting, or because
th ey areo bscured.
R Ifth ed igital road map of then avigation sys-
te mh as incor rect or outdated information.
R If sign sareambiguous, e.g .road signs in road-
wo rksorina djacent lanes.
R Ifth er adar senso rsared irty or obscured.
R When youd rive on roads wit hsteep uphil lor
downhil lgradients.
R Ifth er ea renar rowv ehicles in front, suc has
bicycles or mo torc yc les. D
D
YN
YNAMIC SELECT switch AMIC SELECT switch F
F
unction of t
unction of t he D
he DYN
YNAMIC SELECT switchAMIC SELECT switch Use
theD YNAMIC SELECT switc htochange
between thef ollowing driv eprograms:
(/ page168). Depending on
thed rive prog rams elected, thef ol-
lowing vehicle characteristics will change:
R Drive
R Suspension
R Steering
R ESP ®
R Climat econtrol
A A v vailable dr
ailable dr iv
ivepr
epr ogr
ograms
ams
= Individual
R The following vehicle characteristics ar eindi-
viduall yadjustable:
- Drive
- Suspension
- Steering
C Sport
R Maximum po weravailability
R Stability but wit hasporty ,dynami csetup
R Onlysuitable forg ood road conditions, adry
ro ad sur face and aclear st retchofr oad Driving and parking
167
167
#
When leaving thev ehicle, alw ayst aket he
ke yw ithy ou and loc kthe vehicle. #
Keep thev ehiclek eyout of ther eac hof
ch ildren. The electr
The electr
ic par
ic parking br
king br ak
akeisa pplied if t
eisa pplied if t he tr
he trans-
ans-
mission is in position
mission is in position j
jand one of t
and one of t he f
he follo
ollowing
wing
conditions is
conditions is ful/lled:
ful/lled:
R The vehicle is switched o..
R The seat belt tongue is no tinse rted in thes eat
belt buckle of thed rive r's seat and thed rive r's
door is opened.
% Toprev ent application: pull theh andle of the
electric parking brak e(/ pag e195).
In t
In t he f
he f ollo
ollowing situations, t
wing situations, t he electr
he electric par
ic parking
king
br
br ak
ak eisa lso applied:
eisa lso applied:
R The HOLD function is keeping thev ehicles ta-
tionar y.
R ActiveP arking Assist is keeping thev ehicle
statio nary.
R ActiveD istance Assist DISTRONI Cisbringing
th ev ehicletoa standstill. R
In addition ,one of t
In addition ,one of t he f
he follo
ollowing conditions
wing conditions
mus
mus tbe
tbeful/lled: ful/lled:
- The vehicle is switched o..
- The seat belt tongue is no tinse rted in the
seat belt buckle of thed rive r's seat and
th ed rive r's door is opened.
- Ther eisas ystemm alfunction.
- The po wersuppl yisi nsu1cient.
- The vehicle is stationar yfor alengt hy
period.
When thee lectric parking brak eisapplied, the
red ! indicator lam plights up in thei nst ru-
ment cluster.
F
F unction of t unction of t he electr
he electric par
ic parking br
king br ak
ake(r
e(r eleasing
eleasing
aut
aut omaticall
omaticall y)
y)
The electr
The electr ic par
ic parking br
king br ak
akeisr
eisr eleased when t
eleased when t he
he
f
f ollo
ollo wing conditions are
wing conditions are ful/lled:
ful/lled:
R The driver's door is closed.
R The vehicle has been star ted.
R The transmission is in position hork and
yo ud epress thea ccelerator pedal or yous hiT from transmission position
jtoh ork
when on le velg round.
R Ifth et ransmission is in position k,thetail-
ga te must be closed.
R The seat belt tongue is inse rted int othe seat
belt buckle of thed rive r's seat.
If th es eat belt tongue is no tinse rted int othe
seat belt buckle of thed rive r's seat, one of the
fo llowing conditions must be ful/lled:
- Yous hiT from transmission position j.
or
- Youh ave prev iousl ydrive nats peeds
gr eater than 3k m/h.
When thee lectric parking brak eisreleased, the
red ! indicator lam pinthe inst rument clus ter
goes out. 194
194
Driving and parking
no
tbec overeda nd thed etection ranges around
th em must be kept free. Do no tattac hadditional
licence plat ebrack ets, advertisements, stic kers,
fo ils or foils toprotect against stone chippings in
th ed etection rang eoft he sensor sand cameras.
Mak esuret hat ther ea reno ove rhanging loads
pr otru ding int othe de tection range.
If th er eisd amag etoab umper or ther adiator
gr ille, or aTer an impact, ha vethef unction of the
senso rscheckedata quali/ed specialis twork-
shop. Ha vedamag eorstone chipping in thea rea
of thec ameras on thef ront and rear wind ows
re paired at aquali/ed specialist workshop. Ov
Ov
er
ervie
vie wofdr
wofdr iving syst
iving syst ems and dr
ems and dr iving safe
iving safety
ty
syst
syst ems
ems R
ABS(AAnt i-loc kBBra king S System) (/ page198)
R BAS (BBra ke AAssis tSSys tem) (/ page198)
R ESP ®
(EElectronic S Stability P Program)
(/ page198)
R ESP ®
Crosswin dAssis t(/ pag e199)
R EBD (E Electronic B Brakeforc eDDistribution)
(/ page200) R
STEER CONTROL (/ page200)
R HOL Dfunction (/ page200)
R Hill StartA ssis t(/pag e202)
R Adaptiv eBrake Lights (/ page202)
R ATTENTIO NASSIS T(/pag e202)
R Cruis econt rol(/ pag e204)
R Limiter (/ page205)
R Tra1c Sign Assis t(/ pag e222)
R Speed Limi tAssis t(countr y-dependent)
(/ page221)
Dr
Dr iving Assist
iving Assist ance pack
ance package
age
The following functions ar epartoft he Driving
Assistance Package. Cer tain functions ar eonly
av ailabl eins ome countries. Som efunction sare
also availabl ewithout theD riving Assistance
Pa ckage, albei twithr est ricted fu nctionality.
R ActiveD istance Assist DISTRONIC
(/ page207)
R ActiveS peed Limit Assist (countr y-dependent)
(/ page211) R
Route-based speed adap tation (countr y-
dependent )(/pag e212)
R ActiveB rake Assist (/ page216)
R ActiveS teering Assist (countr y-dependent)
(/ page213)
R ActiveE mer gency Stop Assist (countr y-
dependent )(/pag e215)
R Blin dSpotA ssist and ActiveB lind Spo tAssist
wit he xitwarning (/ page224)
R ActiveL ane Keeping Assist (/ page227)
P
P ar
ar king P
king P ack
ackage
age
R Reversing camer a(/pag e230)
R 360° Camer a(/pag e232)
R Parking Assist PARKTRONIC (/ page235)
R ActiveP arking Assist (/ page239) Driving and parking
197
197
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