REBD (Electronic Brakeforce Distribution)
(→pag e152)
RESP®(Electronic Stability Program)
(→pag e149)
RDRIVE PIL OT(→pag e165)
RHOLD function (→pag e168)
RSteering Pilo t(→page165)
RParking Pilo t(→page179)
RPARKTRONI C(→page172)
RReversing camera (→pag e174)
RCruise control (→pag e157)
RBlind Spo tAssist andActiveB lind Spo tAssist
(→pag e188)
RTraf ficS ign Assist (→page186)
Functions of ABS (anti-loc kbraking sy stem)
AB Sr egulates theb rake pressur eincritical driv‐
ing situations:
RDuring braking, thew heels ar epreve nted
from blocking ,e.g. due tomaximu mfull-s top
braking or insuf ficient traction of thet ires.
RVehicle steerability while braking is ensured.
RABS is activ efroms peeds of appr ox.5m ph
(8 km/h).
If AB Sinter venes when braking, youw illfeel a
pulsing in theb rake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditionsa nd can serveas areminder totake
ex trac arew hile driving.
Sy stem borders
AB Sm aybe impaired or ma ynotfunction if a
malfunction has occur reda nd they ellow !
ABS warning lam plightsupc ontinuousl yinthe
instrument clus tera fter thee ngine is star ted.
Fu nction of BAS(Brak eAssis tSystem)
&
WARNING Risk of an accident caused by
am alfunctio ninBAS (Brak eAssist Sys‐
te m)
If BA Sism alfunctioning ,the braking dis tance
ma yincrease in an eme rgency braking situa‐
tion.
#Depress theb rake pedal wit hfull forc e
in emer gency braking situations. ABS
pr eve nts thew heels from locking.
BASs uppo rtsy our emer gency braking situation
wit ha dditional brak eforce.
If yo ud epress theb rake pedal quickl y,BA Sis
acti vated:
RBA Sa utomatically boosts theb rake pres‐
sure.
RBA Sc an short entheb raking dis tance.
RABS pr events thew heels from locking.
The brakes will function as usual onc eyou
re lease theb rake pedal. BASisd eactivated.
148
Driving and pa rking
Functions of ESP®(Electronic Stability Pro‐
gr am)
&
WARNING Risk of skidding if ESP is mal‐
functioning®
If ESP®is malfunctioning ,ESP®canno tcarry
out vehicle stabilization. In addition,o ther
driving saf etys ystems ar eswitched off.
#Driv eonc arefull y.
#Have ESP®checkedataq ualified spe‐
cialis tworks hop.
&
WARNING Risk of skidding if ESP®is
deactivated
If yo ud eactivat eESP
®,ESP®canno tcarry
out vehicle stabilization.
#ESP®shouldo nly be deacti vatedint he
fo llowing situations.
ESP®monitor sand impr oves driving stabilitya nd
traction,p articularly inthef ollowing situations:
RWhen pullin gawayonw etor slippe ryroads.
RWhen braking.
RIn stro ng sidewinds when youa redrivin g
fast erthan 50 mph(80 km/h).
ESP
®can stabilizet hevehicle byinter vening in
th ef ollowing ways:
ROne or mor ewheels ar ebrake d.
RThe engine output is adap teda ccording to
th es ituation.
ESP
®is deactivated if theE SP®OFF å warn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter:
RDriving stabilityw ill no longe rbeimprove d.
RCrosswind Assis tisnolonger active.
RThe driv ewheels could spin.
RETS/4ET Straction control is still active.
% Even when ESP
®is deactivated, youa restill
assis tedbyE SP®when braking.
ESP
®is inter vening if theE SP®÷ warning
lam pflashes in thei nstrument clus ter:
RDo no tdeacti vate ESP®.
ROnly depress thea ccelera torp edalasf ar as
is necessar y.
RAdapty our driving styletos uitthec urrent
ro ad and weather conditions.
Deactivat eESP
®inthef ollowing situations to
impr ovetraction:
RWhen using sno wchains
RIn deep snow
ROn sand or gr avel
% Spinning thew heels results in acutting
action whic hprovide sbette rg rip.
ESP
®is deactivated if theå ESP®OFFwarn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter.
If th eE SP
®÷ warning lam plightsupc ontinu‐
ousl y,ESP®is no tavailable due toam alfunction.
Observ eanyinformation whic hmaybe displa yed
in thei nstrument clus ter:
RWa rning and indicator lamps (→pag e396)
RDispla ymessages
Drivinga nd parking 14
9
Activating/deactivatin gESP®(Electronic Sta‐
bility Prog ram)
Multimedia sy stem:,Vehicle.k Assistance.ESP
#Activate Oor deacti vate ª thef unction.
ESP
®is deactivated if theE SP®OFF å warn‐
ing lam plightsupc ontinuousl yinthe instrument
clus ter.
Obser vethei nformation on warning lamps and
displa ymessages whic hmaybe shown in the
instrumentc luster.
Fu nctions of ESP®Crosswind Assist
ESP®Crosswind Assis tdetects sudden gusts of
side wind and helps thed rive rtok eepthev ehi‐
cle in thel ane:
RESP®Crosswind Assis tisactiveatv ehicle
speeds between 50 mph(80 km/h) and
12 5m ph (200 km/h) when driving stra ight
ahead or cornering slightly.
RThe vehicle is stabilized bymeans of individ‐
ua lb rake application on one side.
Function of EBD (Electronic Brak eforce Dis‐
tribution)
EB Disc haracterized bythef ollowing:
RMonitoring and closed-loop control of the
brak epressur eont herear wheels.
RImpr oveddriving stabilityw hen braking,
especiall yonb ends.
Function of Activ eB rake Assi st
ActiveB rake Assi stconsist sof:
RDis tance warning function
RAu tonomous braking sy stem
RSelectiv ebraking assis tance
RVe hicles with the DrivingA ssistance
Pa ckage: Evasi veSteering Assist
Ac tiveB rake Assi stcan hel pyou tominimize the
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,y ou will be warned visually and acousti‐
call y. If
yo udon otreact tothev isual or acoustic warn‐
ing, autonomous brakin gcan be initiated in criti‐
cal situations.
In especiall ycritical situations ,Activ eBrake
Assi stcan initiate autonomous 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, selectiv ebraking assis tance occu rs.T his
increases theb rake pressur euptom aximum
full-s topb raking if necessar y.
If yo ur vehicle is equipped wit hadditional pre‐
ve ntiv eoccupant pr otection measures (PRE-
SA FE), these ma ybeinitiated when thea utono‐
mous braking sy stem or thes electiv ebraking
assis tance is trig gered.
15 2
Driving and pa rking
&WARNING Risk of an accident caused by
limited de tection per form anc eofA ctive
Brak eAssist
Ac tiveB rake Assi stcanno talway sc lear ly
identify object sand comple xtraf fics itua‐
tions.
In such cases,ActiveB rake Assi stmight:
Rgiv eanu nnecessa rywa rning or brak ethe
ve hicle
Rno tg iveaw arning or no tbrake thev ehi‐
cle.
#Alw aysp aycareful attention tothet raf‐
fi cs ituation; do no trely on ActiveB rake
Assi stalone.
#Be ready tobrak eand take evasive
action if necessar y.
Alsoo bserve thes ystemb order sofA ctiveBrake
Assi st.
The individua lsubfunctions ar eavailable in
th ef ollowing speed ranges:
Distance warning function
The dis tance warning function issues awarning
at speeds:
RFr om appr oximatel y18m ph (30 km/h), if
ove rseveral seconds thed ista nce main‐
ta ined tothev ehicle tr aveling in front is
insuf ficient fort he driven speed. The dis‐ ta
nce warning lam pthen lights up in the
instrumentc luster·.
RFr om appr oximatel y4mph (7 km/h), if your
ve hicle is criticall yclose toav ehicle or
pedestrian. An intermittent warning tone
sounds and thed ista nce warning lam plights
up in thei nstrument clus ter·.
Brak eimmediatel yortakee vasiv ea ction,p rovi‐
ded it is saf etodoso.
Driving and parking 15
3
&WARNING Risk of an accident despite
Evasiv eSteering Assist
Evasiv eSteering Assis tcannot alwaysc learly
identify objects and comple xtraffic situa‐
tions.
In addition,t hesteering suppor tofEvasive
St eering Assis tisgenerallyn otsuff icien tto
avo idac ollision.
In suc hcases Evasiv eSteering Assis tcan:
Rgiv eanu nnecessar ywarning or pr ovide
assis tance
Rno tg 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.
#Be ready tobrak eand take evasive
action if necessar 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 ystemb order sofE vasive
St eering Assist.
Sy stem borders
Ac tiveB rake Assi stma ybei mpaire dorm aynot
function in thef ollowing situations:
RIn sno w,rain, fog, heavy spr ay,ift hereis
gl are, in direct sunlight or in greatly varying
ambientl ight.
RIfth es ensor saredirty ,fogged up, damaged
or co vered.
RIfth es ensor smalfunction due to otherradar
source inter fere nce, fore xamp lestro ngradar
re flections in parking garage s.
RIfal oss of tir epressur eorad efectivetire
has been de tected and displ ayed.
The sy stem ma ynotreact cor rectly:
RIn complex traffics tations wher eobjects
canno talway sbec learly identified.
RTopedestrians or vehicles if they mo ve
qu ickl yintot he sensor de tection range.
RTo pedestrians who ar ehidden by other
objects.
RIf th et ypical outline of apedestrian cannot
be distinguished from theb ackg round.
RIfap edestrian isno trecognized as such, e.g.
due tospecial clo thing or other objects.
RIn ne wvehicles or af teras ervice has been
car ried out on ActiveB rake Assi st.
ROn bends wit hatightradius.
Setting Activ eB rake Assi st
Multimedia sy stem:,Vehicle.k Assistance.Active
BrakeA ssist
Ve hicles without DrivingA ssistancePack‐
age: The settings can be made af ters tartin gt he
ve hicle.
Ve hicles with Drivin gAssistanc ePacka ge:
The settings can be made whe nthe ignition is
switched on.
15 6
Driving and pa rking
RIf narrowv ehicles ar ewithin them onitoring
ra nge, e.g .bicyc les.
Wa rnings ma ybeissued in er rorw hen driving
close tocrash barr iersors imilar solid lane bor‐
ders. Warnings ma ybeinterrupte dw hen driving
alongside long vehicles, fore xamp le, truc ks,for
ap rolonge dperiod.
Blind Spo tAssis tisn otoperational when reve rse
ge ar is engaged.
Brak eapplication of Activ eB lind Spo tAssis t
If Ac tiveB lind Spo tAssistdetects arisk of aside
impact in them onitoring range, acourse-cor‐
re cting brak eappli cation is car ried out. This is
designed tohelp youa void ac ollision.
The course-cor recting brak eappli cation is availa‐
ble in thes peed rang eb etwe en appr oximately
20 mph(30 km/h) and 125m ph (200 km/h).
&
WARNING Risk of accident despite
brak eapplication of ActiveB lind Spot
Assi st
Ac ourse-co rrecting brak eapplication cannot
alw aysp reve nt ac ollision.
#Alw ayss teer,b rake or accelera teyour‐
self,e speciall yifActiveBlind Spot
Assi stwa rnsy ou or makes acourse-
co rrecting brak eapplication.
#Alw aysm aintain asafed ista nce at the
sides.
& WARNING Risk of accident despite
Ac tiveB lind Spo tAssist
Blind Spo tAssist does no treact tothef ol‐
lowing:
ROver taking vehicles closel yonthe side,
placing them in theb lind spo tarea
RVe hicles approaching and overtakin gyou
at av eryd iffe re nt speed
As aresult, ActiveB lind Spo tAssistma ynei‐
th er giv ewarning snor inter vene in such sit‐
uations.
#Alw aysp aycareful attention tothet raf‐
fi cs ituation and maintai nasafed is‐
ta nce at thes ide of thev ehicle.
Ifac ourse-cor recting brak eappli cation occurs ,
th er ed warning lam pflashes in theo utside mir‐
ro ra nd warning tone sounds. In addition, adis‐
pl ay 1 indicatin gthe danger of aside collision
appear sinthe multifunction displa y.
In rare cases, thes ystemm aymak eani nappro‐
priat ebrake application. This brak eapplication
ma ybei nterrupte data nytime if yous teer
slightl yinthe opposit edirection or accelera te.
Driving and pa rking 18
9
In suchcases, Lane Keeping Assis tcan:
Rgiv eanu nnecessar ywarning
Rnotg iveaw arning
#Alwaysp ayparticular attention tothe
traf fics ituation and keep within the
lane, especiall yifActiveLaneK eeping
Assis talerts you.
Prerequisi te
The driving speed is at leas t40m ph (60 km/h).
#Press button ;.
If indicator lamp :lights up, Lane Keeping
Assis tisactivated. When lane marking sare
de tected, thel ines in thea ssis tance graphic
ar es hown in white.
Sensitivity of Activ eL aneK eeping Assist
Wi th th estandar dora daptiv esetting ,you can
influence when thew arning vibration of Lane
Ke eping Assis ttakes place. In bo
th thestandar dand adaptiv esettings, no
wa rning vibration occur sinthefollowing situa‐
tions:
RYo uh ave switched on thet urns ignal indica‐
to r.
RAd riving safe ty system inter venes, such as
ABS, BASorE SP®.
In thea daptiv esetting, ther ew ill also be no
wa rning vibration in thef ollowing situations:
RThe vehicle is accelerated or braked consid‐
erably.
RYo us teer actively ,e.g. swer vetoavo id an
obs tacle or chang elane quickl y.
RYouc utthec orner on ashar pbend.
Setting thes ensitivityofA ctive Lan eKeep‐
ing Assist
Multimedia sy stem:
,Vehicle.k Assistance.Act.
Lane Keep. Assist
Selection options
#Select Adaptive orStandard.
Driving and parking 19
3
Menus and submenus
Functions in theS ervice menu of theo n-
boar dcompu ter
On-boar dcomputer:,Service
% The spelling ma ydiffe rint he main menu dis‐
pla yed. Therefore, obser vethem enu over‐
vie wf orthei nstrument displa yinthe wide‐
screen cockpit (
→pag e195).
#To select thef unction: swipe upwards or
down wardsont he left-hand side of Touch
Control.
#Press thel eft-hand side of Touc hC ontrol.
Fu nctions in theService menu:
RMessagememor y(→page352)
RTire Pressure :
-Checkingthet irep ressur ewitht he tire
pressur emonitoring sy stem (→pag e317)
-Re startin gthe tir epressur emonitoring
sy stem (→pag e318)
RASSYST PLUS :calling up thes ervice due
dat e(→pag e277)
Calling up theA ssistance graphic display
On-board computer:,Assistance
% The spelling ma ydiffe rint he main menu dis‐
pla yed. Therefore, obser vethem enu over‐
vie wf ortheI nstrument Displa yintheWide‐
screen Cockpit (
→pag e195). When you
ha ve setthe progressiv edispla ysetting, the
assis tance graphicc an be viewedint he
Disp. Content menu.
The following displa ysarea vailable from the
Assi stanc egraphic menu:
RAssis tance graphic
RAt tentio nleve l(→pag e184)
#To switc hbetwe en thed ispla ys:swipe
up wa rdsord ownw ards on thel eft-hand side
of Touc hC ontrol.Status displa ysintheA ssis tance graphic:
Ré:A TTENTION ASSIS Tdeactivated
Ræ:A ctiveBrake Assi stdeactivated
RLight lane markings: ActiveL aneK eeping
Assis tactivated
RGreen lane markings :Activ eLaneK eeping
Assis tactive
19 8
Instrument Displa yand on-boar dcomputer