
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

Settingthev ehicle le vel
&
WARNING Risk of accident because
ve hicle le velist oo high
If yo ud rive atah igher vehicle le vel,th ed riv‐
ing characteristic smaybe impaired due to
th eh igher vehicle center of gr avity.
The vehicle ma ytipove rmoreq uickl yona
bend, fore xamp le.
#Alw ayss elect as lo wavehicle le vela s
possible and adap tyour driving style
accordingl y.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Whe nlowe ring thev ehicle, people could
become trapped if their limbs ar ebetwe en
th ev ehicle body and thet ires or underneath
th ev ehicle.
#Mak esurenoo ne is underneat hthe
ve hicle or in thei mmediat evicinit yof
th ew heel ar ches when youl owe rthe
ve hicle.
&
WARNING Risk of entrapment from vehi‐
cle lo wering
Ve hicles with AI RBODYC ONT ROLo r
le ve lc ontrol sy stem: When youu nload lug‐
ga ge or lea vethev ehicle, thev ehicle firs t
ri ses slightly and then returns tothes etleve l
shortl yafter wa rds.
Yo uora nyone else in thev icinit yoft he
whee larches or theu nderbody could thus
become trapped.
The vehicle can also be lo wereda fter being
loc ked.
#When leaving thev ehicle, mak esure
th at nobody is in thev icinit yoft he
whee larches or theu nderbody.
PrerequisitesRThe vehicle's engine mus tbeswitched on.
RThevehicle mus tnotbe moving fasterthan
49 mph(80 km/h). Ra
ising thev ehicle
#Press but ton1.
Indica torlamp 2lights up.
RVehicles without 4MATIC: Thevehicle is
ra ised by0.9 in (25 mm) compared tothe
normall evel.
Drivinga nd parking 17
1

#Activat eord eacti vate thef unction.
Displa ysinthei nstrument clus ter
De tected traf fics igns ar edispl ay ed in thei nstru‐
ment clus ter.
#Select Instr. Cluster Display .
#Activat eord eacti vate thef unction.
Ac tivatin gordeactivatin gthe warning when
as peed limit is exceeded
The pointatw hichaw arning is given onc ea
speed is exceeded (warning thre shold) can be
se ta ccording toindividual preferences.
#Select Speed Limit Warning.
#SelectVisual&Audible ,Visual orNone.
Setting aspeed
#Select Warning Threshold.
#Setthe desired speed.
% Ifth eS peed Limit Pilo thas been activated,
th ed etected traf fics ignisa utomatical lydis‐
pla yedint he instrument clus ter.
Blind Spo tAssis tand Activ eB lind Spot
Assi st
Function of Blind Spo tAssis tand Active
Blind Spo tAssis t
Blind Spo tAssist uses tw olateral, rear-facing
ra dar sensor stomonitor thea reaupto1 30ft
(40 m) behind your vehicle and 10ft(3 m)
directly next to yourvehicle.
If av ehicle is de tected at speeds ab ovea ppr ox‐
imatel y5mph (8 km/h) and this vehicle subse‐
qu ent lyenter sthe monitoring rang ed irec tly next
to yo urvehicle, thew arning lam pinthe outside
mir rorlights up red.
If av ehicle is de tected clos etoyourvehicle in
th el ateral monitoring rang ea nd yous wit ch on
th et urns ignal indicator in thec orresponding
direction, an acoustic warning signal sounds
once. The redw arning lam pinthe outside mir ror
fl ashes.Ift he turnsignal indicator remains on,
all other de tected vehicles ar eindicated onl yby
th ef lashingoft heredw arning lamp.
If yo uo vertak eav ehicle quickl y,no warning is
given.
& WARNING Risk of accident despite Blind
Spo tAssist
Blind Spo tAssist does no treact tovehicles
approaching and overtakin gyou at agreatly
di fferent speed.
As aresult, Blind Spo tAssis tcanno twarn
driver sinthis situa tion.
#Alw aysp aycareful attention tothet raf‐
fi cs ituation and maintai nasafed is‐
ta nce at thes ide of thev ehicle.
Blind Spo tAssis tand ActiveB lind Spo tAssist
ar eo nly aids. The ymayfailto detect some vehi‐
cles and ar enosubstitut efor attentiv edriving.
Alw ayse nsur ethat ther eiss ufficient dist anceto
th es ide foro ther road user sand obs tacles.
Sy stem limitations
The de tection capability of Blind Spo tAssist can
be restricted in thef ollowing situations:
RIfth es ensor saredirty or obscured.
RWhen ther eisp oor visibility ,e.g. due tofog,
heavy rain, sno worspray .
18 8
Driving and pa rking

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

RMaximum tirepressur e(→page325)
Checking thet irep ressur emanually
#Read thet irep ressur efor thec urrent operat‐
ing conditions from thet irea nd loading infor‐
mation table or thet irep ressur etable.
Obser vethen otes on tir epressure.
#Re mo vethev alvec ap of thet iretob e
ch ecked.
#Press thet irep ressur egaug esecurel yonto
th ev alve.
#Read thet irep ressure.
#Ifth et irep ressur eisl owerthan ther ecom‐
mended value, inc rease thet irep ressur eto
th er ecommende dvalue.
#Ifth et irep ressur eish igher than ther ecom‐
mended value, release air .Todos o, press
down them etal pin in thev alve, e.g. using
th et ip of apen fore xamp le. Then checkt he
tir ep ressur eagain usingt he tirepressure
ga uge.
#Sc rewt he valvec ap ont othe valve. Fu
rther related subjects:
RNo tesont irep ressur e(→page312)
RTire pressur etable (→pag e314)
RTire and Loading Info rmatio nplacard
(→pag e319)
Tire pressur emonitoring sy stem
Fu nction of thet irep ressur emonitoring sys‐
te m
&
DANG ER Risk of accidentd uetoincor‐
re ct tir epressure
Ever ytire, including thes par e(if pr ovided),
should be checkedw hen cold at leas toncea
mont hand inflated tothep ressur erecom‐
mended bythev ehicle manufacturer (see
Ti re and Loading Info rmatio nplacar dont he
B-pi llaronthed rive r’ss ide or thet irep res‐
sur elabel on thei nside of thef uel filler flap
of your vehicle). If your vehicle has tires of a
dif fere nt size than thes ize indicated on the
Ti re and Loading Info rmatio nplacar dort he
tirep ressur etable, youn eedtod etermine
th ep roper tir epressur efor those tires.
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐
ing sy stem (TPMS) that illuminates alow tire
pressur eindicator lam pwhen oneorm oreo f
yo ur tires ar esignif icantl yunderinflated.
Ac cordingly ,ifthe lo wtirep ressur eindicator
lam plights up, yous hould stop and check
yo ur tires as soonasp ossible, and inflate
th em tothep roper pressure. Driving on a
significantly underinflated tir ecauses thet ire
to ove rheat and can lead totiref ailure.
Und erinflation also increases fuel consump‐
tion and reduces tir etread life, and may
af fect thev ehicle's handling and braking abil‐
ity .P lease no tethat theT PMS is no tasubsti‐
tut efor proper tir emaintenance, and it is the
driver's responsibility tomaintain cor rect tire
pressure, evenifu nderinflatio nhasnot
re ached thel evel to trig gerillumination of
th eT PMS lo wtirep ressur eindicator lamp.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ewhen
316
Wheels and tires