The electric parking brak
eisalso automatically
applied if ActiveD ista nce Assi stDISTRONI Chas
brought thev ehicle toas tandstill.
In addition ,atleastone of thef ollowing condi‐
tions mus tbefulfilled:
R thee ngine is switched off
R thed rive risn otsitting in thed rive r's seat
R theb elt buckle is undone
R ther eisas ystemm alfunction
R thep owe rsupply is insuf ficient
R thev ehicle is stationar yfor along time
The red0049 and0024 (USA) or 0024(Canada)
indicator lam pinthe instrument displa ylights up.
The electric parking brak eisonlya ctuall yapplied
when ther ed 0049 and0024 (USA) or 0024
(Canada) indicator lamps light up continuousl y.
Re leasing thee lectric pa rking brak eautomat‐
ically
Ve hicles with automatic transmission:
The electric parking brak eofyourvehicle is
re leased when all of thef ollowing condition sare
fulfilled:
R The driver is sitting in thed rive r's seat.
R The driver is belted.
R The engine is running.
R The transmissio nisinposition005Bor005E and
yo ud epress thea ccelera tor
or
Yo us wit ch from transmission position 005Dto
position 005Bor005E.Y ou mus talso depress the
accelerator if tra veling on steep uphill gradi‐
ents.
R Ifth et ransmission is in position 005E,therear-
end door smustbec losed.
App lying/releasing thee lectric pa rking brake
manually &
WARNING Risk of accident and inju ry
due tochildren and animals lef tunat ten‐
de dint hevehicle
If yo ul eave children and animals unat tended
in thev ehicle, they ma ybea bletos etthe
ve hicle in motion, fore xamp leby:
R Releasing thep arking brake.
R Shifting thea utomatic transmission out of
par kposition 005D. R
Startin gthe engine.
In addition, they ma yoperat evehicle equip‐
ment and become trapped. #
Neverlea ve children and animals unat‐
te nde dint hevehicle. #
When leaving thev ehicle, alw ayst ake
th eS martK eywit hyou and loc kthe
ve hicle. #
Toappl y:press switch 1.
When thee lectric parking brak eisapplied,
th er ed 0049 and0024 (USA) or 0024(Can‐
ada) indicator lamps light up in thei nstru‐
ment displa y.The electric parking brak eis
onl yactuall yapplied when ther ed 0049
and 0024 (USA) or 0024(Canada) indicator
lamps light up continuousl y.
It is also possible toappl ythe electric parking
brak ewhen thei gnition is switched off. #
Torelease: pull switch 1.
The red0049 and0024 (USA) or 0024(Can‐
ada) indicator lamps in thei nstrument display
go out.
Yo um ayonlyrelease thee lectric parking
brak eift he ignition is switched on wit hthe
st art/ stop button. 13 6
Driving and pa rking
Emer
gency braking In
thee vent of an emergency ,you can brak ethe
ve hicle while it is in motion wit hthe electric park‐
ing brake. #
While driving, press switch 1ofthee lectric
parking brake.
The vehicle is braked as long as youk eep
switch 1ofthee lectric parking brake
depressed.
The longer electric parking brak eswitch 1is
depressed, theg reater theb raking forc e.
During theb raking procedure, youw illreceiv ethe
fo llowing feedbac kfromt hevehicle:
R awarning tone sounds
R the" Release parking brake" displa ymessage
appears
R ther ed 0049 and0024 (USA) or 0024(Can‐
ada) indicator lamps in theI nstrument Display
fl ash
When thev ehicle has been braked toas tandstill,
th ee lectric parking brak eisapplied. Pa
rking thev ehicle forane xtended period Pa
rking thev ehicle forl on gerthan four
we eks #
Method 1: connec tthe batteries toatrick le
ch arge r. #
Method 2: disconnect thev ehicle star terb at‐
te ry. #
Method 3: switchofft he po wersupply using
th eb atter ymain switc hand disconnect the
auxiliar ybatter yonthe vehicle. #
Method 4: interrupt thep owe rsupply byacti‐
va ting standb ymode (/ page137). Th
ec harg eleve loft he batter ymustbec hecked
eve rythre ew eek sifnom easures ar etaken to
maintain theb atter ycharge. #
Batte ryvoltag ebelow1 2.2 V:charge the
batter ytopreve nt deep discharg edamage.
% Fu
rther information can be obtained at a
qu alified specialis tworks hop. St
andb ymode Ac
tivating/deactivatin gstandb ymode
Re quirements:
R thee ngine is switched off.
On-boar dcomputer:
4 Settings 5
Vehicle
5 Ruhezustand (Stan dby) #
Toactivate/deactivate: selectYesorNo. Drivin
gand drivin gsafet ys ystems Note
on driving sy stems and your responsibil‐
ity Yo
ur vehicle is equipped wit hdriving sy stems
whic hassis tyou in driving, parking and maneu‐
ve ring thev ehicle. The driving sy stems ar eaids
and do no trelie veyouofy ourresponsibility.
Alw aysp ayattention tothet raffic and inter vene
if necessa ry.Bea wareofthel imitations rega rd‐
ing thes afeu se of these sy stems. Information about sensors
Cer
tain driving and driving saf etys ystems use
sensors 1tomonitor thea reainf ront of, behind
or next tothev ehicle (depending on thev ehicle's
equipment). Driving and parking
137
st
yletos uitthep reva iling road and weather con‐
ditions.
If yo ua ctivat eord eactivat ethe all-wheel driv ein
av ehicle wit hthis option, ASR will be deactivated
fo rt he duration of thea ctivation/deactivation
process.
Ve hicles without steering wheel but tons: if
ASR is malfunctioning, the00E5 indicator lamp
lights up while thee ngine is running and the
engine output ma ybereduced (/ page24).
ASR impr ovestraction, i.e. thet ransfer of po wer
from thet ires tother oad sur face, foras ustained
period and, thereb y,also impr ovesthe driving
st abilit yoft hevehicle. If thed riving wheels start
to spin, ASR brakes individuald rive wheels and
limits thee ngine torque. ASRthus significantly
assists youw hen pullin gawaya nd accelerating,
especiall yonw etor slippe ryroads.
If traction on ther oad sur face is no tsufficient,
eve nASR will no tallow youtop ullaway without
dif ficulty .The typ eoftires and totalwe ight of the
ve hicle as well as theg radient of ther oad also
pla yac rucial role.
If AS Rinter venes, the00E5 warning lam pinthe
instrument display flashes. Fu
nctions of ESP ®
(Electronic Stability Pro‐
gr am) &
WARNING Risk of skidding if ESP ®
is
malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry
out vehicle stabilization. In addition ,other
driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified spe‐
cialis tworks hop. &
WARNING Risk of skidding if ESP ®
is
deactivated
If yo ud eactivat eESP®
,E SP ®
canno tcarry out
ve hicle stabilization. #
ESP ®
shoul donlybed eactivated in the
fo llowing situations. Do no
topera tethev ehicle on aroller dynamo me‐
te r( e.g. forap erform anc etest). If youh ave to
operat ethe vehicle on aroller dynamo meter,con‐
sult aqualified specialis tworks hop beforehand. If
yo ua ctivat eord eactivat ethe all-wheel driv ein
av ehicle wit hthis option, ESP ®
will be deactiva‐
te df or thed uration of thea ctivation/deactiva‐
tion process.
If ESP ®
is malfunctioning or deactivated, the
00E5 warning lam plight supw hilethee ngine is
ru nning and thee ngine output ma ybereduced
(/ page24).
% Only use wheels wit
hthe recommended tire
sizes. Only then will ESP ®
function properly. Ac
tivating/deactivatin gESP®
(Electronic Sta‐
bility Prog ram) Multimedia sy
stem:
4 © 5
Settings 5
Quick Access
5 ESP
% ESP®
can onl ybeactivated and deactivated
via quicka ccess when at leas tone other
function is available in quicka ccess. Other‐
wise, youc an find ESP ®
in the Assistance
menu. #
Select ESP.
Ap romp tappears. #
Select Onor00BB Off.
If the 00BB ESP®
OFF warning lam plight supc on‐
st antly in thei nstrument clus ter,ESP ®
is deacti‐
va ted.
Obser vethei nformation on warning lamps and
displa ymessages whic hmayappear in thei nstru‐
ment clus ter. Fu
nctions of ESP ®
Crosswind Assist Crosswind Assis
tdoes no tworkifE SP®
is deacti‐
va tedord isabled due toam alfunction.
Crosswind Assis tdoes no treact under thef ollow‐
ing conditions:
R The vehicle is subjected tosevere jolts and
vib rations, e.g .asar esult of une vens urfaces
or po tholes.
R The vehicle loses traction, e.g. on sno worice
or when hydroplaning.
R The driver is per form ing sudden and lar ge
st eering mo vements.
Crosswind Assis tisoperational again as soon as
th ed riving conditions retur nton ormal.
Crosswind Assi stdetects stro ng crosswind gu sts
th at can impair abilit yofyourvehicle todrive Driving and parking
13 9
Cancelin
gabrake application of Activ eB rake
Assi st
Yo uc an cancel abrak eapplicatio nofActive
Brak eAssistat an ytimeb y:
R Fullyd epressin gthe accelerator pedal or with
kickdown.
R Fullyr eleasing theb rake pedal (onl yduring
situation-dependen tbraking assis tance).
Ac tiveB rake Assi stma ycancel theb rake applica‐
tion when one of thef ollowing condition sisfulfil‐
led:
R Youm aneuver toavo idtheo bstacle.
R Thereis no longer arisk of collision.
R An obs tacle is no longer de tected in front of
yo ur vehicle.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R The sensor sareaffected bysno w,rain, fogor
heavy spr ay.
R The sensor saredirty ,fogged up, damaged or
co vered.
R The sensor sareaffected byinter fere nce from
ot her radar sources, e.g. strongradar reflec‐
tions in parking garage s.
R Ifal oss of tir epressur eorad efectivetireh as
been de tected and displa yed.
R Full sy stem per form anc eisn otavailable fora
fe ws econd safter swit ching on thei gnition or
af te rd riving off.
The sy stem ma ynotreact cor rectly in thef ollow‐
ing situations:
R In comple xtraf fics ituations, objects ma ynot
al wa ys be clear lyde tected.
R Pedestrians or vehicles mo vequickl yintot he
de tection rang eoft he sensors.
R Pedestrians ar eobscured by other objects.
R In bends wit hanarrow radius. Setting
Activ eB rake Assi st Requ
irements:
R The ignition is switched on Multimedia sy
stem:
4 © 5
Settings 5
Assistance
5 Active Brake Assist
The following settings ar eavailable:
R Early
R Medium
R Late #
Select asetting.
The Medium setting is selec teda utomatically
eve rytime thee ngine is star ted.
Deactivating Activ eB rake Assi st
% It is
recommended that ActiveB rake Assi stis
alw aysl efta ctivated. #
Select Off.
The dis tance warning function and autono‐
mous brakin gfunction ar edeactivated.
% When
ActiveB rake Assi stis deactivated, the
00D4 symbol appears inthes tatus area of
th em ultifunction displa y. Cruise control
Fu
nction of cruise control
Cruise cont rola ccelerates and brakes thev ehicle
automaticall yinorder tomaintain apreviously
st ored speed.
If yo ua ccelerat etoovertake, fore xamp le,the
st ored speed is no tdele ted. If your emo veyour
fo ot from thea ccelerator pedal af tero vertaking,
cruise control will resume speed regulation back
to thes tore ds peed.
Cruise contro lisoperated using thec orrespond‐
ing steering wheel buttons. Youc an stor ea ny
ro ad speed abo ve15 mp h(20 km/h).
If yo uf ail toadap tyour driving style, cruise con‐
trol can neither reduce ther isk of an accident nor
ove rride thel aws of ph ysics. It canno ttak ei nto
account road, weather or traf ficc onditions.
Cruise control is only an aid. Youa re re sponsible
fo rt he dis tance tothev ehicle in front, forv ehicle
speed, braking in good time and fors taying in
yo ur lane.
Displa ysinthem ultifunction display
The status of cruise control and thes tore ds peed
ar es hown in them ultifunction displa y. 14 2
Driving and pa rking
Displ
ayintheI nstrument Displa y(color display)
1 Cruise cont roliss elected
2 Setspeed gr ay:s peed is stored, cruise con‐
trol is deactivated
3 Setspeed green: speed is stored, cruise con‐
trol is activated
Sy stem limitations
Cruise control ma ybeunable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed when theg radient evens out.
On long and steep downhill gradients, yous hould
ch ang edowntoa lowe rgear in good time. Take
particular no teofthis when driving aladen vehi‐
cle. By doing so, youw ill mak euse of the
engine' sbraking ef fect. Thi srelie vest he load on
th eb rake system and pr events theb rake sf rom
ove rheating and wearing tooq uickl y.
Do no tuse cruise control in thef ollowing situa‐
tions:
R In traf fics ituations whe refrequent speed
ch anges ar erequired, e.g. in heavy traf ficor
on winding roads.
R On slippe ryroads. Accele rating can cause the
driv ewheels tolose traction and thev ehicle
could then skid.
R Ifyo ua redrivin gwhen visibilit yispoor.
Operating cruise cont rol&
WARNING Risk of accident du etostored
speed
If yo uc all up thes tore ds peed and this is
lo we rthan your cur rent speed ,the vehicle
decelerates. #
Take intoa ccount thet raffic situation
befor ecallin gupt hestored speed. Re
quirements:
R ESP ®
is activated, but ma ynotinter vene.
R The driving speed is at leas t15m ph
(20 km/h). #
Toactivat ecruise control: pushrocker
switch 1up. #
Remo veyour foot from thea ccelerator pedal.
The cur rent speed is then sa veda nd main‐
ta ined bythev ehicle. #
Push rocker switch 1up. #
Toincrease/reduce speed: pushrock er
switch 2up or down.
The stored speed is increased or reduced by
1m ph (1 km/h).
or #
Press rocker switch 2up or down and hold.
The stored speed is increased or reduced in
1m ph (1 km/h) increments.
or #
Push rocker switch 2beyond thep ressure
point.
The stored speed is increased or reduced by
5m ph (1 0km/h).
or #
Push rocker switch 2beyond thep ressure
point and hold.
The stored speed is increased or reduced in
5m ph (1 0km/h) increments.
or #
Accele rate thev ehicle tothed esired speed. #
Push rocker switch 2up.
If cruise cont rolisa ctivated and Traf ficS ign
Assi sthas de tected aspeed restriction sig nwith
am aximum permissible speed and this appears
in thei nstrument display: #
Toadop tthe de tected speed: pushrocker
switch 3up.
The maximum permissible speed shown by
th et raffic sign is stored and thev ehicle main‐
ta ins this speed. Driving and parking
14 3
In trailer mode,
theg uide lines ar eshown at
th el eve loft he trailer hitch.
Vi ew of trailer (if trailer hit chis installed) Vi
ew of trailer (if trailer hitc hisinstalled)
1 Yello wg uide line, locating aid
2 Redg uide line at adista nce of appr oximately
1. 0i n( 0.3 m) from theb all head of thet railer
hitch
3 Ball head of thet railer hitch
Side vie wofthe mir rorc ame ras
The sides of thev ehicle can be seen in this vie w. 1
Lane indicating ther out ethe vehicle will take
wit hthe steering wheel in its cur rent position
2 Yello ww arning displa yofParking Assist
PA RKTRONIC: obstacles at adista nce of
appr oximately 3.3 ft(1.0 m) or less
3 Your vehicle from abo ve
4 Markeroft he wheel contact points
5 Guide line of extern al vehicle dimensions
wit ho utside mir rors folded out
If th ed ista nce totheo bject lessens, thec olor of
wa rning display 2changes.
Sy stem failure
If th er eisnoo perational readiness, thef ollowing
messag eappear sinthe multimedia sy stem: Sy
stem limitations
The 360 °Camera will no tfunction or will only
partiall yfunction in thef ollowing situations:
R The front door sareopen.
R The side mir rors aref olded in.
R Ther eish eavyrain, sno worfog.
R The ambient light is poor ,e.g. at night.
R The area is lit byfluorescent light (the displ ay
ma yflicke r).
R Ifth er eisas uddenchang eint emperature,
e.g. when driving int oaheated garage in win‐
te r.
R The ambient temp eratur eisveryh igh.
R The camer alens is obstructed, dirty or fogged
up.
R Cameras, or vehicle components in whic hthe
cameras ar einstalled, ar edamaged. In this
eve nt, ha vethec ameras, their position sand
th eir setting checkedataq ualified specialist
wo rkshop.
Do no tuse the3 60° Camer aunder suc hcircum‐
st ances. Youc oul do therwise injur eother sorc ol‐
lide wit hobjects when parking thev ehicle.
On vehicles wit hheight-adjus table suspension or
if th ev ehicle is car rying aheavy load, leaving the
st andar dheigh tcan result in inaccuracies in the
guide lines and in thed ispla yoft hegenerated
ima ges, depending on tech nica lconditions.
The field of vision and other functions of thec am‐
er as ystemm aybe restricted du etoadditional
attachments on thev ehicle (e.g. loading tailgate).
% The contras
tofthe displa ymaybe impaired
by abrup tdirect sunlight or by other light
sources, e.g. when driving out of agarage. In
th is case, pa yparticular attention.
% Ha
ve thed ispla yrepaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use. Driving and pa
rking 151
The imag
efromt he 360° Camer aappear sauto‐
maticall yinthe multimedia sy stem when thef ol‐
lowing condition sarefulfilled:
R The ignition is switched on.
R The rear-en ddoor sareopened.
This mean sthat thea reab ehind thev ehicle can
be monitored.
When ther ear-end door sareclosed, thei mage
from ther ear vie wcamer aiss witched of fafter
appr oximatel yten seconds.
See then otes on cleaning the3 60° Camera
(/ page274).
Selecting aviewf or th e360°C ame ra
Re quirements:
R The Auto. Rear View Cam. is activated inthe
multimedia sy stem (/ page152). #
Engag ereve rseg ear. #
Select thed esired vie winthe multimedia sys‐
te m.
Ac tivating/deactivatin gautomati coperation
of the rear vie wcamera
The rear vie wcamer aiso nlyana id. It is no ta
substitut efor youp aying attention tothes ur‐
ro undings. Youa realw aysr esponsibl efor safe
maneuvering, parking in and exitin gfromap ark‐
ing space. Mak esuret hat no persons, animals or
objects etc. ar eint he pat hofyourvehicle. Pay
attention toyour sur rounding sand be ready to
brak eata ll times.
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Camera &Parking #
Activat eord eacti vate Auto .RearV iewC am..
Ac tivating/deactivatin gmaneuverin gassis‐
tance
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Camera &Parking #
Activat eord eacti vate Maneuvering Assist..
% When maneuvering assis tance is acti vated,
th ef ollowing function sareactive:
R Driv eAwayA ssist ( / pag e156)
R Rear Cross Traf ficA lert(/ page 156) AT
TENTION ASSI ST Fu
nction of ATTENTION ASSI ST
AT TENTION ASSIS Tcan assis tyou on long,
mono tonou sjou rney s, e.g. on free ways and
ex pressw ays. If ATTENTION ASSIS Tdetects ind i‐
cator soffatigue or increase dlap sesinc oncen‐
tration on thep artoft he driver ,itsuggests taking
ab reak.
AT TENTION ASSIS Tisonlyana id. It cannot
alw aysd etect dr owsiness or increased lapses in
concentration in good time. The sy stem is no ta
substitut efor aw ell-res teda nd attentiv edrive r.
On long journe ys,tak er egular and timel ybreaks
th at allo wyoutorest properly.
Yo uc an choose between tw osettings:
R Standard: normal sy stem sensitivity
R Sensitive: higher system sensitivity .The
driver is warned earlier and thea ttention le vel
de tected bythes ystem (Attention Le vel) is
adap teda ccordingly.
If fatigue or increased lapse sinconcentration are
de tected, theATTENTION ASSIST: Take aBreak!
wa rning appear sinthe Instrument Displa y.Yo u
can acknowledge them essag eand take ab reak if
necessar y.Ifyo udon ottake ab reak and ATTEN‐
TION ASSIS Tcontinues todetect increased lap‐
ses in concentration, youw ill be warned again
af te ram inimu mof15m inutes. Instrument Displa
y(color display)
Yo uc an ha vethef ollowing status information for
AT TENTION ASSIS Tdispla yedint he Assis tance
menu of theo n-boar dcomputer:
R The journe ylengt hsince thel astb reak
R The attention le veld etermined byATTENTION
ASSIS T:
- The fuller thec ircle is, theh igher the
de tected attentio nleve lis
- The circle in thec enter of thed isplay
em pties from theo utside in wardsas
attentiveness decreases 15 2
Driving and pa rking
Instrument Displa
y(bla ckand whit edisplay)
Yo uc an ha vethef ollowing status information for
AT TENTION ASSIS Tdispla yedint he Assis tance
menu of theo n-boar dcomputer:
R The journe ylengt hsince thel astb reak
R The attention le veld etermined byATTENTION
ASSIS T:
- The fuller theb ar is, theh igher thed etec‐
te da ttention le velis
- The bar em pties as attentivenes sdecrea‐
ses
If AT TENTION ASSIS Tcann otcalculat ethe atten‐
tion le vela nd canno tissue awarning ,the Atten-
tion Level messageappears.
If aw arning is displa yedint he instrument displa y,
th em ultimedia sy stem of fers to sear chforar est
area. Youc an selec taresta reaa nd star tn aviga‐
tio ntot hisrest area. This function can be activa‐
te da nd deactivated in them ultimedia sy stem.
If AT TENTION ASSIS Tisdeactivated, the00D7
symbol appear sinthe assis tance graphi cinthe
instrument display whenthee ngine is running.
AT TENTION ASSIS Tisactivated automatically
when thee ngine is re-sta rted. The las tselected
sensitivity le velremain sstore d.
Sy stem limitations
AT TENTION ASSIS Tisactiveint he37 mph
(60 km/h) to124m ph (200 km/h )spee drange.
Th ef unctionality of ATTENTION ASSIS Tisrestric‐
te d, and warnings ma ybedelayedorn otoccur at
all, in thef ollowing situations:
R The journe ylasts less than appr oximately
30 minutes
R The road condition is poor (une venr oad sur‐
fa ce or po tholes)
R The vehicle is subjected toas tron gc rosswind
R Youh ave asporty drivin gstyle (hig hcorner‐
ing speeds or high ratesofa cceleration)
R The time is se tincor rectly R
Youc hang elane sand vary your spee dfre‐
qu ently in activ edriving situations
The ATTENTION ASSIS Tdrow sines sora lertness
assessment is dele teda nd restar tedw hen con‐
tinuin gthe journe yinthefollowing situations:
R Ifyo us wit ch offt he engine
R Ifyo uu nfas teny our seat belt and open the
driver's door (e.g. chang edrive rs or take a
break)
Setting ATTENTION ASSI ST
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Attention Assist
Setting options #
Select Standard, SensitiveorOff.
Suggesting aresta rea #
Select Suggest Res tArea. #
Activat eord eacti vate thef unction.
If AT TENTION ASSIS Tdetects fatigue or an
increasing la ckof attention ,itsuggests a
nearb yresta rea. #
Select asugges tedr esta rea.
Yo ua reguided tothes elected rest area. Tr
af ficS ign Assist Fu
nction of Traf ficS ign Assist Tr
af ficS ign Assi stdetects traf fics igns wi thmulti‐
function camera 1.Itassistsy ou bydisplaying
de tected speed limits and overtakin grestrictions
in thei nstrument clus ter.
Since Traf ficS ign Assi stalso uses thed ata
st ored in then avigation sy stem, it can also
updat ethe displa ywithout de tecting traf fics igns:
R whe nthe vehicle changes roads, e.g .fre eway
entry orexitro ad
R when avillag eorc ityb oundar ystore dint he
digital map is passed Driving and parking
15 3