
eral acceleration
,displa yoft hefast ened seat
belts)
R malfunctions or defectsini mportant sy stem
components (e.g. lights, brakes)
R information on vehicle damag eevents
R system reaction sinspecial drivin gsituations
(e.g. airbag deployment, inter ventio nofs ta‐
bilit ycontrol sy stems)
R ambient conditions (e.g. temp erature, rain
sensor)
In addition toprov iding thea ctual control unit
function ,this dat aassists them anufacturer in
de tecting and rectifying faults and optimising
ve hicle functions. The majority of this dat ais
te mp orar yand is onl yprocessed in thev ehicle
itself. Onl yasmall portion of thed ataiss tored
in thee vent or fault memor y.
When your vehicle is serviced, tech nica ldata
from thev ehicle can be read out byservice net‐
wo rkemplo yees or thirdp arties .Services
include repair services, maintenanc eprocesses,
wa rrant yevents and qualit yassurance meas‐
ures, fore xamp le. The read out is per form ed via
th el egall yprescribed por tfor OBD ("on-board diagnostics"
)inthevehicle. The respective
service networ klocations or thirdp arties col‐
lect ,proces sand use thed ata. The ydocument
te ch nica lstatuses of thev ehicle, assis tinfind‐
in gf aults and impr oving qualit yand ar etrans‐
mit tedtot he manufacturer ,ifnecessar y.Fu r‐
th ermore, them anufacturer is subject toprod‐
uct liability .For this, them anufacturer requ ires
te ch nica ldataf romv ehicles.
Fa ult memories in thev ehicle can be rese tbya
service outle taspartofr epair or maintenance
wo rk.
The ycan enter dat aintot he vehicle's con veni‐
ence and inf otainment function sthemselves as
par toft he selected equipment.
This includes, fore xamp le:
R multimedia dat asuchasm usic,films or pho‐
to sf or playbac kinanintegrated multimedia
sy stem
R address book dat afor use in connection with
an integrated hands-free sy stem or an inte‐
grated navigation sy stem
R entered navigation destinations
R dataabout theu se of Interne tservices This dat
acan be stored locally in thev ehicle or
is located on adevice whic hyou ha veconnected
to thev ehicle. If this dat aisstore dint hevehi‐
cle, youc an dele teit at an ytime. This dat acan
onl ybet ransmit tedtot hirdp arties upon your
re qu estw ithp articular rega rd tothes cope of
use of online services according to your selected
settings.
Yo uc an stor eorc hangeconvenience settings/
individualisations in thev ehicle at an ytime.
Depending on thee quipment, this includes, for
ex ample:
R seat and steering wheel position settings
R suspension and climat econtrol settings
R individualisations suc hasinterior lighting
If yo ur vehicle is accordingly equipped,y ou can
connect your smartphon eoranother mobile end
device tothev ehicle. Youc an cont rolthem via
th ec ontrol element sintegrated in your vehicle.
Images and audiof romt he smartphone can be
output via them ultimedia sy stem. Cer tain infor‐
matio nissimultaneousl ytransmit tedtoy our
smartphone. 28
General no tes

Sy
stem limitations
No lane-cor recting brak eappli cation occu rsin
th ef ollowing situations:
R Youc lear lyand activel ysteer,b rake or accel‐
erate.
R Youh ave switched on thet urns ignal indica‐
to r.
R Adriving sa fety sy stem inter venes, su chas
ESP ®
,A ctiv eBrake Assi stor ActiveB lind
Spo tAssist.
R Youh ave adop tedas porty driving stylew ith
high cornering speeds or high ratesofa ccel‐
eration.
R ESP ®
is deactivated.
R Ifal oss of tyr epressur eorad efectivetyre
has been de tected and displ ayed.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth er eisp oor visibility ,e.g. due toinsuf fi‐
cient illumination of ther oad, highl yvariable
shade conditions, or due torain, sno w,fogor
heavy spr ay. R
Ther eisg lare, e.g. from oncoming traf fic, the
sun or reflections.
R Ifth er eisd irtont he windscreen in thev icin‐
ity of them ultifunction camer aorthe camera
is mis tedu p, damaged or obscured.
R Noor se veral, unclear lane markings are
presen tfor one lane, e.g. near roadwor ks.
R The lane markings ar eworn, dar korcovered.
R The dis tance tothev ehicle in front is too
small and thel ane marking sthus canno tbe
de tected.
R The lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
R The car riag ew ay isvery nar row and winding.
Ve hicles with Drivin gAssistanc epacka ge or
Driving Assistance Plus pa ckage: ActiveL ane
Ke eping Assis tuses radar sensor stomonitor
se verala reas around thev ehicle. If ther adar
senso rsinther ear bumper ar edirty or co vered
wit hs now, thes ystemm aybe impaired or may
no tfunction .Ifano bstacle in thel ane in which
yo ua redrivin ghas been de tected, no lane-cor‐
re cting brak eappli cation occu rs. Ac
tivatin gActive Lan eKeeping Assist &
WARNING Risk of accident despi te
Ac tiveL aneK eeping Assis twarning
Al ane-cor recting brak eappli cation cannot
al wa ys bring thev ehicle bac kintot he origi‐
nal lane. #
Alw ayss teer,b rake or accelera teyour‐
self ,especiall yifActiveLaneK eeping
Assis twarns youorm akesalane-cor‐
re cting brak eappli cation. &
WARNING Risk of accident despi teinter‐
ve ntio nofA ctiveLaneK eeping Assist
Ac tiveL aneK eeping Assis tdoes no tdetect
traf ficc onditions or road users. In very rare
cases, thes ystem ma ymakeani nappropri‐
at eb rake application, e.g. af teri ntentional ly
driving overas olidl ane marking.
The brak eapplication can be inter rupte dat
an yt ime if yous teer slightl yinthe opposite
direction. Driving and parking
229

R
Vehicles with atyrep ressur emonitoring
sy stem: allfitted wheels mu stbe equipped
wit hfunctioning sensor sfor thet yrep res‐
sur em onitoring sy stem.
R Attemp eratures belo w7°C, use winter tyres
or all-season tyres mar kedM +Sfora ll
wheels.
Wi nter tyres bearing thei snowflake
symbol in addition totheM +S marking pro‐
vide theb estp ossible grip in wintr yroad
conditions.
R ForM +S tyres, only use tyres wit hthe same
tread.
R Obser vethem aximum permissible speed for
th eM +S tyres fitted.
If th is is belo wthe vehicle's maximum speed,
th is mus tbeindicated in an appropriat elabel
in thed rive r's field of vision.
R Runinn ewtyres at moderat espeed sfor the
fi rs t1 00 km.
R Replace thet yres af ters ixyearsatt he latest,
re ga rdless of wear. R
When replacing with tyres that do not
fe atur erun-flat characteristics: vehicles
wit hM OExtended tyres ar enotequipped
wit haT IREFIT kit at thef actor y.Equi pthe
ve hicle wit haTIREFIT kit af terr eplacing with
tyres that do no tfeatur erun- flat characteris‐
tics, e.g .winter tyres.
Fo rm orei nformation on wheels and tyres, con‐
ta ct aq ualified specialis tworks hop.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e397)
R Tyre pressur etable (→ page398) Note
soni nterchanging wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent whee lsizes
Inter changing thef ront and rear wheels if the
wheels or tyres ha vediffere nt dimensions
ma yseve rely impair thed riving characteris‐
tics. The disk brakes or wheel suspension compo‐
nents ma yalso be damaged. #
Rotate front and rear wheels on lyifthe
wheels and tyres ar eofthe same
dimensions. Inter
changing thef ront and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nde rthe general operating pe rmit in valid.
The wear pat tern sont he front and rear wheels
dif fer:
R Front wheels wear mor eonthe shoulder of
th et yre
R Rear wheels wear mor einthe centre ofthe
tyre
On vehicles wit hthe same front and rear wheel
size, youc an inter chang ethe wheels every
5,000 to10,000 km, dependin gonthewear.
Ensur ethe direction of rotatio nism aintained for
th ew heels.
It is imperativ etoobservethei nstruction sand
saf etyn otes on "Wheel change" when doin gso. Wheels and tyres
407

È
.................................................... 451
_Example: Front lef tseat back‐
re st notloc ked ................................... 469
bExample: Lef tdipped beam ........470
Fa ult Driv eatmax.80k m/h .............. .447
Fr ont-passenger airbag disabled See
Owner's Manual ..................................4 44
Fr ont-passenger airbag enabled See
Owner's Manual ..................................4 43
!inoperativ eSee Owner' sMan‐
ual ....................................................... 429
÷inoperativ eSee Owner' sMan‐
ual ....................................................... 431
Tinoperativ eSee Owner' sMan‐
ual ....................................................... 433
GInope rative ................................. .438
bIntelligent Ligh tSystemi noper‐
ative ....................................................4 70
ÂKe ynotdetected (red displ ay
messa ge).............................................4 61Â
Keyn otdetected (whit edispl ay
messa ge).............................................4 61
Le tfresh air int othe vehicle interior!
Air conditioningm alf.Visit workshop .. 465
Limiter inoperative ...............................4 51
Limiter passive ..................................... 451
Lo we ring ............................................. 452
bMalfunctio nSee Owner' sMan‐
ual ....................................................... 470
max. speed 35 km/h ..........................452
ðMaximum spee dexceeded ..........4 52
Np ermanently activ eRiskofv ehicle
ro lling .................................................. 462
ëOff .............................................. .450
Onl yselect Park (P) when vehicle is
st ationary ............................................ 462
!Pa rking brak eSee Owner's
Manual ................................................ 435
ÂPlace thek eyinthem arked
space See Owner's Manual ................. 461PRE-SAFE inoperativ
eSee Owner's
Manual ................................................ 439
Ra dar sensor sdirty See Owner's
Manual ........................................ 440,441
h Rectify tyr epressure ................... 457
! Release parkin gbrake ................ 434
Re place keyS eeOwner' sManual ........ 460
ÂRe placekey................................ .460
8Re servefuel le vel........................ 455
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 442
Re versing no tposs. Consult work‐
shop ....................................................4 63
Risk of vehicle rolling Driver door
open and transmission no tinP...........462
Speed limi t(winter tyres) XXX km/h ... 452
# Starte ngine See Owner' sMan‐
ual ...................................................... .454
Ð Steering malfunction Drive
carefull yVisit workshop ......................4 65498
Index

ÐSt
eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 466
ÐSt eering malfunction Stop
immediatel ySee Owner's Manual .......466
St op vehicle Lea veengine running
Wa itTransmission cooling ...................464
# Stop vehicle Lea veengine run‐
ning ..................................................... 455
#St opvehicle See Owner's Man‐
ual .......................................................4 54
É Stop vehicle Vehicle tool ow ........ 446
b Switc hofflights ........................... 471
b Switc honh eadlamps .................. 471
To shif tout of PorN,d epress brake
and star te ngine .................................. 462
To pupc oolant See Owner ’sManual ... 453
¥To pupwasherfluid .................... .469
Tr af ficS ign Assi stCamer aview
re stricted See Owner's Manual ...........449 Tr
af ficS ign Assi stcur rently una vaila‐
ble See Owner's Manual ......................449
Tr af ficS ign Assi stinope rative ............. 449
Tr ansmission Malfunction Stop ........... 463
! Turn on thei gnition torelease
th ep arking brake ................................ 433
Ty re press. monitor cur rentl yu navail‐
able .................................................... .458
Ty re press. monitor inoperative ...........459
Ty re press. monitor inoperativ eNo
wheel sensors .................................... .459
Ty re pressur eChec ktyres ...................4 56
dVe hicle is operational Switch
of ft he ignition befor eexiting ............. .463
ÉVe hiclerising Please wait............ 445
É Vehicle rising ...............................4 45
hWa rning tyr edefect .................... .458
hWheel sensor(s) missing ............. 459
Wi thout changing gear,c onsult work‐
shop ....................................................4 63Displa
yonthe windsc reen
see Head-up display
Distance control see ActiveD ista nce Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see ActiveD ista nce Assi stDISTRONIC
Door Additional door loc k............................. .66
Lockin g(from inside) .............................67
Opening (from inside) ............................66
Po we rclosing function ......................... .71
Un lockin g(emer gency key) .................... 71
Un lockin g(from inside) ........................ .66
Door cont rolp anel .................................... .12
Door cont rolp anel (rear) .......................... 14
Drink sholder
see Cup holder
Driv eAwayA ssist .................................... 217
Driv eposition
Selecting ............................................ .158 Index
499

Driv
eprogram display ............................ .155
Driv eprograms
see DYNA MIC SELECT
Driving lights see Automatic driving lights
Drivin gsafet ys ystem ............................ .170
ABS (Anti-loc kBraking Sy stem) ........... 171
Ac tiveB rake Assi st.............................. 175
Ad aptiv ebrake light s........................... 180
BA S(Brak eAssistSystem) ...................1 71
EBD (Electroni cBrake forc eD istribu‐
tion )..................................................... 175
ESP ®
(Electroni cStabilit yProgram)
Crosswind Assis t.................................. 174
Overvie w..............................................1 71
Ra dar sensor s..................................... .170
Re sponsibility ...................................... 17 0
ST EER CONTROL ................................. 175
Drivin gsystem
see 360 °Camera
see ActiveB lind Spo tAssist
see ActiveD ista nce Assi stDISTRONIC
see ActiveL aneK eeping Assist
see ActiveP arking Assist see
ActiveS peed Limi tAssist
see ActiveS teering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spo tAssist
see Cruise control
see Driving saf etys ystem
see HOLD function
see Limiter
see MAGIC BODY CONTROL
see Night View Assi st
see Parking Assis tPARKTRONIC
se eR eversing camera
see Traf ficS ign Assi st
Drivin gtips
Drivin gabroad (changin gthe lights) ..... 11 9
Gene rald rivin gtips .............................. 151
Ru nning-in no tes. .................................1 50
Dr ow siness de tection
see ATTENTION ASSIST
Dynamic handling control sy stem
see ESP ®
(Elect ronic Stabilit yProgram)
DY NA MIC SELECT .................................... 15 5
Con figuring driv eprogram I................. 15 5Displ
aying engin edata. ...................... .155
Displ aying vehicle dat a........................ 15 5
Driv eprogram displ ay......................... .155
Driv eprograms ................................... .155
Fu nctio n.............................................. 15 5
Operating (DYNAMIC SELECT switch) .............................................................1 55
Selecting thed rive program ................1 55 E
E10 ............................................................ 422
Easy entr yfeature
Fu nction/no tes. ....................................99
Setting ................................................. 101
Easy exitfeature
Fu nction/no tes. ....................................99
Setting ................................................. 101
EBD (Electronic Brak eforce Distribu‐
tion)
Function/no tes. ................................... 175
ECO display Functio n.............................................. 154
Re setting. ............................................ 235 500
Index