RVehicles with 4MATIC: Thevehicle is
ra ised by1.3i n( 35 mm) compared tothe
normall evel.
Yo ur selection issave d.
The vehicle is lo wereda gain in thef ollowing sit‐
uations:
RYo ua redrivin gfastert han 49 mph
(80 km/h).
RYo ua redrivin gbetwe en 37 mph(60 km/h)
and 49 mph(80 km/h )for appr oxima tely
th re em inutes.
RYous elect adrive prog ramu sing the
DY NA MIC SELECT switch.
The vehicle is adjus tedtot he height of thel ast
activ edrive program.
Lo weri ngthev ehicle
#Press but ton1.
Indicator lamp 2goes out. The vehicle is
adjus tedtot he height of thel asta ctiv edrive
program.
PA RKTRONIC
Functions of PARKTRONIC
PARKTRONI Cisanelectronic parkin gassistance
sy stem wit hultrasonic sensors. It monitor sthe
area around your vehicle using six sensors 1in
th ef ront bumper and six sensor sintherear
bumper .PARKTRONIC indicates visually and
audibly thed ista nce betwee nyour vehicle and
an object.
PA RKTRONI Ciso nly an aid. It is no tasubstitute
fo ry our attention tothei mmediat esurround‐
ings. The responsibility fors afem aneu vering and
pa rking remains wit hyou. Mak esuret hat there ar
enop ersons, animals or objects in range
whil emaneu vering and pa rking.
In thes tandar dsetting ,ani ntermitte ntwa rning
to ne sounds beginning at adista nc eof1 .0ft
(0.3 m) toan obs tacle .Ac ontinuoust one
sounds beginning at adista nc eof0 .7ft(0.2 m).
Yo uc an se tthe warning tone in them ultimedia
sy stem so that it will sounde arlier atgreaterd is‐
ta nces (3.3 ft(1.0 m)) (
→pag e174).
If PA RKTRONI Cisdeactivated, Parking Pilo tis
una vailable.
PA RKTRONICd isplayinthem ultimedia sys‐
te m
If Pa rking Pilo tisdeactivated and an obs tacle is
de tected in thep athoft hevehicle, apop-up win‐
do wf orPARKTRONI C1 appear sinthe multi‐
media sy stem at speeds up to6m ph (1 0km/h).
Ve hicles with Parking Pilo tand rear vie w
c
amera:
17 2
Driving and pa rking
Vehicles with Parking Pilo tand 360° Cam‐
era:
Sy stem limitations
PA RKTRONI Cdoes no ttak ei ntoa ccount thef ol‐
lowing obs tacles:
RObs tacle sb elow th edetection range, e.g.
pe rsons, animals or objects.
RObs tacle sabove thed etection range, e.g.
ove rhanging loads, overhang sorl oading
ra mp soft ruck s.
The sensor smustbef reeofd irt, ice and slush.
Otherwise, they ma ynotfunction cor rectl y.
Clean thes ensor sregular ly,t aking ca renotto
scratc hordamagethem.
Ve hicles with traile rhitch: PARKTRONI Cis
deacti vatedf or ther ear zone when youe stablish
an elect rical connection between your vehicle
and atrailer.
Deactivating/activating PARKTRONIC
* NO
TERisk of an accident from objects
at close range
PA RKTRONI Cmaynotd etect cer tain objects
at close range.
#Whe nparkin gthe vehicle, pa yparticular
attention toanyo bject swhicha re
abo veor belo wthe sensors, e.g. flowe r‐
pots or dr awbars. The vehicle or other
objectsc ouldotherwise be damaged.
Mak esuret hat ther ea reno persons, animals or
objects in rang ew hile maneu vering and pa rking.
If indicator lamp 1is no tlit, PA RKTRONI Cis
active.
Drivin gand parkin g17
3
Arisk of acollision ma yarise in thef ollowing sit‐
uations, fore xamp le:
RIfth ed rive rm ixes up thea ccelera tora nd
brak epedals.
RIfth ew rong gear is selecte d.
The Driv eAwayA ssistfunction is activ eunder
th ef ollowing conditions:
RIfPA RKTRONI Cisa ctivated.
REver ytimet he gear is changed toRor D
when thev ehicle is at astandstill.
RIfth eo bstacle is less than 3. 3ft(1.0m )
aw ay.
RIfth em aneuvering assis tance functio nis
acti vatedint he multimedia sy stem.
Driv eAwayA ssistis una vailable on inclines and
when drivingw ithat railer.
Cross Traf ficA lert
Ve hicles with Blind Spo tAssis t:Driver scan
also be warned of an ycrossing tra ffic when
backin gupout ofaparkin gspace. If acritical
situation is de tected, awarning symbol appears
on thec amer aimag eoft he multimedia sy stem. If
th ed rive rd oes no trespond tothew arning,
th ev ehicle's brakes can be applied automati‐
call y.To do this, thef unction uses ther adar sen‐
sor sint he bumper .The area adjacen ttothe
ve hicle is continually monitored.
If th er adar sensors areo bstructed byvehicles
or other objects, de tection is no tpossible.
The Cross Traf ficA lertfunction is acti veunder
th ef ollowing conditions:
RIf Blind Spo tAssis tisa ctivated.
RIfth ev ehicle is backing up at walkin gpace.
RIfth em aneuvering assis tance functio nis
acti vatedint he multimedia sy stem.
Ac tivating/deactivatin gmaneuverin gassis‐
tance
Multimedia sy stem:
,Vehicle.k Assistance.Parking
Pilot.Maneuverin gAssist.
#Switc hthe function on Oor off ª.
ATTENTION ASSIST
Fu nction of ATTENTION ASSIST
AT TENTION ASSIS Tassists youo nlong, mon oto‐
nous journe ys,e .g. on highw aysa nd trunk roads.
If AT TENTION ASSIS Tdetects ind icator soff ati‐
gue or increasing lapse sinconcentration on the
par toft he driver ,itsuggests taking abreak .
AT TENTION ASSIS Tisonlyana id. It cann ot
alw aysd etect fatigue or lapses in concentration
unti ltoo late. The sy stem is no tasubstitut efor a
we ll-res teda nd attentiv edrive r.On long jour‐
ne ys,tak er egular break singood time that allow
fo ra dequ ater ecuperation.
Yo uc an choose between tw osettings.
RSt andard: normal sy stem sensitivity
RSensitive: higher system sensitivity .The
driver is warned earlier and thea ttention
le ve ld etected byATTENTION ASSIS Tisadap‐
te da ccordingly.
If dr owsines sori ncreasingl apses in concentra‐
tio na redetected, theATTENTION ASSIST: Take
aB reak! warning appear sinthe Instrument Dis‐
pla y.Yo uc an ackn owledg ethe messag eand
184
Driving and pa rking
#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
RYouh avea dop tedas porty driving stylew ith
high cornering speeds or high ratesofa ccel‐
eration.
RESP®is deactivated.
RWhen driving wit hatrailer, thee lectrical con‐
nection tothet railer has been cor rectly
es tablished.
RIfal oss of tir epressur eorad efectivetire
has been de tected and displ ayed.
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
RTher eisp oor visibility, e.g. duetoinsuf ficient
illumination of ther oad, highly variable shade
conditions, or due torain, sno w,fogorh eavy
spr ay.
RTher eisg lare, e.g. from thes un, reflections
or oncoming tra ffic.
RTher eisd irtont he windshield in thev icinity
of them ultifunction camer aorthe camer ais
fo gged up, damaged or obscured.
RNo or se veral, unclear lane markings are
presentf or one lane, e.g. in aconstruction
area.
RThe lane markings ar eworn, dar korcovered.
RThe dis tance tothev ehicle in front is too
small and thel ane markings thus canno tbe
de tected.
RThe lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
RThe road is very nar rowa nd winding.
Ve hicles with Drivin gAssistanc ePacka ge or
Driving Assistance Plus Package: ActiveL ane
Ke eping Assis tuses radar sensor stomonitor
se verala reas around thev ehicle. If ther adar
senso rs
inther ear bumper ar edirt
y or covered
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 occurs .
Ac tivatin gActive Lan eKeeping Assist
&
WARNING Risk of accident despite
wa rning from ActiveL aneK eeping Assist
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,e speciall yifActiveLaneK eeping
Assis twarns youorm akesalane-cor‐
re cting brak eappli cation.
&
WARNING Risk of accident despite inter‐
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.
#Alw aysm akes uret hat ther eiss uffi‐
cient dist ancetot he side foro ther traf‐
fi coro bstacles.
&
WARNING Risk of accident despite Lane
Ke eping Assist
Lane Keeping Assis tcannot alwaysc learly
de tect lane markings.
19 2
Driving and pa rking
thes ystem is no toperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur eindicator lamp. When
th es ystem de tects am alfunction, thei ndica‐
to rlamp wil lflash fora pproxima tely am inute
and then remain continuously illumina ted.
This sequence will continue upon subsequent
ve hicle start-ups as longast he malfunction
ex ists.
When them alfunction indicator is illumina‐
te d, thes ystemm aynotbea bletodetect or
signal lo wtirep ressur easi ntended. TPMS
malfunctions ma yoccurf orav ariety of rea‐
sons, includingt he installation of incompati‐
ble replacemen toralternat etires or wheels
on thev ehicle that pr event theT PMS from
functioning proper ly.
Alw aysc hec kthe TPMS malfunction warning
lam pafter replacing one or mor etires or
wheels on your vehicle toensur ethat the
re placemen toralternat etires and wheels
allo wthe TPMS tocontinu etofunction prop‐
er ly.Using atirep ressur esensor ,the sy stem checks
th et irep ressur eoft he tires ins talled on the
ve hicle.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomaticall ytaught-in thef irst tim ethe
ve hicle is driven.
The tir epressur eappears inthem ultifunction
displa y(
→page197).
If th er eisas ubstantia lpressure loss or if the
tir et emperatur eisexcessive, awarning will be
given:
RVi ad ispla ymessages (→page382).
RViat he h warning lam pinthe instrument
clus ter(→pag e410).
It is thed rive r's responsibility tosetthe tire
pressur etotherecommended cold tir epressure
suitable fort he operating situation. Se tthe tire
pressur efor cold tires using atirep ressure
ga uge. Notethat thec orrect tir epressur efor the
cur rent operating situatio nmustfirst be taught-
in to thet irep ressur emonitoring sy stem.
In mos tcases, thet irep ressur emonitoring sys‐
te mw illautom atically updat ethe ne wreference va
lues af tery ou ha vechanged thet irep ressure.
Yo uc an,h ow ever,a lso updat ethe refere nce val‐
ues byrestartin gthe tir epressur emonitoring
sy stem manuall y(
→page318).
Sy stem borders
The tir epressur emonitoring sy stem does not
issue awarning:
RIfth et irep ressur eiss etincor rectly.
RIfth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tire.
RIf th er eisam alfunction caused byano ther
ra dio signal source.
Be sur etoalso observ ethe following fur ther
re lated subjects:
RNo tesont irep ressur e(→page312)
Checking thet irep ressur ewitht he tir epres‐
sur em onitoring sy stem
Requ irements
RThe ignition is switched on.
Wheels and tires 317
Onlyuse tires, wheels or accessories tested
and appr ovedbyM ercedes-Benz.
*NO
TERisk todriving saf etyf romr etre a‐
de dt ires
Retreade dtires ar eneith er tested nor recom‐
mended byMercedes-Benz, since pr evious
damag ecanno talway sbed etected on
re treade dtires.
Fo rthis reason drivin gsafet yc anno tbeg uar‐
anteed.
#Do no tuse used ti resify ou ha veno
informatio nabout their pr evious usage.
* NO
TEPossible damag etowheels or tires
when drivin govero bstacles
Larg ewheelsh avealow er tir esection wid th.
The lo werthe tir esection width, theg reater
is ther isk of dama getowheels or tires when
drivingo vero bstacles.
#Av oid obs tacle sord rive part icular ly
carefully.
* NO
TEDama getoelectronic component
parts from theu se of tire-mounting tools
Ve hicles with atirep ressur emonitoring
sy stem: Electronic component parts are
located in thew heel. Tire -mounting tools
should no tbeused in thea reaoft hevalve.
This could otherwise damag ethe electronic
component parts.
#Ha ve thet ires changed at aqualified
specialis tworks hop onl y.
*NO
TEDama getosummer tires at low
ambient temp eratures
Using summer tires at very lowa mbientt em‐
peratures can caus ecrack stof orm, thereby
damaging thet ires permanentl y.
#Attemp eratures belo w45°F(7°C) use
M+S tires.
Ac cessor yparts that ar enotappr ovedfor your
ve hicle byMercedes-Benzort hat arenotbeing
used cor rectl yc an impair ope rating safe ty. Befor
epurch asing and using non-appr oved
accessori es, visitaqualified specialis tworks hop
and inquir eabout:
RSuitability
RLegal stipulations
RFa ctor yrecommendations
Obser vethef ollowing when selecting, mounting
and replacing tires:
ROnl yuse tires and wheels of thes ame type
at ag iven time (summer tires, winter tires,
MOEx tende dtires) and thes ame make.
ROnl ym ount wheels of thes ame size on one
axle (lef tand right).
It is onl ypermissible tomount adiffe re nt
whee lsizeint heevent of aflat tir eino rder
to driv etot he specialis tworks hop.
ROnl ym ount tires of thec orrect size ont othe
wheels.
RVe hicles with atirep ressur emonitoring
sy stem: All mounte dwheels mus tbeequip‐
ped wit hfunctioning sensor sfor thet ire
pressur emonitoring sy stem.
332
Wheels and tires
Displaymessages
Possible causes/consequences and MSolutions
Radar Sensors Dirt ySee
Operator' sManual *T
heradar sensor sy stem is malfunctioning. Possible causes are:
Rsoiling of thes ensors
Rheavy rain
Rex tende ddriving on inter-urba nroads without moving traf fic, e.g. in thed esert
Driving sy stems and driving saf etys ystems ma ybem alfunctioning or temp oraril yunavailable.
When thec auses no longer appl y,driving sy stems and driving saf etys ystems ar eavailable again.
If th ed ispla ymessag edoes no tdisappear:
#Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions.
#Cleana llsensors .
#Restar tt he engine.
Active Brake Assist Func-
tions Currently Limited See
Operator's Manual *
Ac tiveB rake Assi stwit hc ross-traf ficf unction, Evasi veSteering Assis torPRE‑SAFE
®PLUS is temp oraril yunavaila‐
ble or onl ypartiall yavailable.
The ambient conditionsa reoutside thes ysteml imits (
→pag e152).
#Driv eon.
As soo nasthe ambient conditions ar ewithin thes ystem limits, thes ystems will be available again.
#Ifth ed ispla ymessag edoes no tdisappear ,stopt he vehicle while paying attention toroad and traf ficc onditions
and restar tt he engine.
Displa ymessages and warning/indicator lamps 359