Diesel pa
rticulat efilter Note
sonr egeneration &
DANG ER Risk of deat hcause dby
ex haus tgases
Combustio nengines emit poisonous exhaust
ga ses suc hascarbon monoxide. Inhaling
th ese exhaus tgases is hazardou stohealth
and leads topoisoning. #
Neverlea ve thee ngine or ,ifpresent,
th ea uxiliar yheating running in an
enclose dspace wi thout suf ficient venti‐
lation. &
WARNING Risk offire caused byhot
ex haus tsystemp arts
Flammable materials suc hasleaves, grass or
twigs ma yignite. #
Park thev ehicle so that no flammable
material can com eintoc ontact wi thhot
ve hicle components. #
In particular ,donotpar kond rygrass‐
land or har vested grain fields. Re
generation wi thout inter ruption take sa ppr ox.
15 minutes.
If th ev ehicle is predominantl yused fors hor tdis‐
ta nce driving or extende dnon-operationa ltimes,
th is could lead toam alfunctio ninthe automatic
cleaning function fort he diesel particulat efilter.
As aresult, permanent blocking of thed iesel par‐
ticulat efilter ma yoccur .and fuel ma yalso accu‐
mulat einthe engine oil and cause engine failure.
If yo um ainlydriv eshor tdistan ces, yous hould
driv eonaf reew ay or go forac ountr ydrive for20
minutes every500 km (300 miles). This facili‐
ta test he diesel particulat efilter's burn-of fproc‐
ess.
* NO
TEDama gedue tohote xhau stgases During
rege neration, extremely ho texhau st
ga ses escape from thet ailpipe. #
During rege neration, maintai namini‐
mum di stanc eof7ft(2m)f romo ther
objects, e.g. par kedv ehicles. Displaying load
On-boar
dcomputer:
4 Service 5
Consumption Info
The load of thed iesel particulat efilter is dis‐
pla yed. Load displa
yat75% load #
Toexitth ed ispla y:press theb ackb utton on
th el eft-hand side of thes teering wheel.
Bear in mind thef ollowing related topic:
R Operating theo n-boar dcomputer
(/ page120) Batter
ymain switch Note
sont he batter ymain switch *
NO
TEDama getothee lectrical sy stem If
yo ur emo vetheb atter ymain switch, it
could lead tothee lectrical sy stem becoming
damaged. #
Mak esuret hat thei gnition is switched
of fa nd that at leas t15minutes ha ve
passed befor eremoving theb attery
main switch. Otherwise, electrical sys‐
te mc omponents could be dama ged. Yo
uc an use theb atter ymain switc htodiscon‐
nect thec urrent toall your vehicle's consumers.
This will pr event uncontrolle dbattery discha rge
caused byquiescent cur rent consumers.
If yo ur vehicle is equipped wit hanauxiliary bat‐
te ry inthee ngine compartmen torinthe base of
th ec o-driver's seat, youm ustd isconnec tboth
batteries. Onl ythen is thee lectrical sy stem fully
disconnected from thep owe rsupp ly. 12 0
Driving and pa rking
Au
tomatic transmission DIREC
TSELECT lever Fu
nction of theD IRECT SELECT le ver &
WARNING Risk of accident and inju ry
due tochildren lef tunat tende dint he
ve hicle
If ch ildren ar eleftu nat tende dint hevehicle,
th ey could:
R opendoors,t hereb yendangering other
persons or road users.
R geto utofthev ehicle and be hit by
oncomin gtraffic.
R operat evehicle equipment and become
trapped, fore xamp le.
In addition ,children could also se tthe vehicle
in motion, fore xamp le,by:
R releasing thep arking brake.
R shifting thea utomatic transmission out of
par kposition 005D.
R startin gthe engine #
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. #
Keep theS martK eyout of ther eac hof
ch ildren. &
WARNING Risk of accident du etoincor‐
re ct gearshifting
If th ee ngine speed is higher than thei dle
speed and youe ngag ethe transmission posi‐
tion 005Bor005E,t hevehicle ma yaccelerate
sharply. #
Ifyo ue ngag ethe transmission position
005B or005E alwaysd epress theb rake
pedal firm lyand do no taccelerat eat
th es ame time. Yo
uu setheD IRECT SELECT le vertos witchthe
transmission position. The cur rent transmission
position appear sinthe multifunction displa y. 005D
Park position
005E Reverseg ear
005C Neutral
005B Driveposition
En gaging reve rseg ear R #
Dep ress theb rake pedal and push the
DIRECT SELEC Tleve rupwards pas tthe first
point of resis tance.
Tr ansmission position display 005Eis shown in
th em ultifunction displa y.
Selecting neutral N &
WARNING Risk of accident and injury
whe nneutral positio nisengaged
If yo up arkt he vehicle wit hthe transmission
in neutral position 005Cand thep arking brake
is no tengaged, thev ehicle ma yroll away.
Ther eisar isk of accident and injur y. #
Befor eparkin gthe vehicle, apply the
parking brake. 12 2
Driving and pa rking
#
Press theb rake pedal and theD IRECT
SELECT le veru pwards or down wardstot he
fi rs tp oint of resis tance.
Tr ansmission position display 005Cis shown in
th em ultifunction displa y.
Re leasing theb rake pedal will allo wyoutomo ve
th ev ehicle freely ,e.g. topush it or towi t.
If th ea utomatic transmission should also
st ay in neutral 005C 005Cwhen thei gnition is
switched off, car ryout thef ollowing: #
Startt he vehicle. #
Depress theb rake pedal and shif ttoneutral
005C. #
Release theb rake pedal. #
Switc hoffthei gnition.
% If
yo ut hen lea vethev ehicle and theS mart‐
Ke yiss tillint hevehicle, thea utomatic trans‐
mission will stay in neut ral005C from then on.
Engaging par kposition P #
Press button 1.
Tr ansmission position display 005Dis shown in
th em ultifunction displa y.
Pa rk position 005Dis engaged automaticall ywhen
one of thef ollowing condition sismet:
R Yous wit ch offt he engine in transmission
position 005Bor005E.
R Youo pen thed rive r's door when thev ehicle is
st ationar yorwhen drivin gataveryl ow speed
and in transmissio nposition 005Bor005E.
Engaging driv eposition D #
Depress theb rake pedal and push the
DIRECT SELEC Tleve rdownw ards pas tthe
fi rs tp oint of resis tance.
Tr ansmission position display 005Bis shown in
th em ultifunction displa y.
The automatic transmission shifts thro ugh the
individual gearsa utomaticall ywhen it is in trans‐
mission position 005B.This is de term ined bythe
fo llowing factors:
R Position of thea ccelerator pedal
R Driving speed Driving and parking
12 3
Callin
gupt he DEF le velg auge
On-board computer:
4 Service #
Select DEFand confirm.
The DEF le vela nd theD EFrang ea ppea r. Instrument Displa
ywithc olo rdisplay
1 DEF le vel Instrument Displa
ywithb lack and whit edis‐
play
1 DEFlevel
Re filling DEF
* NO
TEEngine damag eduetoDEF being
in thef uel #
DEFm ustn otbe used tofill th ef uel
ta nk. #
Only us eDEFtofill th eD EFtank. #
Do no toverfill theD EFtank. *
NO
TEContamination of thev ehicle inte‐
ri or due toDEF leakage #
Aftera dding, careful lyclos ethe DEF
re fill con tainer. #
Avoid car rying DE Frefill container sper‐
manentl yinthevehicle. Re
quirements:
R The ignition is switched off.
The following messages that appear in succes‐
sion in them ultifunction displa yindicat ethat you
need torefill th eD EFtank:
R Refil lAdditive See Operator's Manual
The DEF tankhasfallen belo wthe firs tw arn‐
ing thre shold.
R Refill Additive Starts until Emerg. Op.: XXX
See Operator's Manual
The DEF supply has fallen belo wthe reser ve
mar k.
Af tert he messag eappear sfor thef irst time,
th er emaining DEF suppl ywill las tfor appr ox‐
ima tely 1,200 mi (1,900 km) and youc an
st ar tt he engine afurther 16 times. The num‐
be rofr emaining engine starts XX(16to1)is
shown in them essag eevery time thee ngine
is star ted.
R Refill Additiv eEmergenc yOp.: XXX mph See
Operator's Manual
Yo uc an only driv ethe vehicle at amaximum
speed of 5mph (8 km/h).
Re fill qu antity:
Wi th ap romp tint he displa ya tlea st 2l
Wi thout apromp tint he displa yatlea st 8l Yo
uc an also ha vetheD EFleve ld ispla yed
( / pag e137).
Opening theD EFfiller cap on filler caps that
ar en otloc kable #
Open theh ood. Driving and parking
137
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.
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 4weeks #
Method 1: connec tthe star terb atter ytoa
trickle charge rv iathej ump-s tart connection. 14 4
Driving and pa rking
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. 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 Driving and parking
151
#
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. #
Todeactivat ecruisec ontrol: push rock er
switch 3(CNCL) down.
If cruise cont rolisd eactivated, it can be reactiva‐
te dasf ollows:
R rock er switch 2(SET+ )or(SET-) stores the
cur rent speed and thev ehicle maintains this
speed
R rock er switch 3(RES) calls up thel asts peed
st ored and thev ehicle maintains this speed
% Ifyo ub rake, deactivat eESP®
or if ESP ®
inter‐
ve nes, cruise control is deacti vated.
When yous wit ch offt he vehicle, thel ast
speed stored is cleared.
Setting thes peed limit forw inte rt ires
On-boa rdcompu ter
4 Settings 5
Fahrzeug (Vehicle)
5 Winte rTires Limit #
Select aspeed or deactivat ethe function. Ac
tiv eD ista nce Assis tDISTR ON IC Fu
nction of Activ eD ista nce Assis tDISTRONIC
Ac tiveD ista nce Assi stDISTRONI Cmaintains the
se ts peed on free-flowing roads. If vehicles ahead ar
ed etected, thes etdis tance is maintained ,if
necessa ryuntil thev ehicle comes toah alt.The
ve hicle accelerates or brakes depending on the
dis tance tothev ehicle in front and thes etspeed.
Speed and dis tance ar esetand stored on the
st eering wheel. The speed can be se tintherange
between 15mp h(20 km/h) and 99 mph
(160 km/h) or between 15mp h(20 km/h) and
th ev ehicle's maximum speed.
Other features of ActiveD ista nce Assi st
DISTRONIC:
R Depending on thep reselected dis tance,
DISTRONIC inter venes ei ther dynamically
(shor tdista nce) or tosave fuel (long dis‐
ta nce).
R Depending on thev ehicle mass de tected, the
dynamics of theD ISTRONIC inter vention are
re duced.
R Rapid acceleration tothes tore ds peed is initi‐
ated if thet urns ignal indicator is switched on
to chang etot heovertak ing lane.
Ac tiveD ista nce Assi stDISTRONI Cisonly an aid.
The driver is responsible fort he dis tancetothe
ve hicle in front, forv ehicle speed and forb raking
in good time.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing ins tances:
R The radar sensor sareaffected bysno w,rain,
fo g, heavy spr ay,g lare, direct sunlight or
greatl yvarying ambien tlight.
R The radar sensor smaymalfunction in parking
ga rage soronr oads wit hsteep uphill or
downhill gradients.
R Ifth er adar sensor saredirty or co vered.
R On icy or slipper yroads, braking or accelerat‐
ing can caus ethe driv ewheels tolose trac‐
tion and thev ehicle could then skid.
R Stationar yobject sarenotd etected if these
we renotp reviousl ydetected as moving.
R On bends, target vehicles ma ybelostorn ot
re cognized cor rectl y.As aresult, atarget
ve hicle is no tused toregulat ethe speed
whic hmaylead tounwa nted accele ration.
Do no tuse ActiveD ista nce Assi stDISTRONI Cin
th ese situations. 15 2
Driving and pa rking
sho
wall objects whic harevery nea rtooru nder
th er ear bumper .Itwill notwarny ou of acolli‐
sion ,peopl eoro bjects.
The area behin dthe vehicle is displa yedasam ir‐
ro rimage.
Sy stem limitations
The rear vie wcamer awithi nside rearvie wmirror
displa ywill no tfunction ,orwill onlypartially
function ,inthefollowing situations:
R ifth er eish eavyrain, sno worfog
R ifth ea mbient light is poor ,e.g. at night
R ifth ea reaisi lluminated wit hfluorescent
lighting, thei nside rearvie wmirro rd isplay
ma yflicker
R ifth et emperatur echanges very quickl y,for
ex ample if youd rive out of thec old int oa
heated garage inthew inter
R ifth ea mbient temp eratur eisveryh igh
R ifth ec amera lens is co vered, dirty or fogged
up. Obser vethen otes on cleaning ther ear
vie wc amer a(/pag e195).
R thec amera or rear of your vehicle is dam‐
aged. In this case, ha vethec amera and its
position and setting checkedataq ualified
specialis tworks hop.
The field of vision and other functions of ther ear
vie wc amer amaybe restricted du etoadditional
accesso ries on ther ear of thev ehicle (e.g.
license plat ebrack et or bicycle rack ).
% The inside
rearvie wmirro rd ispla ycontrast
ma ybei mpaire dd uetoincident sunligh tor
ot her light sources. In this case, pa yparticu‐
lar attention.
% Ha
ve thei nside rearvie wmirro rr epaired or
re placed if its use is considerabl yrestricted,
fo re xamp lethro ugh pixel er rors.
% Objects
that ar enotat ground le vela ppear
fur ther aw ay than they actuall yare.
Examples of suc hobjects:
R theb umper of avehicle par kedb ehind
R thed rawbar of atrailer
R theb all nec kofat railer coupling
R thet ail-en dofat ruck
R slanted posts Displaying and hiding
ther ear-vi ewmirror
displ ay
Displaying #
Engage reve rseg ear.
The rear vie wcamer aimag eappear sonthe
lef tside of thei nside rearvie wmirro r.
% Be
awareoft he sy stem limitations of ther ear
vie wc amer awithr ear-vie wmirro rd ispla y.
Hiding #
Engag eanother gear.
or #
Swit chofft he engine.
The displa ywill be hidden af teras horttime. 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 highw aysa nd trunk
ro ads. If ATTENTION ASSIS Tdetects ind icator sof
fa tigue or increased lapse sinconcentration on
th ep artoft he driver ,itsuggests taking abreak.
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 acknowledg ethe messag 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. 15 6
Driving and pa rking