Ad
ding 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 mile s(1,900 km) .The engine
can then onl ybestarted ano ther 16 times.
The numbe rofremaining engine starts XX(16
to 1) is shown in them essag eevery time the
engine 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).
Yo uc an also ha vetheD EFfill le vela nd theD EF
ra ng ed ispl ay ed (/ page129). Openin
gthe DEF filler cap on filler caps that
ar en otloc kable #
Open theh ood. #
Turn DEF filler cap 1coun ter-clockwise and
re mo veit.
Opening theD EFfiller cap on loc kable filler
caps #
Open theh ood. #
Take tool 4 foru nlocking DEF filler cap 1
from thev ehicle tool kit. 13 0
Driving and pa rking
#
Pull co ver3on DEF filler cap 1up, turn
90° and release. #
Inser ttool 4in holes 2of DEF filler cap
1. #
Turn DEF filler cap 1coun ter-clockwise and
re mo veit.
Preparing theD EFrefill canis ter Va
riant 1 Va
riant 2 #
Unscr ewthec ap on DEFr efill canister2. #
Screw disposable hose 1ontothe opening
of DEF refill canis ter2 until hand-tight. Ad
ding DEF Va
riant 1 Va
riant 2 #
Screwd isposable hose 2ontothe filler neck
of thev ehicle until hand-tight. #
Liftupa nd tip DEF refill canis ter1.
The filling proces sstops when theD EFtank is
comple tely full.
DEF refill canis ter1 can be remo vedw hen it
has been onl ypartiall yemp tied. #
Unscr ewdisposable hose 2and close DEF
re fill canis ter1 inreve rseo rder. #
Switc hont he ignition foratl east 60 seconds. #
Startt he vehicle.
% Av
oid storing DEF container spermanent lyin
th ev ehicle.
DEF refill bottle
Onl yscrew theD EF ref ill bottle hand-tigh tonto
th ef iller openin ginthe engine compartment. It
ma yotherwise be damaged. Driving and parking
131
Closing
theD EFfiller cap on loc kable filler
caps #
Afterf illing theD EFtank ,p lace DEF filler cap
1 onthef iller nec kand tigh tenitc lock wise. #
Remo vetool 4 from DEF filler cap 1and
st or eitint hevehicle tool kit. #
Pull co ver3on DEF filler cap 1upover
holes 2of DEF filler cap 1,turna nd
re lease. #
Turn DEF filler cap 1.
If DE Ffiller cap 1turns freel y,theD EFtank
is closed. Park
ing Pa
rking thev ehicle &
WARNING Risk offire caused byhot
ex haus tsystemp arts
Flammable material suc hasleaves, grass or
twigs ma yignit eift heyc ome int ocontact
wi th hotp arts of thee xhau stsystem or
ex haus tgas flow. #
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. &
WARNING Risk of accident and injury
du etoc hildren 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. *
NO
TEDama getothev ehicle or thed rive‐
train due torolling away #
Alwaysp arky our vehicle safely and
according tolegal requirements. #
Alwaysp roper lysecur ethe vehicle
agains trolling away. &
WARNING Risk of accident and injur yif
pa rking brak eisnotapplied
If yo up arkt he vehicle wit hthe transmission
in par kposition 005Dand thep arking brak eis
no te ngaged, thev ehicle ma yroll away.
Engaging pa rkposition 005Dis no tafully ade‐
qu ater eplacement fort he parking brake.
Ther eisar isk of accident and injur y. #
Secu rethev ehicle agains trolling away
as desc ribed belo w. Driving and pa
rking 13 3
Obser
vethef ollowing points toensur ethat the
ve hicle is properly secured agains trolling away
unin tentionally: #
Alwaysa pply thep arking brake. #
Vehicles with automatic transmission:
engag etransmission position 005D. #
On uphill or downhill inclines: turnthe
front wheels towa rdst he curb. #
On uphill or downhill inclines: securethe
re ar axle wit hachockorano bject without
shar pedges.
% Yo
uc an operat ethe side windo wsforf ive
minutes af tery ou ha veswitched of fthe vehi‐
cle. Manual parking brake
Applying/releasing
theh andbrak elever &
WARNING Risk of skidding or an acci‐
dent bybraking wit hthe parking brake
If yo uh ave tobrak eyour vehicle wit hthe
parking brake, theb raking dis tance is consid‐
erab lylonger and thew heels ma yloc k. There
is an increased risk of skidding and/or acci‐
dent. #
Only brak ethe vehicle wit hthe parking
brak eift he service brak ehasfailed. #
Inthis case, do no tappl ythe parking
brak ewitht oo muc hforce. #
Ifth ew heels loc k,immediately release
th ep arking brak easmuchasr equired
fo rt he wheels totur na gain. &
WARNING Risk offire and an acciden tif
th ep arking brak eisnotreleased
If th ep arking brak eisnotfull yreleased when
driving, thef ollowing situations can occur:
R The parking brak ecan overheat and cause
af ire
R The parking brak ecan lose its holding
function #
Comple tely release thep arking brake
befor edriving off. The brak
elights do no tlight up when youb rake
th ev ehicle wit hthe parking brake.
Generally ,you ma yonlya ppl ythe parking brake
when thev ehicle is stationar y. #
Toappl ythe parking brake: pullhandbrake
le ver 1up as farast he las tpossible de tent.
Whe nthe engine is running ,the 0049
and 0024 (USA) or 0024(Canada) indicator
lamps in theI nstrument Displa ylight up. If
th ev ehicle is in motion, awarning tone
sounds.
% In
vehicles wit hafolding handbrak eleve r,
yo uc an then press handbrak elever 1 down
as farasitw illg o. #
Torelease thep arking brake: onvehicles
wit haf olding handbrak eleve r,firs tp ullh an d‐
brak elever 1 up as farasitw illg o. #
Pullh andbrak elever 1 slightly and press
re lease knob 2. #
Guide handbrak elever 1 down toas farasit
willg o.
The 0049 and0024 (USA) or 0024(Canada)
indica torlamps in theI nstrument Displa ygo
out.
Fo lding theh andbrak elever up or down (only
in vehicles with afolding handbrak elever)
Re quirements:
R The handbrak eleve risa pplied. #
Tofold down theh andbrak elever: push the
handbrak elever down as farasitw illg o. #
Toraise theh andbrak eleve r:pull theh and‐
brak elever up as farasitw illg o. 134
Driving and pa rking
Pe
rforming emer gency braking with theh and‐
brak elever If, in
exceptional cases, thes ervice brak efails,
yo um ayuse thep arking brak etoperform emer‐
ge ncy braking. #
Eme rgency braking: press and hold release
button 2and carefull ypull brak elever 1. Electric parking brake
Note
sont he electric parking brake &
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. Fo
rthe automatic functions towo rkcor rectl y,the
driver mus tbeseated in thec orrect sea tposition
(/ page 60).
The function of thee lectric parking brak eis
dependent on theo n-boar delectrical sy stem volt‐ age. If
theo n-boar delectrical sy stem voltag eis
lo wort hereisam alfunction in thes ystem, it
ma ynotbe possible toappl ythe electric parking
brak eand they ellow 0024 indicator lam plights
up.
In this case, par kthe vehicle in thef ollowing way:
R Park thev ehicle on le velg roun da nd secur eit
to prev ent it from rolling away.
R Ve
hicles with automatic transmission:
shif tthe transmission toposition 005D.
% The electric parking brak
eisonlya ctually
applied when ther ed 0049 and0024 (USA)
or 0024 (Canada) indicator lamps light up
continuousl y.
It ma ynotbe possible torelease aparkin gbrake
if th eo n-boar delectrical sy stem voltag eisl owor
if th er eisam alfunction in thes ystem. Infor ma
qu alified specialis tworks hop. When thee ngine is
switched off, thee lectric parking brak ecarries
out afunction test at regular inter vals. Noise sare
normal in this process.
Au tomaticall yapplying the electric parking
brake
Ve hicles with automatic transmission:
The electric parking brak eisautomatically
applied when thet ransmission is in position 005D.
In addition, at leas tone 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 To
prev ent thee lectric parking brak efroma pply‐
ing automaticall y,pull switch 1. Driving and parking
13 5
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
Depending on
thev ehicle's equipment, ther adar
sensor sareintegrated behind theb umpers
and/or behind ther adiator grill. Keep these parts
free of dirt, ice and slush (/ page274). Th esen‐
sor sm ustn otbe co vered, fore xamp leby bicycle
ra ck s, overhanging loads or sticke rs.A fter ac olli‐
sion, ha vethef unction of ther adar sensors
ch eckedataq ualified specialis tworks hop as
damag e(both visible or non-visible) ma yhave
occur redtot he bumper or radiator trim. Fu
nction of driving sy stems and driving
saf etys ystems In
this section, youw illfind information abou tthe
fo llowing driving sy stems and driving saf etys ys‐
te ms:
R ABS ( Anti-lock braking system)
(/ page138)
R ASC ( Acceleration SkidControl)
(/ page138)
R BAS(Bra ke Assist System) (/ page138)
R ESP ®
(Electronic Stability Program)
(/ page139)
R EBD ( Electronic Brakeforce Distribution)
(/ page140)
R ActiveB rake Assi st (/ pag e140)
R Cruise control (/ page142)
R ActiveD ista nce Assi stDISTRONIC
(/ page 144)
R Hill star ta ssist
R HOL Dfunction (/ page146)
R Parking Assis tPARKTRONIC (/ page 146)
R Rear vie wcamer a(/ pag e148)
R 360° Camer a(/ pag e150)
R ATTENTION ASSIS T(/ pag e152)
R Traf ficS ign Assi st (/ pag e153)
R Blind Spo tAssist ( / pag e155)
R ActiveL aneK eeping Assis t(/pag e158) Fu
nctions of ABS (Anti-loc kBraking Sy stem) Obser
vethei mp ortant sa fety guideline sfor the
driving saf etys ystem.
ABS cont rols theb rake pressur eincritical situa‐
tions:
R thew heels ar epreve nted from lo cking when
braking, e.g. during maximum full-s topb rak‐
ing or when ther eisi nsufficient tir etraction. R
thes teerability of thev ehicle in term sof
ph ysical possibilities is ensured when brak‐
ing.
R ABSisa ctivefroms peeds of appr ox.3m ph
(5 km/h). On aslipper yroad sur face, ABS
inter venes evenify ou onl ybrake gently.
Sy stem limitations
If th er eisam alfunction and they ellow 0025 ABS
wa rning lam plight supc ontinuousl yinthe instru‐
ment displa yafter startin gthe engine, ABS may
be impaired or inoperative.
If ABS inter venes, youw illfeel ap ulsing in the
brak epedal. The pulsating brak epedal ma ybean
indication of hazardous road condition sand func‐
tions as areminder totake extrac arew hile driv‐
ing.
If ABS in terv enes: keep theb rake pedal firm ly
depressed until theb raking situation has passed.
To car ryout maximum full-s topb raking:
dep ress theb rake pedal wit hfull forc e. Fu
nction of BAS(Brak eAssis tSystem) &
WARNING Risk of an accident caused by
am alfunctio ninBAS (Brak eAssistSys‐
te m)
If BA Sism alfunctioning ,the braking dis tance
in an emergency braking situation is
increased. #
Depress theb rake pedal wit hfull force
in emer gency braking situations. ABS
pr eve nts thew heels from locking. BA
Ss uppo rtsy ou wit hadditional braking forc ein
an emer gency braking situation.
If yo ud epress theb rake pedal quickl y,BA Sis
acti vated:
R BASa utom atically boosts theb raking forc eof
th eb rakes
R BASc an sho rten theb raking dis tance
R ABS pr eventst he wheels from locking
When your elease theb rake pedal, theb rakes
function as usual again. BASisd eactivated. Fu
nctions of ASR (Acceleration Skid Control) ASR can neither
reduce ther isk of an accident
nor override thel aw sofp hysics if thed rive rd oes
no tp ay attention when pulling away or accelerat‐
ing. ASR is onl yanaid. Alw aysa dap tyour driving 13 8
Driving and pa rking
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