#
Toswitc helectronic le velc ontrol on
again: press button 4again.
The indicator lam ponbutton4goes out.
Using theb uttonint he control panel #
Park thev ehicle, leaving thei gnition switched
on. #
Tolowe rautomatical ly:brie flyp ress the
lo we rsection of switch 2.
Electronic le velc ontrol automaticall ylow ers
th ev ehicle. #
Tostop them ovement, brief lypress theu pper
section of switch 1. #
Toraise todriving le vel:briefly press the
upper sectio nofswitch 1.
Electroni cleve lcontrol automaticall yraises
th ev ehicle tothed riving le vel. #
Tostop them ovement, brief lypress thel ower
section of switch 2. #
Toswitc hona utomaticall y:driv eato ver
6.2 mph(10 km/h) or release thep arking
brake.
Elect ronic le velc ontrol controls thev ehicle
le ve la utomaticall y. Using electronic le
velc ontrol forc harging
with air in an emer gency Onl
yfor vehicles wit hvalves fore lectronic le vel
control emergency charging. If electroni clevel control is malfunctioning and
thev ehicle is lean‐
ing, youc an raise or lo werthe vehicle bycon‐
necting an extern al compressed-air source toone
of thee mer gency valves (tir evalves). If elect ronic
le ve lc ontrol is deactivated, youc an driv eon
carefull ytothe neares tqualified specialis twork‐
shop and ha vethem alfunction remedied.
* NO
TEDama gedue topressur ebeing too
high If
th ep ressur eint he air suspension bello ws
is tooh igh, thec ompressed-air lines or thea ir
suspension bello wsmaybed amaged. #
Ensur eyou obser vethem aximum per‐
missible operating pressur eof600 kPa
(6 bar/8 7psi). #
Appl ythe parking brake. #
Vehicles with automatic transmission:
shif tthe transmission toposition 005D. #
Switc hoffelectronic le velc ontrol
(/ page124). #
Swit chofft he engine and open theh ood
(/ page264). #
Unscr ewthev alvec ap of thec orresponding
va lve. #
Connect thee xternal co mpressed-air source. #
Raise or lo werthe vehicle le velbyc harging or
re leasing compressed air until thed riving
le ve lh as been reached and thev ehicle is in a
horizontal position. While doing so, ensure
yo uo bse rvet he maximum permissible oper‐
ating pressur eof600 kP a(6bar/87psi). #
Disconnec tthe extern al compressed-air
source. #
Tighten thev alvec aps on thev alves. #
Close theh ood (/ page264). #
Driv eonc arefull ytothe neares tqualified
specialis tworks hop. Driving and parking
12 5
%
Ve
hicles with adiese lengine and incor‐
re ct fueling pr otector agains trefueling
wit hgasoline: thef iller nec kisdesigned for
re fueling at diesel filling pumps forp assenger
ve hicles. %
Ve
hicles with adiese lengine without
incor rect fueling pr otector: youc an also
re fuel at adiesel filling pum pfor truc ks.
% If
th ef uel tank ha sbeenr un comple tely dr y,
add at leas t1.3gal(5l)off uel. Problems wit
hthe fue land fuel tank Problem
Possible causes/consequences and 0050 0050Solutions
Fu el is leaking from the
ve hicle. The fuel line or
thef uel tank is de fective. #
Apply thep arking brake. #
Switc hoffthee ngine. #
Remo vethek eyfrom thei gnition loc k.
Or ,onv ehicles wit hKEYLESS‑GO: #
Open thed rive r's door.
The on-boar delectronics ar einposition 005A.This cor responds tothe
"k ey remo ved". #
Do no tres tart thee ngine under an ycircums tances. #
Consult aqualified specialis tworks hop.
The engine does not
st art. The fuel
tank ha sbeenr un comple tely dr y. #
Refuel thev ehicle wit hatleast1.3gal(5l)off uel. #
Swit chthei gnition on fora pproxima tely tens econds. #
Startt he engine continuously foram aximu moften seconds until it
ru ns smo othly.
If th ee ngine does no tstart: #
Switc hthe ignition on fora pproxima tely tens econds. #
Startt he engine continuously foram aximu moften seconds until it
ru ns smo othly.
If th ee ngine does no tstart afte rt hree attem pts: #
Consult aqualified specialis tworks hop. DEF
Note
sonD EF
* NO
TEWhe nyou open theD EFtank,
small amounts of ammoni avapor may
escape. #
OnlyfilltheD EFtank in well-ventilated
areas. #
Do no tlet DE Fc om eintoc ontact wi th
skin, eyes or clo thes. #
Keep DEFa wayfromc hildren. *
NO
TEDo no tinges tDEF. If DEF is swallo
wed: #
Immediatel yrins eo utyour mout hthor‐
oughly. #
Drink plenty of water. #
Seek medica lattentio nimmediately. *
NO
TEDama gecaused byadditives in
DE Forbyd iluting DEF The DEFe
xhaustgasa ftertreatment sy stem
could be destr oyed bythef ollowing:
R Additives in DEF 12 8
Driving and pa rking
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
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
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