#
Toengage/disen gage: press theu pper sec‐
tion of switch 1.
The indicator lam pinswitch 1flashes while
th ea ll-wheel driv eisengaged or disengaged.
The 00E5 and003D warning lamps light up in
th ei nstrument displa y.ESP ®
and ASR are
deacti vatedf or thed uration of thes hifto per‐
ation. If thes hifto peration is successful, the
00E5 and003D warning lamps in thei nstru‐
ment displa ygoout and ESP ®
and ASR are
re activated.
As lon gasthe indicator lam pinswitch 1is
fl ashing, youc an cancel thes hifto peration by
pressing switch 1again. If thes hifto peration
fa ils, thei ndicator lam pinswitch 1brief ly
fl ashes thre et imes. One of thes hiftconditions
wa sn otmet.
If th ei ndicator lam pinswitch 1lights up, all-
wheel driv eisengaged. Arele vant messa ge
appear sinthe displa yofthe on-boar dcomputer.
% If
th eL OW RANGE gear reduction is engaged,
th ea ll-wheel driv ecann otbe disengaged. Fu
nction of theL OW RANGE gear reduction The
LOWR ANGE gear reduction enables very
slo wd riving in ther espectiv egears. If youe ngage
LO WR ANGE, thee ngine' sperform anc echarac‐
te rist ics and thea utomatic transmission's shift‐
ing characteristic sareadjus teda ccording ly.T he
transmission ratio from thee ngine tothew heels
is around 40% lo werthan in ther oad posi tion.
The driv etorque is increased cor respondingly.
Conditions fore ngaging/disengaging
Th ef ollowing shifting condition smustbem etin
order toengag eordisengag eLOW RANGE:
R All-wheel driv eisengaged (/ page125).
R The engine is running.
R The vehicle is stationar y.
R Youd epress theb rake pedal.
R Vehicles with automatic transmission: the
selector le verisinp osition005Dor005C. Engaging and disen
gaging LOWr ange 1
Engaging and disengagin gLOW range
% On
vehicles wit hDSR (Downhill Speed Regu‐
lation), switch 1isreplaced wit hthe switch
fo rD SR. #
Toengag eand disen gage: press theu pper
section of switch 1.
The 002E indicator lam pflashes in thei nstru‐
ment displa yfor thed uration of thes hift
operation.
R When thes hifto peration take sp lace and
LO WR ANGE is engaged, the002E indica‐
to rlamp lights up.
R When thes hifto peration take sp lace and
LO WR ANGE is disengaged, the002E indi‐
cator lam pgoes out.
As long as thei ndicator lamp 002Eisflashing,
yo uc an cancel thes hifto peration bypressing
button 1again. If thes hifto peration fails, the
indicator lamp 002Ebrieflyflashes thre et imes.
One of thes hiftconditions wasn otmet. DSR (Downhill Speed
Regulation) Note
sonD SR If
yo uf ail toadap tyour driving styleory ou are
inattenti ve,D SR can nei ther reduce ther isk of
accident nor override thel aws of ph ysics. DSR
canno ttak er oad, weather and traf ficc onditions
int oa ccount. DSR is only an aid. Youa re re spon‐
sible foras afed istan cetothev ehicle in front, for
ve hicle speed and forb raking in good time.
DSR supports youw hen drivin gdownhill. DSR
main tains asetspeed fory ou on downhill gradi‐
ents byapplying theb rake sasr equired. Main‐ 12 6
Driving and pa rking
Using electronic le
velc ontrol forc harging
with air in an emer gency *
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 eof900 kPa
(9 bar/130 psi). 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 (similar ly as withtire
va lve) .Ife lectronic le velc ontrol is no topera‐
tional, youc an driv eoncarefull ytothe nearest
qu alified specialis tworks hop and ha vethem al‐
function remedied. #
Apply thep arking brake. #
Vehicles with automatic transmission:
shif tthe transmission toposition 005D. #
Switc hoffthee ngine. #
Turn thev alvec ap of thec orresponding valve
(1 L=l eft,2R=r ight). #
Connec tthe extern al compressed-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 eof900 kP a(9bar/130 psi). #
Disconnec tthe extern al compressed-air
source. #
Tighten thev alvec ap on thev alve(1 L=
left, 2R=r ight). #
Driv eonc arefull ytothe neares tqualified
specialis tworks hop. 13 2
Driving and pa rking
#
In particula r,do no tparkond rygrass‐
land or har vested grain fields. &
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 Ope ndoors,t hereb yendangering other
persons or road users.
R Getout and be stru ck byoncomin gtraf‐
fi c.
R Ope rate ve hicle equipment and become
trapped, fore xamp le.
In addition ,the children could also se tthe
ve hicle in motion, fore xamp leby:
R Releasing thep arking brake.
R Changing thet ransmission position.
R Startin gthe vehicle. #
Neverlea ve children unat tende dint he
ve hicle. #
When leaving thev ehicle, alw ayst ake
th ek eywit hyou and loc kthe vehicle. #
Keep thev ehicle keyo ut of reac 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 inju ryif
parkin gbrake is no tapplied
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. Obser
vethef ollowing points toensur ethat the
ve hicle is properly secured agains trolling away
unin tentionally: #
alwa ys appl ythe parking 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. Driving and parking
141
Fo
rthe automatic functions towo rkcor rectl y,the
driver mus tbeseated in thec orrect sea tposition
(/ page 64).
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 regu‐
lar inter vals. Noise sarenormal 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 The engin eisswitched off
R The driver is no tsitting in thed rive r's seat
R The belt buckle is undone To
prev ent thee lectric parking brak efroma pply‐
ing automaticall y,pull switch 1.
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 The engin eisswitched off
R The driver is no tsitting in thed rive r's seat
R The belt buckle is undone
R Ther eisas ystemm alfunction
R The po wersupp lyis insuf ficient
R The vehicle 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 Driving and pa
rking 14 3
Ac
ceptin gthe displa yeds pee dlim it whe nDis‐
tance Assis tDISTRONIC is acti vated #
Press rocker switch 4up (RES).
The speed limit displa yedint he instrument
clus terisa doptedast hestored speed. The
ve hicle adapts its speed tothat of thev ehicle
in front, but only up tothes tore ds peed.
Pulling away again with Activ eD ista nce
Assis tDISTRONIC #
Remo veyour foot from theb rake pedal. #
Press rocker switch 4up (RES).
or #
Depress thea ccelerator pedal briefly with
fo rc e.
The functions of ActiveD istan ce Assi st
DISTRONI Ccontinue tobe car ried out.
Deactivating Activ eD ista nce Assist
DISTRO NIC &
WARNING Risk of accident du etoActive
Dis tance Assi stDISTRONI Cstillb eing
activated when youl eave thed rive r's
seat
If yo ul eave thed rive r's seat while thev ehicle
is being braked byActiveD ista nce Assi st
DISTRONI Conly,the vehicle can rollaw ay. #
Alwaysd eactivat eActiv eDista nce
Assi stDISTRONI Cand secur ethe vehi‐
cle topreve nt it from rolling away before
yo ul eave thed rive r's seat. #
Press rocker switch 4down (CNCL). #
Depress theb rake pedal.
Increasing or reducing the speed #
Push rocker switch 3up (SET+ )ordown
(SET-).
The stored speed is increased or reduced by
1m ph (1 km/h).
or #
Press and hold rocker switch 3up (SET+)/
down (SET-).
The stored speed is increased or reduced in
1m ph (1 km/h) increments.
or #
Push rocker switch 3beyond thep ressure
point.
The stored speed is increased or reduced by
5m ph (1 0km/h).
or #
Push rocker switch 3beyond thep ressure
point and hold.
The stored speed is increased or reduced in
5m ph (1 0km/h) increments.
Increasing or reducing the specifie ddistance
from the vehicl einf ront #
Toincrease thes pecified distance: press
rock er switch 2down (Ò). #
Toreduce the specifie ddistance: press
rock er switch 2up (Ñ). Information on Hill
StartA ssist Hill
StartA ssisth olds thev ehicle foras horttime
when pulling away on ahill under thef ollowing
conditions:
R Vehicles with automatic transmission: the
transmission is in position 005Bor005E.
R The pa rking brak ehas been released.
This gives youe nough tim etomoveyour foot
from theb rake pedal tothea ccelerator pedal and
depress it befor ethe vehicle begins toroll. &
WARNING Risk of accident and injury
du etot hevehicle rolling away
Af teras horttime, Hill StartA ssistnol onger
holds thev ehicle and it can rollaw ay. #
Therefore, swiftl ymove your foot from
th eb rake pedal tothea ccelerator
pedal. Ne vera ttem pttolea vethev ehi‐
cle if it is being held byHill StartA ssist. HOLD function
HOLD function
Re
quirements:
R The seat occupancy recognition on thed riv‐
er's seat has de tected that thed rive rh as fas‐
te ned thes eat belt.
The HOLD function holds thev ehicle at astand‐
st ill without requ iring youtod epress theb rake
pedal, e.g. when pulling away on steep slopes or
when waitin gint raffic. Whe nyou depress the
accelerator pedal topull away,the braking ef fect
is canceled and theH OLD function is deactiva‐
te d.
The HOLD function is onl yanaid. The responsibil‐
ity fort he vehicle safel ystandi ngstill remains
wit hthe driver. 15 4
Driving and pa rking
Sy
stem limits
The HOL Dfunction is onl yintende dtoprovide
assis tance when driving and is no tasufficient
means of safeguarding thev ehicle agains trolling
aw ay when stationar y.
R The incline mus tnotbe greater than 30%.
Ac tivating/deactivatin gthe HOL Dfunction
Requ irements:
R The vehicle is stationar y.
R The engine is running or it ha sbeena utomati‐
cally switched of fbythe EC Ostart/s topf unc‐
tion.
R The driver is seated and belted.
R The electric parking brak eisreleased.
R Vehicles with automatic transmission: the
selector le verisinp osition005B,005Eor005C.
R ActiveD ista nce Assi stDISTRONI Cisdeacti va‐
te d.
Ac tivatin gthe HOL Dfunction &
WARNING Risk of an accident du etothe
HOLD function being acti vatedw heny ou
lea vethev ehicle
If yo ul eave thev ehicle while onl ythe HOLD
function is braking thev ehicle, thev ehicle
can rollaw ay inthef ollowing situations:
R Ifth er eisam alfunction in thes ystemor
in thep ower suppl y.
R Ifth eH OLD function is deactivated by
depressing thea ccelera torp eda lorb rake
pedal, e.g. byavehicle occupant. #
Alwaysd eactivat ethe HOLD function
and secur ethe vehicle agains trolling
aw ay befor eleaving thev ehicle. *
NO
TEDama gefrom auto matic braking When
ActiveB rake Assi st,A ctiv eDista nce
Assi stDISTRONI Corthe HOLD function are
activated, thev ehicle brakes autonomously in
cer tains ituations.
To avo id damag etothevehicle, deactivate
th ese sy stems in thef ollowing or similars it‐
uations: #
During towing #
Inac arwa sh #
Mak esuret hat thea ctivation conditions are
met. #
Depress theb rake pedal until the00D9 dis‐
pla yappear sinthe multifunction displa y.
The HOLD function is activated. Youc an
re lease theb rake pedal.
% If depressing
theb rake pedal thef irst time
does no tactivate theH OLD function, wait
brief lyand then tr yagain.
Deactivating the HOLD function
The HOLD function is deactivated in thef ollowing
situations: #
Vehicles with automatic transmission:
depress thea ccelerator pedal when thea uto‐
matic transmission is in position 005Bor005E. #
Depress theb rake pedal again wit hsufficient
pressu reuntil the00D9 displa yinthe multi‐
function displa ygoes out. #
Activat eActiv eDista nce Assi stDISTRONIC.
% Ve
hicles with automatic transmission: the
automatic transmissio nofyourvehicle shifts
to 005D afte rs ome time. This relie vest he load
on thes ervice brake.
When theH OLD function is activated, thea uto‐
matic transmission automaticall yshifts to005D in
th ef ollowing situations:
R The driver lea vest he driver's seat.
R The driver's door is opened.
R The engine is switched of fwithout theE CO
st art/ stop function. Re
ar vie wcamer awithrear-vie wmirro rd is‐
play Fu
nction of ther ear vie wcamer awith inside
re arvie wmirro rd isplay
The rear vie wcamer aisc onnec tedtot hevehi‐
cle's inside rearvie wmirro r.When youe ngage
re ve rseg ear ther ear vie wcamera's image
appear sinthe lef tareaoft he inside rearview
mir ror.It is therefor epossible tosee what is
behind thev ehicle when backing up.
The rear vie wcamer awithi nside rearvie wmirror
displa yisonlyana id. It is no tasubstitut efor you
paying attention tothes urroundings. Youa re
alw aysr esponsibl efor saf emaneu vering and
pa rking. Mak esuret hat ther ea reno persons,
animals or object setc. in them aneuvering area
while maneuvering and parking in parking
spaces.
The rear vie wcamer awithi nside rearvie wmirror
displa ymaysho wad isto rted vie wofo bstacles,
sho wthem incor rectly or no tatall.Itc annot Driving and pa
rking 15 5
Sy
stem limits
Blin dSpotA ssis tand thee xit warning function
ma ybel imited in thef ollowing situations:
R Ifth er eisd irtont he sensor sorthe sensors
ar eo bscured
R Ifth er eisp oor visibility ,e.g. due tofog, heavy
ra in, sno worspray
R If nar rowv ehicles ar ewithin them onitoring
ra nge, e.g. bicycles
R Onvery wide lanes
R Ifve hicles ar enotdriving in them iddle of
th eir lane
% St
ationar yorslowlymovingo bject sarenot
displa yed.
Wa rnings ma ybeissued in er rorw hen driving
close tocrash ba rrier sors imilar solid lane bor‐
ders. Warnings ma ybeinterrupte dw hen driving
alongside long vehicles, fore xamp le truc ks,for a
prolonged time.
Blind Spo tAssis tisn otoperationa lwhen reve rse
ge ar is engaged.
The exitwa rning function ma ybelimited in the
fo llowing situations:
R When thes ensor is bloc kedbya djacent vehi‐
cles in nar rowparking spaces
R When people ar eapproaching
Ac tivating/deactivatin gBlind Spo tAssist
On-boa rdcomputer:
4 Settings #
Activat eord eacti vate Totwinkel-Assistent
(Blind Spo tAssist). Driv
eAwayA ssist Fu
nction of Driv eAwayA ssist
% Driv
eAwayA ssistis onl yavailable forv ehi‐
cles wit hautomatic transmission.
Driv eAwayA ssistcan reduce thes eve rity of an
impact when pulling away.Ifano bstacle is de tec‐
te dint he direction of tra vel,th ev ehicle's speed
is brief lyreduced toappr oximately 1mph
(2 km/h). If acritical situation is de tected, asym‐
bol appea rson thec amera imag eofthe multime‐
dia sy stem. &
WARNING Risk of accident caused by
limited de tection per form anc eofD rive
Aw ayAssi st
Driv eAwayA ssistcanno talway sc lea rlyi den‐
tify objects and traf fics ituations.
In suc hcases, Driv eAwayA ssistmight:
R Warnyouw ithout reason and limit the
ve hicle speed.
R Notw arny ou or no tlimit thev ehicle
speed. #
Alwaysp aycareful attention tothet raf‐
fi cs ituation; do no trelyo nD rive Away
Assi stalone. #
Be prepared tobrak eors werveasn ec‐
essar y,prov ided thet raffic situation
permit sand that it is saf etotakee va‐
siv ea ction. Driv
eAwayA ssistis onl yana id. It is no tasubsti‐
tut efor your attention tothes urroundings. Yo u
ar ea lway sr esponsibl efor saf emaneu vering,
pa rking and exitin gap arkin gspace. Mak esure
th at no persons, animals or object setc. ar einthe
pat hofy ourvehicle.
Ar isk of acollision ma yarise in thef ollowing sit‐
uations, fore xamp le:
R Ifth ed rive rm ixes up thea ccelerator and
brak epedals.
R Ifth ew rong gear is selec ted.
The Driv eAwayA ssistfunction is activ eunder the
fo llowing conditions:
R IfPa rking Assis tPARKTRONIC is activated.
R Ever ytimet he gear is changed to005E or005B
when thev ehicle is at astandstill.
R Ifth ed etected obs tacle is les sthan appr ox‐
imately 3.3 ft(1.0 m) away.
R Ifth em aneuvering assis tance function is acti‐
va tedint he multimedia sy stem.
Sy stem limits
Driv eAwayA ssistis una vailable on inclines and
when driving wit hatrailer. Re
ar Cross Traf ficA lert Fu
nction of Rear Cross Traf ficA lert
The radar sensor sinthe bumper ar eused fort he
sy stem. This waythe area adjacent tothev ehicle
is continually monitored. If ther adar sensor sare Driving and parking
15 9
R
The dis tance tothev ehicle in front is too
small, and therefor ethe lane markings cannot
be de tected.
R The lane markings chang equickl y,e.g. lanes
branc hoff,c ross one ano ther or mer ge.
R The roadw ayisvery nar rowa nd winding.
Ac tivating/deactivatin gLaneK eeping Assist
and Activ eL aneK eeping Assist
On-boar dcomputer:
4 Settings 5
DriveAssist #
Dependin gonvehicle equipment, select Akt.
Spurhalte-Assistent (ActiveLane Keeping
Assist) or Spurhalte-Assistent (LaneKeeping
Assist).
The driving sy stem is activated or deactiva‐
te d, depending on its pr evious status. Wo
rkmode AD
R(wo rkings peed control) Fu
nction of ADR (working speed control)
When activated, ADRa utomaticallyincreases the
engine speed toap rese ts peed or aspeed you
ha ve set.
% Af
terac oldstart, thei dle speed of the
engine is increased automaticall y.Ifth ep re‐
se tw orking speed is lo werthan the
inc reased idle speed ,the working speed is
onl yreached once thee ngine has comple ted
th ew arm-up phase.
It is only possible toactivat eADR withthe
ve hicle stationar yand thep arking brake
applied.
On vehicles wit hautomatic transmission, the
selector le verm ustbeinp osition005D.
Ac tivating/deactivatin gADR #
Toactivate: whilethee ngine is running,
press switch 1.
The Working Speed Governo rActive messa ge
appear sinthe multifunction displa y. #
Todeactivate: whilethee ngine is running,
press switch 2.
ADR goe soutautomatical lyin thef ollowing situa‐
tions:
R Your elease thep arking brake.
R Youd epress theb rake pedal.
R The vehicle mo ves.
R The contro lunit de tects am alfunction.
Ad justin gADR #
Engag epowe rtake-o ffor acti vate ADR. #
Toincrease: press switch 1. #
Toreduce: press switch 2. Tr
aile roperation Note
sont railer operation &
WARNING Risk of accident‑ and injur yif
th el oad is exceeded
If yo ue xceed thep ermitted load when using
th er ack, ther acks ystemm aydisconnect
from thev ehicle and endanger other road
users. #
Alwaysc ompl ywitht he permitted load
when using ther ack. 16 2
Driving and pa rking