#
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
Fu
nctions of ASR (Acceleration Skid Control) ASR can neither
reduce ther isk of an accident
nor override thel aws of ph ysics if thed rive rd oes
no tp ay attention when pulling away or accelerat‐
ing. ASR is onl yanaid. Alw aysa dap tyour driving
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 (/ page25).
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 sta‐
bilit yoft hevehicle. If thed rive wheels star tto
spin, ASR brakes individuald rive wheels and lim‐
its 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 Displa yflashes. 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. If
th es urface requ ires, temp oraril ydeactivate
ESP ®
when pulling away .
Do no toperate thev ehicle on aroller dynamo me‐
te r( e.g. forap erform anc etest). If youh aveto
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
(/ page25).
% Onl
yuse wheels wit hthe recommended tire
sizes. Only then will ESP ®
function properly.
ESP ®
can, within ph ysical limits, monitor and
impr ovedriving stabilit yand traction in thef ol‐
lowing situations:
R When pullinga wayonw etor slippe ryroad
sur faces
R Whe nbraking
R Ifyo ua redrivin gfastert han 49.7 mph
(80 km/h) in stro ng crosswinds
If th ev ehicle is deviating from thed irection
desired bythed rive r,ESP ®
can stabiliz ethe vehi‐
cle byper form ing thef ollowing actions:
R One or mor ewheels ar ebraked
R The driv esystem per form anc eisa dapted
depending on thes ituation
If ESP ®
is deactivated 00BB,the00E5 warning
lam plight supc onstantly in theI nstrument Dis‐
play:
R Vehicle stabilizatio nmaybe dela yed
R Crosswind Assis tisstilla ctive
R The driv ewheels ma ystart to spin
R ASR traction control is no longer active
If ESP ®
is deactivated, ESP ®
will still suppor tyou
when braking.
If the 00E5 warning lam pinthe Instrument Dis‐
pla yflashes, one or mor ewheels ha vereached
th eir tir etraction limit:
R Adapty our driving styletos uitthep reva iling
ro ad and weather conditions
R Do no tdeactivat eESP®
unde rany circum‐
st ances Drivin
gand parking 147
1
Wheel bolt fora lloy wheel
2 Wheel bolt fors teel wheel #
Clean thew heel and wheel hub contact sur fa‐
ces. #
Vehicles with Super Single tires: first
ins tallth ea dap terf or then arro ws parew heel
on thew heel hub. #
Slide thew heel whic histober e-installed
ont othe wheel hub or thea dap terf or the
spar ewheel and push it on.
Ve hicles with light allo ywheels #
Use thes uitable shor twheel bolts fort he
spar esteel wheel found in thev ehicle tool kit. #
Screw inthew heel bolts until they aref inger-
tight.
Wheels with wh eeln uts #
Front wheels wit hwheel nut co ver:press the
wheel nut co vero ntot he wheel nuts. #
Screw inthre ew heel nuts overthe fixing
discs of thew heel nut co ver. #
Turn thew heel so that thew heel bolts ar ein
th em iddle of theh oles. #
Screw inther emaining wheel nuts. #
Slightly tigh tena llth ew heel nuts. Lo
weri ngthev ehicle af teraw heelchange &
WARNING Risk of inju rythro ugh incor‐
re ct tigh tening torque
Th ew heel scould come loose if thew heel
bolts or wheel nuts ar enottightened tothe
prescribed tightening torque. #
Makesur ethe wheel bolts or wheel
nuts ar etightened tothep rescribed
tightening torque. #
Ifyo ua renots ure, do no tmovet he
ve hicle. Consult aqualified specialist
wo rkshop and ha vethet ightening tor‐
qu ec hec kedi mmediately. Re
quirements:
R The ne wwheel has been ins talled
(/ page237).
Obser vethen otes on raising thev ehicle
(/ page235).
Ve hicles with rear wheel drive
Only use them iddle roda nd thep um pleve rrod
wit hthe larges tdiame terf or thej ackasa lug
wrenc hextension. Only inse rtthem iddle rodon
th el ug wrench, and alw aysasf ar as it will go.
Otherwise, ther ods could bend and defor mso
muc hthat they can no longer be use daspump
le ve rs fort he jac k.
Ve hicles with Super Single tires: ifyo um ount
th es par ew heel tother ear axle, do no texceed
th em aximum speed of 34 mph(55 km/h) and
th em aximum dis tance of 62 miles (100 km). Oth‐
erwise, thet ransmission could be damaged due
to thed iffe re nt rotational speed softhe wheels. #
Using thep um pleve r,slowly tur nthe drain
scr ew onthej acka ppr oximatel yone revo lu‐
tion and carefull ylow erthev ehicle. #
Place thej acktoo ne side. #
Pull ther od wit hthe smalles tdiame tero ffthe
pum pleve r.
The shor tened pu mpleve rs erve sasal ug
wrenc hextension. #
Startin gwitht he middle rod, slide thel ug
wrenc hextensio nasfar as it will go ont othe
lug wrench. 238
Wheelsa nd tires
#
Tighten thew heel bolts or nuts evenlyint he
sequence indicated (1 to6 ).
Specified tightenin gtorque:
R Steel wheel bolts: 177l b-f t(24 0N m)
R Whee lnuts: 133lb-f t(18 0N m)
R Alloywheel bolts: 133lb-f t(18 0N m) #
Push thep isto nont hehydraulic jac kinagain
and close thep ressur erelease scr ew. #
Vehicles with all-wheel drive: turnthe jack
spindle clockwise as farasitw illg o.
% Yo
uc an no winstallth eh ub caps on steel
wheels wit hwheel bolts. The ins tallation pro‐
cedur edepends on whe ther theh ub cap acts
as atrimt hat co vers thew hole wheel, or just
co vers thec enter. #
Wheel with hub cap: positiontheo pening
fo rt he tir evalveint he hub cap overthe tire
va lve. #
Push thee dgeoft he hub cap ont othe wheel
ri mw ithb othh ands until it engages into
place. Mak esuret he hub cap retaining
cat ches engag eonthesteel wheel. #
Wheel with central hub cap: positionthe
re tainin glugs of thec ent ralh ub cap overthe
whee lbolts. #
Hitthem iddle of theh ub cap toengag eiton
th ew heel. #
Secur ethe faulty wheel in thes par ew heel
brac ket. #
Vehicles with Super Single tires: transport
th ef aulty rear wheel on thel oad area. The
re ar wheel is tool arge fort he spar ewheel
brac ket. #
Chec kthe tir epressur eoft he newl yins talled
wheel and adjus titifnecessar y. #
Retighten thew heel bolts or wheel nuts tothe
specified tightening torque af tert he vehicle
has been driven 31miles (50 km). #
When using awhee lors parew hee lwitha
ne worn ewly painted whee lrim, ha vethe
wheel bolt sornutsr etightene dafter appr ox‐
ima tely 620 mile s(1,000 km) to3,10 0m iles
(5,000 km).
% Ve
hicles with thet irep ressur emonitor
sy stem: all ins talled wheels mus tbeequip‐
ped wit hfunctioning sensors.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubject:
R Notesont irep ressur e(/pag e217 ) Spar
ewheel Note
sont he eme rgency spar ewheel and
spar ewheel Spar
ewheel: wheel and tir edimension saswell
as thet ype of tir ecorrespond totheo ther ins tal‐
led wheels.
Emer gency spar ewheel: wheel and/or tire
dimension saswell asthet ype of tir earediffer‐
ent from thew heel tobe replaced. Alabel wit ha
speed limit can be found on thee mer gency spa re
wheel.
An ins talled emer gency spa rewheel or spare
wheel changes thed riving characteristic sand
bear srisks. &
WARNING Risk of accident caused by
incor rect wheel and tir edimensions
Whe nthe emergency spar ewheel or the
spar ewheel is ins talled, driving characteris‐
tic sm aybe se verely affected.
The reis an inc reased risk of an accident.
To prev ent hazardous situations: #
Oncet he spar ewheel or thee mer gency
spa rewheel has been ins talled, check
th et irep ressur eand adjus tifneces‐
sar y. #
The emer gency spa rewheel ma yonly
be used temp oraril yand mus tbe
re placed wit hastandar dwheel as soon
as possible. #
Neverins tall mor ethan one emergency
spar ewheel. #
When operating your vehicle wit hthe
emergency spar ewheel ins talled, adapt Wheels and tires
239