In wintr
ydriving conditions, alw aysu se winter
tires (M+S tires) and, if necessar y,sno wchains
(/ page216). Only in this wa yc an them aximum
ef fect of all-whee ldrive be achie ved.
Use DSR( Downhill Speed Regulation) when driv‐
ing downhill off-road (/ page126).
If yo uf ail toadap tyour driving styleorify ou are
inattenti ve,the all-wheel driv esystem can neither
re duce ther isk of an accident nor override the
la ws of ph ysics. The all-wheel driv esystemc an‐
no ttak er oad, weather and traf ficc onditions into
account. The all-whee ldrive system is onl yan
aid. Youa re re sponsible form aintaining asafe
dis tance from thev ehicle in front, forv ehicle
speed, forb raking in good time and fors taying in
lane.
* NO
TERisk of damag etothe driv etra in
and theb rake system If
yo uo perat evehicles wit hall-wheel driv eon
ao ne-axle test st and, youm aydamag ethe
driv etra in or theb rake system. #
Afunction or per form anc etests hould
only be car ried out on atwo -axle test
st and. #
Ifyo uw ish tooperat ethe vehicle on
suc hat ests tand, please consult a
qu alified specialis tworks hop in
advance. *
NO
TERisk of damag etothe transfer
case If
yo ut ow th evehicle wit haraised axle, the
trans ferc ase can getdamaged. Suc hdamage
is no tcovered byMercedes-BenzL imited
Wa rrant y. #
Nevertow th evehicle wit haraised axle. #
Onlytow thev ehicle wit hall wheels on
th eg round or full yraised. #
Notethei nstruction sontowing the
ve hicle wit hfull contact wit hthe ground
fo ra ll wheels. Engaging all-wheel drive
Conditions
fore ngaging/disengaging
Yo uc an engag eand deactivat ethe all-wheel drive
when stationar yorwhile drivin gslowl y. When
stationar y,thef ollowing mus tbeobserved:
R The engin eisrunning.
R Thes teering wheel in thes traight-ahea dposi‐
tion.
If th ea ll-wheel driv ecann otbe engaged when
st ationary: #
Vehicles with automatic transmission:
shif tthe selector le verfrom 005Cto005B from
005B to005C from 005Cto005E and bac kto005C.
Engaging and disengaging thea ll-wheel drive
can be made easier in this wa y.
Obser vethef ollowing when driving slowly:
R The engine is running.
R The vehicle is no ttrave ling fasterthan
6. 2m ph (1 0km/h).
R The vehicle is no tbeing driven around abend.
If it is no tpossible toengag eall-wheel driv ewhen
th ev ehicle is rolling: #
Vehicles with automatic transmission:
brief lymo vethes elector le verto005C . Engaging/disen
gaging all-wheel drive *
NO
TERisk of damag etothe transfer
case If
yo us tepont he accelerator pedal while the
all-wheel driv eisengaged or disen gage d, the
trans ferc ase ma ybedamaged. #
Do no tstepont he accelera torp edal
when thei ndicator lam pinthe switch
fo rt he all-wheel driv eisflashing. Driving and parking
12 5
Instrument Displa
ywithb lack and whit edisplay
Tr ip computer (e xamp le)
1 Distance co vered( from start/from reset)
2 Driving time (from start/from reset)
3 Averag espeed (from start/from reset)
4 Averag efuel consum ption (from start/from
re set) Re
setting values on theo n-boa rdcompu ter
trip menu On-board computer:
4 Trip
% The spelling of
thed ispla yedm ain menu may
dif fer. Therefore, pa yattention tothem enu
ove rviewf orthei nstrument display
(/ page170).
Yo uc an rese tthe values of thef ollowing func‐
tions:
R Trip Odometer:
- Reset Trip Odometer?
R Trip computer:
- FromS tart
- FromR eset
R ECOd isplay #
Selec tthe function that is tobe rese ta nd
confir mthis selection. #
Confir mtheReset Values? promptwith Yes. Calling up settings on
theo n-boa rdcompu ter On-boar
dcomputer:
4 Settings
The following ent ries can be se tonthe Settings
menu:
R DriveAssist
- Switching ESP(ESP) on and off
- Switching Akt. Spurhalte-Assistent (Active
Lane Keeping Assist) on and off
- Switching Spurhalte-Assistent (Lane
Ke eping Assist) on and off
- Switching Aktiver Brems-Assistent (Active
Brak eAssist) on and off
- Switching Totwinkel-Assistent (Blind Spot
Assist) on and off
- Switching Attention Assist (Attention
Assist) on and off
R Light
- Switching Tagfahrlicht (Daytimerunning
lights )ona nd off
- Switching Leuchtzeitinnen (Illumination
pe riod inside) on and off
- Switching Leuchtzeit außen (Illumination
period outside) on and off
- Switching Auffindbeleuchtung (Locator
lighting) on and off
- Setting Instrument lighting
R Vehicle
- Setting Winterreifen-Limit (Winter tires
limit)
- Switching Akust.Schließen (Acoustic
locking) on and off
- Switching Autom. Verriegelung (Autom.
locking) on and off
- Switching Ruhezustand (Standby) on and
off
- Switching Regensensor (Rainsensor) on
and off
R Setting Heating 174
Instrument Displa yand on-boar dcomputer
Information on noise or unusua
ldriving
ch aracteristics
Whil edriving, pa yattention tovibrations, noises
and unusual driving characteristics, e.g .pullin gto
one side. This ma yindicat edamag etothe wheels
or tires. If yous uspect that at ireisd efective,
re duce your speed. Stop thev ehicle as soon as
possible tocheckifw heels and tires ha vebeen
damaged or ar enolonger functioning properly.
Hidden tir edamag ecould also be causing the
unusual drivin gcharacteristics. If no signs of
dama gecan be de tected, ha vethet ires and
wheels checkedataq ualified specialis twork‐
shop. Note
sonr egular lyinspecting wheels and
tires &
WARNING Risk of accident from dam‐
aged tires
Dama gedt ires can cause tir epressur eloss.
As aresult, youc oul dlose control of your
ve hicle. #
Chec kthe tires regularly fors igns of
dama geand replace an ydamaged tires
immediatel y. Chec
kthe wheels and tires of your vehicle for
damag eregular ly,i .e. at leas tevery twow eeks,
as well as af terd riving off-road or on rough
ro ads. Damaged wheels can lead toaloss of tire
pressure.
Look out fort he following types of damage, for
ex ample:
R Cuts in thet ires
R Punctures in thet ires
R Tearsint he tires
R Bulges on tires
R Deformation or se vere cor rosion on wheels &
WARNING Risk ofhydroplaning because
tir et read is tool ow
Insuf ficient tir etread will result in reduced
tir et raction .The tir etread will no longer be
able todissipat ewater.
This increase sthe risk of hydroplaning on wet
ro ad sur faces, pa rticularly when tra veling at
an inappropriat espeed. If
th et irep ressur eist oo high or tool ow ,tires
ma yexhibit dif fere nt le vels of wear at dif fer‐
ent locations on thet iret read. #
Regular lych eckt he tir etread dep thand
th ec ondition of thet iret read across
th ee ntir ew idthofa ll tires.
Minimum tread dep thforu se:
R In summer: 00CEin (3 mm)
R In winter: 00CFin (4 mm) #
Fors afet yr easons, ha vethet ires
re placed befor ethe legally prescribed
limit fort he minimum tir etread dep this
re ached. Conduct
thef ollowing checks regular lyon all
wheels, at leas tonce amonthorasr equired, e.g.
befor ealong journe yorwhen driving off- road:
R Chec kthe tir epressur e(/pag e217 )
R Che ckthev alvec aps
Va lves mus tbeprotected from moistur eand
dir tw ithv alvec apss pecifically appr oved by
Mercedes-Benzf oryour vehicle.
R Visually inspect thet read dep thand thet ire
tread across thew hole tir ewidth
Fo ru se in summer ,the minimum tread dep th
is 00CE in (3 mm) and foru se in winter 00CFin
(4 mm). Markings
1showinw hichp laces theb ar indica‐
to rs (ar row )are integ ratedi ntot he tir etread.
The yarevisible as soon as thet read dep this
appr oximately 00CDin (1.6 mm). Information on driving wit
hsummer tires
At temp eratures belo w50°F(10°C) Summer
tires lose elasticit yand therefor etraction and
braking po wer.Chan gethet ires on your vehicle
to M+S tires. Using summer tires at very cold
te mp eratures could cause tear stof orm, thereby
damaging thet ires permanentl y.Mercedes-Benz Wheels and tires
215
canno
tacce ptresponsibility fort his type of dam‐
age.
Alw ayso bser vethem aximum permissible speed
specified fort he summer tires youh ave installed
(/ page228).
Onc eyou ha veinstalled thes ummer tires:
R Chec kthe tir epressur e(/pag e217 )
R Restar tt he tir epressur emonitor
(/ page223) Information on M+S tires
At temp eratures belo w50°F(10°C) use winter
tires or all-season tires –botha remar kedw ith
M+S.
Onl ywinter tires bearing the004D snowflake
symbol in addition totheM +S marking pr ovide
th eb estp ossible grip in wintr yroad conditions.
Only these tires will allo wdriving saf etys ystems
suc hasA BS and ESP ®
to also function optimally
in winter .Thes etires ha vebeen de veloped specif‐
icall yfor driving in sno w.
Use M+S tires of thes ame mak eand tread on all
wheels tomaintain saf ehandling characteristics.
Alw ayso bser vethem aximum permissible speed
specified fort he M+S tires youh ave installed
(/ page228).
If yo ui nstall M+S tires that ha vealowe rmaxi‐
mum permissible speed than them aximum
design speed of thev ehicle, af fixana ppropria te
wa rning sign in thed rive r's field of vision. Yo u
can obtai nthis at aqualified specialis tworks hop.
Once youh ave installed thew inter tires, take the
fo llowing measures:
R Chec kthe tir epressur e(/pag e217 )
R Restar tt he tir epressur emonitor
(/ page223) Note
sons nowc hains &
WARNING Risk of accident du etoincor‐
re ct ins tallation of sno wchains
Ve hicles with rear-wheel drive: ifyo uh ave
ins talled sno wchains tothef ront wheels,
th ey ma ydraga gains tthe vehicle body or
ch assis components.
This could cause damag etothevehicle or the
tires. #
Neverins tall sno wchains on thef ront
wheels. #
Onlyins tall sno wchains on ther ear
wheelsinp airs. #
Vehicles with twin tires: installthe
sno wchains totheo uter wheels. &
WARNING Risk of accident du eto
unsuitable sn ow chains
Ve hicles wit hall-wheel driv edonothave suf‐
fi cient clea rance on thef ront axle forc om‐
mercial lyavailable sn ow chains.
When youi nstall commerciall yavailable sn ow
ch ains ,the sno wchains ma ycom eloose and
damag echassi scomponent sorbrake hoses. #
Only ins tall sno wchains appr ovedby
Mercedes-Benzf orthese tires. Fo
rs afet yr easons, Mercedes-Benz recommends
th at youo nlyu se sn owchains that ha vebeen
ch eckeda nd appr oved.Youc an obtain informa‐
tio na bout sn ow chains from an yqualified spe‐
cialis tworks hop.
* NO
TEDama getothew heel trim from
mounted sno wchains If sno
wchains are mounted tosteel wheels,
th ew heel trims can be damaged. #
Remo vethew heel trims of steel wheels
befor emounting sno wchains. Obser
vethef ollowing no tesw hen using snow
ch ains:
R Snow ch ains ar eonlyp ermissible forc ertain
wheel/tir ecombinations .You can obtain
information on them at aqualified specialist
wo rkshop.
R Fors afet yr easons, onl yuse sn owchains that
ha ve been specifically appr ovedfor your vehi‐
cle byMercedes-Benz, or sno wchains with
th es ame quality standard.
R The sn owchains mus tberetightene dafter
driving appr oximatel y0.6 miles (1 km). This is
th eo nlyw aytoensur ethe sno wchains are
optimall yseated wit hclearanc etoadjacent
components.
R Vehicles with all-wheel drive: install snow
ch ains tothew heels on ther ear axle. On
ve hicles wit htwin tires, ins tallth es now
ch ains totheo uter wheels. Obser vethem an‐
ufacturer's ins tallation instructions. 216
Wheels and tires
has no
treached thel eve ltot rigger illumina‐
tion of theT PMS lo wtirep ressur etelltale.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ethat
th es ystem is no toperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur etelltale. When thes ys‐
te md etects amalfunction, thei ndicator lamp
will flash fora pproxima tely one minut eand
th en remain continuously illumina ted. This
sequence will continue upon subsequent
ve hicle start-ups as lon gasthe malfunction
ex ists.
When them alfunction indicator is illuminated,
th es ystem ma ynotbe able todetect or sig‐
nal lo wtirep ressur easi ntended. TPM Smal‐
functions ma yoccu rfor av ariety of reasons,
includin gthe ins tallation of replacement or
alternat etires or wheels on thev ehicle that
pr ev ent theT PMS from functioning properly.
Alw aysc hec kthe TPMS malfunction telltale
af te rr eplacing one or mor etires or wheels on
yo ur vehicle toensur ethat ther eplacement
or alternat etires and wheels allo wthe TPMS
to continu etofunction properly. The sy
stem checks thet irep ressur eand thet em‐
peratur eofthe tires ins talled on thev ehicle by
means of atirep ressur esensor.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomatically taught-in during thef irst jour‐
ne yt heya reused.
The tir epressur eand thet iret emperatur eappear
in them ultifunction displa y(/pag e171).
If th er eisas ubstantia llos soft irep ressure, a
wa rning is issued:
R Viad ispla ymessages (/ page276 )
R Viat he 0077 warning lam pinthe instrument
clus ter
It is thed rive r's responsibility tosetthe tir epres‐
sur etot herecommended cold tir epressur esuit‐
able fort he operating situation. Se tthe tir epres‐
sur efor cold tires using atirep ressu regauge.
No tethat thec orrect tir epressur efor thec urrent
ope rating situatio nmustfirst be taught-in tothe
tir ep ressur emonitoring sy stem.
In mos tcases, thet irep ressur emonitoring sys‐
te mw illa utomatically updat ethe ne wreference
va lues af tery ou ha vechanged thet irep ressure.
Yo uc an,h ow eve r,also updat ethe refere nce val‐ ues
byrestartin gthe tir epressur emonitoring
sy stem manuall y(/pag e223).
Sy stem limits
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et irep ressur eiss etincor rectly
R Ifth er eisas udden pressur eloss caused by a
fo re ign object penetratin gthe tire, fore xam‐
ple
R Ifth er eisam alfunction caused byano ther
ra dio signal source
R Ifth er eisac hangeoft ires ize 222
Wheel sand tires
#
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. 1
Prefixing letter
2 Nominal tir ewidthinm illimeters
3 Aspect ratio (i npercent)
4 Tire code
5 Rimd iame ter
6 Load-bearing index
7 Speed rating
8 Loadind ex
% The dat
ashown in thei llustration is sample
data.
Fu rther information about reading tir edatac an
be obtaine dfroma nyqualified specialis twork‐
shop.
Prefixing letter 1
1:
R "LT": light truc ktires in accordance wit hUS
manufacturer standards.
R "C": tires forc ommercial usage in accordance
wit hE uropean manufacturer standards.
Aspect ratio (i npercent) 3 3:
The size ratio betwee nthe tir eheight and tire
widt hand is shown in percent (tir eheight divided
by tirew idth ).
Ti re code 4
4 (tiretype):
R "R": radial tire
Rim diam eter 5 5:
The diame teroft he bead seat (no tthe diame ter
of ther im flange). The rimd iame teriss pecified in
inches (in).
Load-bearing index 6 6:
Numerical code whic hspecifies them aximum
load-bearing capacity of atire( "91" equals, e.g.
13 56 lb (6 15kg)).
The tir eload-bearing capacit ymustbeatl east
half theg ross axle weight rating of thev ehicle. Do no
toverload thet ires byexceeding them axi‐
mum permissible load.
See also:
R Maximum permissible load on theT irea nd
Loading In form atio nplacar d(/pag e224 )
R Maximum tir eload (/ page228)
R Load index
Spee drating 7 7:
Specifies thea ppr ove dm aximum speed of the
tire.
% An electroni
cspeed limiter pr events your
ve hicle from exceeding aspeed of 130m ph
(2 10 km/h).
Ensu rethat your tires ha vether equired speed
ra ting .You can obtain information on the
re qu ired speed rating at an au thorized Mercedes-
Benz Center.
Summer tires Inde
xS peedrating
LU pto75mph (120 km/h)
MU pto81mph (130 km/h)
NU pto87mph (140 km/h)
PU pto93mph (150 km/h)
QU pto100mph(160k m/h)
RU pto106mph(170k m/h) Summer
,all-season and winter tires Inde
xS peedrating
LM +S1
Upto75 mph(120k m/h)
MM +S1
Upto81 mp h(130k m/h)
NM +S1
Upto87 mph(140k m/h)
PM +S1
Upto93 mph(150k m/h)
QM +S1
Upto100m ph (160 km/h)
RM +S1
Upto118m ph (170 km/h) 1
:or" M+S 004D"f or winter tires
Wi nter tires ar emarke dw itht he 004D snowflake
symbol and fulfill ther equirements of theR ubber
Manufacturer sAssociation (RMA) and theR ubber
Associatio nofCanada (RAC) rega rding thet ire
traction on sno w. Wheels and tires
229
*
NO
TEVehicle and tir edamag ethrough
tir et ype sand sizes that ha venotb een
appr oved Fo
rs afet yr easons, onl yuse tires, wheels and
accesso ries whic hhave been specially
appr ovedbyM ercedes-Benzf oryour vehicle.
These tires ha vebeen speciall yadap tedf or
use wit hthe contro lsystems, suc hasABS or
ESP ®
.
Otherwise, cer tain properties ,suc hash an‐
dling characteristics, vehicle noise and con‐
sum ption could be adversel yaffected. Fur‐
th ermore, other tir esize could result in the
tires rubbing agains tthe body and axle com‐
ponents when loaded. This could result in
damag etothe tireort hevehicle. #
Onlyuse tires, wheels and accessories
th at ha vebeen checkeda nd recommen‐
ded byMercedes-Benz. *
NO
TEDriving sa fety pu tatriskbyretrea‐
de dt ires Re
treade dtires ar enotcheckedorr ecom‐
mended byMercedes-Benz, as pr evious dam‐
ag eisn otalw aysd etected during ther etre ad
process.
Driving sa fety cannot, therefore, be guaran‐
te ed. #
Do no tuse used tires when their pr evi‐
ous usag eisunknown. *
NO
TEDama getoelectronic component
parts thro ugh theu se of tire-ins talling
to ols Ve
hicles with atirep ressur emonitoring
sy stem: ther ea reelectronic component
parts in thew heel. Tire -ins talling tools should
no tbea pplied in thea reaoft hevalve.
Otherwise, thee lectronic componen tparts
could be damaged. #
Alwaysh ave tires changed at aqualified
specialis tworks hop. Ac
cessories that ar enotappr ovedfor your vehi‐
cle byMercedes-Benz, or ar enotbeing used cor‐
re ctly ,can impair ope rating sa fety. Befor
epurch asing and using non-appr oved
accesso ries, visit aqualified specialis tworks hop
and inquir eabout:
R Suitability
R Legal stipulations
R Factor yrecommendations
Obser vethef ollowing points when selecting,
ins talling and replacing tires:
R Use onl ytires and wheels of thes ame type,
design (winter tires, all-season tire) and
make.
R Onlyins tall wheels of thes ame size and tread
design on one axle (lef tand right).
It is onl ypermissible toins tallad iffe re nt
wheel size tothis in thee vent of aflat tir ein
order todriv etot he specialis tworks hop.
R Onlyins tall tires of thec orrect size ont othe
wheels.
R Ve
hicles with atirep ressur emonitoring
sy stem: all ins talled wheels mus tbeequip‐
ped wit hfunctioning sensor sfor thet irep res‐
sur em onitoring sy stem.
R Attemp eratures belo w50°F(10°C), use
winter tires or all-season tires mar kedM +S
fo ra ll wheels.
Wi nter tires bearing the004D snowflak esym‐
bol in addition totheM +S marking pr ovide
th eb estp ossible grip in wintr yroad condi‐
tions.
R Only use tires wit hthe same tread.
R Obser vethem aximum permissible speed for
th ei nstalled tires.
If th is is belo wthe vehicle's maximum per‐
missible speed, this mus tbeindicated in an
appropriat elabel in thed rive r's field of vision.
R Break in ne wtires at moderat espeeds fort he
fi rs t60m iles (100 km).
R Replace thet ires af ters ixyearsatt he latest,
re ga rdless of wear.
Fo rm orei nformation on wheels and tires, con‐
ta ct aq ualified specialis tworks hop.
% Ve
hicles with twin tires: 232
Wheels and tires
Ro
ofrack ............................................... 260
Ro ofrack (information) ........................ 181 S
Saf etyv est ............................................ 19 9
Seat belt ............................................ 32, 35
Ad justing theh eight ........................... 34
Car e.................................................. 197
Fa stening ............................................ 34
Pr otection impaired ............................33
Pr otection pr ovided ............................ 32
Re leasing ............................................ 35
Wa rning lamps .................................... 35
Seat co ver(ca re) .................................. 197
Seats .................................................6 4,72
4-w aylumbar suppor t....................... .69
8- wa ya djustmen toptions .................. 67
Ad justing armrests ............................. 71
Ad justing theh ead restra ints
mechanically ...................................... 75
Ad justing thes eat backrests (rear
benc hseat) ........................................75
Ad justing thes eat cushion (twin
co-driver's seat) ..................................71
cor rect driver's sea tposition .............. 64
Fo lding thef olding seat up/down ....... 71
front (adjus telectrical ly). .................... 67
Fr ont (adjusting manually ,with
Seat Comfor tPacka ge ). .................... .66
Fr ont (adjusting mechanicall y,
without Seat Comfor tPacka ge ). ........ .64
Fr ont (adjusting mechanically) ........... 66
Ins talling and removing rear ben ch
seat ....................................................72
Memor yfunction ................................ 67
Operating them emor yfunction ......... 69
Setting option s................................... 16
Tu rning (front seat) ............................ .70
Wi th Sea tCom fort Pa ckag e. .............. .66
Wi thout Seat Comfor tPacka ge .......... 64
Securing luggage ..................................1 78
Selecto rlev er
see DIRECT SELECT le ver
Sensor s(care) ....................................... 19 5
Service see ASS YSTP LUS
Service (on-boar dcomputer) ...............172
Service center see Qualified specialis tworks hop
Service inter vald isplay
see AS SYST PLUS Service products
Refrigerant (ai rconditioning) ............ 255
Setting thes peed
see Cruise control
Settings (on-boa rdcompu ter) ............ .174
Short-distance trips ..............................11 3
Side airbag ..............................................35
Side window ...........................................58
Closin g............................................... 58
Closin g(all) ........................................ 58
Closin gusingthe key. ........................ 60
Con venience closing .......................... 60
Co nvenienc eopening .........................60
Opening ..............................................58
Opening (all). ...................................... 58
Opening wit hthe key. ........................ .60
Sid ew indows
Problem ..............................................61
Re setting. ........................................... 60
Size designation (tire) .......................... 228
Sliding door B-pillar door sill (button) ..................... 52
Center console (button) ..................... 52
Child saf etyl oc k. ................................ 44
Closin g(from inside) .......................... .51
Closin g(from outside) ........................ 51
Opening (from inside) .........................51
Opening (from outside) ....................... 51
Sno wchains .......................................... 216
Soc ket(12 V) .......................................... 80
Ca rgoc ompartment. .......................... 81
Driver' sseat. ...................................... 80
Fr ont center console .......................... 80
Soc ket(11 5V) ......................................... 80
Lo we rcontrol panel ............................ 80
Spar ewheel
Ins talling/ removing ......................... .240
No tes. .............................................. 239
Special seat belt retractor ..................... 40
Speciali stwo rkshop .............................. 25
Speed limitation, winter tires Setting ..............................................1 52
Spee drating (tire) ................................ 228
Speedome ter( digital) ......................... .173
St andb ymode
Ac tivating/deactivating .................... 14 5
St art/s topb utton
Pa rking thev ehicle ........................... 14 0
St artin gthe vehicle ........................... 11 0306
Index