Problems
withtheseat heating Problem
Possible
causes/co nsequences and0050 0050
Solutions The
seat heating has
switched offprema-
turely orcannot be
switched on.The vehi-
cle's electrical system
voltage istoo low
because toomany elec-
trical consumers are
switched on. Switch
offelectrical consumers thatyoudonot need, suchasthe
rear window defroster orinterior lighting.
Once thebattery issufficiently charged,switchonthe seat heating
again. AIRSCA
RF
Setting headlevelheating (AIRSCARF) G
WARNING
When AIRSCARF isswitched on,very hotair
can flow from thevent sin the head
restraint s.This could result inburns inthe
immediate vicinityofthe airvent s.There isa
risk ofinjury.
Reduce theheater output beforeitbecomes
too hot. The
AIRSCARF functionwarms thehead and
neck areaofvehicle occupants withwarm air.
The warm airflows outofthe holes inthe head
restraint s.
The three redindicator lampsinthe button
indicate theheating levelyouhave selected.
X Ensure thattheSmartK eyisin position 0048
in the ignition lock.
X To switch on:press button 0043.
Three redindicator lampsinthe button light
up. The blower startsupafter apreheating
phase ofseven seconds. X
Press button 0043repeatedly untilthedesired
heating levelisset.
X To switch off:press button 0043repeatedly
until allthe indicator lampsgoout.
i The
blower continues running forseven
seconds tocool down theheating elements.
i If
the battery voltage istoo low, AIRSCARF
may switch off.
Problems withAIRSCA RF AIRSCARF
hasswitched offprematurely orwill
not switch on.The vehicle's electrical system
voltage istoo low because toomany electrical
consumers areswitched on.
X Switch offelectrical consumers thatyoudo
not need, suchasthe rear window defroster
or interior lighting.
X Switch onAIRSCARF again. Steering
wheel Import
antsafety notes G
WARNING
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint ,
steering wheelormirrors
R fasten theseat belt
There isarisk ofan accident. Steering
wheel
89Seats,steering wheeland mirrors
Z
EASY-EN
TRY/EXIT feature
Imp ortant safety notes G
WAR
NING
If you driveoff while theEA SY- ENTRY/ EXIT
feat ure ismak ingadjust men ts,you could
lose control of theveh icle.Ther eis arisk of
an acc iden t.
Always waituntilth eadj ust men tpro ces sis
com pletebefo redriv ingoff. G
WAR
NING
When theEA SY- ENTRY/ EXITfeat ure adjust s
th est eeri ngwheel, youand other vehicle
occ upant s– part icular lych ildre n–coul d
bec ome trapped. Thereis arisk ofinjury.
While theEA SY- ENTRY/ EXITfeat ure ismak -
ing adjust men ts,mak esure that no onehas
any body partsin thesweep ofthest eeri ng
wheel.
If som ebody become strapped:
R pres son eof themem oryfunction posi-
tio nbut tons ,or
R mov eth eswit chfor steeri ngwheel
adj ust men tin theoppo sitedire ction to
th at inwhic hth est eeri ngwheel ismov -
ing .
The adjust men tpro ces sis stopped . G
WAR
NING
When theEA SY- ENTRY/ EXITfeat ure adjust s
th est eeri ngwheel andthedriv er'sseat ,you
and other vehicle occupant s– part icular ly
ch ildre n–coul dbec ome trapped. Thereis a
risk ofinjury.
While theEA SY- ENTRY/ EXITfeat ure ismak -
ing adjust men ts,mak esure that no onehas
any body partsin thesweep oftheseat and
th est eeri ngwheel. If
som ebody become strapped:
R pres son eof themem oryfunction posi-
tio nbut tons ,or
R pres son eof themem oryfunction mem -
ory buttons ,or
R mov eth eswit chfor steeri ngwheel
adj ust men tin theoppo sitedire ction to
th at inwhic hth est eeri ngwheel ismov ing
The adjust men tpro ces sis stopped . G
WAR
NING
If you useopen ingsin thebodywor kor
det ach able partsas steps, youcould:
R slip and/ orfall
R damag eth eveh icle and caus eyours elfto
fall.
Ther eis arisk ofinjury.
Always usesecure clim bingaids, e.g.a suit -
able ladder .
The EASY- ENTRY/ EXITfeat ure mak esget ting
in and outofyour vehicle easier .
You canactivat eand deac tivate theEA SY-
EN TRY/ EXITfeat ure intheon -bo ard com pute r
(Y page 178).
Posit ionofthest eeri ngwheel when
th eEASY-EN TRY/EXIT feature isact ive The
steeri ngwheel swingsup when you:
R rem ove theSm artKey from theign ition lock
R open thedriv er'sdoor withKEYLE SS-GO in
posit ion1
R open thedriv er'sdoor andtheSm artKey is
in posit ion0092or0047
i The
steeri ngwheel movesupwards onlyif
it has notalread yreac hedtheupper steer-
ing limit er.
Posit ionofthest eeri ngwheel fordriv-
ing The
steeri ngwheel ismov edtothelast selec -
te dposit ionwhen :
R thedriv er'sdoor isclo sed
R you insert theSm artKey intoth eign ition
loc k St
eerin gwheel
91Seats,steerin gwheel andmirrors Z
or
R you press theStart /Stopbutton onceon
vehicles withKEYLE SS-GO
When youclose thedriver's doorwiththeigni-
tion switched on,the steering wheelisalso
automatically movedtothe previously set
position.
The lastposition ofthe steering columnis
stored whenyouswitch offthe ignition or
when youstore thesettingwith thememory
funct ion(Ypage 95).
Crash- responsive EASY-EXIT featur e If
the crash-r esponsive EASY-EXI Tfeature is
triggered inan accident ,the steering column
will move upwards whenthedriver's dooris
opened. Thisoccurs irrespect iveofthe posi-
tion ofthe Smart Keyinthe ignition lock.This
makes iteasier toexit thevehicle andrescue
the occupant s.
The crash-r esponsive EASY-EXI Tfeature isonly
operational ifthe EAS Y-EXI T/ENTRY featureis
activated inthe on-board computer
(Y page 178). Mirr
ors Inside
rearview mirror X
Anti-glare mode:flickanti-glare lever0043
forwards orback. Exterior
mirrors
Adjust ingthe exterior mirrors G
WARNING
You could losecontrolofyour vehicle ifyou
do the following whiledriving:
R adjust thedriver's seat,head restraint ,
steering wheelormirrors
R fasten theseat belt
There isarisk ofan accident .
Adjust thedriver's seat,head restraint ,
steering wheelandmirror andfasten your
seat beltbefore startingthe engine. G
WARNING
The exter iormirror onthe front -passenger
side reduces thesize ofthe image. Visible
object sare actually closerthantheyappear.
This means thatyoucould misjudge thedis-
tanc efrom roadusers traveling behind,e.g.
when changing lane.There isarisk ofan
accident .
For this reason, alwaysmake sureofthe
actual distance fromtheroad users traveling
behind byglancing overyour shoulder. X
Make surethattheSmart Keyisin position
0047 or0048 inthe ignition lock.
X Press button 0043for the left exter iormirror
or button 0044for the right exteriormirror.
The indicator lampinthe correspon dingbut-
ton lights upinred.
The indicator lampgoesoutagain after
some time.Youcanadjust theselected 92
Mirr
orsSeats, steering wheelandmirrors
ext
erior mirror usingbutton 0087aslong as
the indicat orlamp islit.
X Press button 0087up, down, tothe right orto
the left.
The exterior mirror mustbeset toaposition
that provides youwith agood overview of
traff iccon ditions .
The convex exterior mirror sprovide alarger
field ofvision.
The exterior mirror sare automatic allyheated
after startingthe vehicle ifthe rear window
defrost erisswitched onand theoutside tem-
perature islow. Mirror heating lastsupto10
minutes .
i You
canalso heat upthe exterior mirror s
manually byswitchin gon the rear window
defrost er.
Folding theexterior mirrorsin or out
electrically X
Make surethattheSmart Keyisin position
0047 or0048 inthe ignition lock.
X Briefly pressbutton 0043.
Bot hext erior mirror sfold inor out.
i Make
surethattheexterior mirror sare
alway sfolded outfully while driving. They
could otherwisevibrate.
Folding theexterior mirrorsin or out
aut omat ically If
the "Fold inmirror swhen locking"func tion is
activat edinthe on-board comput er
(Y page 179): R
the exterior mirror sfold inautomatic allyas
soon asyou lock thevehicle fromtheout-
side.
R the exterior mirror sfold outagain automati-
cally assoon asyou unlock thevehicle and
then open thedriver's orfron t-passenger
door.
i The
exterior mirror sdo not fold outifthey
have been folded inmanually.
Exterior mirror push edout ofposition If
an ext erior mirror hasbeen pushed outof
position ,proceed asfollows:
X Vehicles
withoutelectrically folding
exterior mirrors: move theexterior mirror
into thecorr ectposition manually.
X Vehicles
withelectrically foldingexte-
rior mirrors: press andhold mirror -foldin g
button untilyouhear themirror clickinto
place (Ypage 93).
The mirror housing isengaged againand
you can adjust theexterior mirror sas usual
(Y page 92). Automa
ticanti- glare mirrors G
WARN
ING
Elect rolyte mayescape ifthe glass inan
automatic anti-glare mirror breaks. Theelec-
trolyt eis harmful andcauses irritation.It
must notcome intocontact with your skin,
eyes, respirator yorgans orcloth ingorbe
swallowed. Thereisarisk ofinjury.
If you come intocontact with theelectr o-
lyte, observe thefollowing:
R Rinse offthe electr olytefromyourskin
immediately withwater.
R Immediately rinsetheelectr olyteoutof
your eyes thoroughly withclean water.
R Ifthe electr olyteisswallowed, immedi-
ately rinse yourmouth outthor oughly. Do
not induce vomiting.
R Ifelectr olytecomes intocontact with your
skin orhair orisswallowed, seekmedical
atten tionimmediately. Mirr
ors
93Seats, steering wheelandmirrors
Z
R
Immedia telychange outofclothing which
has come intocontact withelectroly te.
R Ifan allergic reaction occurs,seekmedi-
cal attention immediately.
The rear-view mirrorandtheexterior mirroron
the driver's sideautoma ticallygointo anti-
glare mode ifthe follow ingconditions aremet
simul taneousl y:
R the ignition isswitched onand
R incident lightfrom headlampsstrikes the
sensor inthe rear-view mirror
The mirrors donot gointo anti-glare modeif
reverse gearisengaged orifthe interior light-
ing isswitched on. Parking
positionfor the exterio rmir-
ror onthe front-passenge rside
Setting andstoring theparking posi-
tion Usin
gthe memory button You
canstore theparking positionof the front-
passe nger-side exteriormirrorusingmemory
button M0085. The reverse gearmust notbe
engaged duringthe process.
X Make surethatthevehicle isstationary and
that theSmartKey isin positio n0048 inthe
ignition lock.
X Press button 0044for the exterior mirroron
the front-passenger side. X
Engage reverse gear.
The exterior mirroronthe front-passenger
side moves tothe preset parking position.
X Use button 0087toadjust theexterior mirror
to apositio nthat allows youtosee therear
wheel andthecurb.
The parking positionis stored.
i If
you shift thetransmission toanother
positio n,the exterior mirroronthe front-
passe ngersidereturns tothe driving posi-
tion.
Usin greverse gear You
canadjust theexterior mirroronthe front-
passe ngersidetoapositio nthat allows youto
see therear wheel onthat side assoon asyou
engage reverse gear.Thissetting canbe
stored usingmemory buttonM0085.
X Ensure thattheSmartKey isin positio n0048
in the ignition lock.
X With theexterior mirroronthe front-
passe ngersideactivated, usebutton 0087to
adjust theexterior mirror.Therear wheel
and thecurb shoul dbe visib lein the exterior
mirror.
X Press memory buttonM0085 and one ofthe
arrows onbutton 0087within threeseconds.
The parking positionis stored ifthe exterior
mirror doesnotmove.
X Ifthe mirror moves outofpositio n,repea t
the steps. 94
MirrorsSeats,
steerin gwhe eland mirrors
Callin
gup ast ored parking position
set ting X
Turn theSm artKey toposi tion0048 intheign i-
tio nloc k.
X Sel ect theex terior mirror onthefron t-
pass enger side usingbut ton0044.
X En gage revers egear .
The exterior mirror onthefron t-passe nger
side movestothest ore dpark ingposi tion.
The exterior mirror onthefron t-passe nger side
mov esback toits orig inal posi tion:
R as soon asyou excee daspee dof 9mph
(15 km/h)
R ifyou pres sbut ton0043 for theex terior mirror
on thedriv er'sside Mem
oryfunct ion St
ori ng set tings G
WAR
NING
If you usethemem oryfunction onthedriv -
er' sside while driving,you couldlose con-
tr ol of theveh icle asares ult oftheadj ust -
men tsbein gmade .Ther eis aris kof an acc i-
den t.
On lyuse themem oryfunction onthedriv -
er' sside when theveh icle isstatio nary. G
WAR
NING
When themem oryfunction adjust sth eseat ,
you and other vehicle occupan ts–part icu-
larly childre n–coul dbec ome trapped. There
is aris kof injury. While
themem oryfunction ismak ingadjust -
men ts,mak esure that no onehas any body
part sin thesweep oftheseat .
If som eonebec ome strapped, pressa mem -
ory posi tionswit chorseat adjust men t
swit chimm ediat ely. G
WAR
NING
Childr encoul dbec ome trapped ifth ey act i-
vat eth emem oryfunction ,part icular lywhen
unat tende d.Ther eis aris kof injury.
Nev erleave childre nuns uperv isedinthe
veh icle.
When leavingtheveh icle,always taketh e
Sm artKey withyou and lockth eveh icle.This
also applies fortheDig ital Veh icle Key ifth e
"Dig italVeh icle Key" function isact ivat edvia
Mer cedesme connect.
The mem oryfunction can beact ivat edatany
tim e,e.g .eve nwhen theSm artKey isno tin
th eign ition lock.
Wit hth emem oryfunction ,you can store upto
th ree differe ntset tings, e.g.for three differe nt
peopl e.
The followin gset tings are store das asin gle
mem orypres et:
R Posi tionof theseat ,back restand head
res traint
R Dr iver 'sside: steer ing wheel position
R Dr iver 'sside: positionof theex terior mirrors
on thedriv er'sand fron t-pass enger sides Mem
oryfunct ion
95Seats,steerin gwheel andmirro rs Z
Alw
aysma kesure tha tnei ther younor thebat-
tery iselectro statica lly cha rged.Abu ild-u pof
el ectro static cha rge can becau sed,for exa m-
pl e:
R by wearing clothing ma de from syntheti c
fib ers
R du eto frictio nbe twe enclothing and seats
R ifyo upu sh orpullthe battery across the
car petor othe rsy ntheti cma teri als
R ifyo uwi pe the battery with aclo th G
WA
RNING
Dur ing the charging pro ces s,aba ttery pro-
du ces hydro gen gas.Ifasho rtcirc uitoccu rs
or spa rks arecrea ted,the hydro gen gascan
ig nite .The reisaris kof an exp losion.
R Ma kesure tha tthe positive term inalof a
conne ctedbattery does not come into
conta ctwith veh iclepa rts.
R Nev erplace meta lob jects ortool son a
ba ttery .
R Itis imp orta nttha tyo uob ser vethe
de scri bedord erofthe battery terminals
wh en conne ctinganddisconne ctingaba t-
tery .
R Whe njum p-sta rting,ma kesure tha tthe
ba ttery poleswi th identi calpolarity are
conne cted.
R Itis pa rticu larly imp orta ntto obser vethe
de scri bedord erwh en conne ctinganddis-
conne ctingthejumpercab les.
R Nev erconne ctor disconne ctthe battery
term inalswh ile the engineisrunning . G
WA
RNING
Batte ryaci dis cau stic.The reisaris kof
inju ry.
Avoi dconta ctwith ski n,eyes orclo thing. Do
not inhale any battery gases .Do not lean
ove rthe battery .Kee pchi ldren away from
ba tteri es.Washaway battery acidimm edi-
ate lywith plenty ofcle an water and seek
med icalatte ntion. H
En
viron men talnote Batte
riesconta inpo lluta nts.
It is ille ga lto dispo seof
them with the household
ru bb ish. The ymu stbe col-
le cted separate lyand dis-
po sed ofinan envi ronm en-
tal lyres ponsi ble recy cling
sy stem . Dis
pose ofbatteri esinan
envi ronm entally res ponsi ble
ma nner. Take discha rged
ba tteri estoaqu alifi ed spe -
cia list wo rksh oportoacol -
le ctio npo int for used bat-
teri es.
! Hav
ethe battery regular ly che cked ata
qu alifi ed spe cialist wo rksh op.
Co mpl ywi th the service intervalsin the
Ma inte nance Booklet,or conta ctaqu alifi ed
spe cialist wo rksh opfor more informa tion.
! Alw
aysha ve workon batteri escar riedou t
at aqu alifi ed spe cialist wo rksh op.
Shou ldit, inexce ptiona lcirc umstances ,be
ab sol ute lynece ssaryto disconne ctthe 12-
vol tba ttery yoursel f,plea se obser vethe fol-
lo wi ng:
R Secu rethe vehicleto pre vent itfrom roll-
ing away.
R Swi tch offthe igniti on.
R Dis conne ctthe negative term inalfir st and
then thepositive term inal.
The trans mission islocked inpo sitio n005D
afte rdi sconne ctingthebattery .
After theworkhasbe en done, installthe
ba ttery andreplace the cove rof the positive
term inalcla mp firmly .
Co mpl ywi th safety precau tions and take pro-
tecti vemea sures when handl ing batteri es. Ri
sk ofexp losion. Fir
e,op en flames andsmoking are
pro hibi ted when handl ing the bat-
tery .Avoi dcrea ting sparks. 25
8 Battery
(vehi cle)Breakdo wnassis tan ce
Numbe
rof seats Ma
xim um num berof seats 0043indicates the
ma xim um num berof occu pants allo we dto
tra vel inthe vehicle. Thisinf orm ation can be
fou ndonthe Tire and Loading Info rma tion
pl aca rd.
i Th
esp eci ficat ions sho wnonthe Tire and
Loa ding Info rma tionplaca rdinthe illu stra -
tio nar eexa mpl es.Th enum berof seats is
veh icle-s pecificand candiffe rfro mthe
de tai lssho wn. Thenum berof seats inyour
veh iclecan befou ndonthe Tire and Load-
ing Info rma tionplaca rd. De
termi ning the correc tlo ad limit
Ste p-by -stepin struc tions Th
efol lowi ng ste pshave been devel oped as
req uired ofallma nuf acturers und erTitle 49,
Co de ofU.S. FederalRe gulatio ns, Part575
pu rsu ant tothe "Nati ona lTra fficand Motor
Ve hicle Safety Act of1966 ".
X Ste p1: Loc ate the stateme nt"The com -
bi ned weight ofoccu pants and cargosho uld
neve rexce edXXX kgorXXX lbs." onyour
veh icle’sTire and Loading Info rma tionplac-
ar d.
X Ste p2: Dete rminethe com bined weight of
the driver and passe nge rstha twi llbe ridi ng
in your veh icle.
X Ste p3: Sub tractthe com bined weight of
the driver and passe nge rsfro mXXX kilo-
gra ms orXXX lbs.
X Ste p4: Theres ulting figu re equalsthe avail-
ab leam ount ofcar goand lugg ageload
cap acity. For exampl e,ifthe "XXX" amount
eq uals1400 lbsand therewillbe five 150-l b
pa sse nge rsinyour veh icle, the amount of av
ailabl e car goand lugg ageload cap acityis
650 lbs(14 00-750 (5x150) =650 lbs).
X Ste p5: Dete rminethe com bined weight of
lu gg ageand cargobeing load ed on the vehi-
cle .Th at we ight ma ynot safel yexce edthe
av ailabl e car goand lugg ageload cap acity
cal culated inste p4. Ex
ampl e:ste ps1to 3
Th efol lowi ng tab lesho wsexa mpl eson howto
cal culate tota land cargoload cap acitieswi th
va rying seati ng conf igur ati ons and num berand
si ze ofoccu pants. Thefol lowi ng exa mpl esuse
a load limi tof 1500 lbs(68 0kg ).Thi sis for
il lus trati onpurpo seson ly.Ma kesure you
ar eus ing the actu alload limi tfor your veh icle
sta ted onyour veh icle'sTire and Loading Info r-
ma tionplaca rd(Y page 279 ).
Th egre aterthe com bined weight ofthe occu -
pa nts, thelowe rthe maxim um lugg ageload .
Ste p1 Ex
ampl e1 Ex
ampl e2 Co
mbi nedmax-
imu mwe ight
of occu pant s
and cargo
(da tafro mthe
Tire andLoad-
in gIn fo rma-
tio npla card) 1500
lbs
(68 0kg ) 1500
lbs
(68 0kg ) 28
0 Lo
adi ng the vehicleWhe elsand tires