Page 350 of 533

The
TVtune renables reception of digital chan‐
nel saccordin gtothefollowing standards:
R DVB-T
R DVB-T2
In some countries ,the standards ma ynotbe
av ailable, or ma ynotbe available in all areas.
ACAm odule (Conditional Access Module),
whi chis no tincluded in thes cope of deliver y,is
used todecryp tHDprogramme saccording to
th eC I+standard. In som ecountries, an addi‐
tional smar tcardisr equired, whic hisinserted
int ot he CA module (see them anufacturer's
operating manual).
The TVtune risInt he boot, beneat hthe rear
shelf. The CAmodule is inser tedi ntot he TV
tune r.
* NO
TEDama getotheCAm odule and
Smar tCard The
CAmodule is designed foru se in the
home. When used on them ove,the CA mod‐
ule ma yoverheat in consis tentl yh igho utside
te mp eratures and ma ybedamaged. #
Mak esuret hat theCAm odule is not
subject tohigh temp eratures fore xten‐
de dp eriods of time.
If th eCAm odule is dama ged, no
enc rypte dchannels can be recei ved. The
TVtune rcan recei veprogrammes in Dolby
Digital Plus. Manufactured under licens
efromD olbyLabora‐
to ries. Dolb y,Dol byAudio and thed ouble-D sym‐
bol ar etrademar ksof Dolb yLaboratories.
The TVtune rautomatically sets theTVs tandard.
TV reception is dependent on thef ollowing fac‐
to rs:
R Speed
R Characteristics of thes elected TVchannel
TV reception ma ybeinfluenced bythef ollowing
fa ctors:
R Electronic device swhich aret aken in tothe
ve hicle ma yimp air TV reception.
R The conditions forr eceptio nmaychange
whils tthe vehicle is in motion.
Po or reception conditions can ha vethef ollowing
ef fect:
R The TVtune rswitche stoana lternativechan‐
nel wit hbette rr eceptio nwhich is digitally
broadcastin gthe same programme content
R The TVtune rmutes thes ound, freezes the
screen or hides it. The tsymbol appears
in thed ispla y. Multimedia sy
stem 347
Page 357 of 533

#
Select apictur eformat. HD prog
rammes Inse
rting theCAm odule
* NO
TEDama getotheCAm odule and
Smar tCard Th
eCAm odule is designed foru se in the
home. When used on them ove,the CA mod‐
ule ma yoverheat in consis tentl yh igho utside
te mp eratures and ma ybedamaged. #
Mak esuret hat theCAm odule is not
subject tohigh temp eratures fore xten‐
de dp eriods of time.
If th eCAm odule is dama ged, no
enc rypte dchannels can be recei ved. The
TVtune risInt he boot, beneat hthe rear
shelf. #
Ifre qu ired (countr y-dependent), inser tthe
Sma rtCa rd intot he CA module slot. #
Remo vethep rotectiv ecap from theTVt uner. #
Inser tthe CA module int othe TV tune rslot. #
Replace thep rotectiv ecap on theTVt uner.
When theCAm odule is inser tedc orrectly,
encryp tedH Dprogrammes can be recei ved
accordin gtoCI+standard.
If th eCAm odule is no tcompatible, afault
messag eappears.
Calling up theCAm odule menu
Multimedia sy stem:
, Media .
à Media sour-
ces .
TV .
Z Options #
Select CA module. #
Select amenu option.
% Youc an vie wthe subscription number in the
CI Menu.Y ou needthis to extend thes ub‐
scription ,for example.
If playbac kismalfunctioning, youc an tr yto
re sol vethep roblem with Restart CI module .
Fu rther information (see them anufacturer's
operating instructions). Sound
To
ne settings Information about
thes ound sy stem
The soun dsystemh asatotal output of 100
wa tts and is equippe dwith10s peakers. It is
av ailable fora ll functions in ther adio and media
modes.
Calling up thes ound menu
Multimedia sy stem:
, Media .
à Sound
The following function sareavailable:
R Equaliser
R Balance and Fader
R Automatic volum eadjustment
R Other soun dsettings #
Select asoun dm enu. 354
Multimedia sy stem
Page 398 of 533
Fu
se bo xinthe boot Re
quirement:
R Obser vethen otes on electrical fuses
(→ pag e392). #
Fold co ver1down in thed irection of the
ar row. Breakdown assis
tance 395
Page 413 of 533

#
Attach wheel spanner 3tosoc ket 2and
tighten theh ub cap clockwise.
Specified tightening torq ue: 25 Nm. #
Raise thev ehicle (→ page412). Ra
ising thev ehicle when changing awheel Re
quirements:
R Ther eareno persons in thev ehicle.
R The vehicle has been prepared foraw heel
ch ang e(→pag e408).
R The hub caps ha vebeen remo ved
( → pag e409).
Impor tant no tesonu singthej ack:
R onlyusethev ehicle-specific jac kthat has
been tested and appr ovedbyM ercedes-Benz
to raise thev ehicle.
R thej ackiso nlyd esigned forr aising and hold‐
ing thev ehicle foras horttime while awheel
is being changed and no tfor maintenance
wo rkunder thev ehicle. R
thej ackm ustbep laced on afirm, flat and
non-slip sur face. If necessar y,use alarge,
load-bearing, non-slip underla y.
R thef ootoft he jac kmustbep ositioned verti‐
call yunder thej acking point. Ru
les of conduct when thev ehicle is raised:
R Neverp lace your hands or feet under the
ve hicle.
R Do no tlie under thev ehicle.
R Do no tstar tthe engine and do no trelease
th ee lectric parking brake.
R Do no topen or close an ydoor sort he boot
lid. #
Using thew heel wrench, loosen thew heel
bolts on thew heel youw ish tochang eby
about on efull turn. Do no tunscr ewtheb olts
comple tely. 41 0
Wheels and tyres
Page 421 of 533

R
ifth et wo -way radio is no tconnec tedto
an exterior aerial
R ifth ee xterio raerial is no tcorrectly
mounted or is no toflowreflection
This could jeopardise theo perating saf etyof
th ev ehicle. #
Have thel ow -reflectio nexterio raerial
fi tted at aqualified specialis tworks hop. #
When operating two-w ayradios in the
ve hicle, alw aysc onnect them tothe
lo w- reflection exterior aerial. *
NO
TEInva lidation of theo perating per‐
mit due tofailur etoc omply wi th the
instructions fori ns tallation and use The operatin
gpermit ma ybeinvalidated if
th ei nstruction sfor ins tallation and use of
two-w ayradios ar enotobser ved. #
Onlyuse appr oved frequency bands. #
Obser vethem aximum permissible out‐
put po werint hese frequency bands. #
Onlyuse appr oved aerial positions. 1
Front roof area
2 Rear roof area
3 Rear wing
4 Bootlid
On ther ear wings, it is recommended that you
ins tallth ea erial on thes ide of thev ehicle clos‐
es ttot he centre ofther oad. Use
Tech nica lSpecificatio nISO/T S21609 (Road
Ve hicles –"EMC guidelines fori ns tallation of
af te rm arke tradio frequency transmitting equip‐
ment") when retrofitting two-w ayradios. Comply
wit hthe legal requ irements ford etachable parts.
If yo ur vehicle has fitting sfor two-w ayradio
equipment ,use thep ower suppl yoraerial con‐
nector sintended foru se wit hthe basic wiring.
Obser vethem anufacturer's supplement swhen
fi tting.
Tw o-w ayradio transmission output
The maximum transmission outpu t(PEAK) at the
base of thea erial mus tnotexc eed thev alues in
th ef ollowing table: 41 8
Tech nica ldata