Page 63 of 186

63 Audio
CD changer* operation
Press button 1 to close.The CD changer retracts; the control
panel faceplate 2 pivots down.
In order to insert CDs, you will need to first
access the CD changer
( page
61)
.
1CD slot2Magazine compartment buttons
Retracting the CD changer Loading CDsWarning
G
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and oper
-
ate the audio system only when road, weath
-
er and traffic conditions permit.Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approximate
-
ly 14 m) every second.!Do not attach labels of any type to the
CD. They may become detached and
damage the drive.
!Only use CDs, which bear the label
shown and that conform to the com
-
pact disc digital audio standard
(IEC 60908).Do not play single-CDs (80 mm) with an
adapter. Only use round, 12 cm diame
-
ter CDs.Your CD changer has been designed to
play CDs which correspond to the IEC
60908 standard. Therefore only CDs
not exceeding a thickness of 1.3 mm
can be used.
If you insert thicker data carriers, e.g.
ones that have data on both sides (one
side with DVD data, the other side with
audio data), they cannot be ejected
and will damage the CD changer.
iThe CD changer may not be able to play
audio CDs with copy protection.
Page 82 of 186

82 Telephone*Important notes1 Observe all legal requirementsSafety InstructionsWarning
G
Some jurisdictions prohibit the driver from
using a cellular telephone while driving.
Whether or not prohibited by law, for safety
reasons, the driver should not use the cellu
-
lar telephone while the vehicle is in motion.
Stop the vehicle in a safe location before
placing or answering a call.If you nonetheless choose to use the cellular
phone while driving, please use the hands-
free device and be sure to pay attention to
the traffic situation at all times. Use the cel
-
lular phone
1 only when road, weather and
traffic conditions permit.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet (approximate
-
ly 14 m) every second.
Warning
G
Never operate radio transmitters provided
with a built-in or attached antenna (i.e. with
-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to malfunction
of the vehicle's electronic system, possibly
resulting in an accident and/or personal
injury.
Tips on telephone operation iOnce the cellular phone is inserted into
the telephone cradle, it can be operat
-
ed:
using the cellular phone itself,
using the COMAND control unit,
using the multifunction steering
wheel, or
using the voice control system*.
Descriptions in this Operator’s Manual
presume that the cellular phone is in
-
serted into the telephone cradle.!Radio transmitters, such as a portable
telephone or a citizens band unit,
should only be used inside the vehicle if
they are connected to a separate exte
-
rior antenna approved by Mercedes-
Benz.
Page 85 of 186

85 Telephone*
Telephone operation
Telephone operation
Switching ON The telephone is switched ON automatical
-
ly when COMAND is activated. The cellular
phone must be readily inserted into the
cradle.If COMAND is switched ON, the switched
OFF telephone can also be switched ON
manually:
Press and hold
for a few seconds
until the telephone is switched ON.
The Telephone main menu appears ( page
89)
.
One of the following messages could also
appear:
Please
insert
phone
Insert the cellular phone into the
cradle.
Phone
not
installed
Your vehicle is not configured for cellu
-
lar telephone operation.
Please
insert
SIM
card
This message appears only when using
a GSM cellular phone.
Insert a SIM card (
Telephone Op
-
eration Guide).
Switching OFF
In the Telephone main menu ( page
89)
, press and hold
for
longer than 2 seconds.
or
Switch COMAND OFF
( page
29)
.
The telephone switches OFF after a
one-minute delay. If a call is in progress
during this time, the telephone switch
-
es OFF approx. one
minute after the
call is ended.
The following conditions must be met for a
“911” emergency call:
cellular phone readily inserted
telephone switched ON
available cellular phone network
Switching the phone ON/OFF
iIf a call is in progress (handsfree) you
cannot switch the COMAND OFF,
.
is
disabled.
911 emergency callsWarning
G
The “911” emergency call system is a
public service. Using it without due
cause is a criminal offense.
Page 89 of 186