Mercedes-Benz 2009 C-Class Operator's Manual page 186

Controls in detail
Audio system
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your vehicle is
covering a distance of 44 feet
(approximately 14 m) every second.
i If the audio CD is printed on one side, this
side must face upwards when loaded. If
neither side is printed, the side to be played
must face downwards.
If a CD has been inserted incorrectly or
cannot be read, Disc Unreadable
appears in the display.
X
Loading an individual magazine
compartment: Press load/eject button
2.
A menu indicates which magazine
compartments are currently loaded. The
first available magazine compartment is
indicated by a red number.
X
Press desired button to 6, in the
1
keypad to select a magazine compartment.
or
X
Slide or rotate to select a
omp ymz
magazine compartment.
X
Press n to confirm.
The CD changer will switch to the selected
magazine compartment. The message
Please Wait... appears in the display.
184
i Only insert a CD after the audio system
has prompted you to do so with the
message Please Insert Disc <X>. Only
insert one CD per magazine compartment.
X
Insert CD into CD slot 1.
The CD changer automatically pulls the CD
into the CD slot and places it in the
1
selected magazine compartment. The
message Loading Disc <X> appears in
the display.
i
The loading process may take a while,
depending on the type of disc. If you do not
insert a disc, the display will switch back to
the CD changer menu after approximately
20 seconds.
X
Press button é, or the load/eject
button on the audio control unit to finish
2
the loading process.
The CD changer plays the disc if it has been
inserted correctly and is permissible.
X
Interrupting loading procedure: Press
the load/eject button again.
or
X
Press button in the center console
í
Y
( page 159).
X
Filling an empty magazine
compartment: Press load/eject button
2.
A menu indicates which magazine
compartments are currently loaded. The
first available magazine compartment is
indicated by a red number.
X
Slide to select the menu bar.
mr
X
Slide or rotate the audio
omp ymz
controller to select Fill Empty Slots.
X
Press the audio controller n.
The message Please Insert Disc <X>
appears in the display.
i Only insert a CD after the audio system
has prompted you to do so with the
message Please Insert Disc <X>. Only
insert one CD per magazine compartment.