Mercedes-Benz 2008 C-Class Operator's Manual page 181

Controls in detail
Audio system
Audio display
The audio display has a protective cover.
!
Do not place any objects on the cover of the
audio display. This may obstruct the movement
when the cover is being opened/closed. The
cover could be damaged. Do not place any ob-
jects in front of the audio display and/or secure
any objects to the audio display itself. The audio
display could be damaged.
Avoid touching the audio display at all times. The
display has a very sensitive high-gloss surface,
there is a risk of it being scratched. Do not press
directly in the display face. Otherwise, the audio
display will be damaged.
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For information about cleaning and care of
the audio display, see "Audio display"
( page 371).
180
Audio display cover
1 Opening button
Opening: Press opening button 1.
The audio display cover opens, the au-
dio display is visible, and the audio sys-
tem switched on.
Closing: Press the audio display cover
down until it engages.
If the audio system is still switched on,
you can continue to listen to the radio
or a CD and operate the device via the
buttons on the audio control panel.
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You cannot operate the audio system via the
audio controller when the protective cover is
closed.