Mercedes-Benz 2006 SLK 280 Operator's Manual page 219

Controls in detail
Audio system
Obtaining additional text information
Additional text information (artist, title)
related to the current channel can be
displayed.
Press INF soft key.
The title being played is displayed.
Press INF soft key again.
The name of the artist performing the
title being played is displayed.
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If a button is not pressed within
4 seconds, the radio will return to the
standard display.
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Storing stations
Tune in desired station.
Press and hold desired station
button 1 to R until a brief signal
tone is heard.
The frequency is stored on the selected
station button.
The radio saves the current station at
the memory preset selected. The
memory preset selected appears in the
status line, e.g. S3.
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There are ten presets available.
An existing entry is overwritten in the
memory list when a new entry is given.
Calling up the ESN information menu
Press INF soft key.
Press ESN soft key.
The twelve-digit electronic serial
number (ESN) of the SAT tuner*
installed in your vehicle is displayed.
Press RET soft key to exit the menu.