2005 Mercedes C-Class Owner's Manual - Page 195

Controls in detail Audio system i You can only enter frequencies within the respective waveband. If a button is not pressed within four seconds, the radio will return to the last station tuned. Manual tuning Select desired waveband. Press S or T button for approx. three seconds. Press button repeatedly until desired frequency has been reached. Step-by-step station tuning takes place in ascending or descending order. Each time the button is pressed, the radio tunes further by 0.2 MHz. During manual tuning, the radio is muted. Automatic seek tuning Select desired waveband. Press S or T button briefly. The radio will tune to the next highest or next lowest receivable frequency. Scan search Starting scan search Select desired waveband. i If no station is received after two consecutive scans of the complete frequency range, then the scan stops at the frequency from which it began. Press SC soft key. SC will appear in the display. The radio briefly tunes in all receivable stations on the waveband selected. 193