2008 Mercedes C-Class Owner's Manual - Page 190

Controls in detail Audio system Adjusting volume Adjusting volume for telephone calls In hands-free mode, you can adjust the volume of a telephone call while the call is currently active. During a telephone call: Turn rotary control 2. The volume will increase or decrease depending on the direction turned. Rotary control/push button o Selecting sound settings You can select different sound settings for each individual audio source. The particular Sound menu can be opened from the basic menu for the desired operating mode, or by pressing the TONE button on the audio control unit. Example: b Sound Bass i The volume of the audio system or a telephone call can also be adjusted by pressing the æ or ç button on the multifunction steering wheel ( page 158). Adjusting bass or treble Press TONE button repeatedly until Bass or Treble appears in the audio display. or Select Sound Bass or Treble. The setting last selected is indicated by an red pointer. 1 Push button o 2 Rotary control Adjusting: Turn rotary control 2. The volume will increase or decrease depending on the direction turned. Sound To switch on/off: Press button F on the audio control unit ( page 177). The sound of the current audio source is switched on or off. i When the sound is switched off, the symbol F appears in the status line. If you change the audio source, or alter the volume, the sound is automatically switched on again. 189