2002 Mercedes C-Class Owner's Manual - Page 181

Instruments and controls Audio system Fader Operation Driving Instrument cluster display Practical hints Car care Technical data Index 178 Centering all audio functions Push and hold down the "AUD" key. All audio functions (bass, treble, balance and fader) are set to center or flat positions, and the volume is adjusted to a preset level. "RESET" appears on the display. Press the "AUD" key repeatedly until "FADER" appears on the display. Press the "R" key to move the sound to the rear speakers or the "F" key to move the sound to the front speakers. Pressing the "F" and "R" keys simultaneously resets the Fader to its center level. Balance Press the "AUD" key repeatedly until "BALANCE" appears on the display. Press the "L" key to move the sound to the left speakers or the "R" key to move the sound to the right speakers. Pressing the "L" and "R" keys simultaneously resets the Balance to its center level.