2000 Mercedes E-Class Owner's Manual - Page 141

Instruments and controls Audio system Operation Driving Instrument cluster display Practical hints Car care Technical data Index 138 Button and soft key operation In these instructions, the alpha-numeric keypad (right side of radio face) and the function buttons (left side of the radio face) are referred to as "buttons" and the four keys under the display are referred to as "soft keys". Note: Do not press directly on the radio display face. Entering the code number Switch on the radio."CODE" will appear on the display. Using the buttons on the alpha-numeric keypad, enter the five digit code. Confirm by pressing the "OK" key. If an incorrect code has been entered and confirmed, "CODE" will reappear on the display. The correct code must be entered once again. If an incorrect code is entered three times, "WAIT" will appear on the display and the radio will be locked out for about 10 minutes. Note: The lock out time will only count down if the radio is left switched on.