2007 Mercedes C-Class Owner's Manual - Page 215

Controls in detail Audio system TDMA or CDMA network phones Using your Mercedes-Benz specified mobile telephone*, a number of functions and operating steps can be performed and displayed in the audio system display. Further operating instructions not covered here can be found in the operating instructions for the multifunction steering wheel and the mobile telephone*. If your audio system is set up for telephone operation, the t symbol will appear in the display. When you insert your Mercedes-Benz specified mobile telephone* into the telephone cradle, you will be prompted to enter your PIN for 30 seconds ( page 209). This display disappears when you press any button. When your mobile telephone is inserted into the telephone cradle, you will see the reception strength in the upper right-hand corner of the display. Enter code using buttons 1 to R. If necessary, correct number entered with the CLR soft key. Press soft key briefly to delete the last digit entered; press soft key and hold to delete the complete number. Switching on the telephone Switching on the telephone Press h button. If you have programmed an unlock code for the telephone, you must now enter the code. Press OK soft key after entering correct code. The telephone is unlocked. If you have entered an incorrect code, you must enter the correct code. Switching off the telephone Press h button for approx. 3 seconds. PROCESSING appears in the display until the telephone is off. Afterward, PHONE OFF appears in the display. Adjusting the volume Turn rotary control of N button during a telephone call. The volume will increase or decrease depending on the direction turned. i The volume can be adjusted separately for telephone mode and audio mode. 214