2006 Mercedes C-Class Owner's Manual - Page 226

Controls in detail Audio system GSM 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 cellular 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 225). 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. Switching on the telephone Switching on the telephone Press h button. If the telephone was previously switched off, PROCESSING appears in the display and you will then be prompted to enter your PIN. 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. PIN entry Enter PIN number 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. Press OK soft key after entering correct PIN. READY or ROAMING will appear in the display. 225