2005 Mercedes C-Class Owner's Manual - Page 153

Controls in detail Control system If the telephone is off, the message PHONE OFF appears in the multifunction display. If the telephone is on: The telephone will then search for a network. During this time the multifunction display is empty. As soon as the telephone has found a network, the message READY appears in the multifunction display. Answering a call When your telephone is ready to receive calls, you can answer a call at any time. In the multifunction display you will then see the message: Never operate radio transmitters equipped with a built-in or attached antenna (i.e. without being connected to an external antenna) from inside the vehicle while the engine is running. Doing so could lead to a malfunction of the vehicle's electronic system, possibly resulting in an accident and personal injury. You can use the functions in the TEL menu to operate your telephone, provided it is connected to a hands-free system and switched on. Switch on the telephone and COMAND*. Press button ÿ or è on the steering wheel repeatedly until the message TEL appears in the multifunction display. Which messages will appear in the multifunction display depends on whether your telephone is switched on or off: Press button s. You have answered the call. The duration of the call appears in the multifunction display. This standby message indicates that your telephone is ready for use and you can operate it using the control system. 151