Mercedes-Benz C-Class Manuals

Mercedes Benz C-Class (W204) Training Manual: Telephone

Telephony in model series 204 is categorized into basic and comfort telephony (SA 386).

Features of basic telephony are:

  • Basic telephony is provided if the vehicle is equipped with one of the Audio 20, Audio 50 or COMAND APS versions.
  • Permits a portable CTEL to be connected via Bluetooth.
  • Permits hands-free operation (in the 'hands-free profile').
  • Permits phone numbers to be dialed via the head unit.

Features of comfort telephony are:

  • Permits a portable CTEL to be connected via a corresponding cradle.
  • Permits hands-free operation.
  • Permits a portable CTEL to be charged via the cradle.
  • Permits a portable CTEL to be connected to the exterior antenna.
  • Permits SMS messages to be received and sent.
  • Permits the telephone book to be downloaded.
  • Also provides the functions of basic telephony.

System networking for telephony

Basic telephony

Mercedes Benz C-Class. Telephone

Comfort telephony

Mercedes Benz C-Class. Telephone

Legend

A2 Radio
A2/18 FM, AM and CL [ZV] antenna amplifier
A2/19 Rear window antenna FM antenna amplifier
A2/91 Bluetooth antenna
A28/11 Multifunction antenna
A34/15 Mobile phone holder
A40/8 Audio/COMAND display
A40/9 Audio/COMAND control panel
A94/1 TV antenna 1 and DAB band III
B25/7 Voice control system microphone

Function Overview of Basic/Comfort Telephony

The following steps are required to connect a portable CTEL with basic telephony via Bluetooth:

  • Bluetooth on portable CTEL must be activated and visible.
  • Via System menu System settings Connect Bluetooth
  • Or via Telephone menu Telephone Telephone list Update

Mercedes Benz C-Class. Function Overview of Basic/Comfort Telephony

Only one portable CTEL can be operated at a time with basic telephony.

The following steps are required to connect a portable CTEL with comfort telephony in the vehicle:

  • The telephone (comfort telephony) must be selected via the telephone list.
  • The telephone bracket must be plugged in.
  • The appropriate portable CTEL must be inserted into the telephone bracket.

Legend

  • M  Portable CTEL
  • A34/15  Cradle

Mercedes Benz C-Class. Function Overview of Basic/Comfort Telephony

A Bluetooth module is integrated in the connector for the cradle, which enables communication between the portable CTEL and head unit. The following selections are possible after a portable CTEL has been connected via comfort telephony:

  • SMS
  • Manual downloading of the address book
  • Voice control of telephone
  • Dialing a telephone number using the numeric keys on the head unit
  • Dialing a telephone number from the transferred telephone book

Mercedes Benz C-Class. Function Overview of Basic/Comfort Telephony

    Overview of the New COMAND Functions

    Voice Control System (VCS)

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