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GF82.70-P-2019FQ Mercedes-Benz Contact, Function




GF82.70-P-2019FQ Mercedes-Benz Contact, Function
MODEL 218
- except CODE (494) USA version
- except CODE (498) Japan version

Function requirements, general
^ Circuit 30g ON
^ A mobile telephone network available in adequate strength and quality
^ Mobile phone and audio equipment switched on
^ Compatible mobile phone inserted into mobile phone cradle (A34/15) (accessory) that is connected to Bluetooth module (A34/7) (with code (386) Comfort telephony) or Bluetooth compatible mobile phone authorized in vehicle (without code (386) Comfort telephony)
^ Correct Personal Identification Number (PIN) entered, if set on the mobile phone
^ Telephone number of the Service Center entered as a fixed, reserved telephone book entry in the telephone book or in the address book of the audio unit or in the telephone book of the mobile phone
The mobile phone used must support the hands-free profile (HFP) 1.0 or 1.5. The mobile phones that meet these requirements are listed at: http://www.mercedes-benz.com/connect
The system is described on the example of a system with code (386) Comfort telephony. Deviations for basic telephony (without code (386) Comfort telephony) are identified in the following text by the symbol.
The entries stored in the mobile phone can be imported into the phone book of the mobile phone system.
Vehicles without code (386) Comfort telephony:
If the mobile phone supports the Bluetooth Phone Book Access Profile (PBAP), the entries can be stored in the phone book using the "Import contacts" function. If this is not the case, they must be transmitted with the function "Receive calling cards"
Access to the telephone book in the mobile phone is read only.
Vehicles with code (386) Comfort telephony:
The entries in the mobile phone are stored in the phone book using the "Import contacts" function.
On vehicles with navigation (with code (525) MB Audio 50 APS radio or code (511) Audio 50 APS incl. DVD changer or code (527) COMAND APS with single DVD drive (with navigation) or code (512) COMAND APS with DVD changer) address data can also be managed in the address book.
All names with telephone numbers in the address book entries stored can be displayed. If an address book entry does not have telephone number, it does not appear in the telephone book, The entry of the Mercedes-Benz Service Center "MB Contact" appears in first place in the phone book.

Function sequence for Mercedes-Benz Contact
The Mercedes-Benz Contact function provides user-friendly access to services rendered by Mercedes-Benz Services by means of a permanently reserved phone book entry in the audio equipment's phone book. Mercedes-Benz Contact provides assistance in any matters concerning the vehicle or a breakdown. The function enables a call to be established to the Mercedes-Benz customer center. The Mercedes-Benz Contact function uses the handsfree system (via Bluetooth) and supports the service acceptance process at the Service Center by voice communication with synchronous transfer of the vehicle data. All the important vehicle data such as the vehicle identification number, kilometer reading and vehicle position are transmitted for the best possible customer care.
The Mercedes-Benz Contact function is available in the following countries:
- Belgium
- Germany
- France
- Great Britain
- Ireland
- Italy
- Luxembourg
- Netherlands
- Austria
- Switzerland
- Spain
Select the "MB Contact" entry in the phone book to establish a call to the Mercedes-Benz Service Center.
The phone book is activated by starting the "TEL" base function. The "TEL" base function is called up by pressing the "TEL" function key on the audio unit. On vehicles with code (512) COMAND APS with DVD changer or code (527) COMAND APS with single DVD drive (with navigation), the "TEL" base function can also be called up on the application bar.
When the "TEL" basic function is called, the corresponding basic mask appears.
The following information appears on the audio/COMAND display (A40/8):
- Name of currently connected mobile phone
- Field strength of mobile telephone network
- Handset symbol
- Speller with characters for entering telephone numbers
- Application bar with corresponding main menu (top) (with code (512) COMAND APS with DVD changer or code (527) COMAND APS with single DVD drive (with navigation))
- Function bar with corresponding submenus (bottom)
Selecting the "Name" submenu opens the phone book. The "MB Contact" entry can now be accessed.
The phone book can also be selected by pressing the system selection (S110s3) button through the "Tel" menu in the instrument cluster (A1). The name of the person to be called is selected by scrolling forward and back using the scroll forward/back button (S110s1). Pressing the right button on the accept/terminate phone call button (S111s3) sets up a phone call.
Telephone calls can be made in accordance with the vehicle equipment in handsfree mode (without code (386) Comfort telephony) or Private Mode (with code (386) Comfort telephony).
In handsfree mode, audio output takes place via the speaker system of the vehicle. The currently active audio source is muted (MUTE).
On vehicles without code (810) Sound system, the corresponding audio signals are output over the following speakers:
- Left front door speaker (H4/1)
- Left front door tweeter (H4/1h1)
- Right front door speaker (H4/2)
- Right front door tweeter (H4/2h1)
On vehicles with code (810) Sound system, the audio equipment sends the audio signals through the Media Oriented System Transport (MOST) to the sound system amplifier control unit (N40/3), which then amplifies them and outputs them over the following speakers:
- Center instrument panel speaker (H4/27)
- Left front door sound system bass speaker (H4/64)
- Right front door sound system bass speaker (H4/65)
- Left front door sound system tweeter (H4/68)
- Right front door sound system tweeter (H4/69)
- Left front door sound system midrange speaker (H4/72)
- Right front door sound system midrange speaker (H4/73)
In Private Mode the user makes a telephone call without other vehicle occupants being able to hear the telephone conversation.
Private mode is activated when the mobile phone is removed from the cradle.
The "MB Contact" entry can be selected using the following control components:
- Multifunction steering wheel button group (only in "Tel" menu in the instrument cluster)
- Audio/COMAND control panel (A40/9)
- Voice control system (VCS [SBS]) (with code (511) Audio 50 APS with DVD changer or code (527) COMAND APS with single DVD drive (with navigation) or code (512) COMAND APS with DVD changer)
The control signals of the multifunction steering wheel button groups are forwarded to the "audio equipment" via the following components:
- Direct line
- Steering wheel electronics (N135)
- Steering LIN (LIN E1)
- Steering column tube module control unit (N80)
- Chassis CAN (CAN E)
- Instrument cluster
- Interior CAN (CAN B)
- Audio unit
The audio equipment then forwards them to the mobile phone via the following route:
- Direct line
- Bluetooth antenna (A2/91)
- Bluetooth module (A34/7)
- Mobile phone cradle (A34/15)
- Mobile phone
On vehicles without code (386) Comfort telephony, communication takes place between the audio equipment and the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Mobile phone Bluetooth antenna
- Mobile phone
The control signals of the Audio/COMAND control panel are forwarded to the "audio equipment" via the telematics CAN (CAN A).
The audio equipment then forwards them to the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Bluetooth module
- Cradle
- Mobile phone
On vehicles without code (386) Comfort telephony, communication takes place between the audio equipment and the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Mobile phone Bluetooth antenna
- Mobile phone
The voice input via VCS [SBS] function is activated by pressing the voice control system ON button (S111s4). A signal tone is emitted after the voice control system has been activated.
The phone book can now be activated and the "MB Contact" entry selected.
The control signal of the voice control system button is forwarded to the audio equipment via the following route:
- Direct line
- Steering wheel electronics
- Steering LIN
- Steering column module control unit
- Chassis CAN
- Instrument cluster
- Interior CAN
- Audio unit
The voice commands are picked up by the handsfree system microphone (A67b1) and forwarded to the audio equipment via a direct line. The voice commands are forwarded to the mobile phone via:
- Direct line
- Bluetooth antenna
- Bluetooth module
- Cradle
- Mobile phone
On vehicles without code (386) Comfort telephony, communication takes place between the audio equipment and the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Mobile phone Bluetooth antenna
- Mobile phone
After the call has been established, the mobile phone receives or transmits the mobile phone signals via the following route:
- Multifunction antenna (A28/11)
- Direct line
- Mobile phone and stationary heater radio remote control antenna splitter (A2/53) (with code (228) Stationary heater and code (386) Comfort telephony)
- Direct line
- Cellular telephone system antenna amplifier/compensator (A28/3) (with code (228) Stationary heater and code (386) Comfort telephony)
- Direct line
- Cradle
- Mobile phone
The phone call with the Mercedes-Benz customer center employee can be terminated as follows:
- Terminate via control buttons on mobile phone
- Terminate via control buttons on audio equipment
- Terminate via audio/COMAND control panel
- Terminate via multifunction steering wheel button groups
- Using a voice command on the voice control system
Pressing the "Hang up" control button on the mobile phone terminates the telephone call. The control signal of the "Hang up" control button is processed internally by the mobile phone.
Pressing the "Hang up" control button on the audio equipment terminates the telephone call. The control signal of the "Hang up" control button is processed internally by the audio equipment.
The audio equipment then sends the control signal for the "Hang up" control button to the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Bluetooth module
- Cradle
- Mobile phone
On vehicles without code (386) Comfort telephony, communication takes place between the audio equipment and the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Mobile phone Bluetooth antenna
- Mobile phone
Selecting the "Terminate call" pictogram and then confirming it on the Audio/COMAND control panel ends the telephone call. The relevant control signals are transmitted the audio equipment by the audio/COMAND control panel via the telematics CAN. The audio equipment then forwards them to the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Bluetooth module
- Cradle
- Mobile phone
On vehicles without code (386) Comfort telephony, communication takes place between the audio equipment and the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Mobile phone Bluetooth antenna
- Mobile phone
Pressing the button on the accept/terminate phone call button on the multifunction steering wheel terminates a phone call. The control signals of the multifunction steering wheel button group are forwarded to the audio equipment via the following components:
- Direct line
- Steering wheel electronics
- Steering LIN
- Steering column module control unit
- Chassis CAN
- Instrument cluster
- Interior CAN
- Audio unit
The control signals are sent from the audio unit to the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Bluetooth module
- Cradle
- Mobile phone
On vehicles without code (386) Comfort telephony, communication takes place between the audio equipment and the mobile phone via the following route:
- Direct line
- Bluetooth antenna
- Mobile phone Bluetooth antenna
- Mobile phone




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