Telephone Control Unit, Component Description - GF82.70-P-4153RRM

Model 190

With Code 380 (Car telephony package)

Shown on model 190.3 as of 01.12.2018

Fig 1: Telephone Control Unit Components Location - Model 190 With Code 380 (Shown On Model 190.3)

Courtesy of MERCEDES-BENZ USA

Location

The telephone control unit is installed in the glove compartment.

Tasks

The telephone control unit has the following tasks:

Receives the wake-up signal via the telematics CAN (CAN A) from the head unit (A26/17)
Communication with head unit via telematics CAN (e.g. status of SIM card (Subscriber Identification Module), operation signals)
Wi-Fi communication (e.g. internet configuration, internet data, settings) with head unit via Wi-Fi antenna (A2/83)
Bluetooth® communication with head unit via Bluetooth® antenna (A2/91), e.g. with the following Bluetooth® profiles:
- HFP (Hands-Free Profile)
- MAP (Message Access Profile)
- PBAP (Phonebook Access Profile)
- SPP (Serial Port Profile)
Bluetooth® communication with a mobile phone (e.g. SAP (SIM Access Profile))
Communication with mobile phone network via telephone antenna splitter (A2/109)
If the telephone control unit is selected as the Wi-Fi hotspot: provision of Internet connection for external guests

Structure

The telephone control unit has the following components:

Telephone (TEL) wiring diagram

PE82.70-P-2000-97HBA