Head Unit Control Unit, Basic Function - GF82.85-P-9891A

Model All (CAR) with code 521 (Connect 20 Mid (NTG7))

Model All (CAR) with code 525 (Connect 20 High (NTG7))

Model All (CAR) with code 534 (Connect 20 Premium (NTG7))

Model All (CAR) with code 535 (Connect 20 Premium (NTG7))

Model All (CAR) with code 547 (Connect 20 Entry (NTG6))

Model All (CAR) with code 548 (Connect 20 MID (NTG6))

Model All (CAR) with code 549 (Connect 20 HIGH (NTG6))

Overview

This document contains information on the functions, location and structure of the head unit control unit.

General

The head unit control unit is the central controller unit for the entertainment and communication systems integrated in the vehicle. Depending on the equipment installed, the head unit control unit controls the following functions:

Multimedia system control
Radio mode
Media mode
TV mode
Smartphone integration
Telephone
Navigation
WLAN hotspot
Voice control

The head unit control unit is connected to the network architecture of the vehicle.

Location

The head unit is located in the instrument panel (e.g. on the driver's side or in the center) or under the right front seat.

Function requirement

Circuit 30t ON

Structure

The head unit control unit contains the following components depending on the equipment:

Radio tuner
TV tuner
Amplifier
GPS receiver
Bluetooth® receiver
WLAN receiver

Component descriptions
Head unit, component description	Model 223 with code 521 (Connect 20 Mid (NTG7)) Model 223 with code 534 (Connect 20 Premium (NTG7))	GF82.85-P-3140A
	Model 243 with code 547 (Connect 20 Entry (NTG6)) Model 243 with code 548 (Connect 20 MID (NTG6)) Model 243 with code 549 (Connect 20 HIGH (NTG6))	GF82.85-P-3140B
	Model 206 with code 521 (Connect 20 Mid (NTG7)) Model 206 with code 525 (Connect 20 High (NTG7))	GF82.85-P-3140C
	Model 297 with code 534 (Connect 20 Premium (NTG7)) Model 297 with code 535 (Connect 20 Premium (NTG7))	GF82.85-P-3140D