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

Model All with Connect 20 

Overview 

This document contains information on:

• General 
• Function requirements 
• Function 

General 

The head unit control unit is the central controller unit for the entertainment and communication systems integrated in the vehicle.

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

The head unit control unit is located in the instrument panel or under the front right seat.

Function requirements 

• Circuit 30t ON

Function 

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 contains the following components depending on the equipment:

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

	Further basic functions
	Multimedia system, basic function		GF82.85-P-9900A
	Component descriptions
	Head unit, component description	Model 223 with Connect 20	GF82.85-P-3140A
		Model 243 with Connect 20	GF82.85-P-3140B
		Model 206 with Connect 20	GF82.85-P-3140C
		Model 297 with Connect 20	GF82.85-P-3140D
		Model 295 with Connect 20	GF82.85-P-3140E
		Model 232 with Connect 20	GF82.85-P-3140F
		Model 296 with Connect 20	GF82.85-P-3140G
		Model 254 with Connect 20	GF82.85-P-3140H
		Model 214 with Connect 20	GF82.85-P-3140K
		Model 118 as of model year 2023 with Connect 20 Model 177, 247 as of model year 2022 with Connect 20	GF82.85-P-3140L
		Model 167 as of model year 2023 with Connect 20	GF82.85-P-3140M
		Model 294 with Connect 20	GF82.85-P-3140N
		Model 192 with Connect 20	GF82.85-P-3140R