Remove/install loudspeaker amplifier control unit - AR82.62-P-7720TX

MODEL 211.0/2 as of 2.6.08 with CODE (810) Sound system 

MODEL 211.0/2 with CODE (809) Model year 2009 

MODEL 219.3 as of 3.3.08 with CODE (810) Sound system 

MODEL 219.3 with CODE (809) Model year 2009 with CODE (810) Sound system 

Fig 1: Identifying Loudspeaker Amplifier Control Unit Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Illustrated on model 219.3 

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Save basic data of amplifier for sound system (N40/3) to STAR DIAGNOSIS temporarily	When replacing the amplifier for sound system (N40/3). Installation:  Transfer basic data from Star Diagnosis to new amplifier for sound system (N40/3).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
2.1	Remove left side paneling in trunk	Model 211.0 without code (287) Through-loading feature and without code (924) Bivalent natural gas drive	AR68.30-P-4800T
		Model 211.0 with code (287) Through-loading feature	AR68.30-P-4800TA
		Model 211.0 with code (924) Bivalent natural gas drive	AR68.30-P-4800TB
		Model 219.3	AR68.30-P-4800TX
2.2	Remove left cargo area interior trim at side and fold back soundproofing located underneath	Model 211.2	AR68.30-P-1180T
3	Fold cover (1) upward	Only on model 219.3 Installation:  Ensure correct seating of the cover (1).
4	Release locking clamp (2) and disconnect electrical connector (3)
5	Disconnect and cover electrical connector with fiber optic cable (4)
	Notes on avoiding damage to fiber optic cables during repair work	Model 211.0/2 with Media Oriented System Transport (MOST)	AH82.60-P-0001-05AK
		Model 219.3 with Media Oriented System Transport (MOST)	AH82.60-P-0001-05TX
6	Unscrew nuts (5) and remove amplifier for sound system (N40/3)
7	Install in the reverse order