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

MODEL 230.4 up to 14.1.04 with CODE (810) Sound system

MODEL 230.4 as of 29.1.08

- with CODE (810) Sound system

- except CODE (P99) Special model "AMG Black Series"

MODEL 230.4

- with CODE (809) Model year 2009

- with CODE (810) Sound system

- except CODE (P99) Special model "AMG Black Series"

Shown on vehicles up to 14.1.04:

Fig 1: Identifying Loudspeaker Amplifier Control Unit Components (Up To 14.1.04 With Code 810)

Courtesy of MERCEDES-BENZ USA

Shown on vehicles as of 29.1.08 or with code (809) Model year 2009:

Fig 2: Identifying Loudspeaker Amplifier Control Unit Components (29.1.08 Or With Code 809)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1.1	Transfer basic data of sound amplifier A2/13) or amplifier for sound system (N40/3) to Star Diagnosis	When replacing the sound amplifier (A2/13) or the amplifier for sound system (N40/3). Installation: Transfer basic data from Star Diagnosis to sound amplifier (A2/13) or amplifier for sound system (N40/3).
	Connect STAR DIAGNOSIS and read out fault memory	AD00.00-P-2000-04A
2	Remove left-hand luggage box in rear	Place luggage box with lines connected to one side.	AR68.30-P-7440R
3	Switch off the ignition and remove the transmitter key from the EIS control unit	On vehicles with code (889) Keyless-Go, press KEYLESS-GO start/stop button repeatedly until ignition is switched off. Remove Keyless-Go chip card or transmitter key from vehicle and store beyond the reach of the transmitter (at least 2 m).
4	Unscrew nuts (1).
5	Pull out sound amplifier (A2/13) or amplifier for sound system (N40/3) until electrical connectors (3) and fiber optic cable connector (2) are accessible
6	Disconnect electrical connector (3) from sound amplifier (A2/13) or amplifier for sound system (N40/3)	On vehicles up to 14.1.04, unlock electrical connector (3) at sound amplifier (A2/13) before disconnecting (arrow).
7	Unplug fiber optic cable connector (2)	To avoid damaging the fiber optic cable, do not kink fiber optic cables, route over sharp edges or bend in radii smaller than 25 mm.
8	Cover fiber optic cable connector (2) and AR82.95-P-0005-01A equipment connector at sound amplifier (A2/13) or amplifier for sound system (N40/3)		AR82.95-P-0005-01A
9	Install in the reverse order

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS system, Compact Passenger Car	6511 1801 00