Remove/install main audio components - AR82.60-P-7605TX

MODEL 219.3 up to 2.3.08 except CODE (809) Model year 2009 audio gateway control unit 

Fig 1: Identifying Main Audio Components Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Remove left side paneling in trunk	With code (404) Left multicontour seat or code (405) Right multicontour seat	AR68.30-P-4800TX
2	Take off multicontour seat pneumatic pump (M40) with bracket from strut (2) and place to one side with lines attached	With code (404) Left multicontour seat or code (405) Right multicontour seat
3	Remove strut (2)	With code (404) Left multicontour seat or code (405) Right multicontour seat
4	Remove overpressure reservoir (1) for dynamic seat control and pneumatic pump for dynamic seat control (M40/1)	With code (433) Left dynamic seat, incl. multicontour seat or code (434) Right dynamic seat, incl. multicontour seat	AR91.25-P-1570TX
5	Unclip TLC [HDS] control unit (N121) from bracket and place to one side with lines attached	With code (881) Remote trunk closing (RTC)
6	Release SAM control unit with fuse and relay box in luggage compartment and place to one side with lines attached		AR54.21-P-1258TX
7	Remove bolts (3)
8	Unscrew nut (4)
9	Pull audio gateway control unit (N93/1) out until the electrical connectors on the audio gateway control unit (N93/1) are accessible
10	Disconnect electrical connectors from audio gateway control unit (N93/1)
11	Disconnect electrical connector with fiber optic cable from audio gateway control unit (N93/1)
	Notes on avoiding damage to fiber optic cables during repair work	With Media Oriented System Transport (MOST)	AH82.60-P-0001-05TX
12	Unscrew nuts (5) and remove audio gateway control unit (N93/1) from bracket (6)	When replacing the audio gateway control unit (N93/1).
13	Install in the reverse order