Remove/install SAM control unit with fuse and relay box in trunk - AR54.21-P-1258TX

MODEL 219.3 up to 2.3.08 except CODE (809) Model year 2009

Fig 1: Identifying SAM Control Unit With Fuse And Relay Box Remove/Install Components

G10768158

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

12.4.05

Disconnect ground line of battery, removed

Step 2

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Connect STAR DIAGNOSIS and buffer the basic data of the rear SAM control unit with fuse and relay module (N10/2) in STAR DIAGNOSIS	Only when replacing the rear SAM control unit with fuse and relay module (N10/2). Transfer temporarily stored basic data to the new rear SAM control unit with fuse and relay module (N10/2).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04TX
2	Remove left side paneling in trunk		AR68.30-P-4800TX
3	Remove cable tie (1) on bracket (5)	Replace cable tie (1).
4	Undo bolt (3) and place control unit bracket (2) to one side	For vehicles with code (220) Parktronic system (PTS) or with code (527) COMAND APS (with navigation) or with code (529) HIGH Class Japan or with code (530) COMAND APS USA (with navigation) or with code (404) Left multicontour seat or with code (405) Right multicontour seat or with code (433) Left dynamic seat, incl. multicontour seat or with code (434) Right dynamic seat, incl. multicontour seat or with code (860) TV tuner or with code (889) Keyless-Go) Do not detach electrical connectors to each installed control unit. Make sure that no electrical lines are pinched, otherwise there is a risk of damaging the electrical system.
5	Undo bolt (4) and remove rear SAM control unit with fuse and relay module (N10/2) with bracket (5)	Make sure that no electrical lines are pinched, otherwise there is a risk of damaging the electrical system.
6	Disconnect electrical connectors from rear SAM control unit with fuse and relay module (N10/2)	The electrical connector leading to circuit 30 must be the first to be disconnected and the last to be contacted. Note color codings of electrical connectors. The number of electrical connectors depends on the vehicle equipment.
7	Remove rear SAM control unit with fuse and relay module (N10/2) with bracket (5)
8	Convert bracket (5) on rear SAM control unit with fuse and relay module (N10/2) When replacing the rear SAM control unit with fuse and relay module (N10/2).
9	Check fuse and relay assignment at the rear SAM control unit with fuse and relay module (N10/2) When replacing the rear SAM control unit with fuse and relay module (N10/2).
	Fuse assignment of fuse and relay box in trunk	Up to and including model J. 05	GF54.15-P-1256-06TX
		with code (806) Model year 2006	GF54.15-P-1256-06TXA
		As of model J. 07	GF54.15-P-1256-06TXB
	Relay assignment of fuse and relay box in trunk		GF54.15-P-1257-04TX
10	Install in the reverse order