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

MODEL 211.0

Fig 1: Identifying SAM Control Unit With Fuse And Relay Box Components In Trunk

G04984429

MODIFICATION NOTES

12.4.05

Disconnect ground line of battery, removed

Step 2

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Connect STAR DIAGNOSIS and store basic data from rear SAM control unit with fuse and relay module (N10/2) in STAR DIAGNOSIS temporarily	Only when replacing the rear SAM control unit with fuse and relay module (N10/2).
		Installation: 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-2000-04A
2	Remove left luggage compartment lining on the side in the luggage compartment	For vehicles without code (287) Through-loading feature or without code (924) Bivalent natural gas drive	AR68.30-P-4800T
		For vehicles with code (287) Through-loading feature	AR68.30-P-4800TA
		For vehicles with code (924) Bivalent natural gas drive	AR68.30-P-4800TB
3	Unscrew bolt (1), remove the control unit bracket (2) and place to one side	On vehicles with code (220) Parktronic system (PTS) or with code (527) COMAND APS (with navigation system) or with code (530) COMAND APS USA (with navigation system) or with code (860) TV tuner or with code (889) Keyless Go or with code (529) HIGH Class Japan and code (404) Left multicontour seat or with code (529) HIGH Class Japan and code (433) Left dynamic seat, incl. multicontour seat or with code (529) HIGH Class Japan and code (475) Tire pressure monitor or with code (529) HIGH Class Japan and code (550) Trailer hitch
4	Unscrew bolt (3).
5	Detach wiring harness (4) from bracket (5)	Installation: Install new cable ties.
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. The number of electrical connectors depends on the vehicle equipment. Installation: Ensure that no electrical lines are trapped, observe color codings of electrical connectors. Otherwise there is a risk of damage to the electrical system.
7	Remove rear SAM control unit with fuse and relay module (N10/2)
8	Check fuse and relay assignment at the rear SAM control unit with fuse and relay module (N10/2)	Only 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 code 805 Model year 2005	GF54.15-P-1256-06TA
		with code 806 Model year 2006	GF54.15-P-1256-06TB
		As of code 807 Model year 2007	GF54.15-P-1256-06TM
	Relay assignment of fuse and relay box in trunk	Up to and including code 806 Model year 2006	GF54.15-P-1257-04T
		As of code 807 Model year 2007	GF54.15-P-1257-04TM
9	Install in the reverse order