Remove/install left front SAM control unit with fuse and relay box - AR54.21-P-1260TM

MODEL 211.0/2/6, 219.3 as of 1.6.06

Fig 1: Identifying Left Front SAM Control Unit Remove/Install Components

G10768160

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1.1	Temporarily store basic data from driver-side SAM control unit with fuse and relay module (N10/1) in STAR DIAGNOSIS	When replacing driver-side SAM control unit with fuse and relay module (N10/1). transfer temporarily stored basic data to the new driver-side SAM control unit with fuse and relay module (N10/1).
	Connect STAR DIAGNOSIS and read out fault memory	Model 211.0/2/6	AD00.00-P-2000-04A
		Model 219.3	AD00.00-P-2000-04TX
		STAR DIAGNOSIS, diagnosis system	*WH58.30-Z-1048-13A
2	Disconnect battery ground cable	Model 211.0/6	AR54.10-P-0003T
		Model 211.2	AR54.10-P-0003TA
		Model 219.3	AR54.10-P-0003TX
3	Remove cover (1)
4	Remove bracket (2) from seal (3)	Note the installation position of the bracket (2).
5	Unlock cover (4) and remove from fuse and relay box (5)	Make sure that the cover (4) is seated and locked correctly as the ingress of moisture will damage electrical and electronic components.
6	Separate electrical connectors (6)
7	Unclip cover (7) and detach electrical line underneath from driver-side SAM control unit with fuse and relay module (N10/1)
8	Remove circuit 15 relay (N10/1kN)
9	Remove bolts (8, 9) and concealed bolt (arrow)	Secure bolt (9) against falling down.
10	Tilt the driver-side SAM control unit with fuse and relay module (N10/1) towards the vehicle center and remove obliquely upwards and to the front from the fuse and relay box (5) until the electrical connectors on the bottom side of the driver-side SAM control unit with fuse and relay module (N10/1) are accessible	Pay attention to line routing.
11	Unplug all electrical connectors from driver-side SAM control unit with fuse and relay module (N10/1).	Electrical connectors are color-coded and form-coded.
12	Install in the reverse order

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