Remove/install WSS sensor - AR91.60-P-0810GZ

MODEL 164 with CODE (494) USA version 

Only front seat on passenger side, left front WSS sensor and right front WSS sensor 

Fig 1: Identifying Front Seat, Pin, Nut, Bolts And Left/Right Front WSS Sensor - Shown On Right Front WSS Sensor (B48/12)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on right front WSS sensor (weight sensing system) (B48/12) 

Fig 2: Identifying Front Seat, Nut, Bolts And Left/Right Front WSS Sensor - Shown On Right Front WSS Sensor (B48/12)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on right front WSS sensor (weight sensing system) (B48/12) 

	Remove/install
	Risk of injury  caused by performing testing or repair work on airbag or emergency tensioning retractor units.	Store airbag units with deployment side facing up; do not expose to temperatures greater than 100°C. When working on these units, disconnect the power supply.	AS91.00-Z-0001-01A
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Remove front seat (1) on passenger side		AR91.10-P-1000GZ
2	Loosen connector block bracket (6)	Unscrew two bolts (arrow A) and place the connector block bracket (6) outside of the working area.
3	Unclip electrical connector from right front WSS sensor (weight sensing system) (B48/12) from circlips (arrows B)	Do not damage electrical connector on right front WSS sensor (weight sensing system) (B48/12).
4	Disconnect electrical connector (5) from WSS control unit (weight sensing system) (N2/13) (arrow C)
5	Unscrew nut (3) and remove bolts (2)	Install bolt (2) only with associated left front WSS sensor (weight sensing system) (B48/11) or right front WSS sensor (weight sensing system) (B48/12). Installation:  Lightly grease bolt (2) before installing and hold when tightening nut (3).
			*BA91.60-P-1011-01H
6	Remove bolts (4)		*BA91.60-P-1012-01H
7	Remove left front WSS sensor (weight sensing system) (B48/11) or right front WSS sensor (weight sensing system) (B48/12) together with installed bracket (7)	Never loosen or remove bracket from left front WSS sensor (weight sensing system) (B48/11) or bracket from right front WSS sensor (weight sensing system) (B48/12)! This would render the left front WSS sensor (weight sensing system) (B48/11) or right front WSS sensor (weight sensing system) (B48/12) unusable.
8	Check plastic bearing (9) for wear and replace if necessary	If required, remove retaining ring (8) and drive out plastic bearing with suitable tool. Installation:  Install new plastic bearing by hand and fasten with circlip (8).
9	Install in the reverse order
10	Calibrate left front WSS sensor (weight sensing system) (B48/11), right front WSS sensor (weight sensing system) (B48/12), left rear WSS sensor (weight sensing system) (B48/13) and right rear WSS sensor (weight sensing system) (B48/14) with STAR diagnosis system.	Plates	Figure
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A

Fig 3: Identifying Plates (211 589 00 32 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.