Remove/install front seat - AR91.10-P-1000GZ

MODEL 164

Fig 1: Identifying Front Seat Components - Shown On Driver Seat With Memory Package Code 275

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on driver seat with memory package (driver seat, steering column, mirror), code 275, without left multicontour seat, code 404

	Remove/install
1	Remove front seat head restraint	Electrically adjustable head restraint	AR91.16-P-0040GZ
		Mechanically adjustable head restraint	AR91.16-P-0040GZA
2	Move backrest into upright position
3	Move front seat forward
4	Unclip cover (1) from belt end fitting	Long wedge	Fig 2
5	Remove bolt (2)		*BA91.40-P-1001-01H
6	Move front seat to rear
7	Remove screws (5)	Installation: Replace bolts (5), align seat rails.
			*BA91.10-P-1001-01L
8	Remove bolts (3)	Installation: Replace bolts (3), align seat rails.
			*BA91.10-P-1001-01L
9	Remove seat rail covers (4)
10	Lift up front of front seat, carefully tilt toward rear
11	Disconnect electrical connector (6, 7) from left front seat contacting strip (X55/3) on vehicle side	The number of connectors varies according to vehicle equipment.
12	Disconnect electrical connectors (8, 9) from driver-side front seat adjustment control unit with memory (N32/1)	Only vehicles with memory package (driver seat, steering column, mirror), code 275 and electrically adjustable passenger seat with memory, code 242.
13	Disconnect compressed air connection for multicontour seat from main coupling below seat (gray air hose)	Only vehicles with left multicontour seat, code 404 and right multicontour seat, code 405.
14	Lift out front seat	Use helper
15	Install in the reverse order
16	Calibrate left front WSS sensor (weight sensing system), right front WSS sensor (weight sensing system), left rear WSS sensor (weight sensing system) and right rear WSS sensor (weight sensing system) with STAR diagnosis system	Only front seat on passenger side in vehicles with USA version, code 494.
		Plates	Fig 3
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
17	Carry out function test, return seat to the original position again

FRONT SEATS

Number	Designation		Model 164.1/8
BA91.10-P-1001-01L	Bolt of seating mounting bracket to vehicle floor	Nm	45

SEAT BELTS/EMERGENCY TENSIONING RETRACTORS

Number	Designation		Model 164.1/8
BA91.40-P-1001-01H	Bolt at seat belt fitting	Nm	35

Fig 2: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

COMMERCIALLY AVAILABLE TOOLS

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