Remove/install driver seat - AR91.10-P-1010MCU

MODEL 451.3/4 

Shown on vehicle up to 30.8.10 with code (S17) Seat heater (FFO) and code (C54) Sound system 2 

Fig 1: Identifying Driver Seat Remove/Install Components - Shown On Vehicle Up To 30.8.10 With Code (S17) And Code (C54)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury  caused by backrest suddenly folding forward if release lever is accidentally operated during inspection and repair work	When working on the seat, be careful not to accidentally release the backrest mechanism allowing the seat to fold forward. Keep body parts clear of the backrest travel area.	AS91.00-Z-0005-01V
	Notes on avoiding damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Disconnect ground line of battery		AR54.10-P-0003MCC
2	Unhook seat belt (3) from belt guide (2) at driver seat (1)
3	Remove bolt (5) from belt end fitting of seat belt (3)	up to 30.8.10 Ensure that the installation position of the seat belt (3) is correct.
			*BA91.40-P-1001-01G
4	Slide driver seat (1) forwards, fold down backrest and remove bolts (4)	Push driver seat (1) backwards slightly to ensure that it has audibly engaged into both seat rails. Screw in bolts (4) up to contact surface, tighten right bolt first, then tighten left bolt (4). Move driver seat (1) to rearmost position, tighten left bolt and then tighten right bolt (6).
			*BA91.10-P-1001-01P
5	Move driver seat (1) to rearmost position and remove bolts (6)	Push driver seat (1) forwards slightly to ensure that it has audibly engaged into both seat rails. Set seat backrest to vertical position. Screw in bolts (6) up to contact surface and move driver seat (1) to foremost position.
6	Expose wiring harness at holder (7)	On vehicles without code (C54) Sound system 2, the bracket (7) is clipped into the front cross strut of the driver seat (1).
7	Tilt driver seat (1) backwards and expose wiring harness at bracket (8)
8	Disconnect driver seat heated cushion connector (X28/4)	On vehicles with code (S17) Seat heaters (FFO)
9	Disconnect driver head/thorax bag connector (X28/6) and 2-pin ETR connector at driver seat (X28/8)
10	Detach sensor connector for driver seat adjustment detection (X28/10)	As of 31.8.10
11	Remove driver seat (1) from vehicle	Carefully remove driver seat (1) out of vehicle with a helper, as otherwise trim parts and detachable parts may be damaged.
12	Install in the reverse order
13	Check supplemental restraint system using STAR DIAGNOSIS		AD00.00-P-2000-04MCC