Remove/Install Multi-Contour Seat Air Cushions - AR91.25-P-1770LWX

Model 205, 253 

with code 275 (Driver's Seat, Electrically Adjustable With Memory Function) 

with code 555 (AMG-Performance Seat) 

except code U10 (Front Passenger Seat With Weight Sensor) 

Model 213 

with code 275 (Memory Package (Driver's Seat, Steering Column And Mirror)) 

with code 555 (AMG-Performance Seat) 

except code U10 (Front Passenger Seat With Weight Sensor) 

Fig 1: Multi-Contour Seat Air Cushions Components Location - Model 205 With Codes 275, 555; Except Code U10

Courtesy of MERCEDES-BENZ USA

	Remove/Install
1	Remove seat cushion padding.	Model 205, 253 with code 275 (Driver's Seat, Electrically Adjustable With Memory Function) with code 555 (AMG-Performance Seat) except code U10 (Front Passenger Seat With Weight Sensor)	AR91.10-P-5040LW
		Model 213 with code 275 (Memory Package (Driver's Seat, Steering Column And Mirror)) with code 555 (AMG-Performance Seat) except code U10 (Front Passenger Seat With Weight Sensor)	AR91.10-P-5040FRX
2	Disconnect and expose pneumatic lines (3) at connecting point on seat adjustment unit.
3	Unscrew screw/bolts (1).
4	Remove reinforcement (2) together with air cushion (4).
5	Drill out rivets in air cushions (4).	Replace the rivets.
6	Remove air cushions (4).	The air cushions (4) form a unit and can only be replaced together.
7	Install in the reverse order