Remove/Install Multicontour Backrest Air Cushion - AR91.25-P-1740FRX

Model 290 

with code 409 (Left and right front multicontour seat) 

with code 555 (AMG-Performance Seat) 

except code 432 (Dynamic seats left and right) 

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove front multicontour seat control unit (N32/15, N32/16).		AR91.25-P-1750FRX
2	Expose pneumatic lines (2).
3	Remove retaining clips at air cushion (1) and remove air cushion (1).	Dismantling tool	Fig 1
4	Install in the reverse order

Fig 1: Identifying Dismantling Tool (000 589 95 63 00)

Courtesy of MERCEDES-BENZ USA