Replace Air Cushion With Massage Function In Rear Seat Backrest - AR91.25-P-1753S

Model 223 

with code 406 (Multicontour rear seat) 

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Connect diagnostic system and perform commissioning of rear seat backrest massage function control unit (N32/33 N32/34).	When replacing rear seat backrest massage function control unit (N32/33, N32/34).
			AD00.00-P-2000-06FR
		The air cushion with massage function (2) and rear seat backrest massage function control unit (N32/32, N32/34) are one unit.
2	Remove cover from seat backrest.		AR91.18-P-1870SA
		Model 223 with code 223 (Electric backrest adjustment and head restraints) with code 224 (Rear individual seat design) with code 406 (Multicontour rear seat) Model 223 with code 223 (Electric backrest adjustment and head restraints) with code 406 (Multicontour rear seat) except code 224 (Rear individual seat design)
3	Unclip air cushion with massage function (2) in seat backrest padding (1) and remove.	Ensure correct routing of the pneumatic lines. Malfunctions can occur otherwise.
4	Install in the reverse order.