Remove/Install Air Cushion Of Multicontour Seat Backrest In Rear - AR91.25-P-1752LFA

Model 222.0/1/9 

with code 223 (Electric backrest adjustment and head restraints) 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove cover with padding of backrest	Do not remove cover from padding.	AR91.18-P-1870LFA
2	Set backrest frame (1) down on suitable base
3	Unhook springs (2) from spring frame (4)	Extraction hook	Fig 1
4	Cut cable ties (arrows)	:  Replace cable ties (arrows).
5	Pull black pneumatic supply line (6) through tab (5)
6	Release and remove pneumatic lines (7) at left rear multicontour seat control unit (N32/20) or right rear multicontour seat control unit (N32/21)	The pneumatic lines (7) are color coded.
		Fl. blade4.8_/6.3	Fig 2
7	Release catch hook (8) and unhook side bolster (3.1)
8	Remove air cushion unit (3) with side bolster (3.1) from backrest frame (1)
9	Install in the reverse order

Fig 1: Identifying Extraction Hook (140 589 02 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Fl. Blade 4.8_/ 6.3 (220 589 01 99 58)

Courtesy of MERCEDES-BENZ USA