Remove/Install Air Cushion Of Multicontour Backrest On Driver And Front Passenger Side - AR91.25-P-1680GW

Model 463 

as of model year 2013 up to model year 2019 

with code PA1 (Seat comfort package) 

/FACELIFT 2012 

Fig 1: Air Cushion Of Multicontour Backrest Components Location - Model 463 As Of Model Year 2013 Up To Model Year 2019 With Code PA1 /Facelift 2012

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Remove cover with padding at front seat backrest	Remove/install front seat backrest cover Do not separate cover from padding.	AR91.18-P-1820GW
	Remove left and right shaped parts (2) at backrest frame (5)
	Remove screws (3) on left and right from seat backrest shell (4)
	Unclip both side air cushions (1.1) from seat backrest shell (4) (arrows A)	Ensure that side air cushions (1.1) are seated correctly at seat backrest shell (4).
	Detach seat backrest shell (4) at backrest frame (5) toward top and place to rear	Ensure that lugs (arrows B) of seat backrest shell (4) are seated correctly at backrest frame (5).
	Remove screws (6, 8) on left and right from seat backrest frame (5)
	Separate cable tie (12, 13)
	Unclip retaining clips (10, 11) on air cushion unit (1)
	Swivel both side air cushions (1.1) forward at bottom until catch hooks (9) are detached and can move freely at backrest frame (5)	Ensure that catch hooks (9) are seated correctly on seat backrest frame (5).
	Lift up both side air cushions (1.1) until catch hooks (7) are detached and can move freely at backrest frame (5)	Ensure that catch hooks (7) are seated correctly at backrest frame (5).
	Unhook wire hoops (1.3) one after the other by moving laterally out of openings (arrows E) on seat backrest frame (5)
	Swivel air cushion unit (1) forward at bottom, unhook both wire hoops (1.2) from seat backrest frame (5) and remove air cushion unit (1)
	Install in the reverse order