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

Model 463 

as of model year 2019 

Fig 1: Multicontour Backrest Air Cushion Components Location - Model 463 As Of Model Year 2019

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove cover with padding from seat backrest at front.		AR91.18-P-1822XG
2	Remove multicontour seat control unit at front.		AR91.25-P-1900XG
3	Unhook fastening shackles (arrows) of air cushions (1, 5) on covers (2, 4).
4	Release bolt (7, 8) and pull out far enough until the air cushions (1, 5) can be removed.
5	Remove air cushions (1, 5) far enough, until the pneumatic lines are accessible.	Do not kink the pneumatic lines. Otherwise, they will be damaged.
6	Expose pneumatic lines of air cushions (1, 5).
7	Remove air cushions (1, 5).
8	Expose pneumatic line on air cushion (3).	Do not kink the pneumatic line. Otherwise, it will be damaged.
9	Remove air cushion (3) from spring frame (6).
10	Install in reverse order.