Remove/Install Lumbar Support Air Cushion On Front Seat - AR91.25-P-1450S

Model 223 

with code U22 (Lumbar support adjustment) 

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove cover from seat backrest.		AR91.18-P-1820S
2	Unclip lumbar support air cushion (2) in seat backrest padding (1) and remove.	Ensure correct routing of the pneumatic lines. Malfunctions can occur otherwise.
3	Install in the reverse order.