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

Model 217 

except code 432 (Dynamic seats left and right) 

Model 222 

except code 432 (Dynamic seats left and right) 

Fig 1: Front Seat Lumbar Support Air Cushion Component Location - Model 217 Except Code 432 (Shown On Model 222)

Courtesy of MERCEDES-BENZ USA

Shown on MODEL 222 

	Remove/install
1	Remove front seat backrest padding		AR91.10-P-1095LF
2	Disconnect electrical connector (1) from pneumatic pump
3	Disconnect electrical connector (2) from controller unit (3)
4	Unhook springs (4)	Extraction hook	Fig 2
5	Lift spring frame (6) out of brackets (arrows A)
6	Unhook spring frame (6) out of openings (arrows B)	To do this, swivel the spring frame (6) upwards.
7	Completely remove spring frame (6) with lumbar support (7)	The lumbar support (7) consists of spring frame (6), air cushion of lumbar support (7), pneumatic pump and controller unit (3).
8	Install in the reverse order
	Check
9	Check air cushion of lumbar support (7) for proper operation

Fig 2: Identifying Extraction Hook (140 589 02 33 00)

Courtesy of MERCEDES-BENZ USA