Remove/Install Rear Seat Control Module - AR91.29-P-1570LFA

Model 222.0/1/9 

with code 223 (Electric backrest adjustment and head restraints) 

Model 222.0/1/9 

with code 432 (Dynamic seats left and right) 

Model 222.0/1/9 

with code P43 (Rear seat comfort package) 

Courtesy of MERCEDES-BENZ USA

Left rear seat control unit (N32/6) 

Right rear seat control unit (N32/5) 

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Left rear seat control unit (N32/6)
1	Remove left cover from trunk		AR68.30-P-4600LF
2	Remove woofer	Model 222.0/1/9 with code 223 (Electric backrest adjustment and head restraints) with code 811 (High-End sound system) Model 222.0/1/9 with code 432 (Dynamic seats left and right) with code 811 (High-End sound system) Model 222.0/1/9 with code 811 (High-End sound system) with code P43 (Rear seat comfort package)
			AR82.62-P-7839LF
3	Take off cover (1)
4	Remove multicontour seat pneumatic pump (M40) out of bracket (2) until electrical plug (3) can be disconnected	Model 222.0/1/9 with code 432 (Dynamic seats left and right) Model 222.0/1/9 with code P43 (Rear seat comfort package)
5	Disconnect electrical plug (3) at multicontour seat pneumatic pump (M40)
6	Unclip retaining clip (4)
7	Place multicontour seat pneumatic pump (M40) to one side with connected pneumatic lines	Do not kink pneumatic lines on multicontour seat pneumatic pump (M40). Otherwise the pneumatic lines may be damaged.
8	Unscrew nuts (5) from bracket (6)
9	Remove bracket (6) until left rear seat control unit (N32/6) can be unclipped from bracket (6)
10	Unclip left rear seat control unit (N32/6) from bracket (6)
11	Disconnect electrical connectors (7)
12	Remove left rear seat control unit (N32/6) from trunk
13	Install in the reverse order
	Right rear seat control unit (N32/5)
14	Remove the RH panel in the trunk		AR68.30-P-4600LF
15	Unclip right rear seat control unit (N32/5) from bracket (8)
16	Disconnect electrical plug (9)
17	Remove right rear seat control unit (N32/5) from trunk
18	Install in the reverse order