Remove/install overpressure reservoir for dynamic seat control - AR91.25-P-1570EW

MODEL 212 with CODE 432 (Left and right dynamic multicontour seat) 

MODEL 218 with CODE 432 (Left and right dynamic multicontour seat) 

Shown on MODEL 212.0 with CODE 489 (AIRMATIC (air suspension with continuously variable damping)) and CODE 810 (Sound system) 

Fig 1: Overpressure Reservoir For Dynamic Seat Control Remove/Install Components - Shown On Model 212.0 With Code 489

Courtesy of MERCEDES-BENZ USA

Shown on MODEL 212.0 with CODE 810 (Sound system) 

Fig 2: Overpressure Reservoir For Dynamic Seat Control Remove/Install Components - Shown On Model 212.0 With Code 810

Courtesy of MERCEDES-BENZ USA

	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1.1	Switch off ignition and remove transmitter key from electronic ignition lock control unit	MODEL 212 with CODE 432 (Left and right dynamic multicontour seat) without CODE 889 (KEYLESS-GO) MODEL 218 with CODE 432 (Left and right dynamic multicontour seat) without CODE 889 (KEYLESS-GO)
1.2	Switch off ignition and remove transmitter key or KEYLESS-GO start/stop button from electronic ignition lock control unit	MODEL 212 with CODE 432 (Left and right dynamic multicontour seat) with CODE 889 (KEYLESS-GO) MODEL 218 with CODE 432 (Left and right dynamic multicontour seat) with CODE 889 (KEYLESS-GO)
2.1	Remove left side paneling in trunk	MODEL 212.0/1 with CODE 432 (Left and right dynamic multicontour seat) MODEL 218.3 with CODE 432 (Left and right dynamic multicontour seat)
		MODEL 212.0/1 with CODE 432 (Left and right dynamic multicontour seat)	AR68.30-P-4600EW
		MODEL 218.3 with CODE 432 (Left and right dynamic multicontour seat)	AR68.30-P-4600EL
2.2	Remove left side load compartment lining	MODEL 212.2 with CODE 432 (Left and right dynamic multicontour seat) MODEL 218.9 with CODE 432 (Left and right dynamic multicontour seat)
		MODEL 212.2 with CODE 432 (Left and right dynamic multicontour seat)	AR68.30-P-1180ES
		MODEL 218.9 with CODE 432 (Left and right dynamic multicontour seat)	AR68.30-P-1180ELX
3	Remove left side cargo area soundproofing	MODEL 212.2 with CODE 432 (Left and right dynamic multicontour seat)
4	Unscrew nuts (2) and place central reservoir (1) with connected pneumatic line to one side	MODEL 212 with CODE 432 (Left and right dynamic multicontour seat) with CODE 488 (Steel/air suspension) MODEL 212 with CODE 432 (Left and right dynamic multicontour seat) with CODE 489 (AIRMATIC) MODEL 218 with CODE 432 (Left and right dynamic multicontour seat) with CODE 488 (Steel/air suspension) MODEL 218 with CODE 432 (Left and right dynamic multicontour seat) with CODE 489 (AIRMATIC)
		Nut, pressure reservoir to longitudinal member	*BA32.22-P-1006-03E
5	Unscrew nuts (4), release nut (3) and place bracket (5) with sound system amplifier control unit (N40/3) to one side	MODEL 212 with CODE 432 (Left and right dynamic multicontour seat) with CODE 810 (Sound system) MODEL 218 with CODE 432 (Left and right dynamic multicontour seat) with CODE 810 (Sound system)
	Notes on avoiding damage to optical fibers during repair work		AH82.60-P-0001-05AK
		Do not detach electrical lines from sound system amplifier control unit (N40/3).
6	Loosen screw/bolts (6)
7	Unscrew nuts (7)
8	Place bracket for pneumatic pump for active multicontour seat (8) with connected electrical and pneumatic lines to one side	Observe routing of electrical and pneumatic lines.
9	Route overpressure reservoir (9) past the screws/bolts (6) and upwards out of the keyhole-shaped openings on the body	Observe routing of pneumatic lines (10).
10	Disconnect pneumatic lines (10) at overpressure reservoir (9)	Observe installation location and routing of pneumatic lines (10).
		Pliers	Figure
11	Remove overpressure reservoir (9)
12	Install in the reverse order

Fig 3: Identifying Pliers (000 589 04 37 00)

Courtesy of MERCEDES-BENZ USA