Remove/install compressor - AR32.22-P-2001T

MODEL 211.0 /2 with CODE (489) AIRmatic (semi-active air suspension) 

Fig 1: Identifying Compressor Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
1.1	Remove front section of bottom section of soundproofing	Vehicles with diesel engine	AR94.30-P-5300T
1.2	Remove front section of lower engine compartment paneling	Vehicles with gasoline engine	AR61.20-P-1105T
2	Disconnect pressure line connection (1) from AIRmatic compressor unit (A9/1)	Plug the pressure line for the duration of the repair operations.
	Notes on AIRmatic		AH32.22-P-1000-02T
			*BA32.22-P-1004-03A
			Figure
3	Remove intake hose from air filter (2)	Installation:  If the air filter is replaced, the arrow on the air filter must be pointing up.
4	Unscrew nuts (arrows) and remove AIRmatic compressor unit (A9/1)		*BA32.22-P-1003-03A
5	Disconnect electrical connector from AIRmatic pressure reduction valve (A9/1y1)
6	Disconnect electrical connector (3)
7	Install in the reverse order
8	Replace air suspension compressor relay	When replacing the compressor unit When replacing the compressor unit, always replace the air suspension compressor relay, because its switching contacts may have been damaged beforehand.
	Relay assignment of fuse and relay box in left side of engine compartment	Model 211.0/2 up to and including model year 06	GF54.15-P-1257-03T
		Model 211.0/2 as of model year 07	GF54.15-P-1257-03TM
9	Check AIRmatic for leaks.		AR32.22-P-8100T

Fig 2: Identifying Wrench Socket (211 589 00 09 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.