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

MODEL 251 with CODE (488) Steel/air suspension with CODE (489) AIRmatic (air suspension with level adjustment and adaptive damping system ADS) 

Shown on vehicle with code 489 AIRmatic (air suspension with level adjustment and adaptive damping system ADS) 

Fig 1: Identifying Compressor Remove/Install Components - Shown On Vehicle With Code 489 Airmatic

Courtesy of MERCEDES-BENZ USA

Shown on vehicle with code 489 AIRmatic (air suspension with level adjustment and adaptive damping system ADS) 

Fig 2: Identifying Compressor Remove/Install Components - Shown On Vehicle With Code 489 Airmatic

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of death  caused by vehicle slipping or toppling off of the lifting platform	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on AIRmatic		AH32.22-P-1000-02RT
1	Jack up vehicle until the wheels are clear of the ground		AR00.60-P-1000RT
2	Remove fender liner front section in front fender	Front section of fender liner in right front fender.	AR88.10-P-1310RT
3	Separate electrical connectors (1)
4	Detach pressure line (2) from the AIRmatic compressor unit (A9/1)	Seal off the pressure line (2) using a blind plug for the duration of the repair work. If pressure line connections or pressure lines (2) are damaged: ↓
		Repair pressure line connection, see Repair AIRmatic pressure line connection.	AR32.22-P-2001-02RT
			*BA32.22-P-1002-03C
		Socket wrench bit	Figure
		Knife	Fig 3
		Leak detection spray	*BR00.45-Z-1002-03A
		for USA	*BR00.45-Z-1004-03A
5	Loosen clamp (3) and seal intake hose
6	Unscrew nuts (4) and remove AIRmatic compressor unit (A9/1)		*BA32.22-P-1001-03C
7	Detach AIRmatic relay (K67)	Only when installing a new AIRmatic compressor unit (A9/1). When replacing, the AIRmatic relay should always also be replaced (K67) as the switching contacts may be pre-damaged.
	Relay assignment of fuse and relay box in right engine compartment		GF54.15-P-1257-02RT
8	Install in the reverse order
9	Check air suspension for leaks	See Check AIRmatic for leaktightness.	AR32.22-P-8100RT

Fig 3: Identifying Slitting Knife (000 589 12 28 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Wrench Socket (211 589 00 09 00)

Courtesy of MERCEDES-BENZ USA