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

MODEL 219.3 with CODE (489) Aromatic (semi-active air suspension) 

Fig 1: Identifying Compressor Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Compressor Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1.1	Remove the front section of the lower engine compartment paneling	Vehicles with gasoline engines	AR61.20-P-1105TX
1.2	Remove front section of bottom section of soundproofing	Vehicles with diesel engines	AR94.30-P-5300TX
2	Detach front section of fender liner in left front fender; to do so, remove expansion rivet (7)
3	Disconnect pressure line connection (1) from AIRmatic compressor unit (A9/1)	Plug the pressure line for the duration of the repair operations.
	Special information on AIRmatic		AH32.22-P-1000-02T
			*BA32.22-P-1004-03A
		Before assembly, damaged pressure line connections or damaged pressure lines must be repaired.	AR32.22-P-2001-02TX
4	Detach intake hose (2) from air filter (3)	If the air filter is replaced, the arrow on the air filter must be pointing up.
5	Unscrew nuts (4) and remove AIRmatic compressor unit (A9/1)		*BA32.22-P-1003-03A
6	Disconnect electrical connector (5) from AIRmatic pressure reduction valve (A9/1y1)
7	Disconnect electrical connector (6)
8	Remove AIRmatic compressor unit (A9/1)
9	Fit new AIRmatic relay (K67)	When replacing the compressor unit Always exchange the AIRmatic relay when replacing the compressor unit as the switching contact may have been damaged previously.
	AIRmatic relay, component description		GF32.31-P-5114TX
10	Install in the reverse order
11	Check AIRmatic for leaks.		AR32.22-P-8100TX
	Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the running engine	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts.	AS00.00-Z-0005-01A
12	Do an engine test run and check the AIRmatic for proper operation