Replace Air Suspension Compressor Elastomer Bearing - AR32.22-P-2011LW

Model 205 with code 489 (AIRMATIC Dual Control/semi-active air suspension) 

Model 213.0/1 with code 489 (AIRMATIC Dual Control/semi-active air suspension) 

Model 213.2 

Model 253 with code 489 (AIR BODY CONTROL) 

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove AIR BODY CONTROL compressor (A9/1)	Model 213.088/089/288/289 with code 489 (AIRMATIC Dual Control/semi-active air suspension)	AR32.22-P-2001MNE
		Model 205 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 213.0 (except 213.088/089), 213.1 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 213.2 (except 213.288/289) Model 253 with code 489 (AIR BODY CONTROL)	AR32.22-P-2001LW
	Disassemble
2	Press elastomer bearing (3a) out of eyelet on AIR BODY CONTROL compressor (A9/1)	The elastomer bearing (3a), the washer (3b), the stop buffer (3c), the protective sleeve (3d) and the compression spring (3e) must be replaced. Otherwise knocking and thumping noises can occur.
	Assemble
3	Insert elastomer bearing (3a) into eyelet on AIR BODY CONTROL compressor (A9/1)	The raised section of the elastomer bearing (3a) must face downward. The groove of the elastomer bearing (3a) must engage around its entire circumference into the eyelet on the AIR BODY CONTROL compressor (A9/1).
4	Place washer (3b) on elastomer bearing (3a)
5	Slide stop buffer (3c) onto protective sleeve (3d)	The outer lip of the stop buffer (3c) must enclose the washer of the protective sleeve (3d) around its entire circumference (arrow).
6	Mount push spring (3e) onto protective sleeve (3d)
	Install
7	Install AIR BODY CONTROL compressor (A9/1)	Model 213.088/089/288/289 with code 489 (AIRMATIC Dual Control/semi-active air suspension)	AR32.22-P-2001MNE
		Model 205 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 213.0 (except 213.088/089), 213.1 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 213.2 (except 213.288/289) Model 253 with code 489 (AIR BODY CONTROL)	AR32.22-P-2001LW