Replace rubber mount for compressor - AR32.22-P-2011EW

MODEL 212.0/1 with CODE (489) AIRmatic (air suspension with continuous damper adjustment) with CODE (488) Steel/air suspension 

MODEL 212.2 

MODEL 218 with CODE (489) AIRmatic (air suspension with continuous damper adjustment) with CODE (488) Steel/air suspension 

Fig 1: Compressor Rubber Mount Components

Courtesy of MERCEDES-BENZ USA

	Remove
1	Check AIRmatic compressor bracket (A9/1)	In the event of damage or galling on the threaded rods (1) the AIRmatic compressor bracket (A9/1) must be replaced. See: ↓
		Remove/install bracket for AIRmatic compressor (A9/1)	AR32.22-P-2009EW
2	Push stop buffer (3a) out of eyelet on AIRmatic compressor (A9/1)	Replace stop buffer (3a) and attachment parts on AIRmatic compressor (A9/1). If the stop buffer and (3a) and attaching parts are reused, knocking and thumping noises may occur.
	Install
3	Insert stop buffer (3a) into eyelet on AIRmatic compressor (A9/1)	The raised section of the stop buffer (3a) must face downwards. The groove of the stop buffer (3a) must latch all round its total circumference into the eyelet on the AIRmatic compressor (A9/1).
4	Fit shim (3b) onto stop buffer (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 total circumference (arrow).
6	Mount push spring (3e) onto protective sleeve (3d)	The push spring (3e) is centered by a demolding on the stop buffer (3c).