Remove/Install Air Suspension Valve Unit - AR32.22-P-2015MNE

Model 213.088/089/288/289 with code 489 (AIRMATIC Dual Control/semi-active air suspension)

Fig 1: Air Suspension Valve Unit Components Location - Model 213.088/089/288/289 With Code 489

Courtesy of MERCEDES-BENZ USA

	Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Notes on AIRmatic		AH32.22-P-1000-02LW
	Remove
1	Release pressure from air suspension using diagnostic system
			AD00.00-P-2000-04B
2	Raise vehicle		AR00.60-P-1002LWG
3	Unscrew nuts (1) and remove cover (2)
4	Extend heat shield (3) out of stud bolts and push to one side
5	Disconnect electrical connection (4)
6	Mark compressed air line connections (5) relative to valve unit (6)
7	Remove compressed air line connections (5) from valve unit (6) and seal openings using suitable stop plugs	Record plug	Fig 4
8	Remove bolts (7) and take off valve unit (6)
	Install
9	Position valve unit (6) and tighten screws (7)	Bolt valve unit to bracket for compressor unit	*BA32.22-P-1003-03H
10	Remove all stop plugs
11	Mount compressed air line connections (5) to valve unit (6)	The thread of the compressed air line connections (5) may not be damaged. Otherwise, leaks will occur. Observe markings.
		Pressure line to compressor/valve unit (P)	*BA32.22-P-1004-03H
		Torque tool set	Fig 5
		Torque wrench	Fig 2
		If the threads are damaged ↓ Repair compressed air line connections (5).	AR32.22-P-2001-01LW
		3 Knife	Fig 3
12	Connect electrical connection (4)
	Check
13	Read out and erase fault memory using the diagnostic system
			AD00.00-P-2000-04B
	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
14	Perform an engine test run and check air suspension for proper operation
15	Check valve unit (6) for leak tightness		AR32.22-P-8100LW
	Install
16	Position heat shield (3) into stud bolts
17	Position cover (2) and tighten nuts (1)
18	Build up pressure of air suspension using vehicle diagnosis system
			AD00.00-P-2000-04B
19	Lower vehicle fully		AR00.60-P-1002LWG