Remove/Install Airmatic Central Reservoir - AR32.22-P-2017GQX

Model 166.8 

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

Shown on model 166.873 

Fig 1: Airmatic Central Reservoir Components Location - Model 166.873 With Code 489

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
	Notes on AIRmatic		AH32.22-P-1000-02GZ
1	Lift vehicle on vehicle lift		AR00.60-P-1000GZ
2	Empty AIRmatic using STAR DIAGNOSIS
		Empty and fill the AIRmatic as per the specifications; the complete wheels must not be touching the ground. The air springs can otherwise be damaged and fail later.	AD00.00-P-2000-04A
3	Lower rear exhaust system
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount	To do so, support the rear muffler, unhook exhaust rubber mount and lower the exhaust system by approx. 15 cm.	WS01.00-P-0092B
4	Detach heat shield above rear muffler on undercarriage and place onto rear muffler
5	Detach pressure line (1a) on main memory (1)	Seal connections with blind plugs.
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak detection spray	*BR00.45-Z-1002-03A
		Pressure line of air suspension to central reservoir	*BA32.22-P-1009-03B
		Knife	Fig 3
		Socket wrench bit Check pressure line (1a) and pressure line connection for signs of damage, if necessary: ↓ Repair AIRmatic pressure line connection.	Fig 2
			AR32.22-P-2001-02GZ
6	Unscrew nuts (1b) and remove central reservoir (1)
7	Install in the reverse order
	Check
8	Check AIRmatic for leaks		AR32.22-P-8100GZ

Fig 2: Identifying Socket Wrench Bit (211 589 00 09 00)

Courtesy of MERCEDES-BENZ USA

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

Courtesy of MERCEDES-BENZ USA