Remove/install the suspension strut - AR32.25-P-1017TY

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

Shown on left air suspension strut 

Fig 1: Identifying Suspension Strut Remove/Install Components - Shown On Left Air Suspension Strut

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury  caused by moving parts that can pinch, crush  or, in extreme cases, even sever  extremities	No parts of the body or limbs should be within the operating range of the mechanism when moving components.	AS00.00-Z-0009-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	When working on the front-end assembly, be careful not to scratch, mark or notch the surfaces of aluminum parts. Otherwise the service life of the parts will be affected
	Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition
1	Place front wheels in straight-ahead position
2	Relieve the pressure from the air suspension strut (40) using STAR DIAGNOSIS until the residual pressure is reached	Residual pressure in air suspension strut (40) up to 3.5 bar.
	Notes on AIRmatic		AH32.22-P-1000-02T
3	Remove front wheel
	Remove/install wheels		AP40.10-P-4050TX
4	Remove fender liner front section in front fender		AR88.10-P-1310TX
5	Disconnect electrical connector for damping valve unit		AR32.22-P-1500-01TY
6	Unscrew nut (3) from follower joint for upper transverse control arm (4) at steering knuckle (5)		*BA33.20-P-1008-01K
7	Press follower joint out of steering knuckle (5)	To prevent the steering knuckle (5) from folding down too low, attach a support strap between the upper control arm (4) and wheel carrier.	AR33.20-P-0500-01TX
			*BA33.20-P-1008-01K
			Fig 6
			Fig 2
			Fig 3
8	Disconnect electrical connector (1) at the top of the shift valve
9	Detach pressure line connection (40a)	Plug the pressure line for the duration of the repair operations. Damaged compressed- air lines (40a) or damaged pressure lines must be repaired: ↓
		Repair compressed-air line (40a).	AR32.22-P-2001-02TX
			*BA32.25-P-1003-04K
			Figure
			Figure
		Leak detection spray	*BR00.45-Z-1002-03A
		for USA	*BR00.45-Z-1004-03A
10	Unscrew nuts (2) of air suspension strut (40) to front end		*BA32.25-P-1001-04K
11	Detach air suspension strut (40) from spring control arm (6)	Tighten the threaded connection in the curb condition at normal vehicle level.
12	Press down spring control arm (6), detach air suspension strut (40) from spring control arm (6) and remove sideways and downwards	When replacing or reinstalling the air suspension strut (40), the air suspension strut (40) must be checked: ↓
		Check air suspension strut (40).	AR32.25-P-1017-02TX
13	Install in the reverse order
14	Charge affected air suspension strut (40) with STAR DIAGNOSIS	The wheels must not touch the ground while being filled because the air bellows in the air suspension strut (40) will be destroyed if filled with the suspension compressed.
15	Tighten threaded connection of air suspension struts (40) on spring control arm (6) in ready-to-drive condition	Select normal vehicle level with STAR- DIAGNOSIS.
			*BA32.25-P-1005-04K
16	Check AIRmatic for leaks		AR32.22-P-8100TX

Fig 2: Identifying Thrust Washer M 10X1.5 (210 589 04 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Puller (202 589 02 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Wrench Socket (211 589 00 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Slitting Knife (000 589 12 28 00)

Courtesy of MERCEDES-BENZ USA

Fig 6: Identifying Puller (140 589 00 33 00)

Courtesy of MERCEDES-BENZ USA