Remove/Install Air Body Control Central Reservoir - AR32.22-P-2023FR

Model 257.361 with code 489 (AIR BODY CONTROL) 

MODIFICATION NOTES

23.05.2019

Pressure line to pressure reservoir/valve unit (SP)

BA32.22-P-1008-03I

Fig 1: Air Body Control Central Reservoir Components Location - Model 257.361 With Code 489

Courtesy of MERCEDES-BENZ USA

Topical note	Notes on AIR BODY CONTROL		AH32.22-P-1000-03LWO
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
	Remove
1	Drain AIR BODY CONTROL central reservoir (1) using vehicle diagnosis system
			AD00.00-P-2000-06FR
2	Switch off ignition and store transmitter key outside of transmission range (at least 2 m)
3	Remove front bumper		AR88.20-P-2000FR
4	Remove right front lamp unit		AR82.10-P-4733FR
5	Unclip pressure line (2) from AIR BODY CONTROL central reservoir (1)
6	Remove pressure line (2) from AIR BODY CONTROL central reservoir (1) and close off openings with suitable stop plugs	Record plug	Fig 4
7	Unclip lines from line brackets (3) at AIR BODY CONTROL central reservoir (1)
8	Unscrew screw (4) and remove AIR BODY CONTROL central reservoir (1) downward
	Install
9	Position AIR BODY CONTROL central reservoir (1) and tighten screw (4)	Bolt, pressure reservoir to cross member	*BA32.22-P-1007-03I
10	Clip lines onto line brackets (3) at AIR BODY CONTROL central reservoir (1)
11	Remove all stop plugs
12	Attach pressure line (2) to AIR BODY CONTROL central reservoir (1)	The thread on the connection of the pressure line (2) must not be damaged. Otherwise, leaks will occur.
		Pressure line to pressure reservoir/valve unit (SP)	*BA32.22-P-1008-03I
		Box wrench bit If the thread is damaged	Fig 3
		Repair connection of pressure line (2).	AR32.22-P-2001-01FR
		Knife	Fig 2
13	Clip in pressure line (2) at AIR BODY CONTROL central reservoir (1)
14	Fill AIR BODY CONTROL central reservoir (1) using vehicle diagnosis system
			AD00.00-P-2000-06FR
	Check
15	Read out and erase fault memory using the diagnostic system
			AD00.00-P-2000-06FR
16	Check AIR BODY CONTROL central reservoir (1), pressure line (2) and pressure line connection for leak tightness		AR32.22-P-8101FR
	Install
17	Install right front lamp unit		AR82.10-P-4733FR
18	Install front bumper		AR88.20-P-2000FR

AIR SUSPENSION

Number	Designation		Model 257
BA32.22-P-1007-03I	Bolt, pressure reservoir to cross member	Nm	30

AIR SUSPENSION

Number	Designation		Model 257
BA32.22-P-1008-03I	Pressure line to pressure reservoir/valve unit (SP)	Nm	3, 5

Fig 2: Identifying Knife (000 589 12 28 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Box Wrench Bit (140 589 00 03 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA