Remove/Install AIR BODY CONTROL Central Reservoir - AR32.22-P-2023LWO

Model 238 

with code 489 (AIR BODY CONTROL) 

Model 253 (except 253.364/388/389/964/988/989) 

with code 489 (AIR BODY CONTROL) 

Fig 1: AIR BODY CONTROL Central Reservoir Components Location - Model 253 (Except 253.364/388/389/964/988/989) With Code 489 (Shown On Model 238)

Courtesy of MERCEDES-BENZ USA

Shown on model 238 

Courtesy of MERCEDES-BENZ USA

Shown on model 238 

	Notes on AIR BODY CONTROL	Model 238 with code 489 (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
	Notes on AIRmatic	Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AH32.22-P-1000-02LW
	Remove
1	Drain AIR BODY CONTROL central reservoir (1) using vehicle diagnosis system
		Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AD00.00-P-2000-04B
		Model 238 with code 489 (AIR BODY CONTROL)	AD00.00-P-2000-06LWO
2	Switch off ignition and store transmitter key outside of transmitter range (at least 2 m)
3	Remove front bumper	Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AR88.20-P-2000LW
		Model 238 with code 489 (AIR BODY CONTROL)	AR88.20-P-2000LWE
4	Remove right front lamp unit	Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AR82.10-P-4730LW
		Model 238 with code 489 (AIR BODY CONTROL)	AR82.10-P-4733LWO
5	Remove pressure line (2) from AIR BODY CONTROL central reservoir (1) and close off openings with suitable stop plugs	Torque tool set	Fig 5
		Record plug	Fig 4
6	Remove screw (3) and hang up right front body lateral acceleration sensor (B24/4) to one side with electric line still connected
7	Unclip lines from line holders (4) on AIR BODY CONTROL central reservoir (1)
8	Remove screw (5) and remove AIR BODY CONTROL central reservoir (1) downwards
	Install
9	Position AIR BODY CONTROL central reservoir (1) and tighten screw (5)	Model 238 with code 489 (AIR BODY CONTROL) Bolt, pressure reservoir to cross member	*BA32.22-P-1007-03H
		Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL) Bolt, pressure reservoir to cross member	*BA32.22-P-1008-03G
10	Clip lines into line holders (4) on AIR BODY CONTROL central reservoir (1)
11	Position right front body lateral acceleration sensor (B24/4) and tighten screw (3)
12	Remove all stop plugs
13	Attach pressure line (2) to AIR BODY CONTROL central reservoir (1)	The thread on the connection of the pressure line (2) and pressure line (2) may not be damaged. Otherwise, leaks will occur.
		Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL) Pressure line to pressure reservoir/valve unit (SP)	*BA32.22-P-1007-03G
		Model 238 with code 489 (AIR BODY CONTROL) Pressure line to pressure reservoir/valve unit (SP)	*BA32.22-P-1008-03H
		Torque tool set	Fig 5
		Torque wrench If thread on the pressure line (2) or pressure line (2) connection is damaged ↓ Repair connection of pressure line (2) or pressure line (2).	Fig 2
		Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AR32.22-P-2001-01LW
		Model 238 with code 489 (AIR BODY CONTROL)	AR32.22-P-2001-01LWO
		Knife	Fig 3
14	Fill AIR BODY CONTROL central reservoir (1) with compressed air using vehicle diagnosis system
		Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AD00.00-P-2000-04B
		Model 238 with code 489 (AIR BODY CONTROL)	AD00.00-P-2000-06LWO
	Check
15	Read out and erase fault memory using the diagnostic system
		Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AD00.00-P-2000-04B
		Model 238 with code 489 (AIR BODY CONTROL)	AD00.00-P-2000-06LWO
16	Check AIR BODY CONTROL central reservoir (1), pressure line (2) and connection of pressure line (2) for leak tightness	Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AR32.22-P-8100LW
		Model 238 with code 489 (AIR BODY CONTROL)	AR32.22-P-8101LWO
	Install
17	Install right front lamp unit	Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AR82.10-P-4730LW
		Model 238 with code 489 (AIR BODY CONTROL)	AR82.10-P-4733LWO
18	Install front bumper	Model 253 (except 253.364/388/389/964/988/989) with code 489 (AIR BODY CONTROL)	AR88.20-P-2000LW
		Model 238 with code 489 (AIR BODY CONTROL)	AR88.20-P-2000LWE

Fig 2: Identifying Torque Wrench (001 589 86 21 00)

Courtesy of MERCEDES-BENZ USA

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

Courtesy of MERCEDES-BENZ USA

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

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Torque Tool Set (003 589 05 09 00)

Courtesy of MERCEDES-BENZ USA