Check Air Suspension For Leaks - AR32.22-P-8000S

Model 223, 296, 297

Model 294, 295

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

MODIFICATION NOTES

10.05.2022	Air suspension pressure line to suspension strut	Model 296	BA32.25-P-1003-04O
10.05.2022	Pressure line air suspension to front spring strut	Model 296	BA32.25-P-1003-04O
10.05.2022	Air suspension pressure line to rear air spring	Model 296	BA32.25-P-1006-04O
10.05.2022	Pressure line air suspension to rear air spring	Model 296	BA32.25-P-1006-04O

Courtesy of MERCEDES-BENZ USA

Shown on model 223

Notice	Notes on air suspension		AH32.22-P-1000-01T
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Expose pressure line connections on front suspension struts (1).	Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297	AR32.25-P-1017EQS
		Model 223 with code 490 (Electrohydraulic suspension)	AR32.25-P-1017SA
		Model 223 except code 490 (Electrohydraulic suspension)	AR32.25-P-1017S
2.1	Expose pressure line connections on rear suspension struts (2).	Model 223 Model 223 with code 490 (Electrohydraulic suspension) except code Z07 (B7 armoring on special protection version)	AR32.25-P-1016SA
		Model 223 except code 490 (Electrohydraulic suspension) except code Z07 (B7 armoring on special protection version)	AR32.25-P-1016S
2.2	Expose pressure line connections on rear air springs.	Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297	AR32.22-P-1500EQS
3	Expose pressure line connections on electropneumatic controller unit (3).	Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297	AR32.22-P-2027EQS
		Model 223	AR32.22-P-2027S
	Check
4	Build up pneumatic pressure of air suspension using diagnostic system.	If the pneumatic system is unpressurized.
			AD00.00-P-2000-06FR
5	Spray pneumatic pressure line connections on electropneumatic controller unit (3) with leak detection spray.	Leak detection spray	*BR00.45-Z-1002-03A
		Snoop Leak detection fluid	*BR00.45-Z-1003-03A
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak location spray LUBRION article no. 626.04	*BR00.45-Z-1005-03A
		Leak detection spray for China	*BR00.45-Z-1006-03A
6	Spray pneumatic pressure line connections on front suspension struts (1) with leak detection spray.	Leak detection spray	*BR00.45-Z-1002-03A
		Snoop Leak detection fluid	*BR00.45-Z-1003-03A
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak location spray LUBRION article no. 626.04	*BR00.45-Z-1005-03A
		Leak detection spray for China	*BR00.45-Z-1006-03A
7.1	Spray pneumatic pressure line connections on rear suspension struts (2) with leak detection spray.	Model 223 Leak detection spray	*BR00.45-Z-1002-03A
		Snoop Leak detection fluid	*BR00.45-Z-1003-03A
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak location spray LUBRION article no. 626.04	*BR00.45-Z-1005-03A
		Leak detection spray for China	*BR00.45-Z-1006-03A
7.2	Spray pneumatic pressure line connections on rear air springs with leak detection spray.	Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297 Leak detection spray	*BR00.45-Z-1002-03A
		Snoop Leak detection fluid	*BR00.45-Z-1003-03A
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak location spray LUBRION article no. 626.04	*BR00.45-Z-1005-03A
		Leak detection spray for China	*BR00.45-Z-1006-03A
8	Spray area of dust boots at top and bottom of front suspension struts (1) with leak detection spray.	Leak detection spray	*BR00.45-Z-1002-03A
		Snoop Leak detection fluid	*BR00.45-Z-1003-03A
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak location spray LUBRION article no. 626.04	*BR00.45-Z-1005-03A
		Leak detection spray for China	*BR00.45-Z-1006-03A
9.1	Spray area of dust boots at top and bottom of rear suspension struts (2) with leak detection spray.	Model 223 Leak detection spray	*BR00.45-Z-1002-03A
		Snoop Leak detection fluid	*BR00.45-Z-1003-03A
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak location spray LUBRION article no. 626.04	*BR00.45-Z-1005-03A
		Leak detection spray for China	*BR00.45-Z-1006-03A
9.2	Spray area of dust boots at top and bottom of rear air springs with leak detection spray.	Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297 Leak detection spray	*BR00.45-Z-1002-03A
		Snoop Leak detection fluid	*BR00.45-Z-1003-03A
		Leakage detection spray for USA	*BR00.45-Z-1004-03A
		Leak location spray LUBRION article no. 626.04	*BR00.45-Z-1005-03A
		Leak detection spray for China	*BR00.45-Z-1006-03A
10	Check sprayed areas for leak tightness.	Wait approx. 10 to 15 min after spraying. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately. If there is a problem, ↓ replace or repair component parts concerned.
		Remove/install the suspension strut Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297	AR32.25-P-1017EQS
		Remove/install air spring Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297	AR32.22-P-1500EQS
		Remove/install electropneumatic controller unit Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297	AR32.22-P-2027EQS
		Remove/install electropneumatic controller unit (3) Model 223	AR32.22-P-2027S
		Remove/install rear suspension strut Model 223 with code Z07 (B7 armoring on special protection version)	AR32.25-P-1016SG
		Remove/install rear suspension strut (2) Model 223 with code 490 (Electrohydraulic suspension) except code Z07 (B7 armoring on special protection version)	AR32.25-P-1016SA
		Remove/install rear suspension strut (2) Model 223 except code 490 (Electrohydraulic suspension) except code Z07 (B7 armoring on special protection version)	AR32.25-P-1016S
		Remove/install front suspension strut (1) Model 223 with code 490 (Electrohydraulic suspension)	AR32.25-P-1017SA
		Remove/install front suspension strut (1) Model 223 except code 490 (Electrohydraulic suspension)	AR32.25-P-1017S
		Repair supply line connection for air suspension Model 223, 296, 297 Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension)	AR32.22-P-2001-01S
		Model 223 Pressure line to rear suspension strut/valve block	*BA32.22-P-1011-03F
		Model 223 Pressure line to front suspension strut/valve block	*BA32.22-P-1010-03F
		Model 223 Pressure line to air compressor/valve block	*BA32.22-P-1006-03F
		Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297 Air suspension pressure line to rear air spring	*BA32.25-P-1006-04O
		Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297 Air suspension pressure line at suspension strut at front	*BA32.25-P-1003-04O
		Model 294, 295 with code 489 (AIRMATIC Dual Control/semi-active air suspension) Model 296, 297 Compressed air lines to electropneumatic controller unit	*BA32.22-P-1004-03K
		Socket wrench bit	Fig 1
		Box wrench bit	Fig 4
		Box wrench bit	Fig 3
		Knife	Fig 2
11	Install in the reverse order.

AIR SUSPENSION

Number	Designation		Model 294	Model 295
BA32.22-P-1004-03K	Compressed air lines to electropneumatic controller unit	Nm	4	4

AIR SUSPENSION

Number	Designation		Model 296	Model 297
BA32.22-P-1004-03K	Compressed air lines to electropneumatic controller unit	Nm	4	4

AIR SUSPENSION

Number	Designation		Model 223
BA32.22-P-1006-03F	Pressure line to air compressor/valve block	Nm	3, 5

AIR SUSPENSION

Number	Designation		Model 223
BA32.22-P-1010-03F	Pressure line to front suspension strut/valve block	Nm	2

AIR SUSPENSION

Number	Designation		Model 223
BA32.22-P-1011-03F	Pressure line to rear suspension strut/valve block	Nm	2

SUSPENSION STRUTS

Number	Designation		Model 294	Model 295
BA32.25-P-1003-04O	Air suspension pressure line at suspension strut at front	Nm	2	2

SUSPENSION STRUTS

Number	Designation		Model 296	Model 297
BA32.25-P-1003-04O	Air suspension pressure line at suspension strut at front	Nm	2	2

SUSPENSION STRUTS

Number	Designation		Model 294	Model 295
BA32.25-P-1006-04O	Air suspension pressure line to rear air spring	Nm	2	2

SUSPENSION STRUTS

Number	Designation		Model 296	Model 297
BA32.25-P-1006-04O	Air suspension pressure line to rear air spring	Nm	2	2

Fig 1: Identifying Socket Wrench Bit (211 589 00 09 00)

Courtesy of MERCEDES-BENZ USA

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

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Box Wrench Bit (001 589 00 03 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Box Wrench Bit (000 589 75 03 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1002-03A	Leak detection spray	Christof Fischer GmbH http://www.kaeltefischer.de
BR00.45-Z-1003-03A	Snoop Leak detection fluid	Swagelok Company http://www.swagelok.com
BR00.45-Z-1004-03A	Leakage detection spray for USA	LIQUI MOLY http://www.liqui-moly.com
BR00.45-Z-1005-03A	Leak location spray LUBRION article no. 626.04	WIMMER CHEMOTECHNIK Riedener Weg 50B 82319 STARNBERG, BAVARIA Telephone: (08151) 739981 Fax: (08151) 739982 http://www.lubrion.com
BR00.45-Z-1006-03A	Leak detection spray for China	Wurth (China) Co., Ltd http://www.wuerth.cn