Check AIRmatic for leaks - AR32.22-P-8100EW

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MODEL 212 with CODE 488 (Steel/air suspension)

MODEL 212 with CODE 489 (AIRMATIC)

Shown on MODEL 212.0 with CODE 489 (AIRmatic), except CODE 460 (Canada version) and except CODE 494 (USA version)

Fig 1: Checking Airmatic For Leaks - Shown On Model 212.0 Vehicle With Code 489 (1 Of 3)

Courtesy of MERCEDES-BENZ USA

Vehicle with CODE 489 (AIRmatic)

Fig 2: Checking Airmatic For Leaks - Shown On Model 212.0 Vehicle With Code 489 (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 3: Checking Airmatic For Leaks - Shown On Model 212.0 Vehicle With Code 489 (3 Of 3)

Courtesy of MERCEDES-BENZ USA

	Notes on AIRmatic		AH32.22-P-1000-02EW
	Remove/install
1	Open engine hood and raise to vertical position	MODEL 212 with CODE 489 (AIRMATIC)
2	Remove cover (10) over suspension strut tower	MODEL 212 with CODE 489 (AIRMATIC)
3	Expose pressure reservoir (42) for leak test		AR32.22-P-2017EW
4	Create access to AIRmatic compressor (A9/1) for leak test		AR32.22-P-2001EW
5	Create access to AIRmatic valve unit (Y36/6) for leak test		AR32.22-P-2015EW
	Check
6	Check suspension strut pressure line connection (40a) on front suspension struts (40) using leakage spray for leaktightness	MODEL 212 with CODE 489 (AIRMATIC) Wait for approximately 10 to 15 minutes after spraying the leakage detection spray. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately. In the event of leaks: ↓ Repair affected suspension strut pressure line connection (40a).
			AR32.22-P-2001-02SX
		Pressure line to front suspension strut/valve unit	*BA32.22-P-1011-03E
		Socket wrench bit	Figure
		Knife	Figure
7	Raise vehicle using the vehicle lift and secure in place		AR00.60-P-0100EWS
8	Check pressure line connections on rear air springs (41) using leakage spray for leaktightness	Wait for approximately 10 to 15 minutes after spraying the leakage detection spray. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately. In the event of leaks: ↓ Repair affected pressure line connections.
			AR32.22-P-2001-02SX
		Pressure line to air suspension/valve unit	*BA32.22-P-1010-03E
		Knife	Figure
		Socket wrench bit	Figure
9	Check pressure line connections for pressure reservoir (42a) using leakage spray for leaktightness	Wait for approximately 10 to 15 minutes after spraying the leakage detection spray. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately. In the event of leaks: ↓ Repair pressure line connection for pressure reservoir (42a).
			AR32.22-P-2001-02SX
		Pressure line, pressure reservoir to pressure reservoir	*BA32.22-P-1008-03E
		Knife	Figure
		Socket wrench bit	Figure
10	Check pressure line connections on AIRmatic compressor (A9/1)	Wait for approximately 10 to 15 minutes after spraying the leakage detection spray. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately. In the event of leaks: ↓ Repair affected pressure line connection to AIRmatic compressor (A9/1).
			AR32.22-P-2001-02SX
		Pressure line to compressor/valve unit	*BA32.22-P-1007-03E
		Knife	Figure
		Socket wrench bit	Figure
11	Check pressure line connections to AIRmatic valve unit (Y36/6)	Wait for approximately 10 to 15 minutes after spraying the leakage detection spray. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately. In the event of leaks: ↓ Repair affected pressure line connection to AIRmatic valve unit (Y36/6).
			AR32.22-P-2001-02SX
		Pressure line to front suspension strut/valve unit	*BA32.22-P-1011-03E
		Pressure line to air suspension/valve unit	*BA32.22-P-1010-03E
		Pressure line, pressure reservoir to valve unit	*BA32.22-P-1009-03E
		Pressure line to compressor/valve unit	*BA32.22-P-1007-03E
		Socket wrench bit	Figure
		Knife	Figure
12	Install in the reverse order

AIR SUSPENSION

Number	Designation		MODEL 212
BA32.22-P-1007-03E	Pressure line to compressor/valve unit	Nm	3, 5 (±0, 5)

AIR SUSPENSION

Number	Designation		MODEL 212
BA32.22-P-1008-03E	Pressure line, pressure reservoir to pressure reservoir	Nm	5 (+0, 5)

AIR SUSPENSION

Number	Designation		MODEL 212
BA32.22-P-1009-03E	Pressure line, pressure reservoir to valve unit	Nm	2 (+0, 5)

AIR SUSPENSION

Number	Designation		MODEL 212
BA32.22-P-1010-03E	Pressure line to air suspension/valve unit	Nm	2 (+0, 5)

AIR SUSPENSION

Number	Designation		MODEL 212
BA32.22-P-1011-03E	Pressure line to front suspension strut/valve unit	Nm	2 (+0, 5)

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

Courtesy of MERCEDES-BENZ USA

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

Courtesy of MERCEDES-BENZ USA