mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Suspension - Hissing Noise From Airmatic Compressor|Page 14497 > < Suspension - 'AIRMATIC' Service Required Displayed/DTC's|Page 14492
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Compressor/Pump: All Technical Service Bulletins
Suspension - Hissing Noise From Airmatic Compressor

Date: June 16, 2008

Order No.: T-B-32.22/65

Supersedes:

Group: 32

SUBJECT:
Model 164.122/172/175/177/186/822/871/886
Model 251.122/156/165/175/177

Discharge Noise from Airmatic Compressor

If you receive customer reports in the above model vehicles of an excessively loud hissing noise from the air discharge of the Airmatic compressor,
install a damping mat and modified intake hose to resolve. Please ensure to observe the following notes when installing the damping mat and intake hose.

1.

Install damping at in proper location. See Figures 1, 2 or 3 for specific model locations.

2.

Route the modified intake hose from the compressor upwards to the damping mat. See Figure 1, 2 or 3 above for specific model routings.

Suspension - Hissing Noise From Airmatic Compressor|Page 14497 > < Suspension - 'AIRMATIC' Service Required Displayed/DTC's|Page 14492