Description:

Noisy suspension? Is your vehicles air suspension rising slowly or perhaps failing to rise at all? Vehicle stuck at Level 1. Failing to progress through Levels 2,3,4. Suspension error light showing. Yellow suspension error light lit?. VEHICLES AFFECTED: Mercedes E Class 2002-2009 (w211) Associated part numbers, our kit will only repair Wabco compressors. A2113200304 Wabco: 415 403 303 0, 415 403 112 0.. THE CAUSE: The piston ring within your vehicles EAS air compressor is worn reducing output significantly. The poor quality piston ring within your air suspensions compressor wears over time causing these symptoms. The piston ring within the compressor unit of your air suspension system deteriorates over time, the OEM piston ring is made from a soft plastic that wears quickly, this wear substantially reduces the output of your compressor leading to noisy, slow rising or non-rising suspension.. THE SOLUTION: Fit our improved design PTFE piston ring and restore your compressor to full health! Simply install our replacement PTFE piston ring and restore your compressor, full instructions are included to guide you through this simple process which should take under 30 minutes. Our item is made from PTFE which has far superior wear resistance compared to the OEM part providing a permanent fix to the problems with your compressor..