Some Mercedes-Benz S430 owners report experiencing vibrations after replacing the Airmatic pump, which may be attributed to several factors. These owners often notice that if the air pump runs every morning, it could indicate an air leak in the system, as the struts may leak air overnight, prompting the pump to refill the reserve air tank in the morning. Additionally, rotted motor mounts can contribute to vibrations, particularly at high engine RPMs or highway speeds, highlighting the importance of ensuring their condition. Other reported issues include problems with the drive shaft, such as dings or damaged rubber couplers, which can also lead to vibrations. Some owners find that a blown fuse for the air compressor pump can cause similar issues; while replacing the fuse may provide a temporary fix, recurring blown fuses may signal a deeper problem with the air compressor or motor. Furthermore, malfunctions in the air suspension control units can lead to inconsistent ride heights and dashboard warning lights, often due to electronic glitches. Lastly, vibrations during idling may suggest the need for new spark plugs, as bad plugs can cause engine vibrations. Addressing these potential issues systematically is crucial for diagnosing and resolving vibration problems effectively.
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