Mercedes-Benz S430 Airmatic strut failure with symptoms of car sitting lower, especially in winter on Mercedes-Benz S430

Submitted by Nlkuhn · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mercedes-Benz S430 owners report experiencing Airmatic strut failure, evident by the vehicle sitting lower than usual, particularly during winter months. This issue may also manifest through handling difficulties or poor responsiveness while driving. Cold temperatures can exacerbate the air suspension system's problems, leading to strut failure, while factors such as air line leaks, compressor failures, or valve block malfunctions can contribute to the lowered stance. Owners are advised to have the Airmatic system inspected by a qualified mechanic if they notice these symptoms, as diagnostic tools can pinpoint the specific issues within the struts, compressor, or air lines. Repair solutions may involve replacing faulty struts, addressing air leaks, or repairing the compressor and valve block. Timely maintenance and repairs are crucial to restore the Airmatic system's functionality and prevent further suspension damage.

5 people reported this problem
2 comments
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Mercedes-Benz S430 vehicles with this problem

1 model year affected
Average mileage: 126,750 miles
(81,500 - 172,000)

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