Mercedes-Benz AMG E43 2017–2023 — technical service bulletin

Bulletin LI32.30-P-079405 · NHTSA communication 11020694 · issued Jul 11, 2025

Technical service bulletin

communication type

Suspension

component

2017–2023

model years

vehicle entries

Official summary

Complaint Vehicle lifts and lowers again while driving. Cause Moisture may collect in the compressor of the air suspension over its lifetime, which can result in corrosion. Corrosion can result in reduced compressor performance or be deposited on the valve seats of the valve block and subsequently result in internal micro leakages. Remedy Update software for air suspension compressors as of 08/2022 or vehicles produced after 08/2020. Updated software removes moisture from the system by lifting and lowering the vehicle level maximum +/- 10 mm while driving. The process is not a cause for compla

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.