Mercedes-Benz AMG C43 2024–2026 — technical service bulletin

Bulletin OTA - 20250905 · NHTSA communication 11022819 · issued Sep 5, 2025

Technical service bulletin

communication type

Electrical System

component

2024–2026

model years

vehicle entries

Official summary

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, there is a new software release for the MBUX Infotainment system. An OTA update will enhance both functionality and entertainment features. The update introduces Dolby Atmos support for in-car apps, improvements to the MBUX calendar app, and the launch of MBUX SOUND DRIVE. To deliver a better music streaming experience, new apps will be installed and existing integrations with online streaming providers will be removed. Each provider will now require a separate app, which will be inst

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.