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How to reset the airbag control unit of the Mercedes A-Class.

Model: Mercedes Classe A W177 - Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Airbag

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Video tutorial

The information provided in this guide will show us how to reset the airbag control unit of the Mercedes A-Class. To perform the airbag reset, a specific diagnostic tool is required, which must be connected to the OBD port of the control unit; if there are warning lights indicating a malfunction, it is essential to identify the cause and resolve the issue before proceeding with the reset.

The video demonstrates the step-by-step procedure to reset the airbag control unit, ensuring that the parameters are within the correct operating range.


Posted on 16 December 2025 by ScegliAuto


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