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How to deactivate the airbag warning light on the Mercedes Class B?

Model: Mercedes Classe B W246, MK 2 - Years 2011-2019
Part: Warning light – error code

This guide shows how to reset the malfunction warning light for the airbag on the Mercedes Class B. First, get in the vehicle and connect your diagnostic tool to the OBD port; then turn on the instrument panel to allow the software to connect with the engine control unit, as shown in the video. At this point, select the vehicle brand and check for existing errors, confirming and executing the reset of the airbag warning light; you will see the warning disappear from the instrument panel!

Updated on 22 September 2026 by ScegliAuto

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