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Frequently asked questions about cars and motorcycles

How to Reset the "Service" Light on a Mercedes A-Class?

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

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Video tutorial

To reset the "Service" light on a Mercedes A-Class, turn on the ignition without starting the engine. Use the controls on the steering wheel to navigate the onboard computer menu.

Look for and select the maintenance option. Follow the instructions that appear on the display to perform the reset.

Press and hold the indicated button until the reset is complete and the light turns off. This procedure ensures that the maintenance monitoring system of your Mercedes A-Class is updated and that the service reminder has been correctly reset. Make sure you have completed the required service before performing this procedure.


Updated on 15 October 2026 by ScegliAuto


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