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

Model: Mercedes Classe A W177 - Years 2018-2026
Part: Service warning light

In this tutorial, you will see how to reset the service on a Mercedes A-Class, a very simple and quick operation to perform only after completing all scheduled maintenance tasks. First, go inside the cabin, then insert the key and press the start button once. Next, press and hold both the "Back" button and the "OK" button for at least 5 seconds, navigate to the general menu, and enter "Workshop". Then, select "ASSYST PLUS", turn on the instrument cluster, enter "Full Service", and perform the reset by selecting the type of oil used from the list.

Posted on 1 July 2026 by ScegliAuto

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