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How to Reset the Service Light on a 2021 Mercedes-Benz 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

Today, you will learn how to reset the service light on a 2021 Mercedes-Benz A-Class. This tutorial is applicable to all Mercedes vehicles produced from 2021 onward.

The first step is to turn on the ignition. The second step is to press the HOME button for 10 seconds.

The third step is to press the OK button for 5 seconds. The fourth step is to scroll through the menu and select "ASSYST PLUS." The fifth step is to select "FULL SERVICE." Once the reset is complete, return to the main menu and restart the instrument cluster.


Updated on 5 November 2026 by ScegliAuto


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How to Open the Bonnet on the Mitsubishi L200?

In this tutorial, you will see how to open the bonnet on the Mitsubishi L200, a very simple operation that follows the standard procedure. First, open the vehicle and go to the driver's side, then locate the lever at the lower outer area, just in front of the pedals, and pull it. Next, position yourself in front of the bonnet, locate the second lever above the Mitsubishi logo, and push it to the right, releasing the latch. At this point, you can fully lift the bonnet and secure it with the prop rod.

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by ScegliAuto

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