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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

Let's see how to reset the service light on a Mercedes A-Class W177: turn on the instrument cluster and the central display by pressing the "start" button. Press the "home" button and navigate to the far left, which is the service tab. Here, select the icon with the wrench, confirming with "ok". Access the "assyst plus" menu: a message will show the kilometers and days remaining until the next service: select the option to "reset the service". A dialog box will appear asking: "Are you sure you want to reset the service data?" select "yes". Verify by turning off the car and turning on the ignition again to see if the light has turned off.


Posted on 24 April 2026 by ScegliAuto


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by ScegliAuto

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