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

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

From the display of the Mercedes A-Class, you can clear the Service light by turning on the instrument cluster and navigating through the menu using the directional arrows on the steering wheel controls. You need to select the icon with two wrenches and then select the ASSYST PLUS option. Next, the option to select will be FULL SERVICE, and as you proceed, you will need to select the oil quality based on what was used for the change. Then a screen will appear asking if you want to confirm the operation: by selecting "Yes," the Service light will be cleared.

Posted on 6 April 2026 by ScegliAuto

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