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

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

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

Posted on 9 September 2026 by ScegliAuto

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