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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

To completely clear the Service light displayed on the instrument cluster of the Mercedes A-Class, activate the instrument cluster and navigate through the menu using the directional arrows on the steering wheel controls. Then select the icon with two wrenches and also choose the "ASSYST PLUS" option. At this point, select the "FULL SERVICE" option, and proceed to identify the oil quality based on what was used for the change. A screen will then appear asking whether to confirm the operation: by selecting "Yes", the Service light will be eliminated.

Posted on 29 April 2026 by ScegliAuto

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