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

Model: Mercedes Classe A W176 - Years 2012-2018
Part: Service warning light

Inside the Mercedes A-Class, reset the Service light by turning on the instrument cluster and navigating through the menu using the directional arrows on the steering wheel controls. Select the icon with the wrench, then choose the ASSYST PLUS option. Next, select FULL SERVICE, and proceed to choose the oil quality based on what was used for the oil change. This will bring up a screen asking if you want to confirm the operation: selecting "Yes" will completely reset the Service light.

Updated on 20 August 2026 by ScegliAuto

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