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Frequently asked questions about cars and motorcycles

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

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

To reset the Service light on a Mercedes A-Class, turn on the ignition. Then, navigate through the menu using the arrow buttons on the steering wheel. Select the icon with two wrenches, then choose the ASSYST PLUS option. Next, select FULL SERVICE, and proceed to choose the oil grade based on what was used for the replacement. A screen will appear asking for confirmation: selecting "Yes" will make the Service light disappear from the dashboard.

Updated on 18 August 2026 by ScegliAuto

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