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Frequently asked questions about cars and motorcycles

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

Model: Mercedes Classe C W205 - Years 2014-2021
Part: Service warning light

To reset the Service light on a Mercedes C-Class, press the button to turn on the instrument cluster, then hold down the OK button and the button for answering calls on the side spokes of the steering wheel. While holding these buttons, a menu will open, allowing you to navigate using the steering wheel controls. Select "ASSYST PLUS": then choose "Full service" and "Conf. Full service". When the confirmation message appears, select "Yes", then turn off the instrument cluster to confirm.

Updated on 20 September 2026 by ScegliAuto

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