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Frequently asked questions about cars and motorcycles

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

Model: Mercedes Classe C W204 - Years 2007-2013
Part: Service warning light

To reset the Service light on the Mercedes-Benz C-Class, turn the key to the ON position to activate the instrument cluster. Then, press and hold the OK button and the call answer button on the steering wheel spokes. While holding these buttons, a menu will open, where you can navigate using the steering wheel controls, selecting "ASSYST PLUS": then select "Full service" and "Conf. Full service". When the confirmation message appears, select "Yes", and the Service light will disappear from the instrument cluster.

Updated on 24 June 2026 by ScegliAuto

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