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

Model: Mercedes Classe C W204 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Service warning light

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Video tutorial

To reset the Service light on a Mercedes C-Class, turn the key to the "On" position to activate the instrument cluster. Then, press and hold the OK button and the button for answering calls on the steering wheel spokes.

While holding these buttons, a menu will appear, and you will navigate using the steering wheel controls to select "ASSYST PLUS". Next, select "Full service" and "Conf. Full service". When the confirmation message appears, select "Yes" to reset the Service light.


Updated on 4 October 2026 by ScegliAuto


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