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

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

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 side spokes of the steering wheel. While holding both buttons, a menu will appear. Use the steering wheel controls to navigate and select "ASSYST PLUS". Then, choose "Full service" and "Conf. Full service". When the confirmation message appears, select "Yes" to completely turn off the Service light.

Updated on 8 September 2026 by ScegliAuto

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