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

Model: Mercedes Classe C - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: Service warning light

See other generations:
Video tutorial

Insert the key to activate the instrument cluster. Then, press and hold the OK button and the button to answer phone calls on the steering wheel spokes.

This will start the reset procedure for the Service light on the Mercedes-Benz C-Class. While holding the two buttons, a menu will appear, 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", and then turn off the instrument cluster at the end.


Posted on 30 October 2026 by ScegliAuto


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