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

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

Inside the Mercedes-Benz C-Class, you can reset the Service light by turning the ignition key to the ON position. Once the dashboard lights up, press the button with the house icon located on the right side of the steering wheel, then select "ASSYST PLUS". By turning the key, you can select "Full service" and finally "Confirm service": this will make the Service light disappear from the dashboard. You can completely turn it off by turning the ignition key in the opposite direction.

Updated on 30 August 2026 by ScegliAuto

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