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How to Reset the Service Light on a 2020 Mercedes-Benz S-Class

Model: Mercedes Classe S W222, MK 6 - Years 2013-2020
Part: Service warning light

The procedure to reset the service light on a 2020 Mercedes-Benz S-Class is very simple and quick. The first step is to get in the vehicle, insert the key to turn on the instrument cluster, and press the OK button and the call end button on the steering wheel to access the menu. The second step is to press the down arrow button to scroll to the "Assistance Plus" option. Press the OK button and then select the "Full Service" option. Finally, press the "Confirm Service" option to reset the light. Turn off the instrument cluster for further confirmation of the reset.

Updated on 16 August 2026 by ScegliAuto

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