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How to Reset the Service Light on a Mercedes S-Class W222

Model: Mercedes Classe S - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
Part: Service warning light

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Video tutorial

Let's see how to reset the service light on a Mercedes S-Class W222: first, grab the ignition button and pull it out from the dashboard. Insert the physical key into the now accessible slot and turn the key to position "1" (this means the electronics are on but the engine is off). On the steering wheel, press and hold the "ok" button on the left and the call/phone button on the right simultaneously for about 5 seconds.

Release when the dashboard display shows the "vehicle data" or "assyst plus" menu. Press "ok" to select, then choose "full service"; scroll to "confirm service" and press "ok": select "yes" to confirm that the service has been performed, press "home" to return to normal display, and you're done.


Posted on 20 October 2026 by ScegliAuto


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by ScegliAuto

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