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How to reset the service indicator on the Mercedes GL?

Model: Mercedes Gl X166, MK 2 - Years 2012-2019
Part: Service warning light

In this tutorial, we can see how to reset the service in the Mercedes GL, an extremely simple and quick operation, to be carried out only once all scheduled maintenance work has been completed. First of all, let's go inside the car, then insert the key and turn on the instrument panel. Next, reach the screen showing the odometer, hold down the call button along with the "OK" button, and, in the menu that appears, select "ASSYST PLUS". At this point, all that remains is to enter "Full Service", "Conf. Full Serv.", and confirm the reset.

Posted on 7 October 2025 by ScegliAuto

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