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Resetting the AdBlue Warning Light on the Mercedes GLC

Model: Mercedes Glc C253, X253, MK 1 - Years: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Part: AdBlue warning light

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Video tutorial

This guide will show you the steps to reset the AdBlue warning light on the Mercedes GLC. Before resetting the AdBlue light, you must refill with the new fluid until you reach the maximum level indicated on the settings display from the onboard computer, as shown in the video.

At this point, use the appropriate diagnostic software to perform the reset of the AdBlue light via computer; once the operation is complete, turn off the instrument cluster and start the engine, checking that the light has been reset.


Updated on 1 September 2026 by ScegliAuto


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