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Resetting the AdBlue Refill Warning on a Mercedes-Benz C-Class

Model: Mercedes Classe C W205 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: AdBlue warning light

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Video tutorial

If your vehicle is equipped with AdBlue, it will notify you when the level is low. Here’s how to reset the warning on a Mercedes-Benz C-Class. First, refill the AdBlue tank using a jug or at a pump until full.

Then, connect your diagnostic software to the vehicle's OBD port to communicate with the ECU. Select the model and engine type, then reset the errors, specifically the AdBlue warning, following the video tutorial to the end!


Updated on 28 September 2026 by ScegliAuto


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by ScegliAuto

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