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Frequently asked questions about cars and motorcycles

How do you reset the AdBlue warning light on the Mercedes C-Class?

Model: Mercedes Classe C W205 - Years 2014-2021
Part: AdBlue warning light

To reset the AdBlue warning light on the Mercedes C-Class, you need to add the necessary amount of additional fluid to the dedicated tank: this can be accessed by opening the fuel cap located at the rear of the car. Once the fuel cap is open, you can unscrew the blue cap located there so that the required amount of additional fluid can be added; once the top-up is complete, you can verify that everything is working correctly.

Posted on 13 March 2025 by ScegliAuto

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