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How to reset the AdBlue warning light without a diagnostic tool

Model: Mercedes Vito MK 3, W447 - Years 2014-2024
Part: AdBlue warning light

In this video we see that our youtuber tried a homemade method to solve the problem of the AdBlue sensor that kept reading a low level of AdBlue, even after refueling, and therefore still showed the error message "add AdBlue, low level". In practice, the urea crystallizes and forms a kind of seal around the flaps and closes them, so the sensor no longer detects the addition of the additive. Of course, this - which boils down to blowing into it with force through a curved tube - is not a definitive solution, but at least it serves to make the sensor read that the AdBlue has been added, and turn off the warning light.

Posted on 29 May 2024 by ScegliAuto

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by ScegliAuto

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