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How to Remove the AdBlue Warning Light on a Mercedes S-Class?

Model: Mercedes Classe S W221, MK 5 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: AdBlue warning light

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Video tutorial

If the AdBlue warning light is on in the instrument cluster of your Mercedes S-Class, it means that the fluid level in the emissions system is too low and needs to be refilled. This is a very simple operation; let’s see how to proceed in this tutorial.

First, purchase a jug of urea from an auto parts store, then turn off the engine, open the trunk, and remove the spare tire. Next, unscrew the indicated cap, insert the jug's nozzle into the hole, and add the necessary amount of fluid.


Updated on 24 September 2026 by ScegliAuto


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by ScegliAuto

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