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How to reset the AdBlue warning light on the Mercedes M-Class?

Model: Mercedes Classe M W166 - Years 2011-2018
Part: AdBlue warning light

To reset the AdBlue warning light on the Mercedes M-Class, you need to top up by adding the necessary amount of additive liquid into the designated tank: to do this, open the fuel flap located at the rear right of the vehicle. Once opened, you will find the blue cap underneath, which must be unscrewed: this will allow you to insert the required amount of AdBlue liquid into the tank. After this, you can turn on the ignition to check that the warning light is off.

Updated on 19 September 2026 by ScegliAuto

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How to Replace the Cabin Filter on the Opel Grandland X

If you own an Opel Grandland X and want to know the steps to replace the cabin air filter, carefully read the following guide and follow the described steps. First, enter the vehicle and go to the passenger side. Then, locate the box containing the air filter in the lower side area of the dashboard. Remove the cover of the box and finally replace the old filter with the new one. Refit the cover, and you are done.

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