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How to Refill AdBlue in the Mercedes A-Class

Model: Mercedes Classe E W212 - Years 2009-2016
Part: AdBlue warning light

AdBlue is necessary for vehicles equipped with a Diesel engine, and it is also found in the Mercedes A-Class. After driving several miles, it is necessary to refill the corresponding tank to ensure a very low level of emissions in line with all current regulations. To refill AdBlue, turn off the engine and go to the rear of the vehicle. Lift the rear hood and remove the fabric cover. Then, unscrew the blue cap you see right underneath and proceed to pour the liquid inside, using a funnel or a rubber hose. When finished, screw the cap back on and replace the cover you removed earlier.

Updated on 6 May 2026 by ScegliAuto

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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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by ScegliAuto

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