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How to Remove the AdBlue Warning Light in the Mercedes E-Class?

Model: Mercedes Classe E W213 - Years: 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
Part: AdBlue warning light

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Video tutorial

If the AdBlue warning light is on in the instrument cluster of your Mercedes E-Class, it means you need to refill the emissions fluid as it has reached the minimum level. This is a very simple and quick operation; let's see how to proceed in this tutorial.

First, purchase a 2.6-gallon jug of fluid at any auto parts store, then open the fuel door and unscrew the small blue cap on the left. Next, insert the jug's nozzle into the opening, add the necessary amount of fluid to reach the maximum level, and drive a few miles.


Updated on 24 July 2026 by ScegliAuto


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How to Replace the Glow Plugs in the Fiat Ducato 2.3 Multijet?

Glow plugs, as the name suggests, raise the temperature of the engine in diesel vehicles to allow for easier starting. The manufacturer, in this case, Fiat for the Ducato 2.3 Multijet, specifies how often they should be replaced, and a warning light will illuminate when it's time. This work is carried out under the bonnet. First, remove the upper engine cover, then lift the coil and, using a socket wrench of the appropriate size, unscrew the glow plug to remove it from the base, followed by installing the new one.

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by ScegliAuto

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