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

Model: Mercedes Classe S W221, MK 5 - Years 2005-2013
Part: AdBlue warning light

When the AdBlue light appears on the dashboard, it means the amount of additive liquid in the system is insufficient. You can reset the light by refilling. Open the trunk and completely remove the trim panel at the base. Once removed, locate the protective cap to add the necessary amount of additive liquid. After installation, check that everything functions correctly.

Updated on 30 August 2026 by ScegliAuto

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How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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