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How to locate the fuses in a Mercedes-Benz B-Class

Model: Mercedes Classe B MK 1, W245 - Years: 2005, 2006, 2007, 2008, 2009, 2010, 2011
Part: Fuse box

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Video tutorial

To locate the fuses in a Mercedes-Benz B-Class, turn off the engine and all electrical devices. One of the main fuse boxes is located in the cabin, on the passenger side floor.

To reach it, slide the seat back and lift the floor covering, then remove the protective cover of the box. Another fuse box is present in the engine bay, near the battery, and is protected by a dedicated cover. To identify the relevant fuse, consult the assignment diagram on the cover or in the vehicle manual.

The diagram indicates the position, amperage, and function of each fuse, making it easier to locate the component to check or replace. Before performing any work, always ensure to use a fuse with the same amperage rating as the original.


Posted on 22 August 2026 by ScegliAuto


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