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Fuse Diagram for a Mercedes B-Class W246

Model: Mercedes Classe B MK 2, W246 - Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Fuse box

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Video tutorial

This useful video guide shows you precisely all the fuse and relay diagrams found within a Mercedes B-Class, model W246, produced from 2011 to 2019. These diagrams indicate the operating amperage, the name, and the location of each individual relay and fuse.

You will also see the position of the two fuse boxes.

The first box is located under the passenger footwell; to access it, remove the mat and the protective cover. The second box can be found in the engine compartment on the right, as shown in the video.


Updated on 23 September 2026 by ScegliAuto


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by ScegliAuto

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