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How to Replace the Remote Battery on a Mercedes B-Class?

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

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Video tutorial

If the battery in the remote for the Mercedes B-Class is flat and needs replacing, follow this video tutorial that shows how to proceed; it is a very simple and quick operation. First, slide the small button down and extract the metal emergency key. Using the same key, open the rear cover of the remote by inserting it into the slot indicated in the video and lever it open.

Once the cover is slightly lifted, you can completely remove it by hand. At this point, proceed to replace the battery with an equivalent model, namely CR2025.


Updated on 28 April 2026 by ScegliAuto


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To reset the tyre pressure warning light on the Kia Niro EV, inflate the tyres until they reach the correct pressure value. This value is indicated on the sticker attached to the driver's door pillar. Once the tyres are inflated, turn on the instrument cluster to check that the warning light has completely disappeared from the display. If it is still present, you may need to drive for a few miles to ensure it disappears completely from the screen.

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by ScegliAuto

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