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Where is the Auxiliary Battery Located on a Mercedes B-Class?

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

See other generations:
Video tutorial

In this video, we will see where the auxiliary battery is located in a Mercedes B-Class. There is a yellow warning light on the dashboard regarding the battery, indicating a problem and that it is charging.

When the light turns green, it will be fully charged. Meanwhile, the YouTuber shows us where the auxiliary battery is situated: it is under the front passenger mat. Lift the mat, then the cover, and underneath you will find the auxiliary battery, which can easily be replaced with a new one found on Amazon or from a Mercedes dealer.


Updated on 27 August 2026 by ScegliAuto


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    Frequently Asked Questions

    • Classe B 2005-2011 - Where is the battery of the Mercedes B-Class W245 located? Read answer

How to Reset the Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

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by ScegliAuto

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