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How to Replace the Auxiliary Battery in a Mercedes CLA?

Model: Mercedes CLA C117, X117 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Battery

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Video tutorial

In this tutorial, you will see how to replace the auxiliary battery in a Mercedes CLA, a very simple and quick operation. First, ensure that the key is not inserted for safety.

Then, position yourself in the passenger seat, grab the carpet from the edge, and lift it. Next, remove the indicated plastic cover by unlocking the retaining clips, disconnect both terminals starting with the negative, and pull the battery out of the housing.

At this point, just insert the replacement and reassemble everything.


Updated on 3 October 2026 by ScegliAuto


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