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How to Replace the Auxiliary Battery in a Mercedes GL?

Model: Mercedes Gl X166, MK 2 - Years 2012-2019
Part: Battery

In this tutorial, see how to replace the auxiliary battery in a Mercedes GL, an extremely simple and quick operation. First, ensure that the key is not inserted, then open the boot lid, lift the floor cover, and remove both the tool kit and the spare wheel. Next, remove the lower cover of the compartment by unscrewing the two indicated screws, lift the carpet, and disconnect the battery power terminals. At this point, simply unscrew the bolt of the mounting bracket, insert the replacement, and reassemble everything by following the reverse procedure.

Posted on 13 March 2026 by ScegliAuto

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