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How to Replace the Remote Battery on a Mercedes?

Model: Mercedes Mercedes Various
Part: Key

In this tutorial, you will see how to replace the remote battery on a Mercedes car, applicable to many models from the German manufacturer produced since 2009. First, extract the emergency metal key using the designated upper button, then, using the tip of the key itself, lever in the indicated slot to unlock the rear cover. Once fully opened, proceed to replace the discharged battery with a CR2025 type replacement, ensuring it is positioned with the positive pole facing upwards.

Updated on 8 May 2026 by ScegliAuto

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