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How to change the battery in the key fob of a Mercedes GLC 300

Model: Mercedes Glc C253, X253, MK 1 - Years 2015-2022
Part: Key

If you plan to replace the battery inside your Mercedes GLC 300 key fob yourself, follow the steps in this guide carefully to complete the operation without issues. First, purchase a new CR2032 battery, then take the car key and remove its back cover using a flathead screwdriver or the emergency key contained within the cover itself. Next, slide the old battery out from the side and replace it with the new one. Reattach the back cover, and you are done.

Posted on 8 June 2026 by ScegliAuto

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