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How to Replace the Remote Battery for the Mercedes C-Class?

Model: Mercedes Classe C W204 - Years 2007-2013
Part: Key

If the battery in the remote for the Mercedes C-Class is dead, replacing it is a very easy and quick task. You will need a replacement battery model CR2025 and a flathead screwdriver. As shown in the attached video tutorial, start by pressing the small top button and removing the emergency key. Insert the screwdriver tip into the slot just freed, as shown in the video, and unlock the rear cover. Once opened, proceed to replace the battery, ensuring the correct polarity.

Updated on 29 April 2026 by ScegliAuto

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