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How to Replace the Key Battery on the Mercedes Citan

Model: Mercedes Citan MK 1 - Years 2012-2020
Part: Key

To correctly replace the button battery inside your Mercedes Citan key (2012-2020), follow these simple steps. First, obtain a flat screwdriver and use it to open the cover, being careful not to apply excessive force that could damage it. Next, locate the button battery and remove it. Finally, insert the new battery and correctly reassemble the cover. Test the key to ensure it functions properly, and you are done.

Updated on 5 August 2026 by ScegliAuto

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