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How to replace the remote battery in the Mercedes S-Class?

Model: Mercedes Classe S W222, MK 6 - Years 2013-2020
Part: Key

To replace the battery in the Mercedes S-Class remote, slide the key out from its housing located at the top of the remote. Once the key is removed, leverage it in its housing to detach the cover on the back of the device. Underneath, you will find the battery, which needs to be removed from its slot to insert the new one. After installing the new battery, close the remote and verify that it functions correctly.

Updated on 30 August 2026 by ScegliAuto

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