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How to replace the battery of the Mercedes S-Class key

Model: Mercedes Classe S W223 - Years 2020-2026
Part: Key

The steps to replace the battery of the 2021 Mercedes S-Class key are: -press the gray button on the back of the remote; -remove the emergency key; -insert the emergency key into a small hole and open the remote; -remove the battery cover and extract the old battery; -insert the new battery and close the cover; -close the remote; -insert the emergency key back into the remote; once completed, we can go near the vehicle and test the key's functionality. If the key does not work, it may be necessary to reprogram it.

Posted on 3 November 2024 by ScegliAuto

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