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Replace Mercedes E Remote Key Battery

Model: Mercedes Classe E W212 - Years 2009-2016
Part: Key

Want to replace the battery in your Mercedes key? Let's see how to disassemble the E-Class key to replace the battery. Take your remote and press the button to release the rear cover. Once the cover is removed, you can extract the battery holder. Remove the battery holder from its housing. Take a new battery of the same size and voltage and install it in its housing. Close the key with the plastic cap. Finally, check the key's functionality by unlocking the doors.

Updated on 3 May 2026 by ScegliAuto

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