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How to Replace a Mercedes Key Battery

Model: Mercedes Classe E W212 - Years: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Part: Key

See other generations:
Video tutorial

To perform this operation, you will only need a little skill in opening your remote. You need to press the button next to the keyring to extract the metal key from the remote.

Once removed, you can use it as a tool to continue opening the remote. Insert the key into the slot next to the hole where you extracted the key to remove the panel covering the battery.

Now, just replace the battery and retrace your steps for reassembly.


Updated on 24 February 2026 by ScegliAuto


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by ScegliAuto

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