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Changing Mercedes C-Class Key Battery

Model: Mercedes Classe C W204 - Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Key

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Video tutorial

Changing the dead battery of the Mercedes C-Class key, let's see how to proceed. Take the car ignition key and pull out the metal key from the housing, then insert the screwdriver into the slot and press at the right point; a click will open the plastic cover of the key. Remove the exhausted battery and insert the new one, then close the key remote with the cover and finally insert the metal key. Use the buttons located above the key cover to check the functionality with the new battery; if it doesn't work, take it to a technician.


Updated on 15 March 2026 by ScegliAuto


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by ScegliAuto

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