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Replacing the Key Fob Battery for the Mercedes SLK

Model: Mercedes Slk MK 2, R171 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Part: Key

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Video tutorial

Today's guide shows you how to remove and replace the battery in the key fob for the Mercedes SLK in simple and quick steps. First, take your key fob and start by removing the physical key from inside it; then remove the battery tray, taking out the battery inside, as shown in the video.

At this point, insert the new battery of the correct type and with the same code, ensuring it is inserted the right way; then reassemble the tray onto the fob and finally the physical key, applying the reverse procedure!


Updated on 20 August 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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