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Change the Remote Battery on the Mercedes A-Class W169

Model: Mercedes Classe A W169 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Part: Key

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Video tutorial

Today, you will learn how to disassemble and replace the battery in the key remote for the Mercedes A-Class W169, as well as the C-Class and B-Class. First, take your remote and remove the physical key from inside by sliding it out. Then, use a sharp object to open the back cover of the remote and access the battery, as shown in the video.

At this point, you can remove and replace the battery with a new one of the correct type (in this case, a CR 2032 3V), making sure to insert it in the correct orientation!


Updated on 23 April 2026 by ScegliAuto


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by ScegliAuto

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