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How to Replace the Key Fob Battery in a Mercedes Benz A-Class

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

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Video tutorial

Replacing the battery in the key fob of a Mercedes Benz A-Class is a very simple operation that can be done in a few steps on your own. Start the battery replacement by extracting the emergency metal key from the fob; to do this, pull firmly on the top part of the fob. Once the metal key is removed, insert it into the central part of the fob to open it. After opening it, remove the worn battery and insert a CW2032 3 V battery.

Now, just close the fob.


Updated on 18 August 2026 by ScegliAuto


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    Frequently Asked Questions

    • Classe A 2012-2018 - Why is my Mercedes A-Class W176 key not recognized? Read answer

How to reset the tyre pressure warning light on the Kia Niro EV?

To reset the tyre pressure warning light on the Kia Niro EV, inflate the tyres until they reach the correct pressure value. This value is indicated on the sticker attached to the driver's door pillar. Once the tyres are inflated, turn on the instrument cluster to check that the warning light has completely disappeared from the display. If it is still present, you may need to drive for a few miles to ensure it disappears completely from the screen.

Watch the video!


by ScegliAuto

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