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How to Replace the Key Battery on the Mercedes SLK

Model: Mercedes Slk R172, MK 3 - Years: 2011, 2012, 2013, 2014, 2015, 2016
Part: Key

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Video tutorial

If the key for your Mercedes SLK Mk2 has suddenly stopped working, don't worry as you just need to replace one or both of the button batteries inside. In this mini guide, we will discover how to do it. First, locate the button on the bottom of the cover and press it. At the same time, pull the emergency key out completely.

Now remove the battery holder and proceed to replace the used batteries with new ones (model ECR2025). Finally, reassemble everything correctly and you're done.


Updated on 31 July 2026 by ScegliAuto


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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.

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by ScegliAuto

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