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How to Replace the Key Battery on the Mercedes-Benz A-Class W176

Model: Mercedes Classe A W176 - Years: 2012, 2013, 2014, 2015, 2016, 2017, 2018
Part: Key

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Video tutorial

Replacing the button battery inside the key of your 2012-2018 Mercedes-Benz A-Class W176 is very simple. By following these steps, you will complete the operation without any difficulty.

First, remove the physical emergency key from the cover and then use it to detach the cover itself. Once done, remove the old battery and replace it with a new one (model 2025). Finally, reattach the previously removed back cover correctly and insert the emergency key back inside.


Updated on 10 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 Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

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