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How to Replace the Key Battery for the Mercedes W205

Model: Mercedes Classe C W205 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: Key

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Video tutorial

To replace the battery inside your Mercedes C-Class W205 key, follow this step-by-step guide. You only need a new CR2025 button battery.

Start by taking the car key, then remove the emergency key from inside the cover and use it to take apart the cover. Next, locate the dead battery and replace it with the new one. Once done, reassemble the protective cover, and the procedure is successfully completed.


Posted on 9 February 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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