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Frequently asked questions about cars and motorcycles

How to Replace the Key Fob Battery of the Mercedes-Benz A-Class?

Model: Mercedes Classe A W177 - Years 2018-2026
Part: Key

Replacing the key fob battery of the Mercedes-Benz A-Class, as shown in this tutorial, is an extremely simple and quick task. To do this, you will only need a replacement CR2032 battery. First, remove the emergency key by pressing the button on the back, then pry off the plastic cover by pushing it outward. Once done, you can pull out the drawer where the battery is located and proceed with its replacement, making sure to respect the polarity. Finally, reassemble everything by following the reverse procedure.

Updated on 8 August 2026 by ScegliAuto

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How to Replace the External Wing Mirror on a Ford C MAX

In the event of a breakage, it will be necessary to replace the external wing mirror on the 2011 Ford C MAX. This operation is easily performed independently. Start by removing the internal cover of the mirror with a plastic lever. Then, use a socket wrench to remove the securing pins. Once the pins are removed, you can take off the mirror, but not before disconnecting the power connectors. Then proceed to fit the new mirror. First, connect the connectors and then secure the mirror to its housing with the pins. Refit the plastic cover and test the operation of the electric mirror using the controls.

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