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How to Replace the Key Battery for the Mercedes A-Class

Model: Mercedes Classe A W176 - Years 2012-2018
Part: Key

This replacement is not very intuitive, but it won’t give you much trouble if you follow this quick and simple tutorial, saving you money and time instead of having someone else do it. On the top of the key, where the ring is located, there is a black button that, when pushed, allows you to extract the car key. After extracting it, insert the key into the hole created above the black button and apply slight pressure. This will allow you to remove the black panel covering the battery. Now, simply take out the old battery and replace it with the new one.

Updated on 23 February 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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