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How to Replace the Key Shell of the Mercedes A-Class

Model: Mercedes Classe A W169 - Years 2004-2012
Part: Key

Perform this procedure without damaging any component of the key to extract the chip. Start by removing the simpler parts until the internal chip of the key is clearly visible. To extract it, follow the steps shown in the video to avoid damaging the key parts. You will need a flathead screwdriver to work on the bottom of the key. Then, follow the steps indicated in the video and retrace the steps described for reassembling the shell.

Updated on 26 February 2026 by ScegliAuto

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How to Connect the Cables to the Battery of the Citroen Xsara Picasso?

In this tutorial, you will see how to connect the cables to the battery of the Citroen Xsara Picasso, useful if you need to recharge it or perform an emergency start. First, ensure the key is not inserted, then open the bonnet and move to the front of the left headlamp. Next, locate the bolt just behind the filter box and connect the positive terminal clamp to it. Now you can connect the negative terminal to any point on the chassis, such as the indicated point. Once the operation is complete, ensure you disconnect the negative first and then the positive.

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