The cost of the W465 AMG Performance Steering Wheel can vary depending on several factors such as the specific model year, the materials used (e.g., Alcantara, leather, or carbon fiber), and whether it is purchased as part of a performance package or as a standalone accessory. Generally, for high-end performance parts like this one, you can expect the price to range from approximately $1,500 to $3,000 USD.

Here are a few factors that could influence the price:

1. Material Choice: Steering wheels with premium materials such as carbon fiber, Alcantara, or leather typically cost more.
2. Customization: Custom stitching, trim, or personalized elements may increase the price.
3. Dealer vs. Aftermarket: Purchasing directly from Mercedes-Benz or through an authorized dealership might be more expensive than aftermarket options.
4. Location and Availability: Prices can vary based on the region or market, as well as the availability of the specific part in your area.
5. Inclusions: The steering wheel may come with additional features like paddle shifters or integrated controls, which could affect the cost.

For the most accurate and up-to-date pricing, it's advisable to contact your local Mercedes-Benz dealership or look for authorized suppliers of genuine AMG parts.