Imagine owning a luxury Mercedes Maybach designed by NBA superstar LeBron James himself. Many consider him as the GOAT.Well, that opportunity is coming later this month, but it certainly won't come cheap.A specially customised 2027 Mercedes Maybach S 680, designed by James, is heading to auction in New York, with an estimated value of between $425,000 and $550,000.That's approximately Dh1.56 million to Dh2.02 million.And what makes this car even…