At the Mercedes-Benz Classic Center in Irvine, California (9 Whatney; 949/598-4850;, the German auto retailer has taken the guesswork out of buying a vintage car. The 28,000-square-foot facility is stocked with refurbished Benzes from decades past. Plus, if the warehouse doesn't have your dream car, the center will find it, restore it, and deliver it directly to your door.