Here’s a deep cut! When the IRL and CART split rocked the open-wheel racing world in the mid 1990s, CART resurrected an event to rival the Indy 500. Called the “U.S. 500″, it was run at Michigan International Raceway and brought back events that had run there from the mid 1970s through the 1980s. As Penske was one of the strongest supporters of the series, engine provider Mercedes-Benz loaned some 40 R129s to the event for use as parade cars. They were offered in three colors; red, white, and blue, and all included the SL1 Sport Package, which added AMG bodywork and 18” wheels. Also special were embroidered fender logos, floor mats, debossed “US 500”-logo headrests, and new-for-96 ESP. With only 40 of these cars produced, they are almost certainly one of the most rare modern Mercedes models: