The 1990s saw Mercedes-Benz purchase British engine builder Ilmor (now Mercedes-Benz High Performance Engines), and campaign IndyCars under the USAC/CART rules, eventually winning the 1994 Indianapolis 500 and 1994 CART IndyCar World Series Championship with Al Unser, Jr. at the wheel.
Në vitin 1990 Mercedes-Benz bleu prodhuesin Britanik të motorrave Ilmor (sot Mercedes-Benz High Performance Engines), dhe kompeticionin e IndyCars nën rregullat e USAC/CART, dhe duke fituar kampionatet 1994 Indianapolis 500 dhe 1994 CART IndyCar World Series me Al Unser, Jr. në timon.