With these new Mercedes Benz CLS performance parts installed on your car, you will be sure to get your car up to speed much easier. These CLS 500 performance accessories are the latest and greatest when it comes to horsepower and torque. Install any new CLS performance part to get a feel for what your car is truly capable of. Getting to your destination will take less time and be much more fun with a Mercedes CLS performance accessory installed. From power programmers to nitrous kits, we carry all of the very best in performance upgrades for CLS. You won't be disappointed by adding new CLS 63 performance parts to your car.