This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
Kleemann ECU Upgrade for Mercedes S500/550 V8 W221 M273 06-13
Performance optimization of 500/550 V8 models with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power up to 405 HP and 575 Nm.
IMPORTANT NOTICE: You need to fill out the ECU checklist (download it here) and send along with the ECU, so we can program the best possible software for your specific car.
NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us.
WARNING: Cancer and Reproductive Harm
Kleemann was founded in Farum, Denmark in 1987 by two young men with a passion for Mercedes-Benz vehicles. Just a few years later in 1992, construction of the first Kleemann Kompressor System began for a small group of Danish customers. The original Kleemann Kompressor System was designed for an M111 1.8-liter four-cylinder engine and was created in large part due to Danish tax laws surrounding engine displacement. By 1994, Kleemann began producing this highly effective Kompressor System for consumers all around the globe. The success of the four-cylinder system resulting in a growing demand for six- and eight-cylinder Kompressor Systems.
Over the years, Kleemann’s range naturally expanded to include exhaust systems, suspension parts, wheels, and chassis components. To this day, Kleemann continues to offer a complete lineup of Mercedes-Benz and AMG tuning products. A Kleemann upgrade will heighten your vehicle’s performance and take it to the next level.
Since its inception, Kleemann’s mission has been to enhance the best qualities of Mercedes-Benz and AMG cars, without compromise. The company is dedicated to providing intense driving pleasure by way of high-quality products to its clientele all over the world. The Kleemann company philosophy may be simple, but it’s very important.
Every single Kleemann product is intricately designed to refine the appearance of your Mercedes-Benz, while still honoring the iconic body lines and shapes of the original model. Even a complete Kleemann conversion performed on a top-of-the-line model will never compromise its natural style, safety features, or reliability. The combination of tremendous performance benefits paired with everyday drivability translates to a feeling of pure joy in both owning and driving a Kleemann Mercedes-Benz.
Kleemann USA in Colorado Springs, Colorado is the American face of the world-renowned Danish tuner. It was started in 2001 and has since expanded locally to offer repairs, service, and performance tuning for Mercedes-Benz, Volkswagen, Audi, Porsche, and Sprinter vehicles. You can trust Kleemann to help you build your dream car, as it’s been pumping power and aesthetics in Mercedes-Benz vehicles for more than 35 years.
Vivid Racing carries a comprehensive lineup of Kleemann parts, which includes air filters, superchargers, throttle bodies, differentials, camshafts, electronic lowering kits, ECU flash tunes, headers, wheels, pulleys, and much more! If you have any questions regarding the products listed above or need help locating an item for your vehicle, please contact our expert parts department at (480) 966-3040.
VR Tuned ECU Flash Tune Audi R8 5.2 FSI V10 540hp 2015-2021
VR Tuned ECU Flash Tune Audi RS5 4.2 FSI 450hp 2010-2016