RENNtech specializes in building Mercedes-Benz vehicles to the highest standards, increasing the performance and delivering unrivaled quality and comfort for Mercedes-Benz vehicles from every decade. Our team of engineers, fabricators, and technicians work with state-of-the-art tools at our facility in Stuart, FL. The combination of experienced specialists and highly qualified young talents ensure that the work, development and skills and skills pass to the next generation of Mercedes-Benz AMG, technicians, owners and enthusiasts.
Hartmut Feyhl establishes RENNtech, Inc. in Ft. Lauderdale, FL. By 1995 RENNtech moved to Lake Park, FL where the company stayed for over 20 years.
Hartmut Feyhl (top right), racing against Bernd Schneider (#8).
We design, engineer and manufacture a proprietary line of tuning prodcts for Mercedes-Benz AMG vehicles. Our facility features fabrication and machine shop complete with CNC and rapid prototyping capabilities, while our performance shop features 9 lifts, two dynos, engine management and software tuning capabilities along with a complete service, repair and installation facility.
Big, Fast, First Class
W140 S-Class Development
1992 Mercedes-Benz 600 SEL S76R. Powered by a 615 hp, 7.6 -liter M120 V12 engine, the S76R is the most powerful naturally aspirated V12 built by RENNtech and the largest displacement on record for the Mercedes Benz M120.
Interview With Hartmut Feyhl
Untold Story of the AMG Hammer
With CURATED TV
CURATED founder John Tamerian interviews Hartmut Feyhl. Since starting at AMG in 1977, Feyhl's career as an Engineer at AMG, Feyhl has been to pursuing the limits of Mercedes-Benz AMG performance.