What is RENNtech AMG?
RENNtech specializes in engineering, designing and manufacturing parts for Mercedes-Benz, AMG, Maybach and Mercedes-Benz Sprinter vehicles as well as other European luxury and performance vehicles. Established in 1989 by Hartmut Feyhl, RENNtech has evolved and grown from servicing AMG’s customers into the foremost authority on tuning and customizing AMGs and Mercedes-Benz. RENNtech also offers tuning solutions for Porsche, Audi and Bentley vehicles, along with other European luxury cars.RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file.
Who owns RENNtech?
Hartmut Feyhl, founder and owner, RENNtech: I have built my life and business around the core of Mercedes-AMG engineering and I know our GT4 car will be one of the very best machines out there. BMW: Known for high-revving petrol engines and well-balanced weight distribution. The B48 engine is one of the most refined inline-six units on the market. Mercedes: Offers powerful turbocharged engines with smooth delivery. AMG models like the C63 and GLC 63 deliver immense power but at the cost of fuel efficiency.Introducing the new BRABUS 1000 – based on the Mercedes-AMG GT 63 S E PERFORMANCE. Hybrid performance taken to the extreme. Nm.Mercedes-Benz is taking performance to the next level with the 2025 AMG® GT 63 S E Performance coupe. An incredible blend of speed, innovation, and electrified performance makes it the fastest among the Mercedes-Benz 2025 models.