Mercedes-AMG’s GT S doesn’t exactly want for power in factory trim, but as with all Mercedes and AMG cars, there’s always a huge number of tuners salivating at the chance to wind up the wick...
RENNtech has developed a stage 1 tuning kit for the Mercedes-Benz CLA 45 AMG, with its neck-snapping 2.0-litre turbo four-cylinder. Thanks to a simple plug-in engine computer module, customers can boost the CLA 45’s engine performance...
A highly modified Mercedes-Benz CLS 63 AMG has broken the world record by running a quarter mile in a blistering 10.6 seconds. The twin-turbo V8 monster is tuned by RENNtech. In its factory form,...