Sometimes,” says Hartmut Feyhl, “I am a little ashamed to call myself a tuner.” Not because the calling itself isn’t noble (how can making cars go faster and handle better be otherwise?), but because ...
Compared to the S63 and S65 versions of the car, the Mercedes-Benz S560 is certainly less extreme, though not slow by any means. However, with Renntech’s ECU upgrade, the 4.0-liter twin-turbo V8 ...