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      Published on 05-09-2013 02:50 AM
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      I just want to relate my experiences with a recent RENNtech ECU tune for my 2012 CLS550 4Matic. I've been researching and considering a tune for a year now, but medical concerns have been a much higher priority. My goals may be different than others... I don't race at all, but simply wanted a reliable and efficient street tune. I wasn't worried if I didn't have the most horsepower... I crave usable street torque. In the end, there were many qualified tuners to choose from, but I selected RENNtech based their years of experience, excellence in engineering, and close relationship with Mercedes Benz. ...