Mercedes C230 Kompressor Acceleration and Top Speed Run Record

Mercedes-Benz C230 Kompressor SportCoupé 2002 (CL203) automatic with a 2.3 l M111 engine. We see an acceleration to top speed of 251 km/h (156 mph). This is the fastest speed ever recorded for a Mercedes-Benz C230 Kompressor running bone stock on a flat road with no tailwind in sub zero temperature. The run took place on a closed public highway on the 14th of April 2017 at 4:14 am. The driver: unknown. Temperature -3 degrees Celsius (26 degrees Fahrenheit), relative humidity 80 %, dew point 20 degrees Fahrenheit. Road surface: dry/black ice, wind: zero wind. The low temperature makes air more dense and thus having more oxygen. More oxygen for engine = more horsepower. Plus, lower humidity air results in higher useful density of oxygen.