What is the fastest you have driven in a car? And if you remember, what car? and where?

Me, 252 km/h (My dad rigged it a little so it goes a bit faster than the gentlemen's agreement of 250) in my dad's Mercedes Benz E63 AMG. Malaysian highway. Started at about 2.10 AM and ended at about 2.25 AM. Second fastest- 231 km/H in an Opel Astra sedan, my own. (11.52 PM-12.30 Am.) Third, 200 in the Opel. (my usual highway speed. Somehow I've only gotten caught twice in my 5 years.