The factory listed 0-60 time for my car is 5.9 sec. -- but I believe I have lowered that time to about 5.5 depending on the day. The car's speed limiter kicks in at 155 mph but I've never gone faster than 140 mph in it. That's plenty fast enough for thrills, considering the US speed limits. Car was rock solid, silent and utterly comfortable at that speed. The stock brakes were more than sufficient as well.

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Marc
C55: Evosport headers & UDP's; AMS crank; TVT thermo; phenolic spacers; Denso IK16's; EuroTech ECU; RennTech cf airbox w/ Green filters; Z06 catch can; Sprintbooster; Optima RedTop; Quaife LSD; AMG: shift paddles, 030 rear calipers & rotors; Rotera brake lines; Euroteck CF lip; "C63" rear diffuser; 18" SLK AMG Turbines (summer); 18" OZ Superleggera's (winter); K40 dual f&r radar w/ laser jammers; MB: digital climate control, iPod kit & mp3 CD changer; iTronic B/T for MOST.