Went and installed the wheels this morning the front worked perfect but the off set in the rear, the mercedes wheels have a off set of 45 the crossfire has 35 front and 22 in the rear so as i said the front worked ok but the rear the tires were under the car almost 2" I should have taken pic but i didn't want any one to see my srt-6 that way I could have used spacers but the way i drive i would have broken the studs,( my driving with my pt cruiser 34000 miles 7 sets of tires ,,8 transmissions and 3 turbo's..) the ride on the other hand was much better and the handling wasn't off that much, for now i am back to the 18 and 19"s until i can get some rims that at the correct off set so for now i will indure the bumps..I don't want to change the springs unless i use the non srt springs and shocke and keep mine to put back whenever i want ,,,, jim