I've been looking at that too. The C32 has 13.6" rotors up front and it appeears that the C230K sport and C320 sport use the same brakes up front. The rear brakes are unchanged, though.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record