Sixt offers Mercedes-Benz C-Class Car Rentals in Florida with prices starting at $23.94 per day, as provided by ShermansTravel. That's $14 under our Black Friday mention and the lowest rate we've seen from Sixt all year for Mercedes rentals. It's also a current low for premium car rentals in Florida by $54. A 7-day rental may be required and blackout dates may apply. It's valid at participating U.S. locations in Florida only. Deal ends December 31 and rentals are valid through March 31, 2013. Fees, insurance, and taxes are additional.