The N model also features an N Grin Control System drive mode selection system with Normal, Sport, N, Eco and N Custom modes. (carbuzz.com)
The SL63 uses a dial for drive mode selection rather than the less convenient button of its SL550 and SL450 siblings. (cnet.com)
A more comprehensive four - level drive mode selection — which includes Eco, Normal, Sport / Sport +, and Custom — is available on Touring trim, also. (greencarcongress.com)