Mercedes-Benz is expected to officially unveil the S63 AMG Coupe at next week’s New York Auto Show but there are now rumblings of an S65 AMG Coupe to be coming in the months ahead as well. Like its four-door companion, the S65 AMG Coupe would be differentiated from the S63 mainly by the power under the hood. We’d expect a 6.0-liter twin-turbo V12 that produces 621 horsepower, 738 pound-feet of torque to deliver a higher level of performance. this is a significant step up from the 577 horsepower and 664 pound-feet of torque coming from the S63 AMG Coupe. Look for more details around the S65 AMG Coupe to come in the weeks ahead.