Mercedes-AMG's new GLE 63 S Coupe has 603 horsepower and sports-car acceleration numbers -- here's everything you need to know about the ultra-quick SUV

Mercedes-Benz Mercedes-Benz released the full specs for its newest AMG-tuned SUV — the GLE 63 S coupe —and they're impressive. The fastback SUV is equipped with a 4.0-liter, twin-turbocharged V8 rated at 603 horsepower and 627 foot-pounds of torque, which is more than double the overall power of the standard GLE. That combination sends the hulking SUV to 60 mph in only 3.7 seconds, according to Mercedes. The GLE 63 S Coupe will go on sale this fall. Mercedes hasn't announced pricing yet, but...