2027 Mercedes-AMG GLE63 S And GLS63 Get A New Mild-Hybrid V8 With 603 HP And A Flat-Plane Crank

Key Points:

• Mercedes has unveiled the 2027 AMG GLE63 S and GLS63, both featuring a twin-turbocharged 4.0-liter V8 producing 603 horsepower and 627 lb-ft of torque, paired with AMG's nine-speed automatic transmission and all-wheel drive.
• The GLE63 S is quicker, accelerating from 0 to 60 mph in 3.6 seconds, compared to the GLS63's 3.9 seconds, though quarter-mile times were not disclosed.
• The updated M177 Evo engine includes emissions improvements such as a particulate filter and advanced exhaust aftertreatment, along with a flat-plane crankshaft for better revving and throttle response.
• Both SUVs feature a new AMG performance exhaust system that adapts to driving style, enhanced aerodynamics, adaptive air suspension with multiple driving modes, active roll stabilization, and a locking rear differential.
• Interior updates include new styling, a trio of screens, and extensive customization options, with the GLE63 S offering 22-inch Tech Gold wheels and the GLS63 available with larger 23-inch wheels; pricing and detailed U.S. availability will be announced ahead of their fall launch.