M177 technical RSS
M177 LS1 vs LS2: Every Difference Between AMG's 4.0L V8 Engines
M177 LS1 vs LS2 at a Glance Specification LS1 (C63) LS1 S LS2 (E63) LS2 S Power (HP) 469 503 563 603 Torque (Nm) 650 700 750 850 Compression 10.5:1 10.5:1 8.6:1 8.6:1 Turbo Type Mono-scroll Twin-scroll Max Boost (bar abs.) 1.9 2.1 2.3 2.5 Peak Power RPM 5,500–6,250 5,750–6,500 Max Fuel Pressure 200 bar 200 bar Transmission MCT 7-speed MCT 9-speed (725.0) Drivetrain RWD 4MATIC+ (variable AWD) The Mercedes-AMG M177 is a 4.0-litre twin-turbocharged V8 used across the modern AMG lineup — but not every M177 is created equal. The LS1 and LS2 power levels share displacement, bore, stroke,...