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M177 CAMTRONIC Cylinder Deactivation: How It Works and Tuning Implications
What Is CAMTRONIC and How Does It Work on the M177? Every M177-powered AMG — the C63, E63, AMG GT, GT 63, and GLC 63 — uses a cylinder-deactivation system Mercedes-Benz calls CAMTRONIC. Under light loads, four of the engine’s eight cylinders shut down to cut fuel consumption. The moment you press the throttle, all eight fire again in milliseconds. For tuners, CAMTRONIC matters because it directly affects camshaft behaviour, ECU calibration tables, and exhaust-gas temperature management. Whether you are running a Stage 1 ECU flash or building a 900 HP monster, you need to understand what this system does...
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,...