Mercedes M157 Engine | ML63 AMG 5.5L Bi-Turbo V8 for Sale

Description

Mercedes M157 Engine – ML63 AMG W166 5.5L V8 Bi-Turbo

The Mercedes M157 engine is a 5.5L twin-turbocharged V8 used in the powerful ML63 AMG W166 SUV. Developed by Mercedes-AMG, this high-performance engine combines brute force with engineering precision, delivering thrilling acceleration and robust long-distance reliability.

With factory output ranging from 518 to 577 horsepower and up to 800 Nm (590 lb-ft) of torque, the M157 engine transforms the ML63 into a performance SUV capable of 0–100 km/h in under 4.8 seconds. Built with direct fuel injection, twin water-to-air intercoolers, aluminum block and heads, and advanced AMG tuning, this engine balances raw power with surprising efficiency for its class.

Perfect for performance rebuilds, AMG restorations, or high-end swaps, the M157 is renowned for its torque-rich midrange, smooth delivery, and iconic V8 sound. It’s compatible with the 7-speed AMG Speedshift transmission and features stop/start technology in later revisions.

Key Specifications:

• Engine Code: M157

• Displacement: 5.5L (5461cc)

• Configuration: V8 Bi-Turbo, DOHC, 32-valve

• Fuel Type: Petrol (Gasoline)

• Fuel System: Direct Injection

• Turbocharged: Yes – Twin Turbo with Intercooler

• Power Output: 518–577 HP / 700–800 Nm

• Fits: Mercedes ML63 AMG (W166), also found in E63, CLS63, and other AMG 63 models

Every M157 engine is thoroughly tested, cleaned, and comes with a startup warranty. Optional extras include turbos, ECU, wiring loom, AMG gearbox, and accessories. Worldwide shipping available.

Unleash the full AMG experience with the M157 5.5L Bi-Turbo V8—where performance meets reliability.