Description

Unlock next-level performance and refinement with the Mercedes-Benz M278 engine—a sophisticated 4.6L V8 twin-turbocharged powerhouse engineered to deliver impressive horsepower, torque, and efficiency. Designed as part of Mercedes’ push toward modernized, fuel-efficient performance, the M278 combines raw strength with intelligent engineering, making it a sought-after choice for drivers who demand both luxury and reliability under the hood.

The M278’s advanced design features direct fuel injection and twin-turbocharging, ensuring quicker throttle response, higher torque output at lower RPMs, and improved fuel economy compared to its naturally aspirated predecessors. With a smooth 7-speed automatic pairing in most models, the M278 delivers effortless acceleration and refined cruising, whether you’re navigating city streets or pushing the limits on the open road.

Built with Mercedes-Benz’s signature engineering precision, the M278 engine includes lightweight aluminum components, advanced cooling systems, and low-friction internals to extend engine life while reducing emissions and maintenance demands. This makes it an excellent choice for both daily driving and high-performance builds.

Key Features:

• Engine Type: 4.6L V8 BiTurbo

• Turbocharged with intercooling for power and efficiency

• Direct injection system for optimal combustion

• Reduced CO₂ emissions with enhanced fuel economy

• Engineered for long-term reliability and quiet operation

Compatibility:
This engine fits a variety of premium Mercedes-Benz models, including:

• S-Class (W221, W222)

• E-Class (W212)

• CLS-Class (W218)

• GL-Class (X166)

• GLE-Class (W166)

Before purchase or installation, always verify compatibility with your vehicle’s VIN and consult a certified technician, as additional parts or tuning may be required. Upgrade today and rediscover what refined V8 performance feels like—Mercedes-Benz M278 delivers every time.