Mercedes-Benz M278 V8 Biturbo Engine – Premium Power Solution
Boost your vehicle with the Mercedes-Benz M278 V8 Biturbo Engine, designed for high performance, smooth delivery, and dependable strength.
The Mercedes-Benz M278 V8 Biturbo engine is a sophisticated power unit that blends performance, efficiency, and luxury refinement. Introduced in 2010 as the successor to the M273 engine, it represents a major leap forward in Mercedes-Benz V8 technology, incorporating direct fuel injection and twin turbocharging for enhanced output and reduced emissions.
With a displacement of 4.6L (4663 cc), the M278 delivers impressive performance figures ranging from 402 hp to 449 hp and up to 700 Nm of torque, depending on the variant. This engine is widely recognized for its smooth power delivery, making it perfectly suited for luxury sedans, coupes, and SUVs such as the S-Class, E-Class, CLS, and GL models.
Engineered with an aluminum block and DOHC 32-valve configuration, the M278 is both lightweight and durable. Its bi-turbo setup ensures strong low-end torque and responsive acceleration, while advanced combustion technologies like multi-spark ignition and precision fuel injection enhance efficiency and performance.
Drivers and technicians alike appreciate the M278 for its balance of power, refinement, and reliability. While it is a high-performance engine, proper maintenance ensures long-term durability, making it a dependable choice for both replacement and upgrade applications.
Whether you are restoring a luxury vehicle or upgrading your drivetrain, the M278 V8 Biturbo delivers the unmistakable Mercedes-Benz driving experience—smooth, powerful, and engineered to perfection.
Key Features
- 4.6L V8 twin-turbocharged gasoline engine
- Advanced direct fuel injection system
- High torque output for effortless acceleration
- Lightweight aluminum construction
- DOHC 32-valve configuration for optimal airflow
- Smooth and refined performance for luxury vehicles
- Widely used across Mercedes-Benz premium models
Engine Specifications
- Engine Type: V8 Biturbo
- Displacement: 4.6L (4663 cc)
- Power Output: 402 – 449 hp
- Torque: 600 – 700 Nm
- Fuel System: Direct Injection
- Turbocharger: Twin-Turbo (Bi-Turbo)
- Configuration: DOHC, 32-Valve
- Production Years: 2010 – 2020
Why Choose the M278 Engine?
The M278 stands out as a perfect balance between luxury and performance. It offers strong acceleration, quiet operation, and proven engineering reliability. Its widespread use in Mercedes-Benz vehicles ensures easy parts availability and service support, making it a practical and high-value engine choice.
Order Information
This engine is listed as an inquiry-only product on Engines & Parts.
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- Check availability
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Upgrade your vehicle with the powerful and refined Mercedes-Benz M278 V8 Biturbo engine—built for performance, comfort, and long-term reliability.
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