Mercedes M276 3.0L V6 (M276 DE30 LA) Engine For Sale.

Mercedes-Benz M276 3.0L Biturbo V6 (M276 DE30 LA) Petrol Engine

Direct Injection refined and powerful modern, Used engine For Sale.

The Mercedes M276 3.0L V6 (M276 DE30 LA) Engine is a refined and powerful modern engine designed to deliver smooth performance, robust torque, and impressive efficiency. As part of Mercedes’ next-generation V6 lineup, the M276 replaces older M272 engines with advancements in direct fuel injection, twin-turbocharging, and variable valve timing (VVT), resulting in increased power, reduced emissions, and a broader torque curve.

Its combination of performance and durability makes it a popular choice in the used engine market for replacement projects and OEM upgrades.

This 3.0-liter twin-turbo V6 petrol engine features an aluminum block and heads, direct injection system, and two turbochargers (one per cylinder bank) that optimize boost delivery and throttle responsiveness. The M276 DE30 LA typically produces 329–362 horsepower and 480–500 Nm of torque, offering strong acceleration and confident overtaking ability, whether in daily driving or high-speed cruising. The direct injection system enhances combustion precision and fuel efficiency, while the advanced engine management ensures smooth operation across all RPM ranges.

The M276 engine is widely compatible with a variety of Mercedes-Benz models, making it highly sought after in the replacement engine market. It can be found in premium applications such as the Mercedes-Benz E-Class (E400, E43 AMG), S-Class (S400), CLS-Class (CLS400, CLS43 AMG), GLE-Class, GLS-Class, C-Class (C400), and SL-Class (SL400), among others, depending on year and market. Its ability to pair with both rear-wheel and all-wheel drive platforms, as well as automatic transmissions, adds to its versatility across Mercedes’ luxury and performance models.

Specifications, Common weaknesses and Maintenance.

While the M276 is generally well-engineered, there are some common weaknesses to be aware of in used or high-mileage engines. These include high-pressure fuel pump (HPFP) issues, carbon buildup on intake valves due to direct injection, and occasional coolant leaks from plastic components near the cylinder head. Turbocharger wear could occur over time if you extend maintenance intervals beyond recommendations.

Maintenance notes emphasize regular high-quality synthetic oil and filter changes, periodic fuel system cleaning, and proactive inspection of cooling system components and turbocharger assemblies. Monitoring engine performance codes and addressing minor issues early not only enhances reliability but also preserves long-term performance.

 When properly maintained, the Mercedes M276 3.0L V6 (M276 DE30 LA) Engine delivers a blend of strong horsepower, smooth torque delivery, and durable engineering — making it an excellent choice for a wide range of Mercedes-Benz applications.