Mercedes-Benz OM642 3.0L V6 Turbo Diesel Gear Box – Reliable Transmission
Ensure seamless shifting with the Mercedes-Benz OM642 3.0L V6 Turbo Diesel Gear Box, built for durability, efficiency, and optimal drivetrain performance.
The Mercedes-Benz OM642 3.0L V6 Turbo Diesel engine with gearbox is a highly respected powertrain combination engineered for reliability, efficiency, and strong torque delivery. Produced between 2005 and 2021, the OM642 engine is widely used across Mercedes-Benz passenger vehicles, SUVs, and commercial vans, making it one of the most versatile diesel engines in the brand’s lineup.
This 3.0L (2987cc) V6 diesel engine features an advanced common rail direct injection system and a variable geometry turbocharger, delivering smooth power and excellent fuel efficiency. With outputs reaching up to 620 Nm of torque, it is particularly well-suited for heavy-duty applications, towing, and long-distance driving.
Paired with a Mercedes-Benz automatic gearbox (typically 7G-Tronic or 5G-Tronic), this package provides seamless power delivery, improved driving comfort, and optimized fuel consumption. The integration of engine and transmission ensures compatibility and reduces installation complexity, making it an ideal solution for replacements or drivetrain upgrades.
The OM642 is also known for its aluminum block construction, DOHC 24-valve configuration, and refined V6 design that minimizes vibration while maintaining strong performance. Its widespread use in models like the E-Class, ML/GLE, GL/GLS, Sprinter, and Jeep Grand Cherokee highlights its proven reliability and global parts availability.
Whether you are restoring a vehicle, replacing a worn-out drivetrain, or undertaking a diesel conversion project, the OM642 engine with gearbox offers a balanced combination of power, durability, and efficiency trusted by professionals worldwide.
Key Features
- 3.0L V6 turbocharged diesel engine (OM642)
- Complete engine + gearbox package for easy installation
- Common rail direct fuel injection system
- Variable geometry turbocharger for improved efficiency
- Strong torque output ideal for heavy-duty use
- Compatible with Mercedes-Benz automatic transmissions (5G/7G-Tronic)
- Widely used across Mercedes-Benz cars, SUVs, and vans
Engine & Gearbox Specifications
Engine (OM642)
- Engine Type: V6 Turbo Diesel
- Displacement: 2987 cc (3.0L)
- Power Output: 190 – 265 hp
- Torque: 440 – 620 Nm
- Fuel System: Common Rail Direct Injection
- Turbocharger: Variable Geometry Turbo
- Configuration: DOHC, 24-Valve
- Production Years: 2005 – 2021
Gearbox
- Transmission Type: Automatic (5G-Tronic / 7G-Tronic)
- Drive Compatibility: RWD / AWD (model dependent)
- Smooth electronic shifting with adaptive control
- Designed for high torque diesel applications
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