Mercedes-Benz OM457 Engine Assembly

The Mercedes-Benz OM457 is a proven next-generation heavy-duty truck engine platform engineered for long-haul and regional freight. It delivers reliable low-speed torque, mature maintainability and export-ready durability for fleets upgrading or replacing power assemblies.

Designed around Mercedes-Benz global development experience, the OM457 integrates electronic unit pump fuel system, compact architecture and validated after-treatment technology to help operators reduce total cost of ownership while maintaining stable performance under heavy load.

Product Advantages

Strong Power

• Maximum power of 315 kW and peak torque of 2100 N·m – class-leading stable performance.
• Boosted low-speed torque for easier climbing and acceleration under full load.

Intelligent Economy

• Precise electronic fuel control adapts to driving demand, vehicle weight and road conditions for optimized fuel consumption.
• Mature unit pump injection system improves fuel adaptability and operating efficiency.
• Multiple efficiency designs: low-friction cylinder assembly, efficient turbocharging, optimized cooling and lubrication circuit.

Safe and Reliable

• High-strength cast iron cylinder block and individual cylinder heads extend long-term service life.
• Modular structure design, convenient single-cylinder maintenance, fewer overall replacement costs.
• Proven Mercedes-Benz engine brake technology improves auxiliary braking performance and lowers maintenance expense.

Technical Specifications