Whether it’s getting out of the hole, cruising on plane or running wide open, the variable geometry turbocharger (VGT) design automatically optimizes power and torque to meet demand.
Mercury Diesel 3.0L
150 - 270hp
Built to explore with comfort, the smooth and quiet Mercury Diesel 3.0L engine will shift your expectation of what diesel performance feels like.
Intuitive, Innovative Features
VGT Design
Closed Cooling System
A thermostatically controlled closed-loop freshwater cooling system protects the engine and turbocharger in both fresh and saltwater.
Advanced ECU
Our advanced engine control unit (ECU) intelligently manages engine systems to reduce emissions and optimize overall performance.
HPCR Fuel Injection
The high-pressure common rail (HPCR) fuel injection system fine-tunes the air-to-fuel ratio to enhance acceleration, top speed and efficiency.
Ample Charging Output
A powerful alternator delivers 110 amps of charging power at wide-open throttle – perfect for keeping onboard electronics running long into the fun.
SeaCore
Take on the toughest marine conditions with the available SeaCore® system. It’s an entire package of durable, corrosion-fighting technology that offers an extraordinary level of protection.
Mercury Diesel Advantage
Easy Ownership
Top-mounted fluid reservoirs, a self-draining oil filter and an easy-to-reach oil dipstick keep maintenance and service simple.
Reduced Weight
With exceptional power-to-weight ratios, Mercury Diesel engines pack big-time propulsion in a lightweight package. The difference: quicker acceleration, faster planing and easier handling.
Durability
Durability and reliability are in the details, like thermostatically controlled closed-cooling systems and advanced corrosion resistance. Our diesel engines are designed to go the distance.
Efficiency
Mercury Diesel engines run clean and run easy, without the harshness or fumes from traditional diesels. They can also deliver up to 50% better fuel efficiency compared to gas engines of the same horsepower.
SmartCraft® The Power to Do More
Mercury SmartCraft® digital technologies refine the entire boating experience to ensure every day on the water reaches its full potential. From intelligent gauges and displays to advanced systems that make boat control easy, SmartCraft gives you the power to do more with your time on the water.
SmartCraft compatibility is available for Mercury engines 2004 and newer, 40hp and above; 2022 and newer, 25hp and above. Features vary based on controls and engine models.
Specifications
Warranty Coverage
Warranty Coverage
Mercury makes world-class marine products backed by world-class warranties.
Maintenance
At Mercury, we make maintenance easy. Learn more about how to keep your Mercury products performing at their peak.
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Resources for you
Brochures
Explore Mercury products and learn more about what it means to Go Boldly®.
Learn More About Mercury Diesel Engines at a Mercury Dealer
No one understands marine performance like your local Mercury Authorized Dealer. Contact a dealer today to learn how you could power your adventures with a Mercury Diesel engine.