Mercury 270 HP 3.0L Inboard Diesel Engine

Experience unmatched diesel performance with the Mercury 270 HP 3.0L Inboard Diesel Engine – a powerhouse built with purpose and precision. From simplified maintenance and advanced turbocharging to a smoother, quieter ride, this engine delivers the next generation of marine propulsion. Featuring a compact V6 design and world-class durability, the Mercury Diesel 3.0L offers intuitive control, enhanced fuel efficiency, and a redefined standard in inboard performance.

What’s Included

• Mercury 270 HP 3.0L V6 Inboard Diesel Engine

• Water-cooled Honeywell VGT Turbocharger

• SmartCraft™ Compatible Engine Control Unit (ECU)

• Air Silencer & Filter System

• Bosch Fuel Injection System

• Integrated Oil Jet-Cooled Pistons

• Closed-Cooling System

• Optional Joystick Piloting Compatibility

• Bravo Sterndrive Compatibility (One X, Two X, Three X, XR, SeaCore variants)

Key Features

Maintenance Made Easy

All service points — oil, coolant, fuse box, seawater strainer, and more — are conveniently front-mounted, next to a color-coded maintenance schedule for easy access and simplified upkeep.

High-Speed Performance

The new water-cooled Variable Geometry Turbocharger (VGT) paired with a high-pressure common-rail fuel system provides quicker acceleration, faster plane times, and optimized top-end speed.

Rock-Solid Reliability

Manufactured in a state-of-the-art facility, this engine is built with top-tier quality controls, ensuring consistent and long-term durability in even the harshest marine environments.

Whisper-Quiet Operation

Enjoy conversations and the sound of the sea. Advanced silencing features including an integrated air filter silencer and vibration-minimizing motor mounts make for a smooth, quiet cruise.

Joystick Piloting Ready

Compatible with Mercury’s Joystick Piloting for Inboards—including single-inboard configurations—for unmatched docking control and maneuverability.

Corrosion-Resistant Durability

Protect your investment with an industry-leading anti-corrosion system. Optional SeaCore® protection offers superior saltwater defense with thermostatically controlled closed cooling, cooled fluids, and anodized coatings.

Mercury 270 HP 3.0L Inboard Diesel Engine Specifications

• Power Output: 270 mhp / 201 kW

• Engine Type: V6, Turbocharged & Aftercooled

• Displacement: 3.0 Liters

• Maximum RPM (WOT): 4200

• Torque: 594 Nm @ 2200 rpm

• Compression Ratio: 16.5:1

• Fuel System: High-Pressure Common Rail (Bosch CP4.2)

• Fuel Type: Diesel

• Cooling System: Closed-cooled, thermostatically controlled

• Weight (Dry): 358 kg (789 lbs)

• Dimensions (L x W x H): 36.7″ x 33.4″ x 32.0″ / 847 x 849 x 813 mm

• SmartCraft Capable: Yes

• Joystick Piloting Compatible: Yes

• Ignition Control: Bosch ECU (EDC17)

• Service Interval: 200 hours or annually

• Electrical System: 12V, 110A alternator

• Recommended Drives:

  • Bravo One X, XR, SeaCore

  • Bravo Two X, XR, SeaCore

  • Bravo Three X, XR, SeaCore

  • Multiple gear ratio configurations available

Top Benefits

• Faster acceleration and quicker time to plane

• Reduced maintenance time with front-access design

• Ultra-quiet diesel operation with minimal vibration

• Extended engine life with advanced corrosion protection

• Joystick-ready maneuverability for tight docking and trailering

• Compatible with Mercury’s full suite of helm and gauge systems

FAQs

Q: What makes the Mercury 3.0L Diesel Engine quieter than traditional diesels?
A: It features a turbo silencer, specially designed motor mounts, and noise-reducing air filter housing that eliminates typical diesel whine.

Q: Is this engine compatible with Joystick Piloting for a single inboard setup?
A: Yes, it is the only diesel engine in its class compatible with Mercury’s Joystick Piloting for single inboards.

Q: What are the service intervals?
A: Maintenance is recommended every 200 hours or annually.

Q: Can this engine be used in saltwater applications?
A: Yes, and for added protection, the SeaCore® system is available as an option.

Availability

In Stock: 17 Units
Model: Mercury 270 HP
Brand: Mercury Marine