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Mercury Diesel

Mercury diesel engines are perfect for recreational vessels. They are easy to own, lightweight, efficient and clean. Engines built for years of exploration.


Easy ownership and smooth performance

Redefining the diesel experience

A Mercury diesel is more than just an engine you can count on. It is a powerful, versatile key for unlocking the freedom of open water. From fuel-injection systems that virtually eliminate noise and harshness to features that simplify maintenance, it is a diesel experience like no other.

Exceptional power for effortless days

Everything about a Mercury diesel engine is built for life on the water. Advanced turbocharging and injection technologies are precisely calibrated for marine performance, making easy work of moving large boats. Lightweight designs further boost efficiency so you can venture farther and stay out longer.

Versatility and support

There are Mercury diesel engines available to power an array of boats and propulsion systems, including sterndrives, inboards and Zeus® pods. All backed by the Mercury global service network. You decide where to go and what adventure looks like, and Mercury gets you there.

Diesel advantages

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 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.


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.

Digital Throttle & Shift

Digital Throttle & Shift (DTS) controls deliver silky-smooth shifting and instant throttle response, with zero hesitation. Integrated controls for selecting SmartCraft technologies make boating even easier.

Active Trim

With just a push of a button, Active Trim automatically optimises trim levels, adapting on the fly to turns, hole shots and water conditions to ensure smooth, efficient trips.

Joystick Piloting for outboards

Intuitive joystick controls provide digital anchoring at the touch of a button and 360 ̊ manoeuvrability in tight spaces when you need it most. In open water, the Auto Heading and Route features let you lock in your course for simplified control.


VesselView® displays transform the helm of the boat into the ultimate command centre by linking together the Mercury propulsion system with compatible onboard accessories. You can monitor engine data, control SmartCraft digital technologies, view charts and sonar, and even operate onboard entertainment systems all from one intuitive touchscreen interface.

Warranty & maintenance

Warranty coverage

Mercury makes world-class marine products backed by world-class warranties.

Review coverage

Mercury MerCruiser engines are thoughtfully designed to minimise maintenance and ensure you get the most from your time on the water.

Maintenance & how-to
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Learn more about Mercury diesel engines at a Mercury dealer

No one understands marine performance like your local Mercury authorised dealer. Contact a dealer today to learn how you could power your adventures with a Mercury diesel engine.

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