All-new, powerful and purpose-built MerCruiser 6.2-litre V8 sterndrives

MERCURY engineers have again shown the boating world how it’s done by creating two new engines that deliver truly impressive power and torque while providing a remarkably quiet and smooth ride.

MerCruiser’s new 6.2-litre V8 300hp and 350hp sterndrives are purpose built for marine use, which is why Mercury has been able to create a perfect blend of power, reliability, superior corrosion resistance and a quiet, pleasurable ride.

Mercury Marine president John Pfeifer said, “With the introduction of our new 6.2-litre V8 sterndrive engines, Mercury continues to build on its success of designing and manufacturing propulsion systems that deliver the most intuitive, powerful, worry-free, smooth and quiet boating experience.”

6.2L V8 Front Right

“Like the purpose-built 4.5-litre V6 sterndrives we introduced a year ago, we’re extremely proud of the remarkable reliability and ease of maintenance delivered by the 6.2. “This is a terrific engine platform that will improve boating everywhere.”

Engineered with new innovative features and state-of-the-art technology, the MerCruiser 6.2-litre sterndrive platform was designed, and is manufactured, at Mercury Marine’s world headquarters in Wisconsin.

Power, acceleration and performance

With the MerCruiser 6.2-litre, a long-runner scrolled intake manifold optimises airflow for higher torque, which translates into greater acceleration and improved boat performance. The engine’s high displacement ensures it produces an outstanding power-to-weight ratio, which means boats get onto the plane more quickly, stay on the plane at lower speeds and handle rough seas better.

The 6.2-litre V8 also offers Adaptive Speed Control, which automatically maintains a set rpm point regardless of load or changing conditions such as tight turns, lower speeds on plane and tow-sport activities. This gives increased throttle response and a ‘sportier’ feel for the driver, who no longer has to make continual throttle adjustments.

For the ultimate in docking and manoeuvrability, the new engines with Digital Throttle and Shift can be partnered with Axius Joystick Piloting. Brunswick Corporation chief technology officer and Mercury Product Development, Engineering and Racing vice president David Foulkes said: “This new V8 platform is another outstanding example of a Mercury product designed from the ground up with technologies, design features and materials that deliver unmatched value to our marine customers.”

Smooth and quiet

A number of technical advances in the 6.2-litre V8 combine to create the most enjoyable boating experience on the water. An air-intake resonator suppresses harsh sound frequencies across the engine operation range, making it dramatically quieter, while an all-new aft-facing throttle body directs noise away from the cockpit so conversations are easier. The larger, optimised engine mounts isolate undesirable engine vibrations and sounds, making the ride quieter and smoother than ever.

Uncompromising durability and corrosion resistance

The 6.2-litre V8 comes with the ultimate anti-corrosion protection system. Durable cast iron componentry has been used wherever the engine encounters raw water. Elsewhere in the engine, composites and marine alloys provide lightweight efficiency. A convenient and easy freshwater flush system contributes to the engine’s long-term durability, corrosion-resistance and easy maintenance.

Simplifying maintenance and servicing

Ease of maintenance on the MerCruiser 6.2-litre includes a maintenance-free valve train for the life of the engine and a maintenance centre near the top-front section of the engine, ensuring touch points are easily identifiable and accessible. The result is a reliable engine that is more affordable to service. The 6.2-litre is available with optional freshwater cooling and the SeaCore drive corrosion protection treatment, which provides extra corrosion protection only when needed, such as in saltwater environments.

Freshwater cooling uses a heat exchanger and coolant fluid to maintain engine temperature. Coolant travels through the entire engine and the exhaust manifolds and prevents internal corrosion of the cooling passages. SeaCore protection treatment is a hard-anodising process that alters the surface layer of the aluminium drive casting to prevent saltwater penetration that leads to corrosion.


Because Mercury designed and makes these engines, Mercury backs them with two years of Mercury limited warranty. The 6.2-litre also enjoys a three-year anti-corrosion warranty.

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  1. My wife and I have been wanting to get a new boat, but are really new to this market. A friend of ours mentioned that we should find a boat that has a Mercruiser engine, but we did not know what that meant. I think that this Mercruiser sounds like a great idea, and if we can find this new 6.2 litre V8 that you have here we will be very happy with that. Thanks for listing what makes the new engine so amazing!

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