Advanced Technology

We pursue innovation. Mercury Racing applies technology to elevate every aspect of the high-performance boating experience. The 450R offers power, control, reliability and convenience that will shatter the expectations of the most-demanding powerboaters on the water.

Six Motors

One Control

Pack your transom with horsepower. The 450R features a compact design and slim-line cowl that accommodates 26-inch center-to-center mounting on multi-engine transoms. Throttle up to six outboards with a single lever using Mercury digital controls.

Six engines 1 mobile



Digital controls

Mercury Racing Zero Effort digital controls provide smooth shifting and instant response while eliminating cable maintenance.

Joystick Piloting for


Joystick piloting 1

Available for boats rigged with two to six outboards, JPO provides intuitive 360-degree boat control for maneuvering in tight quarters plus Skyhook® sea-holding features and integrated auto piloting.


Speed Control

Adaptive Speed Control automatically holds engine rpm as load or conditions change to maintain boat speed with less throttle input.

Adaptive speed control

Alternator and

Idle Charging

Alternator and idle charging

Exclusive Idle Charge technology automatically senses low battery voltage and increases idle RPM to boost alternator output.

Top Cowl

Service Door

Service door 1 moble

Pop it open for routine engine oil checks without removing the cowl. An integrated latch and carry handle eases cowl removal for service.


Is your current boat ready for some new power? Don’t wait until your engine is worn out and not working. Today’s marine engines are more reliable than ever. With many outboard options on the market, it can be daunting to determine exactly what engine might be a right fit for your current boat.