Mercury

Mercury / SeaPro

Mercury SeaPro 300hp CMS

Every day, even in the toughest conditions, SeaPro high-horsepower outboards are built to tackle the biggest jobs.

All Mercury outboards
Mercury SeaPro 300hp CMS

SeaPro

SeaPro 300hp CMS

Power
300 hp
Configuration
V8
Displacement
4.6L
Weight
527 lb
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About this engine

Every day, even in the toughest conditions, SeaPro high-horsepower outboards are built to tackle the biggest jobs. They feature heavy-duty components designed to work as hard as you do, with unmatched corrosion resistance to go wherever the task takes you.

Key features

  • Adaptive Speed Control
  • Industry-Exclusive Battery Management Technology
  • Easy to Maintain
  • Heavy Duty Gearcase
  • Reliability & Durability
  • SeaPro Performance Data
  • Exceptionally Smooth & Quiet
  • Lightweight & Compact
  • High Displacement
  • SeaPro Advantage
  • Repower Your Boat with a New Outboard
  • SmartCraft® The Power to Do More
  • Warranty & Maintenance
  • Warranty Coverage
  • Brochures
  • Find Your Manual
  • Sign up for the Mercury Dockline Newsletter for news, promotions and more

Full specifications

Horsepower
300
Alternator amp / Watt
85 amp (1071 Watt) with Idle Charge
Color
Black
Smartcraft Compatible
Yes
Displacement (L)
4.6L
Dry weight *Lightest model available
527 lbs / 239 kg
Engine type
V8
HP / kW
300 / 221
Recommended fuel
Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum