Mercury 300hp Outboard Motor 300L
$16,101.00
The Mercury 300hp Outboard Motor 300L features a lightweight 4.6L V8 FourStroke that delivers massive torque, smooth acceleration, and excellent fuel efficiency—ideal for offshore and performance boats with a 20-inch transom.
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Overview Mercury 300hp Outboard Motor 300L
The Mercury 300hp Outboard Motor 300L represents the peak of FourStroke V8 performance for boaters who want raw power with refined handling. Powered by a naturally aspirated 4.6L V8 , this engine delivers strong low-end torque, confident midrange acceleration, and smooth cruising performance—engineered for reliability across offshore and high-performance applications.
Features and Performance
- 4.6L V8 FourStroke Powerhead – Massive torque and rapid acceleration
- Advanced Range Optimization – Closed-loop fuel control maximizes efficiency
- Adaptive Speed Control – Maintains RPM through turns, chop, and heavy loads
- Lightweight V8 Design – Best-in-class power-to-weight ratio
- Electronic Fuel Injection (EFI) – Reliable starts and crisp throttle response
- Smart Idle Charge System – Protects battery voltage when running electronics
- High-Output 85-Amp Alternator – Supports modern marine electronics
- Power Trim & Tilt – Improves shallow-water operation and performance tuning
Why You Should Buy it
- Powerful 300hp V8 FourStroke performance
- Smooth, quiet operation for long offshore runs
- Excellent fuel efficiency for its horsepower class
- Strong electrical output for electronics-heavy boats
- Proven Mercury reliability and easy ownership
- Backed by a Mercury Marine 3-Year Factory Warranty
This outboard is ideal for boaters who want maximum offshore power without stepping into Verado or Pro XS platforms .
| Specification | Details |
|---|---|
| Engine Type | V-8 Four-Stroke |
| Horsepower | 300 HP |
| Model | 300L |
| Fuel System | Electronic Fuel Injection (EFI) |
| Displacement | 4.6 L |
| Cylinders | V-8 |
| Shaft Length | 20" (Long) |
| Steering | Remote Mechanical |
| Starting System | Smart Start Electric |
| Full Throttle Range | 5200 – 6000 RPM |
| Alternator Output | 85 Amp / 1,071 Watt (Idle Charge) |
| Weight | 527 lbs |
| Maximum Trim Range | 20° (-6° to 14°) |
| Maximum Tilt Range | 73° (-6° to 67°) |
| Warranty | Mercury Marine 3-Year Warranty |
- Mercury 300hp Outboard Motor 300L
- Power Trim & Tilt
- Mounting hardware
- Service tool kit & parts
- Owner’s manual




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