Description

Mercury 300HP DTS Outboard 300L for Sale

Mercury 300HP DTS Outboard | Digital Throttle and Shift, Electric Start, 20″ Shaft | 300L

The Mercury 300HP DTS Outboard 300L combines the proven power of Mercury’s 4.6L V8 FourStroke platform with advanced SmartCraft® Digital Throttle & Shift technology. Designed for serious boaters who demand exceptional performance, reliability, and precision control, the Mercury 300L DTS delivers outstanding acceleration, impressive fuel economy, and smooth operation across a wide range of boating applications.

Built for offshore fishing boats, center consoles, bay boats, and recreational vessels, this 300-horsepower outboard offers Mercury’s legendary durability while incorporating cutting-edge digital controls that make every trip more enjoyable and efficient.

Key Features

• Mercury 300HP V8 FourStroke Engine
• SmartCraft Digital Throttle & Shift (DTS)
• 4.6L Naturally Aspirated V8 Powerhead
• Electronic Fuel Injection (EFI)
• Adaptive Speed Control
• Advanced Range Optimization
• Idle Charge Battery Management
• Smart Start Electric Starting
• 20-Inch Long Shaft
• Power Trim & Tilt
• Mercury Marine 3-Year Warranty

Exceptional V8 Performance

The Mercury 300L DTS is powered by a robust 4.6-liter V8 FourStroke engine engineered to deliver reliable horsepower, impressive torque, and consistent performance.

Benefits include:

• Strong hole-shot acceleration
• Excellent top-end speed
• Outstanding mid-range power
• Smooth throttle response
• Reliable offshore performance
• Exceptional fuel efficiency

The naturally aspirated V8 design provides dependable power delivery while minimizing maintenance requirements.

SmartCraft Digital Throttle & Shift (DTS)

One of the most significant upgrades on the Mercury 300L DTS is the inclusion of SmartCraft Digital Throttle & Shift technology.

Advantages include:

• Instant throttle response
• Smooth and quiet shifting
• Reduced control effort
• Improved maneuverability
• More precise docking
• Enhanced operator comfort

DTS eliminates traditional control cables and delivers a refined driving experience with greater accuracy and responsiveness.

Adaptive Speed Control

Mercury’s Adaptive Speed Control technology automatically maintains your selected RPM regardless of changing water or load conditions.

Benefits include:

• Consistent engine performance
• Reduced throttle adjustments
• Improved fuel economy
• Better handling in rough water
• Enhanced towing performance
• Smoother low-speed operation

Whether navigating rough seas or making tight turns, the engine automatically compensates to maintain steady performance.

Advanced Range Optimization

Mercury’s closed-loop fuel control system continuously monitors engine operation and adjusts fuel delivery for maximum efficiency.

Advantages include:

• Lower fuel consumption
• Extended cruising range
• Improved operating economy
• Reduced emissions
• Optimized performance at all speeds

This technology allows boaters to travel farther while using less fuel.

Lightweight V8 Design

Despite its impressive power output, Mercury engineers designed the 300L DTS to be one of the lightest engines in its class.

Engine Weight

• 527 lbs

This lightweight design contributes to:

• Improved boat balance
• Better acceleration
• Enhanced fuel economy
• Improved handling characteristics
• Reduced transom stress

The optimized power-to-weight ratio helps maximize vessel performance.

High-Performance Charging System

The Mercury 300L DTS is equipped with an advanced charging system capable of supporting today’s demanding onboard electronics.

Charging Capacity

• 85 Amp Alternator
• 1,071 Watts Output

Ideal for powering:

• GPS chartplotters
• Fish finders
• Radar systems
• Marine audio systems
• Livewell systems
• Communication equipment
• Battery charging systems

The Idle Charge system automatically increases alternator output when battery voltage drops.

Electronic Fuel Injection (EFI)

The advanced EFI system continuously monitors engine conditions and delivers precise fuel metering.

Benefits include:

• Fast, reliable starts
• Smooth idle quality
• Improved fuel economy
• Clean operation
• Strong acceleration
• Consistent performance

Combined with Mercury’s 32-valve DOHC design, EFI maximizes both power and efficiency.

Built for Versatility

The Mercury 300L DTS is ideal for numerous boating applications.

Perfect for:

• Offshore fishing boats
• Center consoles
• Bay boats
• Tournament fishing vessels
• Coastal cruisers
• Recreational powerboats

The 20-inch shaft configuration is commonly used on many performance-oriented and offshore boat designs.

Technical Specifications

Engine Specifications

• Model: Mercury 300L DTS
• Engine Type: V8 FourStroke
• Horsepower: 300HP
• Cylinders: V8
• Displacement: 4.6 Liters
• Fuel System: Electronic Fuel Injection (EFI)
• Fuel Induction System: 32-Valve DOHC
• Full Throttle Range: 5200–6000 RPM
• Shaft Length: 20″ Long
• Steering: Digital Throttle & Shift
• Starting System: Smart Start Electric
• Weight: 527 lbs
• Alternator: 85 Amp / 1,071 Watts

Trim & Tilt

• Maximum Trim Range: 20° (-6° to 14°)
• Maximum Tilt Range: 73° (-6° to 67°)

Standard Equipment

• Power Trim & Tilt
• Service Tool Kit & Parts
• Mounting Hardware
• Owner’s Manual

Additional Information

• Propeller Sold Separately

Reliability You Can Trust

Mercury FourStroke engines are known worldwide for durability and dependable operation. Every component of the Mercury 300L DTS has been engineered to withstand harsh marine environments while providing years of reliable service.

Owners benefit from:

• Proven V8 reliability
• Corrosion-resistant construction
• Easy maintenance access
• Long service life
• Mercury dealer support network
• Industry-leading engineering

Warranty Coverage

The Mercury 300HP DTS Outboard is backed by Mercury Marine’s 3-Year Limited Factory Warranty for long-term peace of mind and dependable ownership.

Frequently Asked Questions

Does this model include Digital Throttle & Shift?

Yes. The Mercury 300L DTS comes standard with SmartCraft Digital Throttle & Shift technology.

What shaft length does this engine have?

This model features a 20-inch long shaft.

How much does the Mercury 300L DTS weigh?

The engine weighs approximately 527 pounds.

What is the displacement of this engine?

The Mercury 300L DTS uses a 4.6-liter V8 FourStroke powerhead.

What is the alternator output?

The alternator provides 85 amps and 1,071 watts of charging capacity.

Is a propeller included?

No. The propeller is sold separately.

Order the Mercury 300HP DTS Outboard Today

The Mercury 300HP DTS Outboard | Digital Throttle and Shift, Electric Start, 20″ Shaft | 300L delivers premium V8 power, advanced digital controls, exceptional fuel efficiency, and legendary Mercury reliability. Whether you’re upgrading an offshore fishing vessel or rigging a high-performance recreational boat, the Mercury 300L DTS provides the performance, technology, and confidence needed for unforgettable days on the water.