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2026 Mercury Marine® Mercury Diesel 500 Base

Location:Beaumont, TX

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Description

2026 Mercury Marine® Mercury Diesel 500

Take your life on the water to new destinations with the Mercury Diesel 6.7L engine. This turbocharged workhouse redefines diesel performance for sport yachts and other large vessels, blending premium comforts and extended range with exceptional speed and acceleration

Features may include:

Power & Torque
  • The high-displacement turbocharged engine spools up massive torque, generating instantly responsive power to get big boats out of the hole and deliver a midrange punch when you need it.
    • Closed Cooling System
  • A thermostatically controlled closed-loop freshwater cooling system protects the engine in both fresh and saltwater.
    • Smooth & Quiet
  • From vibration-dampening engine mounts to an air filter strategically positioned to also reduce turbo noise, the 6.7L engine is optimized for a smooth, quiet ride.
    • HPCR Fuel Injection
  • The high-pressure common rail (HPCR) fuel injection system fine-tunes the air-to-fuel ratio to enhance acceleration, top speed and efficiency.
    • Grid Heater
  • The 6.7L engine is ready for all-season adventure, with a grid heater that makes cold weather starts easy
    • Easy Ownership
  • Top-mounted fluid reservoirs, a self-draining oil filter and an easy-to-reach oil dipstick keep maintenance and service simple.
    • Reduced Weight
  • With exceptional power-to-weight ratios, Mercury Diesel engines pack big-time propulsion in a lightweight package. The difference: quicker acceleration, faster planing and easier handling.
    • Durability
  • Durability and reliability are in the details, like thermostatically controlled closed-cooling systems and advanced corrosion resistance. Our diesel engines are designed to go the distance.
    • Efficiency
  • Mercury Diesel engines run clean and run easy, without the harshness or fumes from traditional diesels. They can also deliver up to 50% better fuel efficiency compared to gas engines of the same horsepower

    • Specifications

    ManufacturerMercury Marine®
    ModelMercury Diesel 500
    Year2026
    ConditionNew
    Trim NameBase
    Generic Type (Primary)General
    Engine Power500 HP (368 kW)
    Engine TypeInline 6
    Displacement6.7
    Engine TorquePeak: 1, 580 Nm (1, 165 lb-ft) @ 1, 900 rpm
    Rated Engine SpeedWOT: 3200 RPM
    Oil TypeRecommended: 15W40 ACEA C3 synthetic oil
    Alternator12 V 90 A / 24 V 70 A
    Oil capacityMaintenance Interval: 250 hrs or annually | Sump Volume: 20 qt / 19.0 L
    Weight(Incl. Transmission): 1, 803 lbs (818 kg)
    FeaturesRecommended fuel: Diesel