2025 Mercury Marine® MerCruiser 4.5L 250hp Base

2025 Mercury Marine® MerCruiser 4.5L 250hp

From sporty handling and smooth performance to efficient V6 power, every aspect of the MerCruiser® 4.5L Sterndrive was engineered to elevate your boating experience. It’s fun days and memorable moments from here on.

Features may include:

• The multi-point electronic fuel injection system fine-tunes the air-to-fuel ratio for the ideal combination of power and efficiency.

• The Adaptive Speed Control feature lets you maintain engine rpm despite changes in load or conditions. Climbing large swells is easier. Cruising at low speeds is smoother. Carving out tight turns is effortless.

• Take on the toughest marine conditions with the available SeaCore® system. It’s an entire package of durable, corrosion-fighting technology that offers an extraordinary level of protection, including hard-coat anodizing on the drive, stainless-steel fasteners and components, and a closed cooling system.

• A powerful alternator delivers 70 amps of charging power at wide-open throttle – perfect for keeping onboard electronics running long into the fun.

• Explore farther with confidence knowing that the Engine Guardian system is at work. It monitors the engine and, if necessary, can adjust engine functions to help get you home safely.