Performance Race Coolant Thermostat for Mercedes-AMG M177 / M178 Engines

Control the heat. Unlock the power.
Our Race Coolant Thermostat is precision-engineered to optimize cooling efficiency for high-performance Mercedes-AMG M177 / M178 engines. By lowering the engine’s operating temperature, this upgrade helps reduce heat soak, maintain power under load, and enhance long-term engine reliability — especially under aggressive driving or track conditions.

Whether you're running a tuned street setup or a full track build, this is a must-have cooling mod to keep your AMG running stronger, longer.

✅ Features & Benefits:

• Lower Opening Temperature
  Activates at a reduced temperature compared to OEM, allowing coolant to circulate earlier and helping keep engine temps under tighter control.

• Optimized for Tuned & High-Performance Builds
  Reduces the risk of overheating or power loss due to excessive engine temperatures under heavy load, high RPMs, or boosted conditions.

• Direct OEM Replacement
  Fits directly into the stock housing — no modifications required. Fully compatible with OEM coolant system components.

• Improved Thermal Management
  Helps manage intake air and oil temperatures by keeping the engine cooler, supporting more consistent performance in hot weather or track use.

• Built to Last
  Manufactured from high-quality, heat-resistant materials for long-lasting reliability and consistent operation under extreme conditions.

📈 Performance Benefits:

• Reduces engine operating temperatures by 8–12°C (15–20°F)

• Helps prevent heat soak and timing pull on tuned engines

• Improves reliability during aggressive driving and track days

• Supports longer-lasting performance and engine life

💬 Why You Need a Race Thermostat:

AMG engines are built to perform — but when tuned or pushed harder, heat becomes your biggest enemy. This race-grade thermostat keeps temps in check, helping your M177 or M178-powered vehicle stay cool, consistent, and ready for peak performance anytime, anywhere.

⚙️ Vehicle Compatibility:

• Mercedes-AMG E63 / E63S (W213)

• Mercedes-AMG C63 / C63S (W205)

• Mercedes-AMG GT63 / GT63S (X290)

• Mercedes-AMG G63 (W463)

• AMG S63 (W222)

• Any vehicle equipped with the M177 or M178 engine

🔧 Installation:

• Direct-fit replacement for OEM thermostat

• No additional modifications required

• Professional installation recommended for optimal results

• Works seamlessly with OEM or upgraded coolant systems

🏁 Stay Cool. Drive Harder.

Don’t let heat rob your AMG of its true potential. Upgrade your thermostat today and drive with confidence, knowing your engine is running at its ideal temperature — even under the harshest conditions.