Rein 276-200-03-15 Engine Coolant Thermostat OEM Replacement

The Rein 276-200-03-15 is an OEM-quality engine coolant thermostat engineered as a direct replacement for Mercedes-Benz vehicles equipped with the M276 engine family. Rein Automotive is known for producing parts that meet or exceed original equipment standards, ensuring a precise fit and reliable long-term performance.

The engine thermostat plays a critical role in your cooling system by regulating coolant flow between the engine and radiator. A properly functioning thermostat maintains optimal engine operating temperature, which supports fuel efficiency, reduces emissions, and protects against overheating or overcooling.

Key Features:

• OEM-quality replacement thermostat from Rein Automotive
• Designed to meet or exceed original Mercedes-Benz specifications
• Direct fit replacement — no modification required
• Maintains precise engine operating temperature for optimal performance
• Helps protect engine from overheating and thermal damage
• Compatible with Mercedes-Benz M276 engine applications

Manufactured to strict tolerances, the Rein 276-200-03-15 thermostat restores cooling system function and is an ideal choice for DIY mechanics and professional technicians alike. OEM cross-reference: Mercedes-Benz part number 276-200-03-15 / 2762000315.