Genuine Mercedes 274-200-34-00 Engine Coolant Thermostat Unit

The Genuine Mercedes 274-200-34-00 is a factory OEM thermostat unit designed specifically for Mercedes-Benz vehicles equipped with the M274 2.0L turbocharged four-cylinder engine. This complete thermostat assembly regulates engine coolant temperature to maintain optimal operating conditions, prevent overheating, and ensure efficient engine performance.

Key Features:

• Genuine Mercedes-Benz OEM part manufactured to exact factory specifications
• Designed for M274 2.0L turbocharged engines
• Includes integrated thermostat housing assembly
• Opening temperature of 206.6°F for precise temperature regulation
• Replaces part numbers 274-200-07-15 and 274-200-43-00
• Direct replacement for worn or faulty thermostats
• Backed by Mercedes-Benz 12-month/12,000-mile manufacturer warranty

This thermostat unit is essential for maintaining proper engine temperature control, improving fuel efficiency, and protecting against engine damage caused by overheating or inadequate warm-up cycles. The genuine OEM construction ensures reliable performance and precise fit compared to aftermarket alternatives.