Mercedes W204 W205 W212 W213 M274 Petrol Coolant Thermostat Housing A2742000615

Mercedes W204 W205 W212 W213 M274 Thermostat A2742000615 is an original part from the Thermostats and Housings category, designed for M274 gasoline engines in popular Mercedes C-Class and E-Class models. A used OEM thermostat ensures proper management of the engine's operating temperature, which translates to stable engine performance, lower fuel consumption, and safe operation in various road conditions.

Specifications and technical data

• SKU: A2742000615-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742000615
• Substitutable numbers: A2742000615, A 274 200 06 15
• Fuel type: Petrol
• Category: Thermostats & Housings

Intended Use and Compatibility with M274 Engine

The presented thermostat is dedicated to M274 family gasoline engines used in Mercedes W204, W205, W212, and W213 series. It is responsible for precise control of the coolant circulation, which is crucial for maintaining the optimal operating temperature of the gasoline engine.

Thanks to its factory origin, the component is structurally adapted to the cooling system of these models, which facilitates installation and reduces the risk of leaks. The original flow channel geometry and appropriately selected opening characteristics allow for maintaining the parameters specified by the vehicle manufacturer.

Technical Characteristics of the Thermostat

The thermostat operates within the gasoline engine's cooling system, regulating the flow of fluid between the small and large circuits. In practice, this means:

• efficient engine warm-up after startup,
• maintaining a stable operating temperature during city and highway driving,
• reducing the risk of overheating under higher loads,
• better cooperation with the engine control system and temperature sensors.

As a component from the Thermostats and Housings group, it works with the factory cooling system, water pump, and radiator, maintaining the original flow and pressure characteristics in the system.

Condition, Origin, and Benefits of Using a Used Part

The offered thermostat is a used part, sourced from vehicle dismantling. This type of OEM part offers an attractive alternative to replacements of unknown origin, especially for modern gasoline engines where stable temperature control directly impacts the longevity of the engine and its ancillaries.

Using an original, used thermostat allows you to:

• maintain the factory operating parameters of the cooling system,
• reduce repair costs compared to a new OEM part,
• minimize the risk of fitting and sealing issues.

Benefits of a Properly Functioning Thermostat in a Mercedes

A functional thermostat in an M274 gasoline engine not only contributes to the thermal safety of the unit but also to the comfort of daily operation. Maintaining the correct operating temperature promotes proper functioning of the injection system, catalytic converter, and exhaust emission control systems. Stable coolant temperature also translates to smooth engine operation, reduced knocking, and better throttle response.

In cases of symptoms such as slow warm-up, temperature fluctuations, or overheating in traffic, replacing the thermostat is one of the basic diagnostic and repair steps to restore proper engine operating conditions.

Mercedes Thermostats and Housings – Selecting the Right Part

When selecting a thermostat for a Mercedes with a gasoline engine, it is important to pay attention to compatibility with the specific body generation and engine unit. In our offer, you will also find other Mercedes thermostats and housings that will allow you to comprehensively care for your car's cooling system – check available Mercedes thermostats and housings to select a part that fits your model.

If you want to better understand the impact of ambient temperature on the cooling system and the potential savings from using aftermarket parts, check out our guide: Summer Heat vs. Cooling System – Used Radiators and Fans as a Way to Save. This will help you plan your Mercedes cooling system service more effectively and make informed part choices.