Mercedes C204 Engine Coolant Thermostat Housing M276 A2762000115

Mercedes C204 Engine Coolant Thermostat Housing M276 is a component from the Thermostats and housings category, designed for the cooling system in Mercedes vehicles equipped with the M276 engine. It is responsible for the stable seating of the thermostat and the proper flow of coolant, which translates into safe and predictable operation of the power unit. This is a solution for users looking for a factory-spec component with a proven design.

Specifications and technical data

• SKU: A2762000115
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2762000115
• Substitutable numbers: A2762000115, A 276 200 01 15
• Part type: Thermostat Assembly
• Category: Thermostats & Housings

Purpose and function in the cooling system

The Mercedes C204 Engine Coolant Thermostat Housing M276 plays a key role in managing coolant circulation, keeping the thermostat in the correct position, and ensuring a tight connection with other system components. A properly selected housing reduces the risk of leaks, engine overheating, and improper thermostat operation.

Using a component matched to a specific power unit allows for maintaining the operating parameters specified by the vehicle manufacturer. In the case of M276 engines, this is important for both the durability of the unit and the stability of the operating temperature under various load conditions.

Construction and technical features

The housing has been designed as a component that works with the factory thermostat in Mercedes vehicles, maintaining the appropriate geometry of the flow channels. As a result, the coolant flow is directed in a controlled manner, which promotes even temperature distribution in the engine block.

The main design advantages include:

• dedicated fit for the M276 unit,
• retention of factory mounting points,
• compatibility with the original Mercedes cooling system,
• possibility of installation in place of a worn or damaged housing without interfering with other components.

Component condition and service application

The product comes from the used Mercedes parts segment, which allows for economical cooling system repair while maintaining the original design. This type of component is particularly useful when replacing a damaged housing, when leaks appear in the thermostat area, or during comprehensive servicing of the M276 unit.

Replacing the thermostat housing is recommended, among other situations, when there are leaks at the connections, visible signs of corrosion, or body deformations. Using the correct component allows for restoring proper coolant circulation and reducing the risk of engine overheating.

Benefits of using the original thermostat housing

Choosing a thermostat housing dedicated to the Mercedes C204 with the M276 engine provides several significant service and operational benefits:

• Factory fit – maintaining the original geometry and mounting points facilitates installation and minimizes the risk of leaks.
• Stable cooling system operation – proper seating of the thermostat promotes maintaining the optimal engine operating temperature.
• Consistency with other components – the housing works with factory hoses, sensors, and cooling system elements.
• Possibility of use during routine repairs and major service work on the M276 unit.

Expanding Mercedes cooling system service

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as thermostat bodies, connection housings, or additional coolant flow control modules, check the available parts in the Mercedes Thermostats and housings category.

When performing major work on the power unit, it is also worth paying attention to the condition of other components working with the engine. A practical service guide may be helpful in planning such activities – you will find detailed tips in the article How to buy a used car engine and not get scammed – a step-by-step guide, which discusses key aspects of evaluating components used in engine repairs.