Mercedes W212 W221 W204 Thermostat Coolant Housing Cooling Pipe A2762000515

Mercedes W212 W221 W204 Thermostat Coolant Housing Cooling Pipe is a component from the Thermostats and housings category, designed for cooling systems in Mercedes vehicles. This solution allows for the restoration of proper coolant circulation and stable engine operation under demanding operating conditions.

Specifications and technical data

• SKU: A2762000515
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2762000515
• Substitutable numbers: A2762000515, A 276 200 05 15
• Category: Thermostats & Housings

Purpose and technical function

The thermostat housing in Mercedes E-Class, S-Class, and C-Class models is responsible for the secure seating of the thermostat and the proper direction of coolant flow between the engine block and the radiator system. A correctly selected component from this group minimizes the risk of overheating, slow engine warm-up, and uncontrolled fluctuations in operating temperature.

Using a dedicated thermostat housing for a specific Mercedes platform allows for maintaining the factory characteristics of the cooling system, which translates into stable engine parameters, uniform heating, and predictable vehicle behavior in both city and highway driving.

Benefits of using an original thermostat housing

Using a thermostat housing matched to a specific generation of Mercedes ensures:

• Proper cooling system tightness – reduction of fluid leaks and pressure drops.
• Stable thermostat operation thanks to precise guidance of the cooling medium flow.
• Better control of engine operating temperature, which promotes component durability.
• Consistency with the factory cooling system architecture, without the need for modifications.

For workshops and users, this means easier diagnostics, predictable installation, and a reduction in the risk of problems resulting from mismatched replacements. Thermostats and housings selected according to the vehicle platform allow for maintaining engine performance parameters at a level close to factory standards.

Installation and operational characteristics

The thermostat housing designed for Mercedes has been engineered for installation in existing mounting points, which facilitates service work. The design intended for a specific engine family allows for:

• secure seating on factory connections and sockets,
• compatibility with original seals and associated components,
• maintenance of the correct coolant flow direction.

An element configured in this way is particularly useful during replacement as part of standard cooling system service, as well as during repairs following a thermostat failure or housing leak. Proper fitment for the Mercedes brand reduces installation time and decreases the risk of needing additional modifications.

Condition and use in service practice

The thermostat housing offered in this variant comes from a previously operated vehicle, making it an attractive solution for users looking for a reasonable compromise between cost and functionality. In workshop practice, such components are often used for:

• routine cooling system repairs,
• restoring the efficiency of fleet vehicles,
• servicing used cars where repair economy is key.

Selecting a thermostat housing from this group allows for maintaining proper cooling system operation without the need to invest in more expensive solutions, while simultaneously maintaining compatibility with the Mercedes design.

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

For a better understanding of the impact of engine operating temperature on drivetrain durability and the selection of appropriate power transmission components, it is worth reading the guide: Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain.