Mercedes W177 W247 M260 Petrol AMG Thermostat Coolant Housing A2602002600

Mercedes W177 W247 M260 Petrol AMG Thermostat Coolant Housing is an original cooling system component designed for M260 series petrol engines in A-Class W177 and B-Class W247 models. The robust construction of the housing ensures stable coolant flow and proper interaction with the thermostat, which translates into safe engine operating temperatures and predictable performance of the powertrain. This is a practical solution for users who want to restore factory cooling parameters without interfering with the original system architecture.

Specifications and technical data

• SKU: A2602002600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2602002600
• Substitutable numbers: A2602002600, A 260 200 26 00, A2602002900, A 260 200 29 00
• Fuel type: Petrol
• Category: Thermostats & Housings

Purpose and function in the cooling system

The thermostat housing for the M260 engine is responsible for the precise seating of the component that regulates coolant flow and for a leak-proof connection to the cooling system channels. In petrol engines, maintaining a stable operating temperature is crucial, which is why a properly selected housing minimizes the risk of overheating, undercooling, and local leaks.

In practice, this means:

• maintaining proper coolant circulation in the petrol engine,
• stable cooperation with sensors and components controlling thermostat operation,
• preserving the factory geometry of connections and flow channels.

Benefits of using an original thermostat housing

Using a housing dedicated to specific Mercedes models allows you to maintain consistency with the factory cooling system design. Thanks to this:

• you reduce the risk of issues with hose and connector fitment,
• you maintain compliance with M260 engine operating parameters,
• you ensure predictable system behavior under various load conditions.

For users who prioritize technically correct repairs and want to avoid experimenting with aftermarket parts of uncertain geometry, such a housing is a sensible choice that allows for restoring the powertrain's factory operating conditions.

Installation and operational characteristics

The thermostat housing designed for the M260 petrol engine in W177 and W247 models allows for installation in place of the factory component without the need for cooling system modifications. Properly shaped mating surfaces and mounting points provided by the manufacturer facilitate a tight and stable fitment to the engine block or cylinder head.

A properly selected housing:

• facilitates maintaining cooling system tightness in the long term,
• reduces the risk of incorrect thermostat positioning,
• supports even temperature distribution within the powertrain.

Why choose a used original part

For components such as the thermostat housing, a used original part often represents a compromise between cost and maintaining factory parameters. You receive a component designed specifically for the given engine and body, which translates into secure fitment and predictable cooling system operation. This solution is particularly attractive for repairs where compliance with manufacturer documentation and minimizing the risk of installation problems are key.

If you are considering whether it is better to refurbish or purchase a used component, our guide discussing the differences between these approaches may be helpful – more information can be found in the article Refurbished or used original – which part to choose for repairs?.

Expanding the cooling system in your Mercedes

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 additional housings, bodies, or parts that work with the thermostat, check out the available parts in the Mercedes Thermostats and Housings category.