Mercedes W205 M264 Coolant Pipe Water Pump Radiator Air Pump Line A2055002600

The Mercedes W205 M264 Water Hose is an original part from the Cooling System Hoses and Pipes category, designed for gasoline engines of this generation. This used OEM component ensures proper coolant flow, stabilizing the engine's operating temperature and supporting the safe operation of the cooling system.

Specifications and technical data

• SKU: A2055002600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055002600
• Substitutable numbers: A2055002600, A 205 500 26 00
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The water hose in the W205 model with the M264 unit is responsible for the controlled flow of coolant between the components of the gasoline engine's cooling system. A correctly selected and sealed hose:

• maintains stable engine operating temperature,
• reduces the risk of overheating in urban and highway conditions,
• supports efficient heat dissipation from the block and head,
• ensures proper cooperation with the radiator, thermostat, and coolant pump.

Thanks to the use of an original design solution, the hose maintains its correct geometry, which facilitates installation and minimizes stress throughout the system.

Benefits of Using an Original Water Hose

Choosing an OEM part for the cooling system in a Mercedes W205 with a gasoline engine translates into a number of practical advantages. The most important include:

• Factory Fitment – the hose is designed for a specific engine bay architecture, which reduces the risk of leaks.
• Stable Cooling System Operation – the correct cross-section and length of the hose contribute to maintaining proper fluid pressure.
• Better compatibility with other system components, without the need for modifications or custom brackets.
• The ability to maintain consistency with the manufacturer's original service standards.

Characteristics of a Used Part

The offered water hose is a used part, sourced from disassembly, allowing for economical repair of the cooling system while maintaining the original manufacturer's specifications. This type of component is particularly attractive to users who:

• seek a reasonable compromise between cost and quality,
• prefer original solutions over aftermarket alternatives with uncertain parameters,
• are rebuilding the cooling system after a failure or modernizing an existing installation.

Before installation, a standard check of the seals and the condition of the connection surfaces is recommended, in accordance with the service procedures for gasoline engine cooling systems.

Professional Installation and Operation

To fully utilize the potential offered by the Mercedes W205 M264 Water Hose, it is advisable to entrust the installation to a specialized service familiar with Mercedes cooling system designs. A correctly performed hose replacement should include:

• draining and refilling with coolant compliant with the manufacturer's specifications,
• bleeding the system after installation,
• verifying for leaks after reaching operating temperature,
• checking the operation of the fans and radiator under load.

For drivers interested in a broader perspective on the impact of temperature on the cooling system and potential savings when using parts from the secondary market, we have prepared a guide – find more information in the article Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings.

Related Mercedes Cooling System Hoses and Pipes

If you are modernizing the entire coolant circuit in your car and also need other hoses, connectors, or flexible sections dedicated to this brand, check the available parts in the Mercedes Cooling System Hoses and Pipes category.