Coolant Hose Mercedes W204 W212 M272 Engine Control Unit Line Pipe A2722030282

Mercedes W204 / W212 Coolant Hose for M272 family engines is an engine control system component responsible for precisely directing coolant in the engine control unit area. Thanks to its construction in accordance with factory Mercedes standards, it ensures proper medium flow and stable thermal conditions in the vicinity of critical electronic components.

Specifications and technical data

• SKU: A2722030282
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2722030282
• Substitutable numbers: A2722030282, A 272 203 02 82
• Category: Fan Clutches

Application and Function in the Cooling System

The hose is designed for Mercedes C-Class (W204) and E-Class (W212) models equipped with the M272 engine, where it serves as a dedicated line for directing coolant in the engine control unit area. The appropriate shaping of the pipe allows for collision-free routing within the engine bay, maintaining required distances from hot and moving parts.

By preserving the original geometry and internal diameter, the hose supports:

• stable temperature conditions in the engine control unit area,
• proper coolant circulation in the local circuit,
• reduction of overheating risk for sensitive electronics.

Construction and Fit for Mercedes W204 / W212

This component belongs to the Fan Clutches group, which in practice means a close connection to the engine bay cooling and temperature management system. The hose's construction is optimized for cooperation with the factory Mercedes cooling system, including the fan, radiator, and M272 engine accessories.

Original origin from the Mercedes brand translates to:

• precise fit to mounting points on the body and engine,
• appropriate rigidity and vibration resistance,
• compatibility with factory connectors and mounting clamps.

Condition, Verification, and Benefits of Using a Used Part

The hose is offered as a used part, allowing for economical repair of the cooling system while maintaining original manufacturer specifications. This type of component, sourced from disassembly, is particularly attractive for older W204 and W212 models where structural conformity and reasonable service costs are a priority.

Using an original hose instead of an aftermarket alternative reduces the risk of installation problems, leaks, or improper coolant flow, which is important for the durability of the engine control unit and the stable operation of the powertrain.

Why Choose This Coolant Hose

Replacing the hose in the engine control unit area is recommended for any signs of wear, such as micro-cracks, deformation, or signs of leakage. A properly selected component helps maintain a safe operating temperature for electronic components, leading to a reduced risk of breakdowns and costly repairs.

This coolant hose for Mercedes W204 / W212 with the M272 engine will be suitable for users who expect:

• compliance with factory cooling system specifications,
• stable operating conditions for the engine control unit,
• a reasonable compromise between cost and quality of the component.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as hoses, clutches, or mounting elements, check the available parts in the Mercedes Fan Clutches category.

For a better understanding of the relationship between the cooling system and engine power supply, as well as how to select components by part numbers, it is worth consulting the service guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.