Mercedes W204 W212 Coolant Cooling Hose Pipe Line M272 Engine A2722030182

Mercedes W204 W212 Coolant Cooling Hose Pipe Line is an original component from the Cooling system hoses and pipes group, designed for operation in the M272 engine cooling system in Mercedes C-Class W204 and E-Class W212 models. This used OEM component ensures proper coolant flow, stabilizing the engine's operating temperature and supporting the vehicle's safe operation.

Specifications and technical data

• SKU: A2722030182
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2722030182
• Substitutable numbers: A2722030182, A 272 203 01 82
• Category: Coolant Hoses

Technical characteristics of the cooling hose

The presented cooling hose is a system component responsible for transporting coolant between M272 engine subassemblies and cooling accessories. The hose design is matched to the geometry of the engine bay in Mercedes W204 and W212 models, which allows for secure hose routing, vibration reduction, and minimization of abrasion risks during operation.

Thanks to its factory shape and diameter, the hose maintains the correct flow cross-section, which promotes stable thermal engine operation, proper fluid circulation, and the reduction of localized overheating. This is particularly important in M272 gasoline engines, where uniform cooling affects the durability of cylinder heads, gaskets, and other system components.

Purpose and fitment for Mercedes W204 / W212

The Mercedes W204 W212 Coolant Cooling Hose Pipe Line has been designed for use in Mercedes C-Class W204 generation and E-Class W212 generation vehicles. This means compatibility with factory mounting points, brackets, and routing in the engine bay, which facilitates installation and reduces the need for additional modifications.

The original Mercedes brand origin helps maintain the integrity of the entire cooling system – from the radiator, through the hoses, to the connectors and fittings. In practice, this translates into:

• secure fitment with other cooling system components,
• reduced risk of leaks at connections,
• easier diagnostics and future maintenance.

Benefits of using an original cooling hose

Using an original hose instead of a worn-out or non-factory replacement allows for restoring proper coolant circulation and reducing the risk of failures related to engine overheating. For M272 units, this is significant for both mechanical durability and the stability of operating parameters during city and highway driving.

Key advantages of this solution include:

• Factory fitment – the hose is prepared to work with the Mercedes cooling system without the need for modifications.
• Stable fluid flow – the properly selected cross-section and shape support uniform engine cooling.
• Consistency with other OEM components – easier part identification and planning of future cooling system repairs.

Condition and use in cooling system service

This item comes from dismantling and is intended for users and workshops looking for a verified, original hose for repair or replacement in the cooling system of a Mercedes with an M272 engine. This type of component is particularly useful when fixing leaks, replacing worn hoses, or during comprehensive cooling system service after a thermal failure.

Hose replacement is recommended, among other situations, when there are visible signs of cracks, rubber deterioration, deformation, or if the cooling system was previously leaking. Using an original hose allows for restoring the factory hose routing geometry and improving the overall reliability of the entire system.

Cooling system expansion and related components

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 additional pipes, tubes, or flexible cooling hoses, check the available parts in the Mercedes cooling system hoses and pipes category.

To better understand the impact of temperature on the durability of hoses, radiators, and fans, and to plan your service consciously, it is worth checking our guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. You will find practical tips there on how to take care of the cooling system and optimally use parts from dismantling.