Coolant Hose Mercedes SLK Roadster R172 Petrol M271 Heater Line A1728300196

The Mercedes SLK R172 Gasoline M271 Heater Water Hose is an original cooling system component designed for gasoline engines, ensuring stable coolant flow to the heater. Thanks to its precise fit for the M271 engine unit and the R172 body, this hose helps maintain the correct operating temperature of the cabin heating system. It's a practical solution for users seeking a proven OEM component for professional repair or replacement of a worn-out hose.

Specifications and technical data

• SKU: A1728300196
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728300196
• Substitutable numbers: A1728300196, A 172 830 01 96
• Fuel type: Petrol
• Category: Other Car Parts & Accessories

Heater Water Hose Purpose and Function

The presented heater water hose is specifically designed for the Mercedes SLK R172 with the M271 gasoline engine. It is responsible for transporting coolant between the engine and the heater, enabling efficient heating of the vehicle's interior and stabilizing the engine's operating temperature. A correctly selected hose minimizes the risk of leaks, pressure drops in the system, and overheating of cooperating components.

Compatibility and Cooling System Fit

The hose is structurally adapted to the engine bay geometry of the SLK R172, ensuring the correct routing between the cooling system and heater connections. The appropriately selected diameter and profile of the hose facilitate installation and reduce stress during engine operation, vibrations, and temperature changes. Using a dedicated part avoids problems typical of universal hoses, such as improper positioning or rubbing against adjacent components.

Performance Characteristics and Benefits of Use

Replacing a worn or brittle hose with an original heater water hose for the SLK R172 gasoline engine offers tangible operational benefits:

• stable coolant flow in the heater circuit,
• reduced risk of leaks and coolant level drops,
• maintained efficiency of the cabin heating system,
• better control of the M271 engine's operating temperature,
• easier diagnosis of potential cooling system faults.

By using an original Mercedes component, compliance with the manufacturer's factory specifications is maintained, which is important for both the durability and operational safety of the vehicle.

Component Condition and Installation Aspects

The offered heater water hose is a used part, allowing for an economical repair while maintaining the original manufacturer's specifications. The hose is intended for installation in the gasoline engine's cooling system, and its design allows for servicing in accordance with workshop procedures for the M271 unit. It is recommended to install with new hose clamps and to check the entire circuit for leaks after starting the engine.

System Expansion and Selection of Related Components

If you are planning a comprehensive engine area repair or upgrade for your Mercedes and need other parts from the same group, such as additional coolant hoses, connectors, or heater system fittings, check the available parts in the Other Mercedes category.

Technical Support and Knowledge of Performance Drivetrains

For users interested in comparing technical solutions used in different brands and engine versions, including powerful gasoline engines, an article describing the differences in drivetrain, brake, and chassis construction in high-performance models may be helpful. More information can be found in the material Audi RS vs. Other Models – What's Under the Hood and Chassis?, which helps to better understand the demands placed on components in dynamic vehicles.