Mercedes SLK R171 M272 Coolant Hose Heat Exchanger Pipe Line A1718302996

Mercedes SLK R171 M272 Coolant Hose Heat Exchanger Pipe Line is a precisely shaped cooling system component designed to work with the oil heat exchanger in the M272 engine. It is responsible for the stable flow of coolant between the cooling system and the oil cooler, which supports safe operating conditions for the power unit and reduces the risk of overheating. This solution is dedicated to Mercedes vehicles, ensuring proper geometric fitment to the factory installation.

Specifications and technical data

• SKU: rhd-A1718302996
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1718302996
• Substitutable numbers: A1718302996, A 171 830 29 96, A1718302496, A 171 830 24 96
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented hose belongs to the Cooling system hoses and pipes group and operates in the coolant circuit serving the engine oil heat exchanger. Its task is to:

• ensure a stable flow of coolant to the oil cooler,
• maintain the appropriate oil temperature in the M272 engine,
• limit thermal spikes that can accelerate wear of the power unit.

Thanks to the proper routing of the cooling medium, the hose supports even heat dissipation from the heat exchanger area, which is important for both engine durability and the stability of operating parameters in urban conditions and under highway loads.

Benefits of using an original Mercedes hose

The element was designed specifically for the cooling system in Mercedes vehicles with the M272 engine, which translates into a number of practical assembly and operational advantages:

• factory connection geometry matched to the heat exchanger ports and cooling installation,
• properly selected hose wall flexibility, facilitating installation in the tight space of the engine compartment,
• compatibility with original clamps and guide brackets,
• preservation of the coolant flow path designed by the manufacturer.

Selecting a hose from the same design group as the factory component reduces the risk of leaks, twists, or excessive material stress, which is particularly important in the zone operating at elevated temperatures.

Product characteristics and condition

The hose is an original solution used in Mercedes vehicles, which helps maintain the integrity of the entire cooling system. The product is offered in used condition, meaning it comes from disassembly and is intended for users looking for an economical yet technically matched component for repairing or replacing an existing hose.

Before installation, a standard visual inspection for any signs of wear is recommended to ensure proper operation in the vehicle and to avoid leaks in the coolant circuit.

Selection and integration with the cooling system

To correctly select this hose for a specific car, it is worth verifying compatibility with the cooling system and the oil cooler used in the given model. It is important to match:

• the shape and length of the hose for routing in the engine compartment,
• the diameter of the ends to the heat exchanger ports and installation,
• the type of connectors and clamps used.

A properly selected hose allows for maintaining a stable oil and coolant operating temperature, which has a direct impact on engine longevity and operational safety across a wide range of road conditions.

Related cooling system components and technical knowledge

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 lines, return hoses, or sections connecting to the radiator, check the available parts in the Mercedes cooling system hoses and pipes category.

For a better understanding of the impact of an efficient coolant circuit and oil cooler on the durability of the power unit, it is worth reading the technical guide Engine cooling system – overheating, repair, and used radiators, which discusses practical aspects of diagnostics and operation of cooling systems in modern cars.