Upper Coolant Hose Mercedes W212 W218 E 63 AMG Engine Radiator Right O/S Hose

Upper Coolant Hose Mercedes W212 W218 E 63 AMG Engine Radiator Right O/S Hose is an original cooling system component designed for petrol engines. As part of the Lines, hoses and pipes group, it ensures proper coolant flow between the engine and the radiator on the right side of the vehicle, which directly impacts the stable operating temperature of the power unit. This used OEM component is a sensible choice for servicing advanced AMG units, combining factory fitment with an attractive price.

Specifications and technical data

• SKU: A2185010482
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2185010482
• Substitutable numbers: A2185010482, A 218 501 04 82, BG
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

This upper radiator hose is designed to operate in the cooling system of petrol engines in Mercedes E-Class W212 and CLS-Class W218 models in the E 63 AMG version. The component routes coolant between the engine and the radiator on the right side, maintaining proper medium circulation and supporting stable heat dissipation from the power unit.

The placement on the right side of the vehicle allows for precise alignment with factory hose routing, mounts, and radiator/engine ports. As a result, the hose operates in an optimal position, without unwanted tension or twisting, which reduces the risk of leaks during long-term use.

Benefits of using an original hose

Using an original hose in an AMG cooling system provides a number of practical benefits:

• factory fitment to engine and radiator ports, with no modifications required,
• maintenance of correct hose routing geometry in the engine bay,
• material resistance to temperature and pressure typical for high-power petrol units,
• consistency with other Mercedes cooling system components.

Thanks to this, the hose supports stable cooling system operation, which is particularly important in powerful AMG engines that often operate under higher thermal loads.

Installation characteristics

The hose is intended for installation in place of the factory component on the right side of the engine bay. The design, tailored to the specific E 63 AMG configuration, facilitates the mechanic's work – the component aligns with the original path, which shortens service time and minimizes the risk of incorrect installation.

As a used part, the hose provides an economical solution while maintaining compliance with factory specifications. It is a good option for repairs where combining proper functionality with service cost control is key.

Application in AMG petrol engines

The cooling system in AMG petrol engines is designed with high thermal loads in mind, which is why selecting the right hose is important for the durability of the entire system. This component works with other cooling system parts, maintaining proper fluid flow and supporting even heat dissipation from the engine block and cylinder heads.

A properly selected hose reduces the risk of overheating, performance drops, and potential damage resulting from operation at excessively high temperatures. This is especially important in vehicles driven dynamically, where the cooling system operates across a wide range of loads.

Cooling system service expansion

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 cooling system lines, hoses, or pipes, check the available parts in the Mercedes lines, hoses and pipes category.

When planning cost-effective repairs using used parts, it is also worth learning about the broader economic context of such a solution – you will find practical tips in the article Smart Skoda servicing – why second-hand parts are the best choice for your wallet, which shows how to consciously use second-hand components in daily vehicle maintenance.