Mercedes CLS C216 Thermostat Pipe Coolant Hose Line CL 63 AMG A2782001700

The Mercedes CLS C216 CL 63 AMG Thermostat Hose Pipe is an original cooling system component from the Thermostats and Housings group, designed for use in Mercedes sport models with AMG units. The precise geometry of the pipe ensures proper coolant flow through the thermostat, which translates to stable engine operating temperature and safe thermal load on components.

Specifications and technical data

• SKU: A2782001700
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2782001700
• Substitutable numbers: A2782001700, A 278 200 17 00, A278 200 08 15, A2782000815, A278 200 06 15, A2782000615
• Part type: Thermostat
• Category: Thermostats & Housings

Purpose and Function in the Cooling System

The presented thermostat hose is a cooling system component responsible for directing coolant between the thermostat and other system components. In high-performance vehicles like the CLS and CL 63 AMG, the proper functioning of this section of the system is crucial for:

• maintaining stable engine operating temperature under heavy loads,
• reducing the risk of overheating during dynamic driving,
• ensuring correct cooperation of the thermostat with the rest of the cooling system.

Thanks to its factory fit for the specific engine architecture, the pipe maintains the correct rigidity, internal diameter, and routing, which facilitates installation and minimizes the risk of leaks.

Original Origin and Replacement Numbers

The component comes from the Mercedes line and is part of the OEM class, meaning it complies with factory quality and compatibility standards. The product has a dedicated part number and assigned replacement numbers, which makes it easier to select the appropriate variant for a specific engine configuration and vehicle year. This allows for precise matching of the pipe to the existing thermostat housing and other cooling system components.

Condition, Installation, and Service Aspects

The offered thermostat hose is a used component, allowing for economical repair while maintaining the original manufacturer's specifications. This type of part is particularly valued in workshops specializing in Mercedes AMGs, where both dimensional accuracy and the preservation of factory hose routing in the engine bay are important.

When replacing the hose, it is recommended to:

• check the condition of the thermostat housing and adjacent sections of the system,
• use new clamps and seals in accordance with manufacturer recommendations,
• bleed the cooling system after installation and refilling with fluid.

This approach minimizes the risk of further leaks and ensures stable cooling system operation after repair.

Benefits of Using an Original Thermostat Hose

Using an original hose in the Thermostats and Housings category for Mercedes CLS and CL 63 AMG offers a number of practical benefits:

• secure fit to factory spigots and mounts,
• maintenance of the coolant flow designed by the manufacturer,
• reduced risk of collision with other components in the engine bay,
• easier diagnostics and future servicing due to compliance with technical documentation.

For workshops and owners who value compliance with service documentation, choosing an original hose is a safe and predictable solution in terms of operation.

More Mercedes Cooling System Components

If you are planning a comprehensive service of your Mercedes' cooling system and need other components that work with the thermostat, such as additional hoses, housings, or connection elements, check the available parts in the Mercedes Thermostats and Housings category.

How Used OEM Parts Affect Repair Time?

For advanced models like the CLS and CL 63 AMG, the availability of used OEM parts directly impacts vehicle downtime in the workshop and the total repair cost. If you want to learn how to practically utilize such components in your daily workshop operations or for DIY repairs, read the article Availability of Car Parts Off-the-Shelf vs. Repair Time – How Used OEM Shortens Workshop Stays?.