Mercedes-Benz C CLK Class W203 C209 1 Independent Heating Pipe Hose A2038301996

The Mercedes C CLK W203 C209 Auxiliary Heater Hose is an original heating system component designed for precise coolant routing in Mercedes C-Class and CLK vehicles. With its tailored geometry and factory specifications, it ensures stable operation of the auxiliary heating circuit and proper connection with other system components. This solution is dedicated to users who expect compliance with the manufacturer's design and predictable system behavior during long-term use.

Specifications and technical data

• SKU: A2038301996-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038301996
• Substitutable numbers: A2038301996, A 203 830 19 96, BG
• Category: Hoses, Lines & Pipes

Purpose and Function in the Heating System

The presented heater hose is responsible for routing the heating medium in an auxiliary circuit, working in conjunction with cooling and cabin heating system elements. Its task is to maintain a sealed, temperature-resistant connection between components, which translates to efficient interior heating and even heat distribution.

This part belongs to the Hoses, Tubes, and Pipes group, meaning it is designed to operate in an environment with operational fluids, under variable thermal and pressure loads typical for Mercedes vehicle heating systems.

Compatibility with Mercedes C and CLK

The hose has been developed specifically for Mercedes C W203 and CLK C209 platforms, ensuring:

• proper routing in the engine bay without interfering with other components,
• compatibility with factory heater system spigots and connectors,
• maintenance of the original hose route in accordance with the manufacturer's design.

This allows for an organized installation, minimizing the risk of stress, twisting, or leaks, which contributes to trouble-free heating system operation.

Characteristics of the Used Part

The offered heater hose is a used part, removed from a vehicle, allowing for economical repair while maintaining original manufacturer specifications. Such components are often chosen when the priority is:

• maintaining the factory routing of hoses and mounting points,
• reducing service costs while using OEM-grade parts,
• ensuring system consistency with other heating system components.

Proper selection of the hose for a specific engine version and vehicle equipment avoids modifications and ensures predictable behavior of the entire heating circuit.

Benefits of Using an Original Heater Hose

Using a dedicated heater hose in Mercedes C and CLK offers a range of practical service and operational benefits:

• Factory Fitment – compatibility with mounting systems, spigot diameters, and installation routes.
• Stable operation of the auxiliary heating circuit – reducing the risk of air ingress and leaks.
• Easier diagnostics – maintaining the original configuration simplifies work for mechanics and service centers specializing in the Mercedes brand.

For users who want to maintain the vehicle's construction to manufacturer standards, this part is a practical solution for a consistent heating system repair.

Related Parts from the Mercedes Hoses and Tubes Group

If you are planning a comprehensive repair or upgrade of the cooling and heating system area in your Mercedes and need other parts from the same group, such as flexible fluid hoses, rigid guide pipes, or additional auxiliary hose sections, check the available parts in the Mercedes Hoses, Tubes, and Pipes category.

To compare manufacturers' approaches to preserving brand character and the role of original components in maintaining driving characteristics and comfort, it is worth reading an article describing how appropriately selected used parts influence a vehicle's DNA: Audi and pure emotion – how used parts help maintain brand DNA.