Mercedes-Benz C CLK W203 C209 Windscreen Panel Water Drain Pipe Hose A2036281569

The Mercedes-Benz C/CLK W203 C209 Windshield Drain Hose is an original component of the water drainage system around the windshield, designed for C-Class and CLK models. Thanks to its precise fit to the factory cowl panel, it ensures efficient water drainage from the cowl panel, reducing the risk of moisture ingress into the engine bay and electrical components. A used OEM component is a sensible choice for drivers seeking a functional and economical service solution.

Specifications and technical data

• SKU: rhd-A2036281569
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036281569
• Substitutable numbers: A2036281569, A 203 628 15 69, KZ
• Category: Bonnet Panels

Purpose and Technical Function

The hose in question is part of the cowl panel drainage system in Mercedes C-Class W203 and CLK C209 vehicles. Its function is to direct rainwater and wiper water from the windshield area away from critical body zones. A properly functioning drain reduces moisture accumulation near the bulkhead, electrical harnesses, and mechanical components, contributing to stable vehicle operation.

Why Choose an Original Water Drain Hose

Using an original drain hose in your Mercedes offers several practical benefits:

• factory fit to the cowl panel and body mounting points,
• preservation of the manufacturer's designed water flow path,
• reduced risk of leaks and uncontrolled water ingress into the engine bay,
• compatibility with factory covers and trim pieces.

This allows the hose to be integrated into the existing drainage system without modifications, ensuring efficient installation and predictable performance.

Component Condition and Installation Aspects

The offered water drain hose is a used part, enabling an economical repair of the drainage system while maintaining the original manufacturer's specifications. This type of component is installed in the cowl area, in close proximity to the windshield and hood, making it important to ensure proper hose routing and correct seating in its sockets and mounts.

During installation, it is recommended to:

• check the drain channel for blockages,
• inspect the condition of sockets and seals in the cowl panel,
• test water flow after installation to confirm proper drainage.

Application in the Body and Cowl System

The hose works in conjunction with body components in the Hoods category and cowl covers, forming a cohesive system for protection against water and debris. A properly functioning drain reduces the risk of corrosion in the area of hood mounts, hinges, and bulkhead structural elements, which is important for both durability and future vehicle servicing.

If you are modernizing or repairing the drainage system around the windshield and need other body parts from this brand, check the available parts in the Mercedes Hoods category.

Used Parts vs. Repair Cost-Effectiveness

Choosing a used water drain hose for your Mercedes is a compromise between cost and maintaining the original system design. In many cases, using original, used components allows for technical consistency of the vehicle without the need to invest in more expensive aftermarket alternatives. If you are interested in a broader context of using used components in automotive applications, it is worth reading the article discussing the durability and rationale of installing parts from the secondary market: Volkswagen – Solidness and Reliability. Why Used VW Parts Are a Sensible Choice?.