Mercedes GLA X156 Water Drain Channel Door Panel Rear Right O/S A1567320800

Mercedes GLA X156 Rear Right Door Water Drain is an original body part from the Door Upholstery group, designed for effective water drainage from the right rear door panel. Specifically designed for Mercedes GLA X156 models, it ensures proper moisture removal from the interior of the door, supporting the durability of upholstery, seals, and metal components. This is a practical solution for users who want to restore the factory functionality of the drainage system in their vehicle.

Specifications and technical data

• SKU: A1567320800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1567320800
• Substitutable numbers: A1567320800, A 156 732 08 00
• Location on the vehicle: Rear, Right
• Category: Door Panels

Purpose and Function of the Water Drain

The rear right door water drain in the Mercedes GLA X156 is responsible for the controlled drainage of water from the inside of the door panel to the outside of the vehicle. This component:

• stabilizes the water flow accumulating inside the door during rain or car washes,
• reduces the risk of moisture buildup along the lower edge of the upholstery,
• supports the anti-corrosion protection of the lower part of the door,
• helps maintain proper operating conditions for the lock mechanisms and window regulators.

With a properly functioning water drain, the risk of fogged windows, unpleasant interior odors, and accelerated corrosion of door edges is reduced.

Body Fitment and Placement

The presented component is designed for installation in the rear right door area of the Mercedes GLA X156 body. Its placement on the vehicle has been factory-defined to work with the internal door structure and factory drainage openings.

The drain is profiled to the specific door geometry, which facilitates correct seating and ensures a tight connection with the panel. This way, water is directed outwards in a controlled manner, without unwanted leakage onto upholstery elements.

Characteristics of an Original Mercedes Part

As a Mercedes brand component, the water drain has been designed in accordance with the vehicle manufacturer's requirements for fitment and compatibility with the factory door construction. The original solution ensures:

• compliance with factory mounting points in the rear right door,
• correct geometry of the water drainage channel,
• consistency with other components of the drainage system in the specific model.

Using this part allows for economical repair while maintaining the manufacturer's original technical concept, which is particularly important for precisely designed water drainage systems in modern car bodies.

Benefits of Replacing the Water Drain

Replacing a faulty or damaged water drain in the rear right door with a functional component dedicated to the Mercedes GLA X156 brings a number of practical benefits:

• reduction of moisture in the lower part of the door upholstery,
• decreased risk of corrosion on door edges and internal reinforcements,
• more stable operating conditions for lock and window regulator mechanisms,
• maintenance of the factory standard of water protection in the door area.

For workshops and private users, this means a more predictable repair outcome and a lower risk of the moisture problem recurring in the short term.

Application in Service Practice

The rear right door water drain in the Mercedes GLA X156 is particularly useful for repairs after collisions, door upholstery replacement, addressing leaks, or during body restoration. This component should be considered in situations where:

• water accumulation inside the door has been detected,
• the original drain is deformed or mechanically damaged,
• corrosion marks appear on the lower part of the door.

Selecting the correct component according to the vehicle manufacturer's designations facilitates consistency with other drainage system elements and minimizes the risk of installation problems.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other parts from the same group, such as upholstery panels, covers, or trim strips, check the available parts in the Mercedes Door Upholstery category.

If you want to better understand how to select used components based on manufacturer codes, compatibility, and intended use, a guide describing the practical principles of selecting modules and sensors might be helpful – you can find it in the article Used Car Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.