Mercedes GLA X156 Door Seal Window Guide Rail Front Right O/S Gasket A1567250225

The Mercedes GLA X156 Front Right Window Frame Seal is a precisely fitted body component responsible for the sealing and stable operation of the front right window. The original construction from the Window Seals and Trim category ensures proper adhesion to the door frame, reducing wind noise and the risk of moisture ingress into the cabin. This used component offers a functional solution for post-accident repairs, replacement of worn seals, or restoring factory acoustic comfort parameters.

Specifications and technical data

• SKU: A1567250225
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1567250225
• Substitutable numbers: A1567250225, A 156 725 02 25
• Location on the vehicle: Front, Right
• Category: Window Seals, Gaskets & Trims

Purpose and Body Fitment

The presented window frame seal has been specifically designed for the Mercedes GLA X156 model, taking into account the door geometry and window guides on the passenger side. Its placement on the vehicle, specified as front – right side, guarantees proper alignment with the door structure, which translates to stable window operation throughout its entire range of movement.

Thanks to its factory geometry, the element maintains appropriate pressure against the window and frame, helping to reduce:

• air drafts at higher speeds,
• water ingress during precipitation or vehicle washing,
• undesirable vibrations and play in the window operation.

Technical and Functional Characteristics

The front right window frame seal serves as both a guide and a sealing element. Its appropriately shaped profile works in conjunction with the window lifting mechanism, ensuring smooth movement without jamming or excessive resistance. The design intended by the vehicle manufacturer allows for maintaining proper window pressure against the frame, which is important for both acoustic comfort and protecting the interior from external factors.

As a component from the Window Seals and Trim group, this part is crucial for comprehensive door repairs, window replacement, or restoring factory sealing levels after removing upholstery and accessories.

Component Condition and Service Application

The offered seal is a used component, making it an attractive solution for economical body repairs, especially for daily driven vehicles. This type of element is suitable for situations where:

• the original seal is cracked, deformed, or leaking,
• a replacement of the window frame on one side of the vehicle is necessary after a collision,
• noises are present around the front passenger door.

Using an original part helps maintain the factory body lines and proper window-to-frame fit, which is particularly important in premium vehicles like the Mercedes GLA.

Benefits of Using an Original Seal

Using the original window frame seal in the Mercedes GLA X156 offers a range of practical service and user benefits. The most important include:

• Factory Fitment – no need for modifications, drilling, or forcing the profile into place.
• Stable Window Operation – reduced risk of jamming, knocking, and play during opening and closing.
• Improved Acoustic Comfort – reduction of wind noise and external noise at higher speeds.
• Interior Protection – a better barrier against water, moisture, and contaminants entering through the window perimeter.

Additional Information and Related Products

If you are planning a comprehensive window perimeter restoration for your Mercedes and are also interested in other sealing elements and guide rails dedicated to this brand, check out the available parts in the Mercedes Window Seals and Trim category.

For more extensive service work, including electronic systems and sensors, a practical guide on selecting and installing used control modules may be helpful – you can find it in the article Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?.