Mercedes W251 Strip Front Right O/S Door Sealing Frame A2517200678

The Mercedes W251 Front Right Door Seal Frame is a precisely fitted body component designed for installation in the front right door. It is responsible for the airtight closure of the door frame, improving acoustic comfort, and protecting the interior from water and contaminants. Thanks to its factory geometry and appropriate profile, it serves as a functional service solution for door repairs in Mercedes W251 models.

Specifications and technical data

• SKU: A2517200678
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2517200678
• Substitutable numbers: A2517200678, A 251 720 06 78
• Location on the vehicle: Front, Right
• Category: Door Seals

Purpose and Function of the Door Seal

The presented seal belongs to the Door Seals category and is specifically designed for installation in the front right door of Mercedes W251 vehicles. Its profile is adapted to the shape of the door frame, allowing for:

• limiting the ingress of water and moisture into the vehicle's interior,
• reducing wind noise while driving,
• stable guidance of the door leaf within the body contour,
• maintaining the correct sealing line between the window and the door panel.

Its placement on the vehicle in the front – right side area makes this component significant for both the driver's or passenger's comfort and the overall cabin's airtightness.

Benefits of Using an Original Frame Seal

The door frame seal dedicated to the Mercedes W251 offers a range of practical benefits for daily vehicle operation. The most important include:

• Factory Geometric Fit – the seal's profile matches the door frame's shape, facilitating installation and reducing the risk of leaks.
• Stable Adhesion to the Body – appropriately selected material hardness and elasticity promote even pressure along the entire perimeter.
• Improved Acoustic Comfort – a properly selected seal helps reduce wind noise and minor door vibrations.
• Support for Door Mechanism Operation – a correctly installed seal aids in closing the door and reduces stress on the hinges and lock.

Installation and Operational Characteristics

The component is intended for installation in the front right door frame area, following the factory seal routing. Proper placement in the grooves and on the door edges ensures:

• continuity of the sealing line at the junction of the door and the body,
• correct operation of the lock and latches when closing,
• appropriate pressure in the upper part of the frame, near the window and the A-pillar.

The product is from the used parts group, making it a cost-effective solution for vehicle servicing where maintaining the original door and body structure is crucial.

Application in Service and Body Repairs

Replacing the door frame seal is recommended when the existing element shows signs of wear, such as loss of elasticity, localized deformation, or leaks manifesting as noise or water ingress. Using a dedicated seal for the Mercedes W251 allows for:

• restoring the door area's airtightness after bodywork and paint repairs,
• reducing unwanted noises from the door area at higher speeds,
• maintaining the body's technical consistency with manufacturer-applied solutions.

This approach is particularly important in vehicles where maintaining original comfort and interior protection parameters is a priority.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as additional frame seals, sill seals, or perimeter seals, check the available parts in the Mercedes Door Seals category.

Interior Modernization Extension

When working on the doors and improving body airtightness, it's also worth considering refreshing the vehicle's interior to fully utilize the improved acoustic comfort. For inspiration on selecting interior components and practical tips, refer to the article Car Interior Tuning with Global Parts, which describes how to improve the ergonomics and appearance of the car's interior using used components.