Mercedes W447 Sliding Door Seal Rubber Sealing Gasket Right O/S A4477310300

Mercedes W447 Sliding Door Seal Right is an original part from the door seals category, designed for the right side of the body in W447 series models. It ensures a tight seal for the sliding door, reducing noise, moisture ingress, and unwanted contaminants from entering the vehicle's interior.

Specifications and technical data

• SKU: A4477310300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4477310300
• Substitutable numbers: A4477310300, A 447 731 03 00
• Location on the vehicle: Right
• Part type: Door Seal
• Category: Door Seals

Purpose and Fitment

The seal has been specifically designed for the right-side sliding door of Mercedes W447 class vehicles. Its construction adheres to the manufacturer's factory standards, ensuring a precise fit to the door aperture shape and proper interaction with the door's running mechanism.

Its dedicated placement on the right side of the vehicle minimizes the risk of stress, leaks, and improper closing, which often occur when using universal aftermarket parts.

Technical and Functional Characteristics

The original sliding door seal for the Mercedes W447 performs several key operational functions:

• Door Perimeter Sealing – preventing water, dust, and dirt from entering the cabin.
• Noise Reduction – improving acoustic comfort by minimizing air noise during driving.
• Door Position Stabilization – supporting the proper running and closing of the sliding door.
• Body Edge Protection – reducing the risk of abrasion and corrosion in the sill and pillar areas.

The seal's profile is adapted to the geometry of the W447 sliding door, allowing for the preservation of factory-standard sealing performance and driving comfort.

Condition of the Part and Benefits of Using a Used Part

The offered seal is a used part, presenting a cost-effective solution for users seeking original components at a reasonable price. Unlike many aftermarket replacements, a part sourced from disassembly retains its factory geometry and material hardness, which is crucial for sealing and durability after installation.

Using an original, used sliding door seal allows you to:

• maintain the structural integrity of the body in the sliding door area,
• ensure proper adhesion to the car body without additional modifications,
• reduce service costs while maintaining manufacturer standards.

Why Choose This Mercedes W447 Sliding Door Seal

Replacing a worn or damaged right-side sliding door seal is important not only for comfort but also for protecting the bodywork from corrosion. The Mercedes W447 Sliding Door Seal Right helps restore proper door closing, improve acoustic insulation, and reduce moisture ingress into the interior.

This solution is particularly recommended for vehicles used intensively – both in fleet and private applications – where stable door sealing directly impacts the durability of upholstery, plastic components, and electrical systems in the sill area.

Other Mercedes Door Seals

If you also need other Mercedes door seals for your vehicle, check out the Mercedes door seals available in our store to find a complete solution for your entire vehicle body.

For drivers interested in car modifications and upgrades, we also recommend an article about sporty MINI versions – find more information in the material MINI John Cooper Works – what sets it apart and how to upgrade your MINI?, which shows how to consciously select used components for car modernization.