Mercedes R V251 Door Bottom Sealing Gasket Rear Right O/S A2516903862

Mercedes R V251 Door Bottom Sealing Gasket Rear Right O/S is an original body component from the Door seals group, designed for installation in the rear right area of the vehicle. The precisely fitted sealing profile helps reduce noise, improves cabin acoustic comfort, and supports protection against moisture and contaminants. This used OEM component is a sensible choice for maintenance repairs where factory fitment and predictable performance are essential.

Specifications and technical data

• SKU: A2516903862
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516903862
• Substitutable numbers: A2516903862, A 251 690 38 62
• Location on the vehicle: Rear, Right
• Part type: Door Seal
• Category: Door Seals

Purpose and vehicle placement

The presented seal is designed for installation in the rear right part of the body, in the lower door area. This placement means the component operates in an area particularly exposed to water, mud, road salt, and fine debris, which is why the correct choice of profile and material stiffness is crucial for the sealing of the entire door perimeter.

A properly selected bottom seal:

• limits moisture penetration into the threshold and door upholstery,
• supports the reduction of road noise and noise generated by tires,
• stabilizes the door closing line, improving user comfort.

Technical and functional characteristics

As an OEM component for Mercedes vehicles, the door bottom seal is profiled for the specific body geometry of the R V251 series. This ensures the correct length, shape, and contact points with the door skin and structure, which translates into proper pressure distribution around the perimeter and stable sealing of the bottom edge.

Key functional features:

• factory fitment for the rear right side of the vehicle,
• designed water drainage path from the lower door area,
• compatibility with original mounts and edge routing.

Benefits of using an original seal

Using an original bottom seal on the rear right door allows for maintaining the structural integrity of the body and predictable vehicle behavior in daily use. Factory fitment reduces the risk of leaks, rattles, or unwanted vibrations resulting from imprecise door closing.

In practice, this means:

• more stable operating conditions for electrical installations routed in the doors,
• lower risk of moisture in upholstery and soundproofing elements,
• maintaining acoustic comfort close to the factory level.

Component condition and service application

The seal belongs to the group of used parts, making it an attractive solution for maintenance service or post-accident repairs when the priority is combining original origin with a cost-effective purchase. This type of component will work well both for local repair of a single door and for broader bodywork and paint jobs in the rear part of the body.

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 lower sealing sections, side profiles, or upper contact sections, check the available parts in the Mercedes door seals category.

More about selecting used body components

When replacing door seals, it is worth paying attention to the general condition of the body and how new and used body components work together. Well-selected parts from disassembly can effectively restore the functionality and aesthetics of the vehicle while maintaining a reasonable repair budget. You can find more practical tips on using used body parts in the article Replacing body components with used ones – can body parts from disassembly look like new?.