Mercedes SLK R172 Door Sill Seal Gasket Rubber Front Right O/S A1727200454

Mercedes SLK R172 Door Sill Seal Gasket Rubber Front Right O/S is an original, used body component designed for installation on the passenger side. It ensures a tight seal between the door and the body, improving acoustic comfort, protection against moisture, and door operation stability. Thanks to its factory fitment, it serves as a reliable service solution for body repairs on the SLK R172 model.

Specifications and technical data

• SKU: A1727200454
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1727200454
• Substitutable numbers: A1727200454, A 172 720 04 54
• Location on the vehicle: Front, Right
• Part type: Door Seal
• Category: Door Seals

Purpose and function in the bodywork

The presented door sill seal belongs to the Door seals category and is specifically designed for installation on the front right side of a Mercedes SLK R172 generation. Its task is to limit the ingress of water, dirt, and air into the vehicle interior in the sill area and to improve acoustic comfort while driving.

The factory fitment to the specific body model allows for maintaining the correct door closing geometry, which translates into stable lock operation, reduction of rattles, and proper adhesion of the door leaf to the body.

Construction and mounting fitment

The seal is made of flexible rubber material, adapted to work in variable temperature conditions and under regular mechanical stress during door opening and closing. The working profile has been shaped to work with the factory sill and door edge in the SLK R172, without the need for additional modifications.

Thanks to the original mounting geometry, it is possible to:

• maintain the correct door-to-sill contact line,
• reduce leaks in the lower part of the door opening,
• maintain the consistent aesthetics of the factory sill area finish.

Service application and benefits of installation

Replacing the right-side door sill seal is recommended in case of wear, cracks, deformation, or loss of material elasticity. Using an original Mercedes component allows you to:

• restore proper sealing in the front door sill area,
• reduce road noise and wind noise in the cabin,
• increase protection against corrosion in the lower part of the door opening.

A used, functional component is a reasonable choice for maintenance repairs when the priority is to maintain factory fitment at controlled service costs. The original origin of the component facilitates trouble-free installation and compatibility with other door seals.

Integration with other body components

The seal works with other front door seals on the right side, creating a coherent protection system for the sill area. Proper installation affects:

• stable door guidance in the lower part of the opening,
• reduction of air drafts at higher speeds,
• maintaining the appropriate pressure of the door leaf against the body.

This makes it possible to maintain the comfort of use characteristic of the Mercedes brand, without the need for non-factory solutions.

Expanding the scope of repairs – Mercedes Door seals

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

If you are also interested in the subject of elements affecting engine performance and are considering using aftermarket components, it is worth reading an article discussing the exhaust gas recirculation system and the selection of used components: EGR: what it is and why it is worth considering used EGR valves.