Mercedes W251 Quarter Panel Pressure Vent Rear Right O/S A2518300142

Mercedes W251 Quarter Panel Pressure Vent Rear Right O/S is an original body component from the Cladding, trim and decorative elements group, designed for installation in the rear right section of the vehicle. It ensures proper ventilation of the wheel arch area and provides an aesthetic finish to the fender, maintaining the factory body line characteristic of Mercedes.

Specifications and technical data

• SKU: A2518300142
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2518300142
• Substitutable numbers: A2518300142, A 251 830 01 42
• Location on the vehicle: Rear, Right
• Part type: Trim Strip
• Category: Trim

Purpose and function of the component

The rear right pressure vent for the Mercedes W251 is responsible for controlled airflow within the wheel arch and trunk area. A correctly selected component helps reduce the accumulation of moisture and debris, which promotes the maintenance of stable conditions for the bodywork and mounting elements in this area. Its placement on the vehicle in the rear – right side zone means the vent serves both a technical and visual role – it masks technological openings while streamlining the side profile of the body, fitting perfectly into the factory design of the W251.

Construction and body fitment

The component has been designed as part of the body cladding and decorative trim system, ensuring proper fitment with the fender and adjacent panels. The design of the vent allows for free airflow while limiting the ingress of larger debris from the outside. As a component from the Cladding, trim and decorative elements group, the pressure vent is matched to the factory mounting points in the Mercedes W251, which facilitates installation and allows for the preservation of the original body geometry without the need for modifications.

Benefits of using an original pressure vent

• Maintaining a consistent appearance of the side body section in accordance with the manufacturer's design.
• Ensuring controlled airflow within the rear wheel arch and trunk area.
• Reducing the risk of moisture and dirt accumulation in the space behind the fender.
• Factory fitment to the body lines and mounting points in the Mercedes W251.
• The ability to restore the vehicle's original appearance after body repairs or replacement of damaged parts.

Characteristics of the used component

The offered pressure vent is a used component, sourced from dismantling, which allows for an economical repair while maintaining the original manufacturer's specifications. Such components are particularly useful for post-accident repairs and restoring the vehicle to a near-factory condition without the need for aftermarket replacements with uncertain fitment. Using an original vent in the rear right part of the body facilitates the maintenance of even gaps between body panels and ensures the correct adhesion of cladding and decorative trims in the fender zone.

Related Mercedes body components

If you are planning a comprehensive repair or upgrade of the side body zone in your Mercedes and need other components from the same group, such as covers, overlays, or additional decorative trims, check the available parts in the Mercedes Cladding, trim and decorative elements category.

Safe selection of used components

When choosing used body and equipment components, it is worth paying attention to their usage history and origin. To better understand how to consciously approach the purchase of dismantled parts and what to look for when assessing their technical condition, read the article: Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?