Mercedes C238 Coupe Rear Quarter Glass Rail Black Left N/S A2387350100

Mercedes C238 Coupe Rear Quarter Glass Rail Black Left N/S is a precision body component designed for the Mercedes C238 Coupe, responsible for the stable guidance and aesthetic finish of the rear quarter glass. By being perfectly matched to the specific model, it ensures the correct geometry of the glass seating and a consistent look for the vehicle's side profile. This solution is intended for users who want to maintain the factory character of the car while keeping maintenance costs reasonable.

Specifications and technical data

• SKU: A2387350100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2387350100
• Substitutable numbers: A2387350100, A 238 735 01 00
• Location on the vehicle: Rear, Left
• Category: Body Mouldings & Trims

Purpose and body fitment

The rear quarter glass guide rail has been designed specifically for the C238 series Coupe body, intended for the left side of the rear of the vehicle. Its placement in the rear side glazing zone means this component is responsible for both the proper guidance of the glass and the visual closure of the window line. The black color of the trim allows for harmonious integration with factory seals, frames, and other trim elements.

Technical function and operational role

The rear quarter glass guide rail performs several important structural functions:

• stabilizes the glass in the guide during opening and closing,
• reduces unwanted play and vibrations while driving,
• supports the maintenance of the correct glass position relative to the seals,
• contributes to the tightness of the rear glazing area.

As a result, the acoustic and operational comfort in the cabin remains at a level close to the factory standard, and the operation of the window mechanism is more predictable and consistent.

Component characteristics and benefits of installation

The offered trim belongs to the group of Protective and decorative trims, which means it combines technical and aesthetic functions. The black finish profile for the rear quarter glass in the C238 coupe:

• visually organizes the side line of the body,
• masks structural edges in the rear glazing zone,
• enables the maintenance of a consistent look with other trims and seals.

Choosing an original solution dedicated to Mercedes allows you to avoid fitment problems typical of universal replacements and facilitates installation at factory mounting points.

Condition, origin, and service application

The component comes from the Mercedes range and is intended for service applications in vehicles where the factory rear quarter glass guide rail on the left side has been damaged or worn out. It is a practical solution for:

• repairs after a collision in the rear side glazing zone,
• eliminating leaks or window rattling while driving,
• restoring the original look of the window line after previous modifications.

A well-chosen guide rail reduces the risk of the window becoming misaligned again and facilitates service work, shortening the time required to adjust the mechanism.

Expansion of upgrades within body trims

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

Technical support and additional information

When planning body or exhaust system upgrades, it is worth using reliable sources of knowledge that describe the selection of used components, legal issues, and the impact on vehicle characteristics – for example, such as the article Used Mini John Cooper Works Pro sports exhaust – a legal way to get a racing sound and +7 HP, where practical aspects of installation and compatibility of used components are discussed in detail.