Mercedes W205 Rear Door Upper Strip Left N/S Trim Bar A2056907301

The Mercedes W205 Rear Left Door Window Top Trim is an original body part from the Window Seals and Trim category, designed for installation on the rear driver's side. Its carefully designed profile ensures stable window guidance and aesthetic finishing of the door edge. This is a practical solution for users who want to restore the factory appearance and seal of the vehicle's side body area.

Specifications and technical data

• SKU: A2056907301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2056907301
• Substitutable numbers: A2056907301, A 205 690 73 01, A2056900380, A 205 690 03 80
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Vehicle Application and Placement

This trim is dedicated to the rear left side of the body in the Mercedes C-Class W205 generation. It is mounted at the top of the door, in direct proximity to the window, where it is responsible for guiding the glass edge and sealing the space between the window and the door frame.

This placement means the component influences:

• limiting the ingress of water and dirt into the door interior,
• stable operation of the window lifting mechanism,
• a visually cohesive flow of the vehicle's side line.

Technical Function and Installation Benefits

As part of the Window Seals and Trim group, the rear window top trim serves both protective and finishing functions. Its appropriately shaped profile supports correct window seating, which helps reduce wind noise during driving and minimizes the risk of vibrations and rattles within the door.

Replacing a worn or damaged part with an original trim designed for the W205 allows you to:

• restore proper window operation in its guide,
• reduce unwanted noises from the rear left window area,
• complete a missing finishing element after body and paint repairs.

Original Mercedes Fitment

The trim has been specifically designed for the W205 body, ensuring its geometry is matched to the factory door shape. This means proper adhesion to the frame and compatibility with the standard window mechanism. Its original Mercedes origin promotes visual consistency with other trim elements and facilitates installation without the need for modifications.

This part comes from secondary circulation, making it a good choice for users seeking a cost-effective solution while maintaining original manufacturer specifications.

Condition and Service Application

The used rear left door window trim is suitable for both accident repairs and replacement of parts worn through normal use. It can be used as a substitute in situations where the existing trim is deformed, cracked, or has lost its proper adhesion to the window.

Due to its factory origin, the part integrates well with standard service procedures for the Mercedes W205 body, facilitating compliance with the vehicle's technical documentation.

If you are planning a comprehensive repair or upgrade of the side window and door area on your Mercedes and need other parts from the same group, such as guide rails, edge seals, or finishing profiles, check the available parts in the Mercedes Window Seals and Trim category.

For better planning of service work on the body and components adjacent to the fuel tank area and sills, it is also worth familiarizing yourself with practical tips on diagnostics and component selection by OEM numbers, which you can find in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.