Mercedes S205 Side Quarter Window Vent Fixed Rear Right O/S Tinted Glass AS3

Mercedes S205 Side Quarter Window Vent Fixed Rear Right O/S Tinted Glass AS3 is an original body component from the Car windows group, designed for installation on the rear right side of the vehicle. The tinted green glass provides comfortable sun protection and a consistent look for the side body line, maintaining the vehicle's factory character.

Specifications and technical data

• SKU: A2057300355
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057300355
• Substitutable numbers: A2057300355, A 205 730 03 55
• Location on the vehicle: Rear, Right
• Part type: Rear Quarter Window
• Color: Green
• Category: Car Glass

Purpose and function of the quarter window

The rear right quarter window in the estate body style plays an important role in stiffening the side of the body and illuminating the passenger and luggage compartments. The AS3 tinted version improves driving comfort by limiting interior heating and reducing glare, which is particularly noticeable on longer journeys.

The green glass used harmonizes with the factory color scheme of the other windows, ensuring that replacing the component does not disrupt the vehicle's aesthetics. This solution allows for maintaining a consistent look of the side body section without the need for additional modifications.

Mounting parameters and fitment

The window has been designed specifically for the S205 body style, intended for the rear right side of the vehicle. The appropriate edge profiling and factory dimensions allow for precise seating in the body frame, which facilitates service work and shortens installation time.

Thanks to the preservation of the original geometry, the component works well with seals, trim strips, and other windows, which helps reduce the risk of leaks and unwanted wind noise while driving.

Characteristics of AS3 tinted glass

The AS3 class tinted glass provides increased protection against solar radiation in the rear part of the cabin. This type of window:

• reduces vehicle interior heating on sunny days,
• improves the comfort of rear passengers by limiting light intensity,
• supports maintaining privacy in the passenger and luggage compartments.

The combination of the tint with the green shade of the glass creates a consistent, aesthetic visual effect, characteristic of many factory configurations of this body series.

Condition of the component and benefits of choosing a used part

The window is offered as a used component, which allows for significantly reducing repair costs compared to purchasing a new part, while maintaining original origin and proper fitment. For many users, this is a reasonable compromise between quality and budget, especially for post-accident or restoration repairs.

Choosing an original, used quarter window is also beneficial from the point of view of visual matching – the shade of the glass and the nature of the tint are similar to the other windows in the vehicle, which limits the differences visible after installation.

Support with selection and car project development

In the case of modernization or repair of the side body section, it is worth considering the simultaneous replacement of other windows in this zone to maintain an even level of tint and stylistic consistency. If you are planning a comprehensive repair or modernization of the side glazing zone in your Mercedes and need other elements from the same group, such as side door windows, additional quarter windows, or rear body glazing elements, check the available parts in the Mercedes car windows category.

If your goal is to refresh an older model and you want to better understand how to use used body and glazing components in the restoration process, the article on our blog will be helpful: The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years. You will find practical tips there regarding planning modernization and selecting components for premium brand vehicles, including Mercedes.