Mercedes S203 Estate Rear Window Glass Glazing AS3 Tinted Glass Panel

Mercedes S203 Estate Rear Window Glass Glazing AS3 Tinted Glass Panel is an original, used glass from the Car windows category, designed for installation in the rear section of the estate body. The AS3 standard tinted glass provides increased optical comfort, reduces interior heating, and improves privacy for passengers and the luggage compartment.

Specifications and technical data

• SKU: A2037403457
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036700180
• Substitutable numbers: A2036700180, A 203 670 01 80, BG
• Location on the vehicle: Rear
• Category: Car Glass

Purpose and function of the tinted rear window

The presented glass has been designed as a component of the rear body section, responsible for proper rear visibility, structural rigidity of the body, and protection of the vehicle interior. The use of AS3 type tinted glass helps to limit light and radiation penetration, which translates into more stable thermal conditions in the cabin and reduced eye fatigue for the driver when driving in sunny conditions.

For an estate body, protecting transported luggage and cargo from excessive heating and prying eyes is particularly important – the tinted rear window supports these requirements while maintaining appropriate clarity and readability of the image in the rearview mirror.

Benefits of using an original Mercedes glass

The original glass dedicated to a specific body generation ensures proper fit to the frame, correct outline, and compatibility with factory seals and mounting elements. As a result, installation is more efficient, and the risk of leaks, stresses, or improper adhesion is limited.

Key advantages of using an original, used glass in a premium class car include:

• maintaining the factory body geometry in the rear part of the vehicle,
• optical consistency with other glazing,
• appropriate tint characteristics in accordance with the AS3 standard,
• the possibility of economical repair without sacrificing the quality typical of the Mercedes brand.

Performance characteristics and installation

The AS3 tinted rear window is intended for installation in the rear zone of the estate body, where it operates under conditions of exposure to temperature changes, vibrations, and atmospheric factors. A properly selected element from the Car windows category allows for restoring the full functionality of the vehicle after damage to the factory glazing, maintaining driving comfort and passive safety.

When replacing the glass, it is recommended to use a professional service that will ensure proper surface preparation, selection of sealing materials, and correct seating of the glass in the body frame. This has a direct impact on tightness, the absence of unwanted noise, and the durability of the entire connection.

Why choose a used glass for a premium car

In the premium car segment, the use of used, original body components is an increasingly chosen solution, allowing for high quality to be maintained at rational repair costs. A used tinted rear window for a Mercedes estate allows for maintaining visual consistency with other windows and avoiding fitment problems typical of replacements of uncertain origin.

If you want to better understand why original recycled components for premium brands are becoming a popular choice, it is worth reading the article: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026. You will find practical arguments there in favor of such an approach to vehicle repair.

Expanding repairs within Mercedes car windows

If you are planning a comprehensive repair or modernization of the body glazing zone in your Mercedes and need other elements from the same group, such as side door windows, quarter glass, or additional luggage compartment glazing, check the available parts in the Mercedes car windows category.