Mercedes S203 Estate Side Window Rear Left N/S Green Glass AS2 A2037300355

Mercedes S203 Estate Side Window Rear Left N/S Green Glass AS2 in a green tint is a factory body component designed for precise installation on the driver's side. The original construction ensures a proper fit to the vehicle body, and the correct glass geometry guarantees a tight seal and stable seating in the door frame. Thanks to the use of AS2-rated green glass, the window improves driving comfort by reducing interior heating and glare.

Specifications and technical data

• SKU: A2037300355
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037300355
• Substitutable numbers: A2037300355, A 203 730 03 55
• Location on the vehicle: Rear, Left
• Color: Green
• Category: Car Glass

Purpose and fit for the S203 estate body

The presented rear side window has been designed specifically for the S203 estate version, which means compatibility with the body lines, seals, and guides characteristic of this variant. The placement on the rear left side ensures visual consistency with the other windows and maintains factory mounting gaps. Thanks to the design dedicated to a specific body generation, installation is predictable, without the need for modifications or adjustments to the glass edges. This solution is particularly important for post-accident repairs and when replacing a damaged window with a component that meets original specifications.

Characteristics of the AS2 green glass

The glass used in the green shade belongs to the group of windows marked with the AS2 class, which in practice means appropriately selected light transmission and radiation filtration. This type of glazing:

• reduces interior heating of the vehicle on sunny days,
• limits annoying glare for rear-seat passengers,
• supports acoustic comfort by reducing some external noise,
• maintains a consistent look with other green-tinted windows. Selecting a window with the same color and optical class is crucial to avoid color differences between individual body glazing elements and to maintain a uniform visual character of the entire estate car.

Benefits of using an original used window

The original Mercedes side window, even as a used part, retains its factory geometry, which translates into proper adhesion to the seals and a reduced risk of leaks. In practice, this means a lower probability of air noise at higher speeds and better protection against moisture. In the case of older premium segment cars, using a used, factory-made glass is often more predictable than installing a cheaper replacement. The original glazing was designed exactly for the given model, which facilitates service work and shortens installation time. You can find more arguments in favor of this solution in the article The myth of the perfect new part: why is a used factory part the only reasonable choice for older cars?.

Safety of use and passenger comfort

The rear left side window in the estate version plays an important role in terms of passive safety and passenger comfort. The appropriate thickness and type of glass influence how the window behaves in the event of damage, and the proper fit to the body frame supports the rigidity of the side of the car body. For rear-seat passengers, the green glass means more pleasant travel conditions – reduced heating, less eye fatigue, and better protection against sun rays. This is especially important in cars used on longer routes or intensively operated in city traffic.

Support with selection and other Mercedes car windows

When selecting a side window for a specific vehicle, it is worth paying attention to the body type, mounting side, and glass color to maintain full consistency with the other glazing elements. If you are planning a comprehensive repair or modernization of the glazing area in your Mercedes and need other components from the same group, such as side windows, rear windows, or additional glazing elements, check the available parts in the Mercedes car windows category. If you are considering when it pays to choose original parts, and when to opt for replacements or used ones, the cost and parameter comparison described in the guide Original, replacement, or used – which car parts are the most cost-effective? may be helpful. This will make it easier for you to make an informed decision during future repairs of your car.