Mercedes CL203 Rear Window Glass Glazing AS2 Left N/S Obsidian Black - 197

Mercedes CL203 Rear Window Glass Glazing AS2 Left N/S Obsidian Black - 197 in Obsidian Black Metallic is an original piece of glass from the Car Windows category, designed for installation on the left side of the rear bodywork. This is a solution for users who expect factory-fit, color consistency with the body paint, and the preservation of the model's original styling lines.

Specifications and technical data

• SKU: A2036705912-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036705912
• Substitutable numbers: A2036705912, A 203 670 59 12, ASZ
• Location on the vehicle: Rear, Left
• Color: Obsidian Black Metallic - 197
• Category: Car Glass

Purpose and fitment

The presented left rear window is designed specifically for the CL203 series coupé body, taking into account the characteristic geometry of the side body section. Its placement in the rear zone on the driver's side ensures proper closure of the window line, correct adhesion to the seals, and compatibility with factory mounts and trim. Thanks to the use of AS2 grade glass, the window meets the requirements for light transmission and operational safety, which is important both for technical inspections and daily vehicle use.

Color and body integration

The Obsidian Black Metallic color is one of the characteristic shades used in the Mercedes paint range, which is why using this window allows for maintaining visual consistency across the entire side of the body. The properly selected color and edge finish facilitate integration with existing body elements, such as pillars, seals, or decorative trim. Such a fit is particularly important during post-accident repairs and when replacing a single glazing element, when the goal is to maintain a uniform, factory look of the vehicle without the need for additional modifications.

Operational characteristics and installation

As an element of the original glazing system, the left rear window for the CL203 is prepared for installation at factory mounting points, which facilitates the work of a body shop or painter and limits the need for adjustments. The design intended for the rear of the vehicle supports proper cabin sealing, noise reduction, and protection of the interior against external factors. Used condition means that the part comes from dismantling, which allows for maintaining the manufacturer's original specifications while optimizing repair costs. This is a practical solution for body reconstruction after a collision or when replacing damaged glazing without interfering with the vehicle's structure.

Benefits of using original Mercedes glass

Using the original left rear window in the CL203 provides several significant technical and operational benefits:

• factory fit to the body shape and window line,
• preservation of consistent aesthetics with other windows and paint,
• compatibility with original seals and mounts,
• maintenance of proper visibility and safety parameters. Thanks to this, replacing a damaged element does not require compromises in terms of workmanship or functionality, and the vehicle retains the characteristic look intended by the manufacturer. If you are planning a comprehensive repair or modernization of the rear glazing zone in your Mercedes and need other elements from the same group, such as side rear windows, additional quarter glass, or other glazing elements, check the available parts in the Mercedes Car Windows category. To better plan your purchase and have the item delivered directly to the workshop, it is worth checking out the guide on ordering used parts online – you will find practical tips in the article Car repair without leaving home: how to order used parts online straight to the workshop?.