Mercedes R172 Side Window Rear Left N/S Fixed Triangle Glass AS2 A1726700200

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R172 Side Window Rear Left N/S Fixed Triangle Glass is a precisely profiled body component designed for the rear, left part of the vehicle, specifically engineered for Mercedes cars. Thanks to the appropriately selected AS2 glass grade and its fitment for a specific body zone, the glass ensures stable seating, proper visibility, and consistency of the body lines.

Specifications and technical data

• SKU: A1726700200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1726700200
• Substitutable numbers: A1726700200, A 172 670 02 00
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and function in the bodywork

The described triangular side body glass operates in the rear, left part of the body, stabilizing the glazing area and contributing to the rigidity of the side body zone. Its geometry is matched to the lines of the R172 model, which allows for maintaining factory aesthetics and proper adhesion to seals and frame elements.

The AS2 glass grade indicates appropriately selected light transmission and filtration, which translates into optical comfort and compliance with homologation requirements for side windows. Proper seating of this glass limits air turbulence in the cabin, reduces noise, and helps maintain the tightness of the interior.

Benefits of using an original side window

Using a window dedicated to a specific body model brings a number of practical benefits:

• Factory shape fitment – proper adhesion to the frame and seals, without the need for modifications.
• Visual consistency with other windows – maintaining a uniform glazing line and the characteristic Mercedes styling.
• Installation stability – correct distribution of stresses in the rear body zone.
• Usage comfort – appropriate transparency and light filtration for a side window.

An element from the Car windows category of this type is particularly important during post-accident repairs, replacing damaged glazing, or restoring the vehicle to a state consistent with factory design assumptions.

Installation characteristics and application

The glass intended for installation in the rear, left part of the vehicle allows for the precise reproduction of the original glazing layout in the Mercedes R172. Proper installation requires maintaining the cleanliness of the contact surface, using appropriate sealing materials, and checking the alignment relative to the frame and adjacent body elements.

Due to its specific triangular shape, the glass works with other side windows and structural body elements, creating a tight and stable system. Proper seating minimizes the risk of stresses leading to cracks and limits the penetration of noise and moisture into the interior.

Condition of the element and functional aspects

The offered glass is a used element, which in practice means a favorable cost-to-functionality ratio while maintaining original geometry and purpose. This type of component is particularly attractive for repairs where matching factory mounting points and maintaining compliance with the body structure is key.

Before installation, it is recommended to verify the condition of the edges, the working surface, and compatibility with the specific vehicle equipment version to ensure trouble-free operation after replacement.

Part fitment and additional information

To select the triangular side body glass for a specific Mercedes unit, it is worth using OEM markings and interchangeable numbers, which facilitates precise matching to the body version and model year. In case of doubt, it is helpful to compare the shape and placement on the vehicle with the removed element.

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 door windows, triangular windows, or additional side glazing, check the available parts in the Mercedes car windows category.

More practical tips regarding the profitability of purchasing original, replacement, and used elements, along with a comparison of costs and quality, can be found in the article: Original, replacement, or used – which car parts are the most cost-effective?.