Mercedes CLA C118 Coupe Side Window Glass Front Door Left N/S AS2 A1187250100

Mercedes CLA C118 Coupe Side Window Glass Front Door Left N/S is a precisely fitted component from the Car windows category, designed for installation in the front left door of the coupe body. The appropriate design and glass type ensure proper visibility, acoustic comfort, and consistency with the factory body line of the Mercedes. This is a solution for users who expect a technically correct replacement without compromising on fitment.

Specifications and technical data

• SKU: A1187250100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1187250100
• Substitutable numbers: A1187250100, A 118 725 01 00
• Location on the vehicle: Front, Left
• Category: Car Glass

Purpose and body fitment

The described window is designed for installation in the front left door of the vehicle, in the coupe body style of the CLA C118 family. Its placement in the side zone of the body requires maintaining proper geometry, which is why the element is profiled to work with the guides, seals, and the window lifting mechanism in the driver's door.

Dedicated application in Mercedes models of this series allows for maintaining factory fitment with the door frame, pillar, and mirror, which translates into proper cabin sealing and stable window operation during opening and closing.

Technical characteristics of AS2 glass

Glass marked as AS2 belongs to the group of windows with controlled light transmittance, used as standard in modern passenger cars. This type of window provides:

• an appropriate level of transparency, in accordance with the requirements for side windows,
• increased visual comfort for the driver and passenger by reducing excessive sunlight,
• optical consistency with the other windows in the vehicle.

Selecting the right type of glass is important both for safety and for maintaining a uniform appearance of the entire glazed part of the body.

Application in service practice

The front left side window in the Mercedes CLA C118 Coupe is a wear-and-tear part that is often replaced after mechanical damage, acts of vandalism, or side collisions. Using a pre-owned component allows for:

• reducing repair costs while maintaining appropriate quality,
• maintaining the original specifications of the vehicle's glazing,
• shortening service time thanks to a ready-to-install element.

Proper fitment of the window to the front left zone facilitates workshop work and minimizes the risk of problems with the adjustment of the lifting mechanism.

Benefits of choosing original Mercedes glass

By choosing a side window dedicated to the Mercedes CLA C118 Coupe, you gain an element designed with the specific door structure and body line in mind. The appropriate glass thickness, shape, and edge finishing promote the maintenance of acoustic comfort in the interior and proper cooperation with seals and guide strips.

A pre-owned component of this class is a reasonable choice for repairs of a few-year-old vehicles, where both the economic aspect and technical compliance with the factory design matter.

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, quarter glass, or additional glass panels, check the available parts in the Mercedes car windows category.

Youngtimers and conscious use of pre-owned windows

In the case of models from years that are beginning to be treated as youngtimers, the use of properly selected pre-owned windows allows for preserving the original character of the car and limiting interference with its original design. It is worth learning the broader context of using second-hand components in premium class vehicles – practical tips, examples of modernization, and answers to the most frequently asked questions can be found in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.