Mercedes CLS W218 Window Glass Front Door Side Left N/S Glazing AS2 A2187250300

Mercedes CLS W218 Window Glass Front Door Side Left N/S Glazing is an original component from the Car windows group, designed for installation in the front left door of Mercedes vehicles. This used window glass is a functional solution for post-accident repairs, replacing damaged glass, or restoring full cabin sealing and acoustic comfort.

Specifications and technical data

• SKU: A2187250300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2187250300
• Substitutable numbers: A2187250300, A 218 725 03 00, KD
• Location on the vehicle: Front, Left
• Category: Car Glass

Purpose and function of the front door window

The door window mounted on the front left side is responsible for proper side visibility for the driver, interaction with the window regulator mechanism, and correct guidance within the door seals. A properly selected glass pane ensures:

• stable operation within the guides and the window regulator mechanism,
• proper fitment to the seals, reducing noise and wind gusts,
• safe opening and closing of the window throughout its full range of motion.

Thanks to the preservation of factory geometry, the glass works well with the door frame, side mirror, and other body components, which translates into a cohesive appearance and correct fitment.

Benefits of using original Mercedes window glass

Using an original door window in a Mercedes allows you to maintain compliance with the manufacturer's factory standards. In practice, this means:

• precise fit to the door structure – no need for modifications or edge adjustments,
• preservation of the body lines and aesthetics characteristic of Mercedes models,
• compatibility with factory seals, trim strips, and the window regulator mechanism.

Choosing a used OEM component is particularly beneficial for post-accident repairs, where both quality and control of service costs are important.

Application in body repairs and glass replacement

The front left door window is suitable for situations where the existing glass has cracked, been scratched, or damaged as a result of a collision. Replacing it with an original component allows you to restore:

• vehicle safety,
• driving comfort by reducing noise and vibrations,
• a cohesive look for the side of the body.

During bodywork and paint repairs or comprehensive door restoration, using the correct window significantly facilitates the adjustment of fitment and the setting of gaps between body panels.

Technical support and additional knowledge

If you are planning a comprehensive repair or upgrade of the engine cooling zone in your Mercedes and need other components from the same group, such as radiators, fans, or cooling system hoses, check out the practical tips in the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

For broader body repairs after a collision, involving the replacement of windows, doors, or other body panels, the guide on selecting dismantled parts may be helpful: Bodywork and chassis – post-accident repairs using dismantled parts.

Related Car windows for Mercedes

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