Mercedes CLA C118 Coupe Fixed Side Window Door Rear Left N/S Tinted A1187300500

The Mercedes CLA C118 Coupe fixed rear left door window, tinted is a factory body part from the Automotive Glass category, designed for installation on the left rear side of the vehicle. The fixed, tinted window enhances rear passenger comfort, reduces interior heat buildup, and ensures a cohesive, aesthetic appearance of the side body line on the CLA C118 Coupe model.

Specifications and technical data

• SKU: A1187300500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1187300500
• Substitutable numbers: A1187300500, A 118 730 05 00
• Location on the vehicle: Rear, Left
• Category: Car Glass

Vehicle Application and Placement

The presented window is dedicated to the rear left side of the coupe body, where it serves as a fixed glazing element in the door. Thanks to precise fitting to the specific geometry of the Mercedes CLA C118 body, this part ensures proper sealing, correct door mechanism operation, and maintains the original rigidity of the side structure.

Its placement in the rear of the vehicle contributes to improved passenger comfort, and the tinted glass reduces solar radiation penetration, leading to more stable interior temperature conditions and better protection against excessive sunlight.

Technical Specifications of the Window

The fixed rear left door window is designed as an OEM part, compliant with Mercedes' factory standards. The window's construction includes:

• appropriately selected glass thickness ensuring rigidity and resistance to operational stresses,
• tinting that enhances optical comfort inside the cabin,
• a shape tailored to the CLA C118 Coupe body line, preserving the vehicle's original appearance.

By adhering to factory installation parameters, the window works seamlessly with original seals and trim strips, facilitating correct installation and minimizing the risk of leaks.

Practical Application and Installation Benefits

The use of this window is particularly beneficial for accident repairs, replacement of damaged glazing, or restoring the vehicle to its factory specification. Using this part allows for an economical restoration of the original appearance of the side body, while maintaining proper fitment to the car body.

Key benefits of installation include:

• preservation of original body geometry thanks to the precise fit of the window to the CLA C118 Coupe model,
• improved passenger comfort by reducing solar glare through tinting,
• a cohesive, aesthetic appearance of the left-side window line, consistent with the original Mercedes design.

OEM Number Selection and Quality Aspects

When selecting the correct window for a specific vehicle, it is always advisable to base your choice on the OEM number and the vehicle's identification data to minimize the risk of incorrect fitment. For components like automotive glass, compliance with factory specifications directly impacts sealing, safety, and operational durability.

If you want to better understand the differences between original, aftermarket, and used parts and make an informed decision about which option is most cost-effective for your needs, we recommend reading the article Original, Aftermarket, or Used – Which Car Parts Offer the Best Value?.

Related Mercedes Automotive Glass

For comprehensive repair or glazing upgrade of your CLA C118 Coupe, you may also need other parts from the same group, such as additional side windows or other glazing formats tailored to the Mercedes body. In such cases, to maintain technical and visual consistency of the entire set, check the available parts in the Mercedes Automotive Glass category.