Mercedes W447 Rear Left N/S Window Tinted Glass Heat Insulation A4476721313

Mercedes W447 Rear Left N/S Window Tinted Glass Heat Insulation is an original body part from the Car windows category, designed for safe and comfortable vehicle operation. The tinted glass with an insulating layer reduces interior heating, improves passenger comfort, and increases privacy in the rear part of the cabin.

Specifications and technical data

• SKU: A4476721313
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4476721313
• Substitutable numbers: A4476721313, A 447 672 13 13
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and fitment for Mercedes W447

The offered window is dedicated for installation in the rear left part of the body of Mercedes W447 series vehicles. Its placement on the rear passenger side ensures full compatibility with the factory body structure and proper fit with seals and guides.

As an original Mercedes component, the glass maintains the correct geometry, thickness, and glass characteristics specified by the manufacturer, which translates into stable seating in the frame and proper cooperation with factory mounts.

Tinted glass and heat insulation

The tinted rear window with heat insulation reduces the penetration of solar radiation into the vehicle interior, which helps maintain a lower temperature in the cabin, especially during the summer season. This reduces the load on the air conditioning system, improves passenger ride comfort, and helps protect upholstery from fading.

The additional insulation layer contributes to a more even temperature distribution in the rear part of the vehicle, which is important during long trips and intensive use of the car. Window tinting also increases the level of privacy, which is significant in vehicles used for transporting passengers or luggage requiring discretion.

Characteristics of the used part

The glass comes from dismantling, which means it is a used part that retains the functionality intended by the manufacturer. This type of component is a cost-effective solution for post-accident repairs, replacing damaged glass, or restoring the vehicle to full efficiency after local body damage.

Choosing an original, used window allows you to maintain visual consistency with other glazing elements and avoid fitment problems that may occur with lower-quality aftermarket replacements.

Practical application and benefits of installation

Installation of this window is particularly recommended in situations where the factory glass on the rear left side has been cracked, shattered, or scratched. Replacing it with an original tinted and heat-insulated part allows you to restore:

• proper rigidity of the side body structure,
• passive safety in the rear seat area,
• thermal and visual comfort for passengers,
• aesthetic appearance of the vehicle's side profile.

Car windows play a key role not only in protection against external factors but also in interior acoustics and body structure stability, which is why using the correct, well-fitted component has a direct impact on the overall quality of vehicle use.

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

Operation in high temperatures

The tinted window with heat insulation works with the cooling and air conditioning system, limiting interior heating and improving the efficiency of heat dissipation from the cabin. In the summer, this is important both for passenger comfort and for the load on components operating at elevated temperatures.

More about the impact of high temperatures on car components and how to reasonably use used cooling components can be found in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Why choose an original used window

The original rear left window for Mercedes W447 is a solution that combines technical correctness with a reasonable budget. You maintain the factory glass parameters, body fitment, and a consistent look of the entire side line, while reducing repair costs compared to a new part.

For users who are considering wider use of dismantled parts when servicing older models, the article No parts at the dealership? How to deal with repairing older models using dismantled parts, which describes a practical approach to economical vehicle repair, may be helpful.