Mercedes W166 Front Left N/S Door Glass Window Green Glazing AS2 A1667251310

Mercedes W166 Front Left N/S Door Glass Window Green Glazing is an original component from the Car windows category, designed for installation in the front left door of Mercedes W166 series vehicles. The AS2 green tint provides comfortable protection against sunlight, improving ergonomics and safety during daily driving.

Specifications and technical data

• SKU: A1667251310-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667251310
• Substitutable numbers: A1667251310, A 166 725 13 10
• Location on the vehicle: Front, Left
• Color: Green
• Category: Car Glass

Purpose and fitment for Mercedes W166

The presented window glass has been specifically designed for installation in the front left door of the Mercedes W166 body, which ensures a precise fit to the door frame, guides, and lifting mechanism. This maintains the correct geometry of the glass in relation to the seals and mirrors, as well as proper operation with the factory window regulator.

Its original origin from the Mercedes range helps maintain visual consistency with the other windows of the vehicle, which is important both for post-accident repairs and when replacing glass due to wear and tear.

Technical characteristics of the front left window

The glass is intended for installation in the front area on the driver's side, which requires a properly profiled front and rear edge as well as the correct bending radius. The applied green tint improves thermal comfort inside the cabin, limiting interior heating on sunny days and reducing driver eye fatigue.

The AS2 glass class indicates a window with controlled light transmittance, compliant with homologation requirements for side windows, which is significant for both safety and compliance with traffic regulations.

Used condition and benefits of choosing an original part

The item comes from the secondary market, which allows for economical vehicle repair while maintaining the manufacturer's original specifications. Choosing a used OEM window from the same model series minimizes the risk of installation problems, leaks, or improper operation of the lifting mechanism.

For body shops and independent service centers, using an original dismantled window means the ability to perform repairs in a manner similar to authorized service standards, while reducing costs for the end customer.

Safety, comfort, and practical aspects

The front left door window is crucial for driver visibility, which is why proper fitment and high-quality glass affect driving safety. The green tint improves the clarity of the surroundings in changing lighting conditions, while also reducing light reflections on mirrors and cockpit elements.

Replacing a damaged or scratched window with a functional element from the same model line restores the original acoustic and visual comfort, which is particularly important in premium class vehicles such as Mercedes.

Related components and further vehicle optimization

If you are planning a comprehensive repair or upgrade of the side glazing area 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 Mercedes car windows category.

During the summer, it is worth simultaneously ensuring the efficiency of the cooling system, as higher ambient temperatures affect both driving comfort and engine component load – you can find more practical tips in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.