Mercedes ML W166 Rear Window Trunk Tailgate Glass Glazing AS2 A1667402357

The Mercedes ML W166 Rear Trunk Glass is an original tailgate glazing designed for installation in W166 series models. The element marked AS2 ensures appropriate optical and safety parameters, and as part of the Automotive Glass group, it is crucial for driving comfort and body rigidity.

Specifications and technical data

• SKU: A1667402357-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667402357
• Substitutable numbers: A1667402357, A 166 740 23 57
• Location on the vehicle: Rear
• Category: Car Glass

Purpose and Function of the Mercedes ML W166 Rear Glass

The rear trunk glass in the Mercedes ML W166 is responsible for proper rear visibility, cargo area sealing, and the structural stability of the tailgate. The AS2 type glass used meets requirements for light transmission and damage resistance, which translates to safe vehicle operation.

The placement on the vehicle, designated as rear, means this is the glass installed directly in the trunk lid, in a critical area for visibility and protection of the interior from external factors.

Benefits of Using Original Tailgate Glass

Using original rear glass dedicated to the Mercedes ML W166 allows for maintaining factory fit with the tailgate frame, seals, and mounting elements. Thanks to this:

• the correct body geometry in the rear of the vehicle is maintained,
• the trunk's seal against water and noise is preserved,
• the risk of stresses leading to glass cracking is reduced,
• the vehicle retains a cohesive, aesthetic appearance consistent with the manufacturer's design.

The used nature of the component allows for economical replacement while maintaining original specifications, which is particularly beneficial for post-accident repairs or replacement after mechanical damage.

Condition, Installation, and Technical Fit

The glass is from a disassembly, meaning it is a used part but retains the functionality required for further operation. In practice, this allows for installation as a replacement for damaged glass without the need for modifications to the tailgate structure.

During installation, it is recommended to:

• use appropriate adhesives and primers designed for automotive glass,
• check the condition of the tailgate frame and seals before fitting the glass,
• verify the correct adhesion of the glass around its entire perimeter after installation.

By maintaining the factory shape and dimensions, the glass integrates with the original body elements, facilitating service work and reducing repair time.

Application in Service and Repair Practice

This type of rear trunk glass is particularly useful for:

• post-accident repairs of the rear body section,
• replacement after cracking or shattering of the glass,
• restoration of vehicles where maintaining original components is important.

For body shops and repair services specializing in the Mercedes brand, using original glass for the ML W166 allows for maintaining a high standard of repair and reducing the risk of complaints related to leaks or improper fit.

If you are planning a comprehensive repair or upgrade of the rear body area on your Mercedes and need other elements from the same group, such as side glazing, door glass, or additional tailgate glass, check the available parts in the Mercedes Automotive Glass category.

Support in Selecting Used Parts and Technical Knowledge

When choosing used glass, it is worth paying attention to compatibility with the specific body version and the parameters of the glass markings. It may be helpful to consult guide materials that discuss the selection of original components from the aftermarket. A more detailed discussion on the topic can be found in the article Best Used Car Parts – A Guide to the Most Popular Original Parts for Common Car Brands and Models.

If you are considering whether a new or used part would be a better solution in your case, a practical comparison of costs and quality is presented in the entry New or Used? A Comparison of Car Part Costs and Quality, which can help you make a service decision.