Audi A8 D3 Mirror Glass Aspherical Wide Angle Auto Dimming Right O/S 4E0857536Q

Audi A8 D3 Mirror Glass Aspherical Wide Angle Auto Dimming Right O/S is a specialized component from the Exterior mirrors group, designed for precise fitment to the bodywork and specifications of the A8 D3 model. The aspherical, wide-angle working surface improves control over the situation in the adjacent lane, while the auto-dimming function increases driving comfort after dark and in heavy traffic.

Specifications and technical data

• SKU: 4E0857536Q
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0857536Q
• Substitutable numbers: 4E0857536Q, 4E0 857 536 Q
• Location on the vehicle: Right
• Part type: Standard Mirror Assembly
• Category: Mirror Assemblies

Purpose and vehicle fitment

The presented mirror glass is intended for installation on the right side of the vehicle, within the factory mirror housing of the Audi A8 D3 generation. The design, based on the factory solution, ensures correct geometry, stable seating in the frame, and compatibility with the original adjustment mechanism. By maintaining factory parameters, the glass works with the mirror adjustment system, allowing for precise alignment of the field of view to the driver's position. This is particularly important in a luxury class vehicle, where predictable vehicle behavior is expected during maneuvers and lane changes.

Aspherical, wide-angle optics

The aspherical design of the working surface reduces the blind spot in the rear side zone, which facilitates the assessment of the distance and speed of vehicles approaching from behind. The wide-angle profile of the glass allows for a larger section of the adjacent lane to be covered without the need for excessive head movement or frequent mirror adjustments. Such a solution is particularly beneficial during highway driving, overtaking, and maneuvering in dense urban traffic. Better control of the vehicle's surroundings translates into a higher level of active safety and more predictable driver reactions in sudden situations.

Auto-dimming function and driving comfort

The built-in auto-dimming function reduces the glare effect from the lights of vehicles behind, which is significant especially after dark and on expressways. The automatic darkening of the glass surface stabilizes image contrast, reduces eye fatigue, and allows for maintaining concentration for longer periods during long trips. This solution is consistent with the character of the A8 D3 model as a comfortable limousine, where ergonomics and driver comfort are of key importance. The use of original auto-dimming technology ensures a predictable mirror response to changes in light intensity and harmonious cooperation with other vehicle systems.

Characteristics of the used component

The offered mirror glass is a used component, sourced from dismantling. This type of part is a good choice when the priority is to maintain the original vehicle specification while optimizing repair costs. Factory origin of the solution promotes the preservation of proper optical geometry and compatibility with the existing installation. The choice of used aspherical glass with an auto-dimming function is particularly justified for point repairs after a collision or when replacing a single mirror, while the remaining elements of the system remain fully functional.

Integration with other Audi exterior mirrors

If you are planning a comprehensive repair or upgrade of the side visibility zone in your Audi and need other elements from the same group, such as housings, inserts, or complete mirror modules, check the available parts in the Audi exterior mirrors category. For users interested in a broader approach to servicing premium cars using components from dismantling, practical tips and examples of applications can be found in the article Luxury within reach – how to service a legendary Porsche brand using proven used parts, which shows how to effectively combine quality with cost control.