Mercedes W177 Wing Mirror Power Fold Blind Spot Left N/S Blue - 970 A1778102105

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Wing Mirror Power Fold Blind Spot Left N/S Blue is a functional body component that enhances safety and comfort in everyday driving. Thanks to the integrated blind spot monitoring system and power-folding functionality, this component ensures convenient operation and precise visibility, while the blue housing finish helps maintain a consistent vehicle appearance. This solution is intended for users who expect proven, original solutions for Mercedes vehicles.

Specifications and technical data

• SKU: RHD-A1778102105-SPEC
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778102105
• Substitutable numbers: A1778102105, A 177 810 21 05
• Location on the vehicle: Left
• Category: Mirror Assemblies

Purpose and function in the vehicle

The presented mirror belongs to the Wing Mirrors category and is designed for installation on the left side of the body in Mercedes W177 series models. Its placement on the driver's side makes this component crucial for monitoring the situation in the adjacent lane and during maneuvers such as changing lanes, overtaking, or merging into traffic.

The built-in blind spot monitoring system assists the driver in assessing the distance and presence of other vehicles in areas invisible within the standard field of view. The power-folding feature facilitates parking in tight spaces and reduces the risk of mechanical damage while parked.

Key technical features

The mirror has been constructed as a component fully integrated with the vehicle's electrical system, allowing for control via factory switches in the cabin. The applied folding mechanism allows for quick folding and unfolding of the housing, and the properly selected mirror geometry ensures a stable, clear field of view at various driving speeds.

• power-folding mirror housing,
• integrated blind spot monitoring system,
• dedicated application for the left side of the vehicle,
• blue housing matched to selected body configurations.

This combination of functions makes the mirror a practical choice when replacing a damaged component or upgrading the car to a more advanced configuration.

Benefits of using an original Mercedes mirror

Using an original wing mirror for the Mercedes W177 allows for maintaining factory fitment with the door, proper operation of the folding mechanism, and full compatibility with the vehicle's safety systems. Proper matching of the shape, mounts, and electrical harness reduces installation time and minimizes the risk of compatibility issues.

A used component of this class is an attractive alternative to new aftermarket replacements, especially in premium segment cars, where maintaining the original equipment specification and a consistent body appearance is essential. A properly selected mirror ensures stable operation of the blind spot system and comfortable folding operation in daily use.

Application in vehicle service and modernization

The wing mirror with power folding and blind spot assist is suitable for both standard post-accident repairs and upgrading vehicle equipment to a higher trim level. It can replace a damaged element or be used in projects where the priority is to maintain original Mercedes technology and aesthetic alignment with the body lines.

If you are planning a comprehensive repair or modernization of the side body area in your Mercedes and need other elements from the same group, such as housings, glass inserts, or complete sets with turn signals, check the available parts in the Mercedes Wing Mirrors category.

More about the trend for original used premium parts

For owners of premium cars, combining quality with rational service costs is becoming increasingly important. Choosing used, original body and equipment components, such as wing mirrors, allows for maintaining a high standard of safety and functionality without the need to resort to cheaper replacements with uncertain parameters. If you want to better understand why this solution is gaining importance, read the article Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend.