Mercedes W177 Wing Mirror Electric Motor Drive Front Left N/S Kosmos Black - 191

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Wing Mirror Electric Motor Drive Front Left N/S Kosmos Black is a precision component designed to control the position of the driver's side mirror. Thanks to its factory-engineered design for the Mercedes brand, it ensures stylistic consistency with the bodywork and reliable, repeatable operation of the adjustment mechanism.

Specifications and technical data

• SKU: A1778102304-KB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778102304
• Substitutable numbers: A1778102304, A 177 810 23 04
• Location on the vehicle: Front, Left
• Color: Kosmos Black Metallic - 191
• Category: Mirror Assemblies

Purpose and function in the vehicle

The presented drive is a component of the External mirrors category and is responsible for the electric adjustment of the mirror glass on the front left side. It has been designed specifically for the Mercedes W177 body, which translates into a proper fit for the door structure and correct compatibility with the factory electrical installation.

The placement in the front left zone allows for convenient adjustment of the driver's mirror from the cabin, which is important for both comfort and driving safety. The drive mechanism ensures smooth adjustment of the mirror within the typical operating ranges provided by the vehicle manufacturer.

Color and visual fit

The mirror housing is finished in the Kosmos Black - 191 shade, which allows for consistency with the factory Mercedes paint palette. As a result, the element integrates well with the body line, reducing the need for additional paint work when replacing the complete mirror assembly.

The metallic black emphasizes the modern character of the W177 body, while also being practical for daily use – minor dirt and typical signs of wear are less visible on this type of finish.

Technical characteristics and installation

The mirror drive has been developed as an electrical component intended for operation in the front left mirror, taking into account the loads resulting from daily adjustment and weather conditions. The design intended for Mercedes allows for use in place of the factory component without the need to modify the installation or mounting geometry.

As a used part, the component comes from dismantling and provides a solution for an economical repair of the mirror adjustment system while maintaining the original vehicle specification. This is a practical option for damage to the adjustment mechanism when the housing and other mirror elements remain in satisfactory condition.

Practical application and benefits

Using an original mirror drive in a Mercedes W177 allows you to restore full adjustment functionality on the driver's side, which has a direct impact on visibility in the side zone and rear control of the vehicle's surroundings. Maintaining the factory design of the mirror system also facilitates subsequent diagnostics and cooperation with driver assistance systems, if they are present in the given car configuration.

For users looking for a reasonable compromise between the cost of repair and maintaining the manufacturer's original solutions, the used external mirror drive is a technically sound alternative to new components.

Related elements and additional information

If you are planning a comprehensive repair or upgrade of the side body area in your Mercedes and need other elements from the same group, such as glass, housings, or complete mirror assemblies, check the available parts in the Mercedes external mirrors category.

In case of doubts related to choosing components from the secondary market, it is worth expanding your knowledge about the real durability and cost-effectiveness of such solutions – the article "Used car parts: Myths and facts you need to know", which discusses the most common concerns of drivers in an accessible way, may be helpful.