Mercedes W164 Front Right O/S Wing Mirror Triangle Trim Cover A1647250298

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W164 Front Right O/S Wing Mirror Triangle Trim Cover is a factory body component from the Doors and door panels group, designed for installation on the right side of the front of the vehicle. Designed as an integral mirror triangle trim, it helps maintain the correct mounting geometry, pillar finish aesthetics, and limits the ingress of noise and contaminants into the door interior.

Specifications and technical data

• SKU: A1647201670-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647201670
• Substitutable numbers: A1647201670, A20 164 720 16 70, A1647250298, A 164 725 02 98
• Location on the vehicle: Front, Right
• Category: Doors & Door Skins

Purpose and function of the component

The front right mirror triangle trim in W164 series models is responsible for the aesthetic and technical finishing of the transition zone between the mirror and the door skin. This component:

• masks the mirror mounting structure from the body side,
• stabilizes the contact area between the mirror and the door,
• limits the ingress of water, dust, and wind into the door interior,
• supports the correct routing of the mirror's electrical wiring.

Thanks to its fitment for the specific W164 body model, the trim maintains the correct body lines and visual consistency with other door components.

Vehicle placement and fitment

The presented trim is intended for installation in the front – right side of the vehicle zone, in the place of the factory mirror triangle. The appropriate shaping of the edges and mounting points allow for installation in the existing door structural holes, without the need for bodywork modifications.

The original Mercedes origin means maintaining the correct geometry, fitment with the window, seals, and outer door skin, which is important for both acoustic comfort and the durability of the entire mirror assembly.

Performance characteristics and benefits of installation

Replacing a damaged or missing mirror triangle trim is important not only from an appearance point of view but also for protecting the components located inside the door. Using this component allows you to:

• restore the factory look of the mirror zone after body repairs or door replacement,
• reduce the risk of corrosion around the mirror mounting by limiting moisture access,
• improve driving comfort by reducing air noise in the area of the pillar and mirror,
• maintain a stable position of the mirror relative to the door, which promotes the proper operation of adjustment mechanisms.

A component from the Doors and door panels group of this type is particularly useful after collisions, mirror replacement, or side body renovation, when it is necessary to recreate a complete set of factory trims.

Condition, origin, and service application

The trim comes from dismantling, which allows for economical repair while maintaining the manufacturer's original specification. This type of part is often chosen by workshops specializing in the Mercedes brand and by users servicing their vehicles themselves who expect dimensional and material compliance with factory equipment.

In workshop practice, this component is used, among others, during:

• replacement of the exterior mirror after mechanical damage,
• door repairs after side collisions,
• completing missing body details after previous, incomplete repairs.

Expanding repairs within Mercedes doors

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other components from the same group, such as skins, reinforcements, or additional trims, check the available parts in the Mercedes Doors and door panels category.

For users interested in a broader approach to vehicle servicing using components from dismantling, it is worth familiarizing yourself with practical tips regarding working with electronics and control modules – you will find them in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models, which shows how to effectively use original used parts in advanced repairs.