Seal Wing Mirror Trim Insulation Left Triangle A1767270788

Mercedes W176 Mirror Seal A1767270788 is a precisely fitted body part from the Doors and Door Sheet Metal group, designed for installation on the left side of the vehicle. The seal ensures a watertight connection between the mirror and the door panel, limiting the ingress of water, dirt, and noise into the cabin. This is a practical solution for users who want to restore the proper functionality of the side mirror on their Mercedes.

Specifications and technical data

• SKU: A1767270788
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1767270788
• Substitutable numbers: A1767270788, A 176 727 07 88
• Location on the vehicle: Left
• Category: Doors & Door Skins

Purpose and Function of the Mirror Seal

The presented seal is a component mounted in the door area, between the mirror base and the side panel. Its purpose is to:

• stabilize the mirror's connection to the door,
• reduce vibrations and unwanted noises during driving,
• seal the contact point against water, dust, and road salt,
• protect the paint edges around the mirror mounting.

Thanks to its proper profile, the seal supports the maintenance of the correct mirror mounting geometry, which is important for both the comfort and safety of vehicle use.

Compatibility and Fit for Mercedes W176

The seal has been specifically designed for the W176 series body, which translates to a very good fit with the shape of the door and the mirror base. Installation on the left side of the vehicle allows for the restoration of the factory appearance and the correct contact line of the body elements.

Proper fit for a specific body model reduces the risk of leaks, minimizes the need for additional modifications, and facilitates service work. This is particularly important for repairs after collisions or when replacing a mirror with a part from another vehicle.

Characteristics of a Used Part

The seal comes from the secondary market, meaning it is a used part that retains its intended functionality. This type of component is a good choice for an economical vehicle repair when maintaining proper sealing and aesthetics within a reasonable budget is a priority.

For parts in the Doors and Door Sheet Metal group, reusing original components often provides a better fit than many aftermarket replacements, especially in terms of shape and material flexibility.

Benefits of Using a Dedicated Seal

Using the correct side mirror seal offers a range of practical benefits:

• reduction of air drafts and noise around the door pillar,
• better protection of the door interior against moisture,
• more stable seating of the mirror on the panel,
• aesthetic finishing of the mirror's contact with the bodywork.

For users who care about the condition of their vehicle's body, it will also be important that a correctly chosen seal helps reduce the risk of corrosion in the mirror mounting area, protecting paint edges and sheet metal.

Support for Selection by OEM Numbers

It is always advisable to verify the correct seal for a specific body version and mirror configuration using OEM numbers and vehicle data. To minimize the risk of errors when purchasing online, you can use the practical tips contained in the guide Risk-Free Online Parts Shopping – 5 Proven Ways to Verify Component Compatibility by OEM Numbers and Paint Codes, which discusses, among other things, component verification for Mercedes.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other parts from the same group, such as panels, reinforcements, or additional mounting elements, check the available parts in the Mercedes Doors and Door Sheet Metal category.