Mercedes W172 W176 Roof Aerial Antenna Shark Fin A2229056307

Mercedes W172 W176 Shark Fin Roof Antenna Module A2229056307 is an original part designed for Mercedes vehicles, used as a "shark fin" type roof antenna. The used module ensures a factory fit for the vehicle's installation and maintains the characteristic aerodynamic body line. This is a solution for users who want to restore full functionality of radio and communication systems without altering the roof's styling.

Specifications and technical data

• SKU: a2229056307
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: a2229056307
• Substitutable numbers: a2229056307, a 222 905 63 07
• Category: Other Car Parts & Accessories

Purpose and Function of the Roof Antenna Module

The "shark fin" shaped roof antenna module is responsible for stable reception of radio signals and other signals transmitted by the vehicle's antenna system. Thanks to its roof-mounted placement, it achieves favorable operating conditions, which translates to more reliable performance of onboard systems. Using an original module ensures electrical and mechanical compatibility with the factory wiring harness and the roof panel structure.

Benefits of Using an Original Module

Using an original "shark fin" type roof antenna in W172 and W176 series models ensures:

• factory fit to the roof shape and mounting opening,
• compatibility with the original mounting and sealing system,
• preservation of body aesthetics consistent with the manufacturer's design,
• direct connection to the existing antenna system.

This allows for an organized installation process, minimizing the risk of leaks or compatibility issues. The used part also helps optimize repair costs while maintaining the vehicle's original specification.

Condition of the Part and Installation Aspects

The offered roof antenna module is used, meaning it comes from a dismantled vehicle and may show signs of wear typical for parts of this class. Before installation, it is recommended to verify the seal's integrity and inspect the electrical connectors for cleanliness and proper contact. A correctly installed "shark fin" roof antenna should:

• fit snugly against the roof surface,
• be securely fastened to the structure,
• have the antenna cable routed correctly inside the headliner.

This approach minimizes the risk of signal interference and potential water leaks into the vehicle's interior.

Application in Vehicle Service and Modernization

The "shark fin" roof antenna module is suitable for both standard replacement of a damaged part and for body modernization, when the vehicle owner wants to restore the original roof appearance after previous modifications. Using an original Mercedes component facilitates the work of service centers specializing in body and electrical system repairs, as it allows for the preservation of factory mounting points and wiring routes.

If you are planning a comprehensive repair or modernization of the roof area in your Mercedes and need other parts from the same group, such as additional antenna modules, mounting elements, or roof seals, check the available parts in the Other Mercedes category.

Technical Support and Vehicle Project Development

When planning broader modifications to body, suspension, or drivetrain systems, it is advisable to use reliable sources of technical knowledge. For comparing solutions used in different model lines and better understanding the structural differences between standard and sport versions, an article describing the specifics of advanced models can be helpful. We encourage you to read the material on our blog: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which helps to better understand manufacturers' approaches to designing key vehicle systems.