Mercedes S204 C204 Roof Antenna Aerial Shark Fin Top Primed Black A2049055804

Mercedes S204 C204 Roof Antenna Aerial Shark Fin Top Primed Black is an original component from the Car antennas group, designed for mounting on the rear part of the roof of Mercedes vehicles. The used OEM construction ensures factory-fit, secure mounting, and stable performance of radio and communication systems.

Specifications and technical data

• SKU: A2049055804
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049055804
• Substitutable numbers: A2049055804, A 204 905 58 04
• Location on the vehicle: Rear
• Color: Black
• Category: Antennas

Purpose and function of the roof antenna

The presented roof antenna is designed for installation in the rear zone of the roof, which promotes even signal distribution around the vehicle body. This placement reduces interference caused by the engine unit and metal elements in the front of the vehicle, improving reception stability.

The component belongs to the Car antennas group, responsible for supporting radio and communication systems in the vehicle. Thanks to the OEM design, the antenna works with factory electrical installations without the need for interfering with the wiring harness or using non-factory adapters.

Construction, color, and integration with the body

The antenna housing is finished in black, which facilitates aesthetic integration with most body paint colors – both dark and contrasting. The black surface effectively masks minor operational dirt and visually "blends" into the roof line, maintaining a cohesive look for the car.

The antenna profile has been developed to reduce air resistance and noise at higher speeds. The properly selected tilt angle and base shape promote stable airflow over the body, which is important for both acoustic comfort and mounting durability.

Benefits of using an original Mercedes antenna

Using an original roof antenna in a Mercedes S204/C204 allows for maintaining the consistency of the electrical installation and the performance parameters of multimedia systems as intended by the manufacturer. Proper matching of impedance, connectors, and antenna geometry translates into:

• stable radio signal reception in varied terrain conditions,
• correct cooperation with factory control units and receivers,
• reduced risk of interference resulting from the use of non-original solutions.

The used nature of the part allows for an economical restoration of the full functionality of the antenna system while maintaining factory specifications. This is a particularly beneficial solution for post-accident repairs or replacing the component after mechanical damage.

Color and placement vs. service ergonomics

The placement of the antenna in the rear part of the roof facilitates service access from the headliner side, which shortens disassembly and assembly time during body and paint repairs or windshield replacement. The black color of the housing is universal, making the antenna blend well with both factory roof rails and other roof trim elements.

Such a solution is particularly practical in vehicles used intensively, where fast and predictable service handling is essential without the need for additional component adjustments.

Expanding the antenna system in a Mercedes

If you are planning a comprehensive repair or upgrade of the roof zone in your Mercedes and need other elements from the same group, such as additional antenna modules, antenna bases, or mounting elements, check the available parts in the Mercedes car antennas category.

When choosing a used component, it is worth consciously comparing original, replacement, and second-hand solutions in terms of cost, quality, and fitment by OEM numbers – you will find practical tips in the article Original, replacement, or used – which car parts are the most cost-effective?.