Mercedes W204 C220 Antenna Roof Rear Center Aerial Shark Fin Antenna A2049055504

Mercedes W204 C220 Antenna Roof Rear Center Aerial Shark Fin Antenna is an original component from the Car Antennas group, designed for installation in the rear section of the roof. It ensures stable radio and communication signal reception while maintaining the factory body appearance characteristic of the W204 generation Mercedes C-Class models.

Specifications and technical data

• SKU: A2049055504
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049055504
• Substitutable numbers: A2049055504, A 204 905 55 04
• Location on the vehicle: Rear
• Category: Antennas

Purpose and function of the Mercedes W204 C220 roof antenna

The presented shark fin roof antenna has been designed specifically for the Mercedes W204 C220 model, with placement in the rear part of the vehicle's roof. This location promotes even distribution of radio waves around the body, which translates into stable signal reception under typical road conditions.

The component belongs to the Car Antennas group, responsible for supporting the vehicle's radio and communication systems. Using an original design allows for compatibility with the factory electrical installation and factory wiring, without the need for harness modifications or additional adapters.

Construction, installation, and body fitment

The shark fin roof antenna is an integrated module designed for installation in the rear part of the roof, in the place of the factory mounting hole. This makes it possible to maintain the tightness of the roof panel and proper cable routing inside the headliner.

Key installation features:

• dedicated placement in the rear roof zone, consistent with the factory body design,
• construction intended for compatibility with the Mercedes W204 C220 electrical system,
• preservation of the aerodynamic roof line and stylistic consistency with other body elements.

Such a solution facilitates service and replacement – removing the old element and installing the presented antenna can be carried out as part of standard workshop procedures, without interfering with the roof structure.

Performance characteristics and benefits of use

The shark fin roof antenna serves both a technical and aesthetic function. From a practical point of view, it ensures stable radio signal reception, which is important for daily vehicle operation in varied terrain and urban conditions.

The most important advantages of using this type of antenna in a Mercedes W204 C220 include:

• factory fitment for the model – no need to use universal solutions with uncertain compatibility,
• preservation of the original roof styling line, without additional indentations or non-factory mounts,
• the ability to restore full functionality of radio systems after damage or wear of the previous antenna.

The product is offered in a used condition, which allows for an economical replacement of the element while maintaining the manufacturer's original specifications.

Professional selection by OEM and replacement numbers

The selection of the correct roof antenna for a Mercedes W204 C220 should be based on the OEM part number and available replacement numbers, which minimizes the risk of incorrect fitment. Verification by factory numbers allows confirming compatibility with a specific vehicle equipment version and the electronic systems used.

In case of doubt, it is worth comparing the markings with service documentation or the removed element, as well as seeking help from a specialist who will verify compatibility based on catalog numbers and manufacturer markings.

For drivers who are considering a choice between an original element, a replacement, or a used part, a guide describing the differences in costs, quality, and fitment may be helpful – a detailed discussion can be found in the article Original, replacement, or used – which car parts are the most cost-effective?.

Operation of a used antenna and good service practices

When installing a used roof antenna, it is worth paying attention to the condition of connectors, seals, and the contact surface with the roof. Proper placement of the gasket and the correct tightening torque of the mount affect the body's tightness and protection against moisture in the headliner area.

Recommended service actions include:

• checking the condition of the wiring harness and plugs before installation,
• cleaning the roof surface where the antenna is seated,
• verifying the correct operation of signal reception after installation is complete.

If you want to better take care of the durability of parts from dismantling, including electronic components, it is worth familiarizing yourself with the practical tips contained in the guide How to extend the life of used car parts?.

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