Description
Visual condition of the part
The product shows signs of use visible in the photos.
Mercedes W221 Roof Antenna Shark Fin Obsidian Black is an original component from the Car antennas group, designed for mounting on the vehicle’s roof. The characteristic shark fin design in Obsidian Black Metallic – 197 ensures a consistent, elegant look for the bodywork while providing stable signal reception.
Specifications and technical data
- SKU: A2218203175-OB
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2218203175
- Substitutable numbers: A2218203175, A 221 820 31 75
- Color: Obsidian Black Metallic – 197
- Category: Antennas
Purpose and function of the roof antenna
The shark fin roof antenna used in the Mercedes W221 model is responsible for reliable radio and communication signal reception, while also serving as an aesthetic finish for the roof. The low, aerodynamic housing reduces air resistance and minimizes the risk of mechanical damage compared to classic, protruding masts.
This type of solution is particularly valued in luxury class cars, where both the stability of onboard systems and stylistic consistency with the body line are essential.
Color and visual fit
The finish in Obsidian Black Metallic – 197 allows for a harmonious match with the vehicle’s body paint in the same color, without the need for additional painting. The metallic structure of the coating ensures a consistent visual effect with the factory paint, which is especially important during post-accident repairs or when replacing individual body components.
As a result, the antenna does not look like a replacement part, but rather an integral part of the roof, maintaining the characteristic, understated look typical of Mercedes W221 limousines.
Characteristics of the used component
The presented antenna comes from the used parts segment, which allows for economical vehicle repair while maintaining the manufacturer’s original specifications. This type of component is a good choice in situations where structural and visual compliance with factory equipment is a priority, and reasonable service costs are also important.
Choosing an original, used roof antenna reduces the risk of problems with base fitment, roof sealing, or compatibility with the vehicle’s installation, which often occur with cheaper aftermarket replacements.
Application in service practice
The shark fin roof antenna for the Mercedes W221 is suitable both for replacing a damaged component after a collision and for restoring full functionality of radio systems after an antenna failure. Mounting it in place of the factory component allows for the preservation of original mounting geometry and roof tightness, which is significant for the durability of the entire repair.
If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other elements from the same group, such as receiver modules, antenna bases, or other roof-mounted solutions, check the available parts in the Mercedes car antennas category.
Why choose a used OEM antenna
An original roof antenna from the used parts segment is a reasonable compromise between cost and quality. You maintain the factory fit to the bodywork, the correct operating characteristics of the radio systems, and visual consistency with the rest of the body. For many users, this is a more predictable solution than installing non-original replacements.
If you want to consciously use the second-hand parts market and better understand how to choose such components, the following guide will be helpful: Used parts – Your guide to the best offers in the automotive store.
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