Mercedes W221 Roof Antenna Aerial Shark Indigolite Blue - 230 A2218205675

Mercedes W221 Shark Roof Antenna Indigolite Blue is an original part from the Car Antennas group, designed for installation on the roof of the S-Class limousine, W221 generation. Its distinctive "shark fin" shape and the Indigolite Blue Metallic - 230 paint allow for stylistic consistency of the bodywork while maintaining factory signal reception parameters.

Specifications and technical data

• SKU: A2218205675-INB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218205675
• Substitutable numbers: A2218205675, A 221 820 56 75
• Color: Indigolite Blue Metallic - 230
• Category: Antennas

Purpose and Function of the Roof Antenna

The shark fin-shaped roof antenna is responsible for stable reception of radio and telematics signals, and depending on the vehicle's configuration, it can cooperate with additional onboard systems. The design, tailored to the W221 roof, ensures proper routing of cables within the paneling and adequate sealing at the mounting point.

This type of solution is factory-fitted in premium models as it combines technical functionality with streamlined body aerodynamics. The low, streamlined form reduces air turbulence and minimizes the risk of noise generation at higher speeds.

External Appearance and Color Matching

The antenna housing is painted in Indigolite Blue Metallic - 230, allowing for an aesthetic match with the bodywork in the same shade. This ensures the part does not visually stand out from the roof but creates a cohesive line with the car body, which is particularly important for luxury vehicles.

The metallic paint gives the surface a subtle sheen that harmonizes well with the W221 roof contours. If a damaged antenna is replaced with this reference part, the original character of the vehicle can be preserved without the need for additional painting.

Technical Characteristics and Installation

As a part from the Car Antennas group, the shark roof antenna is designed for the specific roof geometry and factory electrical system layout. The appropriately shaped base ensures proper adhesion to the paneling, and the internal structure is prepared to work with the wiring harnesses intended for this model.

In practice, installation involves removing the headliner in the rear part of the cabin, disconnecting the old part, and connecting the new antenna to the existing wiring. Using an original reference part minimizes the risk of compatibility issues with onboard systems and eliminates the need for modifications to the mounting points.

Product Condition and Advantages of Choosing a Used Part

The offered antenna is in used condition, meaning it comes from a vehicle disassembly and may show signs of wear typical for body parts. At the same time, it retains the functionality required for proper signal reception systems, and its use allows for a lower repair cost compared to purchasing a new component.

For many S-Class owners, opting for original parts from the secondary market is a beneficial solution as they ensure factory fitment and preserve the vehicle's original specifications. For more extensive repairs and upgrades, it is also worth considering other parts from the same group – if you are planning a comprehensive repair or upgrade of the roof area and signal reception systems in your Mercedes and need other parts from the same group, such as additional antennas, receiver modules, or mounting bases, check the available parts in the Mercedes Car Antennas category.

Additional Knowledge and Selection of Used Parts

When choosing components from the secondary market, it is useful to know the differences between refurbished and used original parts and to consciously assess their cost-effectiveness in the context of a specific repair. It can be helpful to discuss typical service scenarios where disassembled parts offer a reasonable compromise between cost and durability – this is described in more detail in the article Refurbished or Used Original – Which Part to Choose for Repair?.

If you are interested in a broader context of passenger car modernization, including the impact of replacing body parts and accessories on the car's character, you can also familiarize yourself with an analysis of structural changes in popular sports models, described in the material Hot-Hatch Legend: The Evolution of the VW Golf GTI from Mk1 to Mk8 – Structural Changes and VW Car Parts.