Roof Antenna Mercedes W212 CLS W218 GPS DAB Aerial Roof Shark Fin A2128201875

Roof Antenna Mercedes W212 CLS W218 GPS DAB Aerial Roof Shark Fin is an original roof-mounted shark fin antenna designed for Mercedes E-Class W212 and CLS W218 models. This item from the Car Antennas category ensures stable GPS and DAB signal reception, and thanks to its factory design, it fits perfectly with the vehicle's body lines. This used OEM component is a sensible choice for repairing or replacing a damaged roof antenna in Mercedes vehicles.

Specifications and technical data

• SKU: A2128201875
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2128201875
• Substitutable numbers: A2128201875, A 212 820 18 75
• Location on the vehicle: Rear
• Category: Antennas

Purpose and function of the roof antenna

The presented shark fin roof antenna has been designed specifically for Mercedes E-Class W212 and CLS W218 vehicles. It is responsible for GPS signal reception, which is essential for the factory navigation system, and DAB signal reception, used by digital radio systems. Its placement on the rear part of the roof promotes even signal coverage and reduces interference from the car body.

The antenna is an exterior component that combines utility with aesthetics – the characteristic shark fin shape harmoniously blends into the roofline, maintaining a consistent look with the rest of the Mercedes bodywork.

Construction and body fitment

The roof antenna features a compact, aerodynamic design that minimizes air resistance and noise at higher speeds. The housing geometry promotes stable radio and satellite signal reception without disrupting the vehicle's aerodynamics.

Its placement on the rear of the roof facilitates cable routing inside the headliner and integration with the factory electrical system. As a result, installation is orderly, and once mounted, the antenna maintains factory-standard fitment with the bodywork, without unnatural gaps or tension.

Benefits of using an original Mercedes antenna

Using an original roof antenna to replace a damaged unit allows you to maintain the full functionality of onboard systems. Key advantages include:

• compatibility with factory GPS and DAB systems in W212 and W218 models,
• preservation of the original roof appearance without interfering with the body structure,
• proper fitment to factory mounting points,
• consistency with the existing wiring harness and electrical connectors.

This used OEM component from the Car Antennas category is a solution that helps reduce repair costs while maintaining the correct operating parameters of navigation and radio systems.

Condition, installation, and practical application

The offered antenna is a used component, which means it has been removed from a vehicle and may show signs of wear typical for exterior parts. At the same time, it retains the functionality required for continued use as a roof antenna in Mercedes cars.

Installation involves removing the old antenna from the rear of the roof, disconnecting the wiring, and mounting the presented unit into the existing mounting hole. Thanks to its factory origin, there is no need for body or installation modifications – the antenna works with the vehicle's original systems, which translates into seamless integration with the car's electronics.

Expanding the antenna system in your Mercedes

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

When choosing used body parts and exterior accessories, it is worth paying attention to the quality of the source and the removal process. You can find more practical tips on selecting and installing used body components in the article: Replacing body parts with used ones – can salvaged body parts look like new?.