Mercedes W211 C219 Roof Antenna Aerial Shark CTEL GPS Antenna Cables A2118203575

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W211 C219 Roof Antenna Aerial Shark CTEL GPS Antenna Cables is an original component from the Car Antennas category, designed for installation at the rear of the roof. The integrated CTEL and GPS module with pre-routed cables ensures stable signal reception and an aesthetic finish to the body lines, perfectly matched to the styling of the Mercedes E-Class W211 and CLS C219 models. This is a solution for users who expect factory compatibility, organized installation, and predictable performance parameters for telematics systems.

Specifications and technical data

• SKU: A2118203575
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118203575
• Substitutable numbers: A2118203575, A 211 820 35 75
• Location on the vehicle: Rear
• Category: Antennas

Purpose and function of the roof antenna

The presented Mercedes W211 C219 Roof Antenna Aerial Shark CTEL GPS Antenna Cables has been designed as a component for the rear roof area, where it operates under optimal signal propagation conditions. The integrated CTEL module is responsible for telephone communication, while the GPS section ensures precise vehicle positioning in navigation and telematics systems.

Thanks to its factory design, the antenna works with the vehicle's original wiring harness, which reduces the risk of interference, sensitivity drops, or cable shielding issues. Using a single, compact housing on the roof allows for combining multiple functions into one mounting point, without the need for additional holes or bodywork modifications.

Construction, installation, and vehicle placement

The antenna features a characteristic, aerodynamic "shark" shape that minimizes air resistance and reduces noise at higher speeds. The housing is profiled to match the curvature of the W211 and C219 roof, which facilitates proper sealing and maintains a consistent stylistic line of the body.

The component is intended for installation in the rear part of the roof, which:

• ensures favorable conditions for GPS and CTEL signal reception,
• limits the impact of interference generated by the engine compartment,
• facilitates cable routing along the headliner to the control modules.

The provided antenna cables allow for direct connection to the factory connectors in the vehicle, which promotes a near plug-and-play installation standard without the need for universal adapters.

Benefits of using an original Mercedes antenna

Choosing an original roof antenna integrated with CTEL and GPS primarily ensures consistency with the vehicle's factory electrical architecture. Properly selected impedance, cable shielding, and the geometry of the radiating element translate into more stable signal reception compared to universal solutions.

Key advantages include:

• Compatibility with onboard systems – the antenna is designed for specific Mercedes models, without random selection of connectors and parameters.
• Aesthetic integration with the body – the "shark fin" shape is matched to the roof lines of the W211 and C219, without the "glued-on" accessory effect.
• Organized cable installation – factory cable routing limits the risk of abrasion, breakage, and electromagnetic interference.

The original version of this component from the Car Antennas category allows for maintaining predictable performance parameters of navigation and telephone systems, which is important both in daily operation and during subsequent diagnostics.

Characteristics of the used component

The offered antenna is a used part, sourced from dismantling, which represents a reasonable compromise between cost and maintaining factory specifications. Such components are frequently chosen for post-accident repairs, replacement after mechanical roof damage, or when signal reception issues arise following previous installation modifications.

In the case of used antennas, it is particularly important that the housing and connectors come from original production, rather than from a series of replacements with inconsistent quality. This helps to limit the risk of incompatibility with control modules and avoid problems with error diagnostics in multimedia and navigation systems.

If you want to better understand how to reasonably approach the purchase of second-hand parts and what myths most often appear around such products, it is worth reading the article Used car parts: myths and facts you need to know, which discusses the practical aspects of choosing used parts in detail.

Expanding the antenna system in a Mercedes

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

For drivers analyzing whether it is better to choose new or used components, a guide comparing the costs and durability of both solutions may also be helpful – you will find it in the material Car parts – new or used? We compare costs, quality, and durability, which organizes the most important criteria for selecting vehicle components.