Roof Antenna Mercedes W211 C219 Aerial CTEL D/E-NET Antenna Cables A2118203475

The Mercedes W211 C219 Roof Antenna is an original part from the Car Antennas group, designed for installation at the rear of the vehicle body. It ensures stable reception of radio and communication signals, and thanks to its factory design with a CTEL D/E‑NET wiring harness, it is perfectly suited for installation in Mercedes E-Class W211 and CLS C219 models. This is a solution for users who expect proven integration with the vehicle's electronics, compliant with factory standards.

Specifications and technical data

• SKU: A2118203475
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118203475
• Substitutable numbers: A2118203475, A 211 820 34 75
• Location on the vehicle: Rear
• Category: Antennas

Purpose and Function of the Roof Antenna

The presented roof antenna is a component of the communication and multimedia system, responsible for receiving radio signals and data in Mercedes E-Class W211 and CLS C219 vehicles. Its placement at the rear of the roof promotes uniform signal coverage, reduces interference, and allows for effective cooperation with factory communication modules.

Thanks to the integrated CTEL D/E‑NET wiring, the antenna works with the vehicle's installation in an organized manner, without the need for harness modifications or additional adapters. This is particularly important for maintaining the correct impedance of the antenna path and the stability of onboard systems.

Construction, Installation, and Vehicle Integration

The antenna's construction is designed for installation in the rear roof area, which facilitates servicing and replacement in case of mechanical damage or signal reception problems. The factory base geometry allows for proper sealing of the mounting hole and adaptation to the roof panel's contours.

The component is prepared for cooperation with the original Mercedes electrical system, minimizing the risk of installation errors. The user gains:

• secure fit to the rear of the vehicle body,
• organized routing of antenna cables,
• preservation of the factory roof aesthetics and body lines.

This solution is particularly beneficial when replacing a damaged antenna after a collision, roof intervention, or corrosion issues around the factory mounting point.

Practical Application and Benefits of Choosing OEM Parts

Choosing an original roof antenna for the Mercedes W211/C219 allows for maintaining the consistency of the radio and communication system with the rest of the vehicle's electronics. Factory fit reduces the risk of reception quality degradation, communication errors with modules, and diagnostic problems.

By using this antenna as a replacement for a damaged part, in many cases, you can restore:

• stable reception of radio stations,
• proper operation of data transmission-based systems,
• an aesthetically pleasing appearance of the rear roof area without non-factory modifications.

The used nature of the part allows for economical repair while maintaining original specifications, which is beneficial for both fleet vehicles and private cars where the cost-to-functionality ratio is important.

Antenna Selection and Technical Support

When selecting a roof antenna for a Mercedes, it is important to match it to the specific body generation and communication system configuration. In practice, this means paying attention to the type of installation, placement on the vehicle, and compatibility with factory radio and telematics modules.

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

To better plan maintenance work on your vehicle, especially during periods of high temperatures, it is also worth familiarizing yourself with the guide on the cooling system and economical component operation – you will find it in the article "Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings".