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Mercedes CLK W209 Convertible Boot Antenna Amplifier Module Unit A2158201975
SKU: A2158201975-1
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Used
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Mercedes CLK W209 Convertible Boot Antenna Amplifier Module Unit is a specialized module responsible for stable radio and antenna signal amplification in the rear section of the vehicle body. This original component from the Car Antennas group has been designed for precise integration with the vehicle's electrical system, ensuring predictable performance parameters and correct communication with factory multimedia systems. As a result, it provides a functional solution for repairing or replacing the factory module in the Convertible version.
Specifications and technical data
- SKU: A2158201975-1
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2158201975
- Substitutable numbers: A2158201975, A 215 820 19 75, BG
- Category: Antennas
Purpose and function of the module
The presented antenna amplifier operates in the trunk area of the convertible body, where antennas are integrated into the bodywork and require a dedicated amplification circuit. The module is responsible for:
- stable amplification of the radio signal received by the antenna in the rear of the vehicle,
- reduction of interference resulting from the operation of the electrical system,
- proper signal matching to the factory radio or multimedia unit.
Thanks to this, the driver maintains comfortable radio station reception and proper operation of systems based on the antenna signal, which is particularly important in convertible designs where the antenna system is more complex than in a classic closed body.
Construction and fitment for the Mercedes CLK W209
The amplifier has been developed specifically for the electrical architecture of the Mercedes CLK W209 in the Convertible version, which translates into:
- factory connectors allowing for installation without wiring modifications,
- fitment to the original mounting location in the trunk area,
- consistency with the electrical parameters of the antenna system.
Such a solution reduces the risk of compatibility issues that often arise when using universal replacements. The original antenna module allows for maintaining the factory performance characteristics of the system and facilitates the diagnosis of potential faults in the future.
Characteristics of the used component
The offered amplifier comes from disassembly and is classified as a used part, which means it may show signs of wear typical for components operating in the trunk space. At the same time, it is an OEM element that has already been verified in real vehicle operating conditions, which for many users represents a practical advantage over some low-budget replacements.
Choosing a used antenna module is particularly rational in the case of premium class cars, where original components maintain high durability, and their reuse allows for optimizing repair costs without sacrificing factory build quality.
Benefits of using the original antenna amplifier
Using this module in the Mercedes CLK W209 convertible brings a number of practical benefits:
- maintaining compatibility with the factory audio system and antenna installation,
- reducing the risk of interference and drops in signal reception quality,
- easier diagnostics in case of future antenna system faults,
- no need for modifications to wiring or mounts.
For users who want to take a conscious approach to vehicle service, choosing an original antenna amplifier is a reasonable compromise between quality and repair cost, especially in the case of Mercedes-class cars.
More antenna solutions for Mercedes
If you are planning a comprehensive repair or upgrade of the antenna zone in your Mercedes and need other elements from the same group, such as amplifier modules, antenna bases, or antenna installation elements, check the available parts in the Mercedes Car Antennas category.
Why it is worth choosing used originals for premium cars
Rising costs of new components and limited availability of parts for older generations of premium models mean that more and more users are consciously choosing proven used elements. If you want to better understand why such an approach makes sense for brands like Mercedes, it is worth reading the article: Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend.
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Ship to: United Kingdom
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.