Mercedes W169 W245 Antenna Cable Aerial Bluetooth Wiring Loom A1698205075

The Mercedes W169 W245 Antenna Harness with Bluetooth Cable is an original multimedia installation component designed for A-Class and B-Class models. It ensures a stable connection between the roof antenna and the onboard modules, responsible for the proper functioning of the radio, antenna system, and Bluetooth communication. This is a practical solution for drivers who want to restore the full functionality of their Mercedes' factory audio-phone system.

Specifications and technical data

• SKU: A1698205075
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698205075
• Substitutable numbers: A1698205075, A 169 820 50 75
• Category: Antennas

Purpose and Function in Vehicle Installation

The presented harness belongs to the Car Antennas group and is the component connecting the antenna to the onboard electronics in Mercedes A-Class W169 and B-Class W245 vehicles. It is responsible for transmitting radio signals and data for Bluetooth functions, which directly impacts the quality of station reception, stability of phone connections, and proper operation with the factory hands-free system.

Thanks to its factory fit for the specific body platform, the harness maintains the correct length, connector types, and installation routing, which reduces the risk of interference and compatibility issues compared to universal solutions.

Application in Audio and Bluetooth Systems

The antenna harness supports key comfort and safety functions related to in-vehicle communication. A correctly installed cable:

• ensures stable signal transmission from the antenna to the control unit,
• supports the operation of the factory Bluetooth module,
• reduces interference and drops in reception quality,
• maintains the original installation routing in the vehicle.

Using an original harness instead of adapting universal cables helps maintain the consistency of the electrical installation and facilitates future diagnostics.

Component Characteristics and Installation

As a part from the original Mercedes system, the harness has been designed for the specific interior architecture and cable channels. This facilitates installation in the original mounting points, without the need for modifications to the installation or interference with the main wiring harnesses. Precisely selected connectors minimize the risk of loose contacts and signal transmission problems.

A used component is a good choice for maintenance repairs when the existing cable has suffered mechanical damage, abrasion, or interference during previous repairs. This allows for the restoration of correct antenna system operation while maintaining reasonable service costs.

Benefits of Using the Original Antenna Harness

Using this harness in a Mercedes W169 or W245 allows you to:

• restore the factory functionality of the antenna and Bluetooth system,
• maintain compatibility with the vehicle's original electrical installation,
• reduce the risk of interference caused by improper shielding or poor connections,
• minimize installation time thanks to its fit for factory cable routing.

For workshops and private users, this means a faster and more predictable repair, without the need to experiment with non-original solutions.

Expanding the Antenna Installation in a Mercedes

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

To better plan your service work and combine antenna harness replacement with other maintenance activities, it is worth familiarizing yourself with the practical tips contained in the article TOP 10 Most Frequently Replaced Parts in Your Car, where you will find advice on economical operation and spare part selection.