Mercedes A209 Entry Keyless Go Antenna Module Door Left Right N/OS A2098200475

Mercedes A209 W906 Keyless Door Antenna is an original component of the comfort access system, responsible for precise communication between the key and the vehicle. The antenna operates at the door, supporting contactless opening and closing, which translates to user convenience and consistent operation of the keyless system. Thanks to its factory origin, it ensures proper operating parameters and compatibility with the car's electrical system.

Specifications and technical data

• SKU: A2098200475
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2098200475
• Substitutable numbers: A2098200475, A 209 820 04 75
• Location on the vehicle: Right, Left
• Category: Other Car Parts & Accessories

Purpose and Function of the Keyless Door Antenna

The presented antenna works with the factory keyless door opening system in Mercedes vehicles, responsible for receiving and transmitting the signal from the key in the door area. This component is crucial for the proper functioning of the comfort access feature – unlocking the locks upon approaching the vehicle and relocking them upon moving away.

Thanks to its dedicated design, the antenna ensures:

• stable signal reception in the door area,
• cooperation with the factory comfort module,
• preservation of the original operating logic of the keyless system.

Vehicle Placement and Installation Aspects

The keyless door opening antenna is designed for installation on the right or left side of the vehicle, which facilitates adaptation to the specific body configuration. This solution allows the service center or user to select the component according to the location of the damaged antenna, without the need for installation modifications.

When installing, it is worth paying attention to:

• proper routing of wires in the door or pillar,
• preservation of factory mounting points,
• accurate connection of plugs to the existing wiring harness.

This approach promotes the sealing and durability of the installation and reduces the risk of interference in the keyless system's operation.

Benefits of Using an Original Mercedes Antenna

Using an original keyless door antenna in a Mercedes car offers a range of practical benefits. The component has been developed specifically for the electrical parameters and requirements of the comfort access system, which translates to:

• consistent operation with other modules of the comfort system,
• appropriate range and sensitivity of key signal reception,
• preservation of factory security functions related to vehicle access.

For the user, this means convenient vehicle use without the need for a traditional key, and for the service center – easier diagnostics and predictable system behavior.

Characteristics of a Used Part

The offered antenna is from the used parts group, allowing for economical repair of the keyless system while maintaining the original manufacturer's specifications. This type of component is often chosen in situations where a single installation element has been damaged, and the goal is to restore full functionality without interfering with other components.

Choosing a used OEM part is particularly beneficial for electronic systems, where structural compatibility and operating parameters with the vehicle's factory installation are crucial.

Related Categories and Technical Materials

If you are planning further expansion or servicing of comfort systems and body electronics in your Mercedes and are interested in other parts from this group, check available parts in the Other Mercedes category.

For a comparison of solutions used in different brands and sports segments, it is worth familiarizing yourself with an analysis of the construction of more powerful versions of competing models – detailed discussion of powertrains, brakes, and chassis can be found in the article Audi RS vs. Other Models – What's Under the Hood and Chassis?.

If you are interested in a broader context of using second-hand parts in modern servicing, including economic and environmental aspects, the material describing the benefits of reusing components may be helpful – more information can be found in the article Eco-Driving: Discover the Benefits of Used Car Parts.