Mercedes W220 Rear Door Keyless Entry Antenna Right O/S Side A2208200475

Mercedes W220 Rear Door Keyless Entry Antenna Right O/S Side is a component from the Electronic control modules and controllers category, responsible for reliable communication between the keyless entry system and the rear right door. Its precise placement in the rear section of the vehicle body on the passenger side ensures stable signal reception and proper cooperation with the vehicle's electronics. This solution is intended for users who expect efficient operation of the comfort access function in their Mercedes.

Specifications and technical data

• SKU: A2208200475
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2208200475
• Substitutable numbers: A2208200475, A 220 820 04 75
• Location on the vehicle: Rear, Right
• Category: ECUs & Computer Modules

Purpose and function of the keyless antenna

The keyless antenna in the rear right door is responsible for locally detecting the presence of the key in the vicinity of the vehicle and for proper communication with the central module of the keyless access system. A properly functioning component of this type:

• supports quick unlocking and locking of the vehicle upon approaching with the key,
• ensures stable range in the area of the rear right door,
• reduces the risk of communication errors in the comfort access system. Thanks to this, daily use of the keyless function becomes more predictable and convenient, without the need to use a traditional remote control.

Integration with Mercedes W220 electronics

The antenna in question works with the factory electrical installation and control modules of the Mercedes S-Class W220 generation. As an element from the Electronic control modules and controllers group, it is designed to work within the vehicle's network, where the following are crucial:

• correct placement in the rear right part of the body,
• compatibility with the model's electrical architecture,
• stable operating parameters under typical operating conditions. Such a fit facilitates trouble-free installation and reduces the need for additional modifications to the wiring.

Vehicle placement and installation aspects

The antenna is intended for installation in the rear right door area, which allows for uniform coverage of the entire side zone of the vehicle with the keyless signal. Proper seating of the component in the factory mounting location:

• facilitates service and potential replacement in the future,
• ensures adequate protection against external factors,
• promotes the preservation of the original functionality of the comfort access system. During installation, it is worth paying attention to the correct routing of the harness and a solid connection to the installation in order to maintain the stability of the keyless system operation.

Product characteristics and application advantages

The presented antenna is a Mercedes brand component, which helps maintain consistency with the vehicle's factory electronics. The used product allows for an economical repair of the keyless system while maintaining an appropriate level of quality. Using an original solution of this type helps to:

• restore the correct operation of the comfort access function in the rear right body zone,
• minimize the risk of incompatibility with other control modules,
• maintain the comfort of vehicle operation characteristic of Mercedes. For users who value efficient on-board electronics, this is a practical way to restore functionality without interfering with the system's design. If you are planning a comprehensive repair or upgrade of the electronic comfort systems zone in your Mercedes and need other elements from the same group, such as keyless antennas in other body zones, comfort modules, or access system controllers, check the available parts in the Mercedes electronic control modules and controllers category.

More about the role of original parts in maintaining the brand's character

Although the described component is intended for a Mercedes, the issue of maintaining the factory character of the vehicle using original components also applies to other manufacturers. If you are interested in how properly selected electronic modules and equipment elements affect the preservation of driving characteristics and comfort in premium class cars, it is worth reading the article Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?, which discusses the importance of original components in modern designs in more detail.