Mercedes W204 Cover Trim Multifunction Switch Steering Wheel A0994640813

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 Cover Trim Multifunction Switch Steering Wheel is an original control component from the Switches, control elements and ignition switches group, designed for installation in the front part of the vehicle, directly on the steering wheel. It allows for convenient management of vehicle functions from the steering wheel, improving operational ergonomics and daily driving comfort.

Specifications and technical data

• SKU: A0994640813-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0994640813
• Substitutable numbers: A0994640813, A 099 464 08 13, A1669051800, A 166 905 18 00, A1669051900, A 166 905 19 00, A2464605203, A 246 460 52 03
• Location on the vehicle: Front
• Category: Switches & Controls

Purpose and function in the control system

The Mercedes W204 Cover Trim Multifunction Switch Steering Wheel is responsible for operating key vehicle functions without the need to take your hands off the steering wheel. This component works with factory electronic systems, ensuring precise signal transmission to control modules. Its placement in the front zone of the vehicle, on the steering wheel, allows for intuitive operation and reduces driver distraction.

Construction and integration with the vehicle installation

The offered set of switches has been designed specifically for the Mercedes steering system, maintaining factory geometry and mounting points. The design provides full integration with the electrical harness and existing control modules, which facilitates installation and limits the need for system modifications. As a result, the component maintains consistency with the dashboard, steering wheel airbag, and other cockpit components.

Benefits of using original switches

Using original multifunction switches in the Mercedes W204 allows you to maintain the consistency of electronic systems and preserve factory operating parameters. This solution is particularly beneficial for:

• repairing the steering wheel control system after mechanical or operational damage,
• restoring full button functionality after a failure,
• maintaining the original appearance and ergonomics of the vehicle interior.

By maintaining the factory manufacturing standard, the switches work with the existing vehicle electronics, which minimizes the risk of bus communication errors and unwanted messages on the instrument cluster.

Performance characteristics and installation

The component is intended for installation in the front part of the vehicle, on the steering wheel, in place of the factory control module. The design allows for installation in existing mounting points, which facilitates service work and shortens replacement time. The used nature of the part allows for an economical restoration of the control system's efficiency while maintaining the original manufacturer's specifications.

Part selection and compatibility

The Mercedes W204 Cover Trim Multifunction Switch Steering Wheel has a dedicated OEM part number and associated replacement numbers, which facilitates verification of compatibility with a specific vehicle equipment version. When selecting, it is recommended to compare the markings with the existing component and the manufacturer's specification to ensure proper cooperation with the car's electronics and avoid compatibility issues.

If you are planning a comprehensive repair or upgrade of the cockpit area and control system in your Mercedes and need other elements from the same group, such as button modules, control units, or ignition switch elements, check out the available parts in the Switches, control elements and ignition switches Mercedes category.

To better plan your repair budget and consciously choose original parts from dismantling, it is worth reading the guide on our blog: Used parts for Mercedes – original components from dismantling, where we discuss the practical aspects of using used elements in Mercedes-Benz cars.