Mercedes W177 W205 W213 W910 Steering Wheel Contact Plate Switch A0994644905

The Mercedes W177 W205 W213 W910 Steering Wheel Module is an original part from the Switches, Controls, and Ignition Switches category, designed for the steering system of select Mercedes models. This solution is for users who want to maintain factory control logic and electronic consistency by using a pre-owned, tested component. Thanks to this module, it's possible to restore full functionality to the buttons and switches on the steering wheel without altering the vehicle's wiring.

Specifications and technical data

• SKU: A0994644905
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0994644905
• Substitutable numbers: A0994644905, A 099 464 49 05
• Category: Switches & Controls

Steering Wheel Module Purpose and Function

The steering wheel module is responsible for processing signals from the buttons and switches located on the steering wheel rim and ensuring their proper communication with other control units in the car. In Mercedes compact and mid-size class vehicles, it plays a crucial role in integrating comfort, safety, and driver-assistance system functions.

Using an original module within the Switches, Controls, and Ignition Switches category ensures compatibility with the vehicle's factory electrical architecture and software, reducing the risk of CAN bus communication errors and coding issues.

Benefits of Using an Original Mercedes Module

Using an original steering wheel module in Mercedes cars offers a range of practical technical benefits:

• maintaining the factory functionality of steering wheel buttons and controls,
• compatibility with other vehicle control units without the need for wiring modifications,
• reduced risk of diagnostic errors associated with incompatible aftermarket parts,
• easier configuration and adaptation using standard service tools.

For workshops and private users, this translates to more predictable installation and stable steering system operation after component replacement.

Characteristics of a Used Steering Wheel Module

The offered module is a salvaged part, classified as a used original part. Such components are often chosen as an economical alternative to new parts while maintaining compliance with the manufacturer's factory standards. In practice, this allows for reduced repair or upgrade costs, especially for the complex electronic systems in newer Mercedes generations.

A used steering wheel module is a good choice in situations where:

• the existing control unit has suffered electrical or mechanical damage,
• there are issues with the operation of steering wheel buttons,
• the component needs replacement after a collision or intervention in the steering system.

Practical Service Application

Replacing the steering wheel module in Mercedes vehicles requires adherence to service procedures related to the airbag system and power supply. In most cases, the installation proceeds in an orderly manner, and after the physical installation of the module, basic diagnostics and potential adaptation within the vehicle's system are necessary.

When selecting parts, it is helpful to use manufacturer markings and reference numbers, which facilitates matching the module to the specific equipment version and model year. This helps reduce the risk of functional incompatibilities, such as with media control, cruise control, or the onboard computer.

Other Mercedes Switches, Controls, and Ignition Switches

If you are also looking for other Mercedes Switches, Controls, and Ignition Switches for your car, check out the Mercedes Switches, Controls, and Ignition Switches available in our store to select compatible components for your specific model.

More About Used Mercedes Parts

When choosing used components, it is worthwhile to understand the broader context of using original salvaged parts for this brand of car. We encourage you to read the article Used Mercedes Parts – Original Salvaged Components, which describes how to combine savings with maintaining manufacturer standards in practice.