Mercedes W164 Steering Column Switch Wiper Stalk Automatic Gearbox A1645458616

Mercedes W164 Combination Switch Clock Spring Automatic A1645458616 is a specialized component from the Switches, Control Elements, and Ignition Switches group, designed for Mercedes vehicles equipped with an automatic transmission. It ensures consistent control of functions at the steering column and a stable electrical connection with the clock spring, which is crucial for the proper operation of comfort and safety systems.

Specifications and technical data

• SKU: A1645458616-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1645458616
• Substitutable numbers: A1645458616, A 164 545 86 16, A1644400101, A 164 440 01 01, A1645400144, A 164 540 01 44
• Gearbox type: Automatic
• Category: Switches & Controls

Function and Application of the Combination Switch

The combination switch with clock spring is responsible for integrating several essential control functions within the steering column. It consolidates signals from the stalks and the clock spring connector into a single module, enabling efficient information transfer to the vehicle's control units. This ensures proper communication with the body systems and precise, predictable operation of steering wheel functions.

The version dedicated to automatic transmissions is designed with the specific requirements of such a gearbox in mind, facilitating integration with the factory electrical system and control logic in the Mercedes W164 class.

Construction and Technical Characteristics

The component combines the switching part and the clock spring in a single housing, reducing the number of connections and connectors within the steering column. This solution minimizes the risk of circuit interruptions and simplifies the diagnosis of potential faults. The construction is prepared for compatibility with factory wiring harnesses, promoting the preservation of the original installation architecture.

The presence of dedicated replacement part numbers allows for the module to be matched to specific equipment configurations within the same vehicle platform, which is particularly important for professional repairs or replacement of control elements.

Compatibility with Automatic Transmission

Its designation for vehicles with an automatic transmission means that the operating logic of the combination switch is adapted to the specifics of such a gearbox. This facilitates proper cooperation with systems responsible for selecting driving modes and communication with powertrain control modules.

This solution helps maintain consistent operation of comfort and safety systems, as well as reducing the risk of errors resulting from the use of an incorrect variant of the part.

Benefits of Using an Original Used Part

Using an original combination switch with clock spring allows for the maintenance of factory operating parameters for the control systems in the Mercedes W164. For many users, this represents a sensible compromise between quality and repair cost, especially for premium vehicles where compliance with factory specifications is of great importance.

You can find more information about the advantages of using original salvaged parts in cars of this brand in the article Used Mercedes Parts – Original Salvaged Parts, which discusses the practical aspects of selecting and operating such components.

Expansion of the Control System in Mercedes

If you are planning a comprehensive repair or upgrade of the control area at the steering column in your Mercedes and require other components from the same group, such as stalks, control modules, or ignition switch inserts, check the available parts in the Mercedes Switches, Control Elements, and Ignition Switches category.