Mercedes W204 Steering Column Switch Cluster Wiper Stalk Slip Squib A2044401401

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 Steering Column Switch Cluster Wiper Stalk Slip Squib is an original control system component that combines the functions of the wiper stalk, switch cluster, and airbag clock spring. This component from the Switches, control elements and ignition locks group ensures precise signal transmission from the steering wheel to the vehicle's electrical system, which translates into convenient and safe operation of basic functions while driving.

Specifications and technical data

• SKU: A2044401401-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044401401
• Substitutable numbers: A2044401401, A 204 440 14 01, KD
• Category: Switches & Controls

Function and application in the Mercedes W204

The described steering column switch cluster is dedicated to the Mercedes C-Class W204 generation models and is responsible for operating functions such as wipers, turn signals, and communication between the steering wheel and the vehicle's electrical system via an integrated clock spring module. Thanks to its factory design, it ensures the correct positioning of the stalks relative to the steering wheel and proper cooperation with the vehicle's electronics.

The original nature of the part means that the mounting geometry, electrical connectors, and switch logic are consistent with the manufacturer's factory specifications. This allows for maintaining the consistency of comfort and safety systems without the need for adaptation or modification of the installation.

Construction of the steering column switch cluster

The Mercedes W204 Steering Column Switch Cluster integrates several key control components into one housing. The assembly includes, among others:

• a stalk for controlling wipers and washers,
• a set of switches responsible for transmitting signals to body control modules,
• a slip ring (clock spring/squib) ensuring electrical continuity with the steering wheel and airbag.

Such a combination in a single module reduces the number of connections and potential points of failure, while also facilitating service – replacement is performed as a complete unit, without the need to disassemble individual stalks or the clock spring.

Benefits of using an original switch

Using an original steering column switch cluster in a Mercedes W204 brings a number of practical benefits. The most important include:

• Full compatibility with the electrical system – correct connectors, pin assignment, and switch logic.
• Stable cooperation with safety systems – correct signal transmission to the airbag and body modules.
• Proper operating ergonomics – factory positioning of the stalks relative to the steering wheel and dashboard.
• Possibility of direct installation in place of a worn or damaged element without additional modifications.

Thanks to this, the part will work well both for standard repairs after switch failure and when replacing a damaged airbag clock spring, when it is necessary to replace the entire assembly.

Condition, origin, and installation aspects

The offered element comes from dismantling and is classified as a used original Mercedes component. This type of part is an attractive alternative to new replacements because it retains factory build quality while allowing for reduced repair costs. Before installation, it is recommended to perform a standard check of the vehicle's electrical system and verify the correct operation of the switches after connection.

Due to the presence of the airbag clock spring and connectors, installation should be performed in accordance with safety procedures – in particular, by disconnecting the vehicle's power supply during work. A correctly installed switch cluster restores full functionality of the steering column controls without the need for additional mechanical configuration.

Expanding the control system in a Mercedes

If you are planning a comprehensive repair or upgrade of the cockpit area in your Mercedes and need other elements from the same group, such as additional stalks, control modules, or ignition lock elements, check the available parts in the Mercedes switches, control elements and ignition locks category.

When selecting used components for a Mercedes, it is worth paying attention to the quality and origin of the parts. More practical information on the cost-effectiveness of using original dismantled components can be found in the article Used parts for Mercedes – original components from dismantling, which discusses, among other things, the selection of comfort and electronics components in vehicles of this brand.