Mercedes W204 Steering Column Switch Cluster Wiper Stalk Slip A2129009417

Mercedes W204 Steering Column Switch Cluster Wiper Stalk Slip is an original component from the Switches, control elements and ignition locks group, responsible for operating the wipers and related functions via the steering column stalk. This used module ensures factory integration with the vehicle's electrical system, maintaining the correct operating logic and ergonomics intended by the manufacturer.

Specifications and technical data

• SKU: A2129009417
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129009417
• Substitutable numbers: A2129009417, A 212 900 94 17
• Category: Switches & Controls

Function and application in the control system

This steering column switch cluster is responsible for precise control of wiper operation, including changing operating modes and handling functions related to the stalk movement. Thanks to a design consistent with Mercedes factory standards, the component works with the vehicle's electronics without the need for wiring modifications or additional adapters.

The module is designed for mounting on the steering column in W204 family models, providing the driver with convenient access to key functions without taking their hands off the steering wheel. The properly designed geometry of the stalk facilitates intuitive operation while driving, even in difficult weather conditions.

Benefits of using an original Mercedes switch

Using an original switch cluster in a Mercedes brings a number of practical benefits:

• factory fit to the steering column and interior covers, without mechanical installation issues,
• proper cooperation with the vehicle's comfort and safety systems,
• preservation of the original wiper operation and function switching logic,
• consistent interior aesthetics thanks to the compatibility of shape and finish with other cockpit elements.

For users looking for a service solution, such an element from the Switches, control elements and ignition locks group allows for the restoration of full control system functionality while maintaining manufacturer standards.

Characteristics of the used component

The offered switch is a used component, which in practice means it comes from vehicle dismantling and has been verified for its suitability for further use. This type of part represents a reasonable compromise between repair costs and maintaining original build quality and compatibility with the car's electronics.

Choosing a used steering column control module is particularly beneficial in the case of post-accident repairs, replacing a damaged stalk, or resolving issues with improper wiper operation when you want to maintain factory specifications without investing in a new subassembly.

Selection by OEM number and vehicle integration

When selecting a switch cluster for a specific Mercedes vehicle, it is crucial to match it by OEM number and the car's equipment configuration. Proper matching guarantees correct cooperation with control modules and the electrical system, without communication errors or function limitations.

If you want to deepen your knowledge on the safe selection of parts by manufacturer markings, a practical guide will be helpful: how to choose the right car part by VIN and OEM number. You will find a step-by-step procedure and tips on how to verify the compatibility of used components.

Related Mercedes control elements

If you are planning a comprehensive repair or upgrade of the steering column control area in your Mercedes and need other elements from the same group, such as turn signal stalks, ignition switch modules, or additional comfort function switches, check the available parts in the Mercedes Switches, control elements and ignition locks category.

When performing service work on safety and comfort systems, it is also worth ensuring the efficiency of the braking system – the article will help in selecting used components: second-hand braking system: how to safely choose discs, calipers and ABS, which contains a checklist useful when shopping in specialized automotive stores.