Mercedes W164 Steering Switch Column Cluster Wiper Stalk Slip Squib A1645450516

Mercedes W164 Steering Switch Column Cluster Wiper Stalk Slip Squib is an original control system component that combines the functions of the wiper stalk, turn signal switch, and airbag slip ring module. Thanks to its factory design, it ensures precise switch operation and proper communication with the vehicle's electronics, which is crucial for driving safety and comfort.

Specifications and technical data

• SKU: A1645450516-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1645450516
• Substitutable numbers: A1645450516, A 164 545 05 16
• Category: Switches & Controls

Function and application in the Mercedes W164

The offered steering column switch is dedicated to the Mercedes M-Class W164 generation models, where it is responsible for operating basic functions from the steering wheel. It integrates several essential components into a single housing, allowing for:

• control of windshield wipers and washers,
• operation of turn signals as well as high and low beam headlights,
• transmission of signals from the steering wheel via the slip ring (so-called slip/squib) to the airbag and function buttons.

This solution minimizes the number of separate elements in the steering column and facilitates maintenance, while ensuring stable cooperation with factory safety systems.

Construction and compatibility with vehicle electronics

The switch belongs to the Switches, control elements and ignition locks group, which means it is designed for tight integration with Mercedes control modules. The applied slip ring construction enables safe routing of signal harnesses through the rotating steering wheel without the risk of wire abrasion.

The original design ensures:

• proper fitment to the steering column in the Mercedes W164,
• correct mounting points and electrical connectors,
• compatibility with factory electronic settings without the need for installation modifications.

Thanks to this, the component can be used both as a replacement part for repairs and for restoring full functionality after a collision or steering system failure.

Performance characteristics and installation advantages

As an original Mercedes part, the steering column switch ensures consistent operation of all stalk functions and predictable performance over a long service life. A used part from disassembly is a solution that allows for reducing service costs while maintaining factory build quality.

The main benefits include:

• preservation of original ergonomics from the steering wheel,
• no need for mechanical adaptation of the steering column,
• the ability to restore full functionality of the wiper, turn signal, and airbag systems.

The used condition means the component comes from an operational vehicle, which in practice often translates into a favorable price-to-functionality ratio, especially in the case of premium cars.

Original used Mercedes parts and repair cost-effectiveness

In the case of Mercedes vehicles, choosing original used components allows for significantly lowering repair costs without sacrificing factory specifications. This applies to both electronic and mechanical elements, including steering column switches. If you want to better understand how to use such components when servicing your car, read the article Used parts for Mercedes – original parts from disassembly.

Expanding the control system in a Mercedes

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