Mercedes SLK R170 Steering Column Switch Wiper Indicator Stalk Unit A1705400144

Mercedes SLK R170 Steering Column Switch Wiper Indicator Stalk Unit is an original control component responsible for operating the turn signals and wipers, designed for installation in the R170 generation SLK model. Thanks to its factory design, it ensures precise stalk operation and consistent fitment with the electrical system and interior ergonomics of the Mercedes.

Specifications and technical data

• SKU: A1705400144
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1705400144
• Substitutable numbers: A1705400144, A 170 540 01 44
• Category: Switches & Controls

Function and application in the control system

The offered component belongs to the Switches, control elements and ignition locks group and plays a key role in the daily operation of the vehicle. The stalk unit on the steering column is responsible for:

• controlling turn signals during lane changes and turns,
• operating wipers in various modes,
• intuitive switching of functions without taking your hands off the steering wheel.

Thanks to its design tailored to the Mercedes SLK R170, the switch maintains the factory operating logic and ease of use characteristic of this brand.

Compatibility and fitment for Mercedes

The switch has been designed specifically for Mercedes vehicles, which translates into proper fitment with the steering column and correct cooperation with the electrical installation. Original Mercedes-Benz origin means:

• retention of factory mounting points on the column,
• compatibility with the wiring harness without the need for modifications,
• ergonomic positioning of the stalks relative to the steering wheel.

This type of solution is particularly beneficial when replacing a damaged module, where the goal is to restore original functionality without interfering with the installation.

Characteristics of the used component

The offered steering column switch is a used part, sourced from dismantling. This type of component allows for an economical repair of the control system while maintaining original manufacturing quality. In practice, this means:

• factory construction compliant with Mercedes-Benz standards,
• retention of original geometry and ergonomics of the stalks,
• favorable cost-to-functionality ratio compared to new aftermarket replacements.

Choosing an original used component is particularly attractive for repairing vehicles that are several or more years old, where both reliability and service budget control are important.

Benefits of using an original switch

Using a combination switch dedicated to the SLK R170 allows for restoring full functionality of the control system without compromises in terms of safety and comfort. The most important advantages include:

• operational consistency with other vehicle systems – no communication issues within the electrical installation,
• stable mounting on the steering column,
• retention of the original interior look, without visually mismatched replacements.

This solution is recommended both for typical replacement of a worn-out module and for post-accident repairs involving the steering column area.

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

Why choose used original Mercedes components

When repairing control systems in a Mercedes, the best choice is often original parts from dismantling, which maintain factory quality at significantly lower costs than new subassemblies. If you want to better understand how to safely choose such components and what to look for when purchasing, read the article: Used parts for Mercedes – original parts from dismantling.