Mercedes SLC R172 Gearshift Selector Automatic Gear Switch Shifter A2312670800

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes SLC R172 Gearshift Selector Automatic Gear Switch Shifter is an original transmission control component designed for Mercedes SLC R172 generation models. This used gear knob integrated with the switch ensures a factory fit, a consistent interior look, and precise control over transmission operating modes. It is a solution for users who want to restore full functionality to the drivetrain while maintaining the original manufacturer specifications.

Specifications and technical data

• SKU: RHD-A2312670800-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2312670800
• Substitutable numbers: A2312670800, A 231 267 08 00, A2315420200, A 231 542 02 00, A2315420100, A 231 542 01 00
• Gearbox type: Automatic
• Category: Gear Knobs

Purpose and function in the vehicle

The presented gear knob belongs to the Gear shift knobs category and is a control element for the automatic transmission in the Mercedes SLC R172. It is responsible for selecting the basic transmission operating ranges (park, drive, reverse, neutral positions) and for transmitting signals to the vehicle's control modules. Thanks to a design compliant with Mercedes factory standards, the correct operating logic of the system, ergonomics, and consistency with other center console elements are maintained.

Construction and compatibility with the automatic transmission

The gear knob has been specifically designed to work with an automatic transmission, which means the selector mechanism geometry and positioning points are perfectly matched. The applied design enables:

• precise guidance of the lever along the designated paths,
• clear distinction between individual operating positions,
• proper cooperation with the selector position sensors.

As a result, the driver receives predictable, repeatable system operation, which translates into comfort and drivetrain safety.

Benefits of using an original Mercedes gear shift knob

Using an original selector in a Mercedes SLC R172 allows for maintaining the factory parameters of the transmission control system. Key advantages include:

• Full compatibility with the vehicle's electrical system – correct connectors, mounting geometry, and lever travel range.
• Visual consistency with the interior – maintaining the center console finish characteristic of Mercedes.
• Stable drivetrain operation – correct signal transmission to the transmission controller and safety systems.
• Ability to use existing mounting points – no structural modifications required.

The used component allows for optimizing repair costs while maintaining the original build quality characteristic of the Mercedes brand.

Condition, verification, and service application

The gear shift knob is offered as a used part, which means it comes from dismantling and has been verified for further use. This type of component is particularly useful in situations where:

• mechanical damage to the lever or its housing has occurred,
• there are problems with selecting transmission ranges resulting from selector damage,
• replacement of the element is necessary after a collision or interference with the center console.

By maintaining the factory design, it is possible to restore the original functionality without interfering with the vehicle's electronics, while maintaining a professional repair standard.

Part selection by numbers and technical support

Precise selection of the selector for a specific version of the Mercedes SLC R172 should be based on manufacturer markings and vehicle data. In case of doubts regarding compatibility with a specific car configuration, it is worth using selection procedures based on catalog numbers or vehicle identification. A detailed discussion of the principles for selecting drivetrain components, including those working with automatic transmissions, can be found in the article: Why it is worth buying used gearboxes and engines – facts instead of myths.

If you are planning a comprehensive repair or upgrade of the drivetrain control area in your Mercedes and need other elements from the same group, such as different variants of knobs, levers, or complete selector assemblies, check the available parts in the Mercedes Gear shift knobs category.