Accelerator Sensor Mercedes W169 W245 YAW Rate Control Unit Module A1693000204

Visual condition of the part 

The product shows signs of use visible in the photos. 

Accelerator Sensor Mercedes W169 W245 YAW Rate Control Unit Module is a component from the Electronic control modules and controllers group, responsible for the precise reading of acceleration and accelerator pedal position in Mercedes compact class vehicles. This used module allows for an economical yet technically correct repair of the drive control system, maintaining the factory logic of the electronics. It is a solution for users who expect a proven component with stable operating parameters.

Specifications and technical data

• SKU: A1693000204-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1693000204
• Substitutable numbers: A1693000204, A 169 300 02 04
• Category: ECUs & Computer Modules

Function and role of the accelerator sensor

Accelerator Sensor Mercedes W169 W245 YAW Rate Control Unit Module operates within the electronic drive control system, transmitting information about the dynamics of accelerator pedal depression to the engine controller. A properly functioning module ensures predictable throttle response, stable acceleration, and correct cooperation with other vehicle electronic components.

As an element from the Electronic control modules and controllers group, the sensor works with the vehicle's bus and participates in the interpretation of input signals, which are then processed by the main controllers. This allows the powertrain to maintain appropriate operating characteristics under various road conditions.

Benefits of using an original Mercedes module

Using an original Mercedes solution allows for maintaining consistency of operating parameters with the vehicle's factory settings. A properly selected accelerator sensor:

• maintains the correct throttle response characteristics, in accordance with the manufacturer's specifications,
• supports stable cooperation with other controllers in the vehicle,
• reduces the risk of diagnostic system errors resulting from incorrect part selection,
• allows for effective repair without interfering with the control software.

A used component from this group is often chosen as a reasonable compromise between repair costs and maintaining the factory functionality of the electronic system.

Application in Mercedes W169 and W245 models

The presented sensor has been designed for use in compact Mercedes W169 and W245 series models, where the accelerator pedal control system is based on the precise reading of electronic signals. Proper selection of the module for a specific vehicle configuration helps avoid problems with acceleration response, uneven engine operation, or error messages appearing in the onboard system.

Before installation, it is recommended to verify compatibility with the vehicle based on the manufacturer's markings and electronics configuration, which facilitates integration with the existing installation and minimizes the time required for diagnostics after replacement.

Why consider used control electronics

In the case of elements such as sensors, control modules, or comfort controllers, used components can be a technically justified alternative to new parts. A properly selected and tested accelerator sensor allows for restoring the correct operation of the system without the need to incur high costs of purchasing a brand-new module.

If you want to analyze more broadly when choosing a used controller or sensor makes sense, how to assess the cost-effectiveness of such a solution, and what to pay attention to when selecting electronics, check out our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding the control system in a Mercedes – related components

If you are planning a comprehensive repair or upgrade of the drive control area in your Mercedes and need other elements from the same group, such as control modules, auxiliary controllers, or additional electronic systems, check the available parts in the Electronic control modules and controllers Mercedes category.