Mercedes W177 Brake Pedal Sensor Control Unit A2239056213

Mercedes W177 Brake Pedal Sensor Control Unit is an original brake control system component designed for precise interaction with the vehicle's electronics. As part of the Other brake sensors and switches group, it is responsible for the correct transmission of signals from the brake pedal to safety and drive control systems. This solution ensures the consistent operation of assistance systems, electronic stability control, and drive management in Mercedes vehicles.

Specifications and technical data

• SKU: A2239056213
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2239056213
• Substitutable numbers: A2239056213, A 223 905 62 13
• Category: Additional Brake Sensors & Switches

Function and role of the brake pedal sensor

The brake pedal sensor in Mercedes W177 models plays a key role in communication between the driver and the vehicle's electronic systems. It registers the position and depression of the brake pedal and transmits this information to control units responsible for, among others, the braking system, electronic stability control, or driver assistance functions. A properly functioning sensor ensures a predictable vehicle response to brake application and stable cooperation with other electronic modules.

Compatibility and integration with the braking system

The offered sensor has been specifically designed for use in the Mercedes W177 platform, which means full integration with the factory electrical installation and control unit software. As a result, the following are maintained:

• consistency of input signals for safety systems,
• proper cooperation with brake control modules,
• stable operation of driver assistance functions.

Selecting a component from the same design group as the original vehicle equipment reduces the risk of communication errors, incorrect readings, or the appearance of fault messages in the diagnostic system.

Component characteristics and advantages of use

The brake pedal sensor in this version is designed to operate in the demanding environment of the pedal box, where it is exposed to temperature changes, vibrations, and frequent operating cycles. The component's design has been developed to ensure:

• stable signal reading across the full range of pedal travel,
• repeatability of operation during repeated activation of the braking system,
• proper cooperation with factory electrical connectors.

Using an original solution to replace a worn or damaged component allows for the restoration of proper braking system operation and associated electronic systems without the need for installation modifications.

Component condition and practical aspects

The offered brake pedal sensor is an aftermarket part, which allows for an economical replacement while maintaining compliance with the vehicle's factory specifications. Choosing a used OEM component is particularly beneficial for modern models, where vehicle electronics are sensitive to the quality of sensor signals. This type of solution enables the maintenance of a high level of functionality at reasonable service costs.

If you want to better understand how to safely use aftermarket parts and resolve doubts regarding their quality, it is worth reading the article Used car parts: Myths and facts you need to know, which discusses in detail the most common concerns related to used components.

Braking system expansion in Mercedes W177

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as additional sensors, switches, or control elements, check the available parts in the category Other Mercedes brake sensors and switches.

In a situation where you want to reduce the vehicle's downtime at the service center and utilize readily available aftermarket OEM components, the guide Availability of car parts off the shelf vs. repair time – how do used OEMs shorten workshop stays?, which describes the practical benefits of quickly selecting the right parts, may also be helpful.