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Product Detail

A0025429418 A0025429518 A0025427218 A0025427618

A0025429418 A0025429518 A0025427218 A0025427618

A0025429418 A0025429518 A0025427218 A0025427618 for Mercedes-Benz ESP Yaw Rate Sensor

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Product Detail

ESP Yaw Rate Sensor for Mercedes-Benz

Part Numbers: A0025429418, A0025429518, A0025427218, A0025427618

Product Overview

The ESP Yaw Rate Sensor is a critical safety component in Mercedes-Benz vehicles, integrated into the Electronic Stability Program (ESP) — also referred to as Electronic Stability Control (ESC). It continuously measures the vehicle's rotational velocity around its vertical axis (yaw rate) and sends real-time data to the ESP control unit. This information helps detect discrepancies between the driver's intended steering direction and the vehicle's actual trajectory, enabling the system to apply selective braking and/or adjust engine torque to prevent skidding and enhance directional stability.

Key Features

High-Accuracy Measurement
- Employs advanced MEMS (Micro-Electromechanical System) technology for precise yaw rate detection.
- Delivers stable performance under varied driving and road conditions.
Genuine OEM Specification
- Engineered to meet Mercedes-Benz’s strict quality and performance standards.
- Ensures seamless integration with ESP, ABS, and related control modules.
Durable Design
- Built to withstand automotive environmental stresses, including vibration, temperature extremes, and moisture.
- Provides long-term reliability and consistent signal output.
Plug-and-Play Compatibility
- Equipped with original-style connectors for direct replacement.
- Requires system calibration and adaptation using Mercedes-Benz diagnostic tools after installation.

Technical Specifications

Sensor Type: MEMS-based angular rate sensor
Signal Output: Digital (CAN bus communication)
Operating Voltage: Typically 12V DC
Mounting Location: Usually installed near the vehicle’s center of gravity — commonly under the front seats, center console, or within the ESP control unit housing.
System Integration: Integral part of the ESP/ESC, ABS, and BAS (Brake Assist System) networks.

Common Symptoms of Failure

ESP/ESC warning lamp illuminated on the instrument cluster
Loss of stability control or traction control intervention
Unexpected activation of ABS during normal braking
Diagnostic trouble codes (DTCs) related to yaw rate or lateral acceleration sensor (e.g., Mercedes fault codes such as C1140, C1141, etc.)
In some cases, the cruise control or Distronic system may become inoperative.

Installation & Calibration Instructions

Pre-Installation:
- Disconnect the vehicle battery to prevent electrical faults.
- Ensure the vehicle is parked on a level surface.
Installation:
- Replace the sensor using torque specifications where applicable.
- Secure all connectors firmly.
Post-Installation Calibration (Mandatory):
- Use Mercedes-Benz-approved diagnostic systems such as XENTRY, STAR DIAGNOSIS, or compatible scanners with Mercedes software.
- Perform steering angle sensor calibration and yaw rate/lateral acceleration sensor initialization.
- Clear all fault codes and conduct a system functionality test via a short drive.

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Previous : 1J1907637A/B 1J0907657A/B

Product Detail

ESP Yaw Rate Sensor for Mercedes-Benz

Part Numbers: A0025429418, A0025429518, A0025427218, A0025427618

Product Overview

Key Features

High-Accuracy Measurement
- Employs advanced MEMS (Micro-Electromechanical System) technology for precise yaw rate detection.
- Delivers stable performance under varied driving and road conditions.
Genuine OEM Specification
- Engineered to meet Mercedes-Benz’s strict quality and performance standards.
- Ensures seamless integration with ESP, ABS, and related control modules.
Durable Design
- Built to withstand automotive environmental stresses, including vibration, temperature extremes, and moisture.
- Provides long-term reliability and consistent signal output.
Plug-and-Play Compatibility
- Equipped with original-style connectors for direct replacement.
- Requires system calibration and adaptation using Mercedes-Benz diagnostic tools after installation.

Technical Specifications

Sensor Type: MEMS-based angular rate sensor
Signal Output: Digital (CAN bus communication)
Operating Voltage: Typically 12V DC
Mounting Location: Usually installed near the vehicle’s center of gravity — commonly under the front seats, center console, or within the ESP control unit housing.
System Integration: Integral part of the ESP/ESC, ABS, and BAS (Brake Assist System) networks.

Common Symptoms of Failure

ESP/ESC warning lamp illuminated on the instrument cluster
Loss of stability control or traction control intervention
Unexpected activation of ABS during normal braking
Diagnostic trouble codes (DTCs) related to yaw rate or lateral acceleration sensor (e.g., Mercedes fault codes such as C1140, C1141, etc.)
In some cases, the cruise control or Distronic system may become inoperative.

Installation & Calibration Instructions

Pre-Installation:
- Disconnect the vehicle battery to prevent electrical faults.
- Ensure the vehicle is parked on a level surface.
Installation:
- Replace the sensor using torque specifications where applicable.
- Secure all connectors firmly.
Post-Installation Calibration (Mandatory):
- Use Mercedes-Benz-approved diagnostic systems such as XENTRY, STAR DIAGNOSIS, or compatible scanners with Mercedes software.
- Perform steering angle sensor calibration and yaw rate/lateral acceleration sensor initialization.
- Clear all fault codes and conduct a system functionality test via a short drive.

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