HomeBrake > SensorsStandard Ignition PWS178 Disc Brake Pad Wear Sensor - Front or Rear
Part #: PWS178

Standard Ignition PWS178 Disc Brake Pad Wear Sensor - Front or Rear

Front
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, ML500 and ML55 AMG
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Reliable Disc Brake Pad Wear Sensor for Mercedes-Benz ML55 AMG and ML500

The Standard Ignition PWS178 disc brake pad wear sensor is designed specifically for Mercedes-Benz ML55 AMG and ML500 models. This sensor helps monitor brake pad wear to ensure timely maintenance and safe braking performance.

Key Features of Standard Ignition PWS178 Brake Pad Wear Sensor

  • Compatible with Mercedes-Benz ML55 AMG and ML500 models
  • Disc brake pad wear sensor for accurate brake system monitoring
  • Durable construction for consistent performance
  • Direct replacement part number PWS178 for easy identification
  • Helps maintain optimal braking safety and efficiency

Detailed Description of the PWS178 Brake Pad Wear Sensor

The Standard Ignition PWS178 is engineered to provide precise detection of brake pad wear on Mercedes-Benz ML55 AMG and ML500 vehicles. By monitoring the condition of the disc brake pads, this sensor alerts drivers when pads need replacement, preventing potential brake system damage. The PWS178 sensor is manufactured to meet OEM specifications, ensuring proper fit and reliable operation within the brake system. Its robust design withstands the demanding conditions of braking environments, contributing to vehicle safety and performance.

Common Issues Addressed by the PWS178 Sensor

  • Prevents brake pad damage by signaling timely replacement
  • Reduces risk of brake system failure due to worn pads
  • Helps avoid costly repairs from neglected brake wear
  • Maintains consistent brake performance and safety
  • Eliminates false wear warnings with accurate sensing

Installation Notes and Tips for the PWS178 Sensor

  • Ensure vehicle compatibility with Mercedes-Benz ML55 AMG or ML500 before installation
  • Inspect brake pads and rotor condition during sensor replacement
  • Follow manufacturer torque specifications for sensor mounting
  • Test sensor functionality after installation to confirm proper operation
  • Consult vehicle service manual for detailed installation procedures

Quality Assurance and Warranty Information

Standard Ignition parts, including the PWS178 disc brake pad wear sensor, are manufactured to meet or exceed OEM standards. This part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to support long-term use in Mercedes-Benz ML55 AMG and ML500 vehicles.

BrandStandard Ignition
Part NumberPWS178
Connector GenderMale
Connector ShapeRound
FunctionsBrake Pad Wear Sensor
Mounting LocationBrake Caliper
Terminal GenderFemale
Terminal TypeBullet

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2005Mercedes-BenzML500Front
2005Mercedes-BenzML500Rear
2004Mercedes-BenzML500Front
2004Mercedes-BenzML500Rear
2003Mercedes-BenzML500Front
2003Mercedes-BenzML500Rear
2002Mercedes-BenzML500Rear
2002Mercedes-BenzML500Front
2000Mercedes-BenzML55 AMGFrontTo 9/00
2000Mercedes-BenzML55 AMGRearTo 9/00

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

084-153716354015172BWS01445S1156571-386176338BWS578SU13018SW-0506V30-72-0704WS378

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.