Holstein 2BWS0128 Disc Brake Pad Wear Sensor - Front or Rear

Holstein Disc Brake Pad Wear Sensor 2BWS0128

Holstein Parts 2BWS0128 is a disc brake pad wear sensor with a bullet terminal, round connector shape, and male connector design. It is used in brake wear monitoring systems that alert the driver when pad material reaches the service threshold, helping maintain proper brake inspection intervals on select Mercedes-Benz applications.

Key Features

• Disc brake pad wear sensor for brake system monitoring
• Bullet terminal type with 1 terminal and 1 connector
• Round connector shape with male connector gender
• Fits front and rear applications on select Mercedes-Benz models
• Cross-references Holstein Parts 2BWS0128 for the same application
• This part cross-references Beck/Arnley 084-1525 and Raybestos Brakes WK445 for the same application

Vehicle Fitment

• Fits 2016-2019 Mercedes-Benz G500, front. Only for use with ventilated brake discs [009], AL 0/3 CS-1,45/4,375, 730.39, MfrBodyCode: 463.247.
• Fits 2016-2018 Mercedes-Benz G550, front. Except dual sensor head.
• Fits 2014-2018 Mercedes-Benz G65 AMG, front. ALO/11 CS-1,45 T, 730.331, MfrBodyCode: 463.274.
• Fits 2014-2015 Mercedes-Benz G500, front. Only for use with ventilated brake discs [009], AL 0/3 CS-1,45/4,375, 730.39, MfrBodyCode: 463.248.
• Fits 2009-2012 Mercedes-Benz G500, front. Only for use with ventilated brake discs [009], AL 0/3 CS-1,45/4,375, 730.39, MfrBodyCode: 463.248.
• Fits 2014 Mercedes-Benz G63 AMG, front. With 315mm front rotor.
• Fits 2013 Mercedes-Benz G500, front. Only for use with ventilated brake discs [009], AL 0/9 CS-1,85/4,375, 730.386, MfrBodyCode: 463.248.
• Fits 2009-2011 Mercedes-Benz G55 AMG, front. Only for use with ventilated brake discs [009], AL 0/3 CS-1,45/4,11, 730.306, MfrBodyCode: 463.270.
• Fits 2002-2008 Mercedes-Benz G500, front.
• Fits 2008 Mercedes-Benz G55 AMG, front.
• Fits 2003-2004 Mercedes-Benz G55 AMG, front.
• Fits 2003-2005 Mercedes-Benz ML500, rear.
• Fits 2003 Mercedes-Benz ML55 AMG, front. From chassis: A 289559; X 754619.
• Fits 2001 Mercedes-Benz ML55 AMG, front. From chassis: A 289559; X 754619.
• Fits 2002-2003 Mercedes-Benz ML55 AMG, rear.
• Fits 2002 Mercedes-Benz ML500, front. From chassis #289559 or #754620.
• Fits 1999-2001 Mercedes-Benz G500, front. Only for use with ventilated brake discs [009], AL O/3 CS-1,3/4,375, 730.398, MfrBodyCode: 463.240.
• Fits 2000-2001 Mercedes-Benz ML430, front. From chassis: A 289559; X 754619.
• Fits 2001 Mercedes-Benz ML430, rear. To chassis: A 145273; X 707756.
• Fits 1999 Mercedes-Benz ML430, rear. To chassis: A 145273; X 707756.
• Fits 2001 Mercedes-Benz ML55 AMG, rear. From chassis: A 289559; X 754619.
• Fits 2000 Mercedes-Benz ML430, rear.
• Fits 2000 Mercedes-Benz ML55 AMG, rear. To chassis #289560 or #754620.
• Fits 1999 Mercedes-Benz ML430, front. To chassis: A 289559; X 754619.
• Fits 1998 Mercedes-Benz ML430, front. Up to ident. no.: A 289559; also installed in vehicle from A 289560, X 754620 with code 801 except code 802 X 754619 [811], MfrBodyCode: 163.172.

What It Helps Address

• Brake pad wear warning light or sensor fault on supported Mercedes-Benz vehicles
• Loss of brake pad wear monitoring signal at the wheel end
• Damaged or worn brake pad wear sensor wiring
• Service replacement after brake pad and rotor maintenance
• Front or rear brake wear sensor replacement on select G-Class and M-Class models

Installation Notes

Verify the vehicle’s brake configuration, rotor size, chassis breakpoints, and sensor head style before ordering. This Holstein Parts brake pad wear sensor is application-specific, so match the year, model, position, and notes exactly to the vehicle listing. Inspect the connector and terminal style during installation to confirm proper fitment with the existing harness.

Quality Assurance

Holstein Parts supplies application-specific brake sensors for select Mercedes-Benz platforms, including G500, G550, G55 AMG, G63 AMG, G65 AMG, ML430, ML500, and ML55 AMG coverage listed above. Part number 2BWS0128 is cataloged against multiple aftermarket references for the same application, including Beck/Arnley 084-1525 and Raybestos Brakes WK445.