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Raybestos EWS166 Disc Brake Pad Wear Sensor - FrontOE Quality 60-Day Returns
Part #: EWS166

Raybestos EWS166 Disc Brake Pad Wear Sensor - Front

R-Line, Front
53 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
R-Line, Front
Fitment: Mercedes-Benz, Maybach S560, SL450, SL550, Maybach S550, S550, S550e, and SL400
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Not what you need? See all Disc Brake Pad Wear Sensor options

Reliable Disc Brake Pad Wear Sensor for Mercedes-Benz Models

The Raybestos R-Line Disc Brake Pad Wear Sensor (Part Number EWS166) is designed to provide accurate and timely alerts for brake pad wear on select Mercedes-Benz vehicles. This sensor helps maintain optimal braking performance and safety by monitoring the condition of your disc brake pads.

  • Compatible with Mercedes-Benz CLS53 AMG, E53 AMG, Maybach S550, S560, S580, S680, S450, S500, S550e, S560e, SL400, SL450, and SL550 models
  • Part Number: EWS166 for precise identification and fitment
  • Disc Brake Pad Wear Sensor designed to detect pad wear and trigger dashboard alerts
  • Manufactured by Raybestos under the R-Line product line for consistent quality
  • Ensures timely maintenance to prevent brake system damage

About the Raybestos R-Line Product Line

The R-Line by Raybestos represents a dedicated product line focused on delivering reliable brake components tailored for specific vehicle applications. The R-Line Disc Brake Pad Wear Sensors, including the EWS166, are engineered to meet the exact specifications required by Mercedes-Benz models, ensuring compatibility and dependable performance within the braking system.

Product Description and Functionality

The Raybestos R-Line Disc Brake Pad Wear Sensor EWS166 is an essential component for monitoring brake pad thickness on various Mercedes-Benz vehicles. By providing an electrical signal when the brake pads reach a minimum thickness, this sensor helps drivers avoid unexpected brake wear and potential damage to the braking system. The sensor is designed to integrate seamlessly with the vehicle’s existing brake monitoring system, ensuring accurate and reliable alerts.

Common Applications and Issues Addressed

  • Prevents brake pad over-wear by providing early warning signals
  • Helps avoid costly rotor damage due to worn brake pads
  • Maintains vehicle safety by ensuring timely brake maintenance
  • Reduces risk of brake system failure from unnoticed pad wear
  • Supports compliance with vehicle maintenance schedules for Mercedes-Benz CLS53 AMG and other compatible models

Installation Notes and Tips

Installation of the Raybestos R-Line Disc Brake Pad Wear Sensor EWS166 should be performed by a qualified technician familiar with Mercedes-Benz brake systems. Ensure the sensor is properly connected to the vehicle’s wiring harness and securely mounted to avoid false alerts. Verify sensor functionality after installation by checking the brake pad wear indicator on the dashboard.

Quality Assurance and Warranty

Raybestos manufactures the R-Line Disc Brake Pad Wear Sensor EWS166 to meet stringent quality standards. While specific warranty details may vary, Raybestos products typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps maintain the integrity of your Mercedes-Benz braking system and supports safe vehicle operation.

This part fits 53 vehicles. Search below:

YearMakeModelPositionNotes
2025Mercedes-BenzE350FrontRaybestos R-Line
2025Mercedes-BenzE53 AMGFrontRaybestos R-Line
2025Mercedes-BenzMaybach S580FrontRaybestos R-Line
2025Mercedes-BenzMaybach S680FrontRaybestos R-Line
2025Mercedes-BenzS500FrontRaybestos R-Line
2025Mercedes-BenzS580FrontRaybestos R-Line
2025Mercedes-BenzS580eFrontRaybestos R-Line
2025Mercedes-BenzS63 AMG E PerformanceFrontRaybestos R-Line
2023Mercedes-BenzE53 AMGFrontRaybestos R-Line
2023Mercedes-BenzMaybach S580FrontRaybestos R-Line
2023Mercedes-BenzMaybach S680FrontRaybestos R-Line
2023Mercedes-BenzS500FrontRaybestos R-Line
2022Mercedes-BenzE53 AMGFrontRaybestos R-Line
2022Mercedes-BenzMaybach S580FrontRaybestos R-Line
2022Mercedes-BenzMaybach S680FrontRaybestos R-Line
2022Mercedes-BenzS500FrontRaybestos R-Line
2021Mercedes-BenzCLS53 AMGFrontRaybestos R-Line
2021Mercedes-BenzE53 AMGFrontRaybestos R-Line
2021Mercedes-BenzMaybach S580FrontRaybestos R-Line
2021Mercedes-BenzS500FrontRaybestos R-Line
2021Mercedes-BenzS560FrontRaybestos R-Line
2020Mercedes-BenzCLS53 AMGFrontRaybestos R-Line
2020Mercedes-BenzE53 AMGFrontRaybestos R-Line
2020Mercedes-BenzMaybach S560FrontRaybestos R-Line
2020Mercedes-BenzS450FrontRaybestos R-Line
2020Mercedes-BenzS560FrontRaybestos R-Line
2020Mercedes-BenzS560eFrontRaybestos R-Line
2019Mercedes-BenzCLS53 AMGFrontRaybestos R-Line
2019Mercedes-BenzE53 AMGFrontRaybestos R-Line
2019Mercedes-BenzMaybach S560FrontRaybestos R-Line
2019Mercedes-BenzS450FrontRaybestos R-Line
2019Mercedes-BenzS560FrontRaybestos R-Line
2019Mercedes-BenzS560eFrontRaybestos R-Line
2018Mercedes-BenzMaybach S560FrontR-Line
2018Mercedes-BenzS450FrontRaybestos R-Line
2018Mercedes-BenzS560FrontRaybestos R-Line
2018Mercedes-BenzSL450FrontR-Line
2018Mercedes-BenzSL550FrontR-Line
2017Mercedes-BenzMaybach S550FrontR-Line
2017Mercedes-BenzS550FrontR-Line
2017Mercedes-BenzS550eFrontR-Line
2017Mercedes-BenzSL450FrontR-Line
2017Mercedes-BenzSL550FrontR-Line
2016Mercedes-BenzS550FrontR-Line
2016Mercedes-BenzS550eFrontR-Line
2016Mercedes-BenzSL400FrontR-Line
2016Mercedes-BenzSL550FrontR-Line
2015Mercedes-BenzS550FrontR-Line
2015Mercedes-BenzS550eFrontR-Line
2015Mercedes-BenzSL400FrontR-Line
2015Mercedes-BenzSL550FrontR-Line
2014Mercedes-BenzSL550FrontR-Line
2013Mercedes-BenzSL550FrontR-Line

* 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:

2319050014

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

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