# Mpulse KSE-100478 Disc Brake Pad Wear Sensor for 2021 Mercedes-Benz S63 AMG - Rear

### Performance Overview

mPulse Brake Pads Wear Sensors are engineered for durability and precision. Using our proprietary technology, we achieve the highest precision rate on the market. Using premium anti-oxidant coating, mPulse sensors are durable and resistant to oxidation and high temperatures, ensuring long-term stable performance.

### Key Features

-   mPulse unique technology ensures the electronic control systems track physical or substance changes and turn them into electrical indicators with unmatched precision
-   Engineered with high-quality material to ensure long-term performance and the capability to resist high temperatures
-   Made with corrosion-free coating for highest durability on the market
-   Direct plug-in OE replacement for proper fit and function for an unmatched experience
-   mPulse offers an extensive range of sensors that restores your vehicle to factory levels of performance
-   Part Reference Numbers : 2BWS0235 2319057300 WK802 EWS221

### Package include:

-   2x Brake Pad Wear Sensor

### Vehicle Fitment

**Fitment Summary:** 2021 Mercedes-Benz S63 AMG

**Position:** Rear

-   2021 Mercedes-Benz S63 AMG — Position: Rear | Fitment Precision: 4.0L | Note: with Ceramic Brake

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. This listing includes fitment data for 2021 Mercedes-Benz S63 AMG.

**What part number is this?**  
The listed part number is KSE-100478.

**Is this product designed for direct replacement?**  
Yes. This Disc Brake Pad Wear Sensor is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Disc Brake Pad Wear Sensor for Mercedes-Benz S63 AMG
-   KSE-100478 fitment
-   Mpulse Disc Brake Pad Wear Sensor
-   Rear Disc Brake Pad Wear Sensor
-   2021 Mercedes-Benz S63 AMG Disc Brake Pad Wear Sensor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2021

Mercedes-Benz

S63 AMG

Rear

4.0L

with Ceramic Brake

## Details

- **Price:** 70.98 CAD
- **Vendor:** Mpulse
- **Type:** Disc Brake Pad Wear Sensor
- **Tags:** 2021 Mercedes-Benz S63 AMG, Automotive Parts, Brake Parts, Disc Brake Pad Wear Sensor, KSE-100478, Mercedes-Benz S63 AMG, Mpulse, Rear, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 70.98 CAD | In stock |

## Images

- Mpulse KSE-100478 Disc Brake Pad Wear Sensor for 2021 Mercedes-Benz S63 AMG - Rear

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> Source: [Standard Auto Part](www.standardautopart.com/products/mpulse-kse-100478-disc-brake-pad-wear-sensor-2021-mercedes-benz-s63-amg)
> Updated: 2026-06-10