# Genius KG-100660 Disc Brake Rotor for 2013-2020 Mercedes-Benz CLA250, INFINITI QX30 and More - Rear

### Performance Overview

Genius has been the undisputed leader in coated rotor manufacturing for the last 15 years thanks to it's groundbreaking lab engineered G-Cast™ iron cast and G-Coat™ dipped conative. Genius in-house engineered managed to develop the best combination of iron cast and coating to produce unmatched protection that adhere and stay durable for the lifetime of the rotor, without compromising on the rotor braking performan...

### Key Features

-   Engineered with with Carbon-Enhanced G-Cast™ (G11H18/G3000) iron castings to achieve an optimal braking performance (strength, stability, durability)
-   Exclusive G-Coat™ double-layer (8µm) protective coating provides rust protection on 100% of the non-braking surface
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   Cross-Hatched smooth surface to improve the pad's ability to grip the rotor surface, especially during initial brake applications or in wet conditions
-   Double disc ground finish eliminates lateral run-out and DTV (disk thickness variation) issues on the rotor and improves pad-rotor bed-in
-   Tested for maximum tolerance to voluminous amount of constant thermal cycles

### Package include:

-   2x Disc Brake Rotor

### Vehicle Fitment

**Fitment Summary:** 2013-2020 Mercedes-Benz CLA250, INFINITI QX30, Mercedes-Benz B250e, Mercedes-Benz GLA250, Mercedes-Benz B Electric Drive, Mercedes-Benz B250

**Position:** Rear

-   2019 Mercedes-Benz CLA250 — Position: Rear
-   2017-2019 INFINITI QX30 — Position: Rear | Note: With Solid Rear Rotors
-   2016-2017 Mercedes-Benz B250e — Position: Rear
-   2015-2020 Mercedes-Benz GLA250 — Position: Rear | Note: With Solid Rear Rotors
-   2014-2015 Mercedes-Benz B Electric Drive — Position: Rear
-   2014-2018 Mercedes-Benz CLA250 — Position: Rear | Note: Without Sport Package
-   2013-2019 Mercedes-Benz B250 — Position: Rear

### 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 2013-2020 Mercedes-Benz CLA250, INFINITI QX30, Mercedes-Benz B250e, Mercedes-Benz GLA250, Mercedes-Benz B Electric Drive, Mercedes-Benz B250.

**What part number is this?**  
The listed part number is KG-100660.

**Is this product designed for direct replacement?**  
Yes. This Disc Brake Rotor 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 Rotor for Mercedes-Benz CLA250
-   KG-100660 fitment
-   Genius Disc Brake Rotor
-   Rear Disc Brake Rotor
-   2013-2020 Mercedes-Benz CLA250 Disc Brake Rotor

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2019

Mercedes-Benz

CLA250

Rear

2017

INFINITI

QX30

Rear

With Solid Rear Rotors

2018

INFINITI

QX30

Rear

With Solid Rear Rotors

2019

INFINITI

QX30

Rear

With Solid Rear Rotors

2016

Mercedes-Benz

B250e

Rear

2017

Mercedes-Benz

B250e

Rear

2015

Mercedes-Benz

GLA250

Rear

With Solid Rear Rotors

2016

Mercedes-Benz

GLA250

Rear

With Solid Rear Rotors

2017

Mercedes-Benz

GLA250

Rear

With Solid Rear Rotors

2018

Mercedes-Benz

GLA250

Rear

With Solid Rear Rotors

2019

Mercedes-Benz

GLA250

Rear

With Solid Rear Rotors

2020

Mercedes-Benz

GLA250

Rear

With Solid Rear Rotors

2014

Mercedes-Benz

B Electric Drive

Rear

2015

Mercedes-Benz

B Electric Drive

Rear

2014

Mercedes-Benz

CLA250

Rear

Without Sport Package

2015

Mercedes-Benz

CLA250

Rear

Without Sport Package

2016

Mercedes-Benz

CLA250

Rear

Without Sport Package

2017

Mercedes-Benz

CLA250

Rear

Without Sport Package

2018

Mercedes-Benz

CLA250

Rear

Without Sport Package

2013

Mercedes-Benz

B250

Rear

2014

Mercedes-Benz

B250

Rear

2015

Mercedes-Benz

B250

Rear

2016

Mercedes-Benz

B250

Rear

2017

Mercedes-Benz

B250

Rear

2018

Mercedes-Benz

B250

Rear

2019

Mercedes-Benz

B250

Rear

## Details

- **Price:** 85.11 CAD
- **Vendor:** Genius
- **Type:** Disc Brake Rotor
- **Tags:** 2013-2020 Mercedes-Benz CLA250, Automotive Parts, Brake Parts, Disc Brake Rotor, Genius, KG-100660, Mercedes-Benz CLA250, Rear, Replacement Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 85.11 CAD | In stock |

## Images

- Genius KG-100660 Disc Brake Rotor for 2013-2020 Mercedes-Benz CLA250, INFINITI QX30 and More - Rear

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/genius-kg-100660-disc-brake-rotor-2013-2020-mercedes-benz-cla250)
> Updated: 2026-07-16