# Transit Auto K8S-102939 Front and Rear Disc Brake Kit for 2014-2020 INFINITI QX30, Mercedes-Benz CLA250, Mercedes-Benz GLA250

### Performance Overview

Transit Auto offers the most comprehensive and highest-quality replacement kits on the market. Thanks to our cutting-edge AI, in-house product team, and proprietary fitment data, we are able to build and deliver the most accurate kits on the market. All our kits include the highest-quality parts on the market, sourced directly by Transit and its sub-brands. Backed by over 50 years of experience and with in-house quality assurance, every customer Transit Auto K8S-102939 is a vehicle-specific disc brake kit designed for compatible applications for 2014-2020 INFINITI, Mercedes-Benz QX30, CLA250, GLA250.

### Key Features

-   Exclusive MetalliX™ Low Resin Semi-Metallic compound provides unmatched braking performance (Abrasive Friction, Temperature Tolerance, Compound Warming) while
-   Engineered with carbon-enhanced XCast™ (G3000) iron castings to achieve an optimal wear resistance, tensile strength and steel hardness providing unmatched
-   Rubberized Multi-Layer Stainless Steel Shim reduces noise, vibration, and harshness for complete quietness
-   100% Precision Spin and Mill-Balanced for smoother stopping and zero vibration at any speed
-   Engineered with High Carbon SteelRX™ alloy (Pressure Resistant, Thermal Conductive) and dipped in an Anti-Rust Black Paint to improve durability

### Vehicle Fitment

**Fitment Position:** Front and Rear

**Fitment Summary:** 2014-2020 INFINITI, Mercedes-Benz QX30, CLA250, GLA250

**Position:** Front and Rear

-   2019 INFINITI QX30 — Position: Front and Rear; Note: With Vented Rear Rotors
-   2018 INFINITI QX30 — Position: Front and Rear; Fitment Precision: Base/Premium/Luxury; Note: With Vented Rear Rotors
-   2017 INFINITI QX30 — Position: Front and Rear; Note: With Vented Rear Rotors
-   2017-2018 Mercedes-Benz CLA250 — Position: Front and Rear; Note: With Sport Package
-   2015-2020 Mercedes-Benz GLA250 — Position: Front and Rear; Note: With Vented Rear Rotors
-   2014-2016 Mercedes-Benz CLA250 — Position: Front and Rear; Fitment Precision: AWD; Note: With Sport Package

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is K8S-102939.

**Is this product designed for direct replacement?**  
Yes. This product 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 Kit for QX30
-   Disc Brake Kit for INFINITI QX30
-   K8S-102939 fitment
-   Transit Auto Disc Brake Kit
-   Front and Rear Disc Brake Kit
-   2014 INFINITI QX30 Disc Brake Kit

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2019

INFINITI

QX30

Front and Rear

With Vented Rear Rotors

2018

INFINITI

QX30

Front and Rear

Base/Premium/Luxury

With Vented Rear Rotors

2017

INFINITI

QX30

Front and Rear

With Vented Rear Rotors

2017

Mercedes-Benz

CLA250

Front and Rear

With Sport Package

2018

Mercedes-Benz

CLA250

Front and Rear

With Sport Package

2015

Mercedes-Benz

GLA250

Front and Rear

With Vented Rear Rotors

2016

Mercedes-Benz

GLA250

Front and Rear

With Vented Rear Rotors

2017

Mercedes-Benz

GLA250

Front and Rear

With Vented Rear Rotors

2018

Mercedes-Benz

GLA250

Front and Rear

With Vented Rear Rotors

2019

Mercedes-Benz

GLA250

Front and Rear

With Vented Rear Rotors

## Details

- **Price:** 333.72 CAD
- **Vendor:** Transit Auto
- **Type:** Disc Brake Kit
- **Tags:** 2015 Mercedes-Benz GLA250, 2016 Mercedes-Benz GLA250, 2017 INFINITI QX30, 2017 Mercedes-Benz CLA250, 2017 Mercedes-Benz GLA250, 2018 INFINITI QX30, 2018 Mercedes-Benz CLA250, 2018 Mercedes-Benz GLA250, 2019 INFINITI QX30, 2019 Mercedes-Benz GLA250, Automotive Parts, Daily Driver, Direct Replacement, Disc Brake Kit, Disc Rotors and Semi-Metallic Brake Pads Kit, Front and Rear, K8S-102939, Transit Auto, Transit Auto K8S-102939, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 333.72 CAD | In stock |

## Images

- Transit Auto K8S-102939 Disc Brake Kit for 2014-2020 INFINITI QX30, Mercedes-Benz CLA250, Mercedes-Benz GLA250 - Front and Rear product image

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> Source: [Standard Auto Part](www.standardautopart.com/products/transit-auto-k8s-102939-disc-brake-kit-for-2014-2020-infiniti-qx30-mercedes-benz-cla250-mercedes-benz-gla250-front-and-rear-k8s-102939)
> Updated: 2026-06-19