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Your Vehicle 2020 Mercedes Benz C300 Base Sedan 205.083 L4 2.0L

Power Stop Z23 Evolution Sport Front Brake Kit (344mm)

A premium front-axle performance upgrade package featuring precision cross-drilled & slotted zinc-plated rotors, low-dust carbon-fiber ceramic pads, and a matching replacement electronic wear sensor.
Power Stop
Mfg Part #
K6893 K6893
ECS Part #
ES#3990225
Brand
Power Stop

SALE: 343.01 (10% OFF)
WAS: $381.99 on 09-15-2026

This product was last offered at the strikethrough price on
09-15-2026


This product is lifetime replacement eligible Lifetime Replacement
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Product Details

Upgrade your premium European roadster's front-axle braking profile, pedal responsiveness, and thermal capacities while completely eliminating aggressive, messy factory brake dust. The Power Stop Z23 Evolution Sport Brake Kit serves as a premium front-axle only performance upgrade replacement package. It is engineered explicitly as a direct bolt-on upgrade for agile luxury hardtop convertibles factory-outfitted with the upgraded 344mm front brake footprint (typically tied to factory Sport Packages, AMG-Line styling options, or standard equipment on higher-displacement baseline tiers).

By swapping out plain, heat-retaining factory discs for Tru-Cast� performance iron, this kit maximizes thermal resilience on the front axle, which handles up to 70% of your vehicle's total stopping responsibility. Precision-machined cooling holes accelerate internal airflow through the structural ventilation vanes of the discs to drop operational hot-spots fast under sudden deceleration. Simultaneously, rounded outer slots continuously sweep away boundary gases, moisture, and micro-debris to ensure a clean pad contact patch. Every performance rotor is finished with a defensive silver zinc-dichromate plating to actively prevent rust, scaling, and oxidation along the un-swept hub faces, lug ports, and internal cooling pathways.

The rotors are paired with advanced Z23 carbon-fiber infused ceramic pads. This compound noticeably increases braking power compared to traditional standard ceramic pads, providing a confident, immediate initial pedal bite without the harsh squeal or heavy black carbon residue common to original European factory semi-metallic configurations, keeping your front alloy wheels looking noticeably cleaner.

Key Features:

  • Z23 Evolution Sport Pads: Formulated with a proprietary low-dust carbon-fiber ceramic compound designed to noticeably increase braking torque while keeping performance alloy wheels clear of dark, corrosive factory dust. Features multi-layer rubberized shims for virtually noise-free operation.

  • Vented Front Performance Rotors: Precision cross-drilled holes accelerate front brake cooling to minimize hot spots or fade under high thermal loads, while sweeping slots maintain a clean pad face. Fully zinc-plated to ensure long-lasting defense against moisture and winter road elements.

  • Front Axle Solution: A complete front brake maintenance solution containing upgraded Z23 pads, premium stainless steel installation hardware clips, corresponding cross-drilled and slotted zinc-plated vented rotors, and a replacement front electronic wear indicator sensor wire.

Kit Contents

  • Front Z23 Evolution Sport Carbon-Fiber Ceramic Brake Pads

  • (1) Front OEM-Grade Electronic Brake Pad Wear Sensor Wire

  • (2) Front 344mm Drilled & Slotted Zinc-Plated Vented Rotors

  • Front Premium Stainless Steel Hardware Pack / Abutment Clips

  • High-Temperature Ceramic Brake Lubricant

This Part Fits the Following Vehicles

Make Model Submodel Engine Year Chasis Special Fitment Notes
Mercedes Benz SLC300 Base L4 2.0L 2017 172.438 With AMG Package (344mm Front Rotors)
Mercedes Benz SLC300 Base L4 2.0L 2018 172.438 With AMG Package (344mm Front Rotors)
Mercedes Benz SLC300 Base L4 2.0L 274.920 2019 172.438 With AMG Package (344mm Front Rotors)
Mercedes Benz SLC300 Base L4 2.0L 274.920 2020 172.438 With AMG Package (344mm Front Rotors)
Mercedes Benz SLK250 Base I4 1.8L 271.861 2012 172.447 Models with Sport Package
Mercedes Benz SLK250 Base I4 1.8L 271.861 2013 172.447 Models with Sport Package
Mercedes Benz SLK250 Base I4 1.8L 271.861 2014 172.447 Models with Sport Package
Mercedes Benz SLK250 Base L4 1.8L 2015 172.447 Models with Sport Package
Mercedes Benz SLK300 Base L4 2.0L 2016 172.438 With 344mm Front Discs
Mercedes Benz SLK350 Base V6 3.5L 2015 172.457 With 344mm Front Discs
Mercedes Benz SLK350 Base V6 3.5L 2016 172.457 With 344mm Front Discs
Mercedes Benz SLK350 Base V6 3.5L 276.956 2012 172.457 With 344mm Front Discs
Mercedes Benz SLK350 Base V6 3.5L 276.956 2013 172.457 With 344mm Front Discs
Mercedes Benz SLK350 Base V6 3.5L 276.956 2014 172.457 With 344mm Front Discs
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

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ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.

In the event that we find an error on our website or on behalf of an ECS Tuning Representative, we will provide a return shipping label from the original delivery location.

Refused Packages

Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.

Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.

Return Process

Return Process

ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!

Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.

Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.


All in store credit balances will expire after one year from the original purchase date.

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Shipping Policy

Free Shipping On Orders $49 & Up

Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.

Free Shipping

Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.


The policies listed above are subject to change at any time without notice.

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Lifetime Replacement

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Why You Should Shop From ECS Tuning

ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.


Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.

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Cancellation Policy

At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.

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