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Your Vehicle 2013 Mercedes Benz C350 Base Coupe 204.357 V6 3.5L

Power Stop Z23 Evolution Sport Rear Brake Kit (340mm)

A high-performance rear axle upgrade featuring precision cross-drilled & slotted performance rotors, low-dust carbon-fiber ceramic pads, and a replacement electronic wear sensor.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Power Stop
Mfg Part #
K8194
ECS Part #
ES#4675390
Brand
Power Stop

449.99
This product is lifetime replacement eligible Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
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Product Details

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Upgrade the rear-axle braking dynamics of your flagship German luxury sedan, coupe, or convertible while completely eliminating aggressive, messy factory brake dust. The Power Stop Z23 Evolution Sport Brake Kit is engineered as a direct bolt-on performance upgrade for daily drivers, high-speed highway commuters, and street enthusiasts looking to maximize rear stopping power and thermal capacity on the Mercedes-Benz S-Class platform.

Focusing strictly on a rear axle only replacement (the cross-drilled and slotted performance counterpart to the smooth CRK8194 package and the original-style ESK8194 package), this setup swaps out standard factory components for premium 340.2mm cross-drilled and slotted vented performance rotors. These upgraded performance discs utilize a solid full-cast construction to replace complex factory two-piece units, engineered to optimize structural cooling and preserve a steady braking bite under continuous friction loads. They are paired with advanced Z23 carbon-fiber ceramic pads that provide an immediate, confident initial pedal response without the harsh noise or heavy black residue common to traditional factory European semi-metallic compounds.

Key Features:

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

  • Drilled & Slotted Vented Rotors: Precision cross-drilled holes maximize internal air circulation across the structural cooling vanes to shed intense heat fast, while rounded slots continuously sweep away boundary gases, friction dust, and water to guarantee a clean contact patch. Silver zinc-dichromate plated to actively prevent rust and corrosion on all un-swept surfaces.

  • Axle Matched: A focused performance rear-only solution containing upgraded Z23 rear pads, corresponding performance cross-drilled and slotted vented rotors, a replacement electronic wear wire, and premium stainless steel installation hardware.

  • Rotor Specs: Rear Axle Only: 340.2mm (13.39") | Vented Construction | Full-Cast Design | 5-Lug Bolt Pattern

Kit Contents

  • Rear Z23 Evolution Sport Carbon-Fiber Ceramic Brake Pads

  • (1) Rear Electronic Brake Pad Wear Sensor Wire

  • (2) Rear 340.2mm Drilled & Slotted Zinc-Plated Vented Rotors

  • Complete Premium Stainless Steel Rear 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 S450 4Matic V6 3.0L 2018 222.164 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S450 4Matic V6 3.0L 276.824 2019 222.164 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S450 4Matic V6 3.0L 276.824 2020 222.164 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S450 Base V6 3.0L 2018 222.166 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S450 Base V6 3.0L 276.824 2019 222.166 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S450 Base V6 3.0L 276.824 2020 222.166 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 4Matic V8 4.6L 2015 217.385 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 4Matic V8 4.6L 2016 217.385 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 4Matic V8 4.6L 2016 222.185 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 4Matic V8 4.6L 2017 217.385 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 4Matic V8 4.6L 2017 222.185 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 4Matic V8 4.6L 278.929 2014 222.185 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 4Matic V8 4.6L 278.929 2015 222.185 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 Base V8 4.6L 2016 222.182 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 Base V8 4.6L 2017 217.482 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 Base V8 4.6L 2017 222.182 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 Base V8 4.6L 278.929 2014 222.182 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 Base V8 4.6L 278.929 2015 222.182 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550 Hybrid V6 3.0L 2015 222.163 w/ factory equipped cross drilled rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550e Base V6 3.0L 2016 222.163 With factory drilled front and rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S550e Base V6 3.0L 2017 222.163 With factory drilled front and rear rotors - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 4Matic V8 4.0L 2018 217.386 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 4Matic V8 4.0L 2018 222.186 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 4Matic V8 4.0L 176.980 2019 217.386 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 4Matic V8 4.0L 176.980 2019 222.186 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 4Matic V8 4.0L 176.980 2020 217.386 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 4Matic V8 4.0L 176.980 2020 222.186 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 4Matic V8 4.0L 176.980 2021 217.386 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 Base V8 4.0L 2018 217.483 full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 Base V8 4.0L 2018 222.183 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 Base V8 4.0L 176.980 2019 217.483 full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 Base V8 4.0L 176.980 2019 222.183 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 Base V8 4.0L 176.980 2020 217.483 full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 Base V8 4.0L 176.980 2020 222.183 w/ Sport Package - full-cast design rotors (replaces OE 2-piece)
Mercedes Benz S560 Base V8 4.0L 176.980 2021 217.483 full-cast design rotors (replaces OE 2-piece)
*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

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

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New/Unused Product Returns

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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Click here to learn more.

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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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