When upgrading the braking system of your Mercedes CLA45, choosing the right big brake kit is essential for improved stopping power, heat dissipation, and overall safety. The R1 Concepts Front and Rear Brake Kit for 2014-2019 CLA45 AMG stands out as the best overall option, offering a balanced mix of performance and durability. For those seeking a more budget-friendly upgrade, the DFC Front Brake Kit for 2020-2025 CLA35 AMG provides solid stopping power without breaking the bank. Meanwhile, the DTC Front Rear Brake Kit for 2014-2019 CLA45 AMG is ideal for drivers who prioritize track-ready performance. Keep reading to see how these options compare and which one is right for your needs.
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Key Takeaways
- The top picks offer a wide range of compatibility, with some kits suited for older models and others for newer versions of the CLA45.
- Performance differences between kits are often linked to rotor size, caliper design, and material quality, influencing braking strength and heat management.
- Price varies significantly, with premium kits providing more advanced materials and cooling features, but at a higher cost.
- Ease of installation and maintenance can be a deciding factor, especially for DIY enthusiasts or those seeking a straightforward upgrade.
- Tradeoffs often involve balancing cost, installation complexity, and ultimate braking performance—more expensive kits tend to deliver better longevity and heat dissipation.
| R1 Concepts Front and Rear Brake Kit for 2014-2019 Mercedes-Benz CLA45 AMG and GLA45 AMG |  | Best Overall for Performance and Durability | Application: 2014-2019 Mercedes-Benz CLA45 AMG, 2015-2018 GLA45 AMG | Rotor Diameter: 13.8″ front, 13.0″ rear | Rotor Type: Cross-drilled and diamond slotted | VIEW ON AMAZON | See Our Full Breakdown |
| R1 Concepts Front and Rear Brake Kit for 2014-2015 Mercedes-Benz CLA45 AMG |  | Best Value for 2014-2015 Models | Fitment: 2014-2015 Mercedes-Benz CLA45 AMG | Front Rotor Diameter: 13.8 inches | Rear Rotor Diameter: 13.0 inches | VIEW ON AMAZON | See Our Full Breakdown |
| R1 Concepts Front and Rear Brake Kit for 2014-2015 Mercedes-Benz CLA45 AMG |  | Best for Maximum Braking and Durability | Fitment: 2014-2015 Mercedes-Benz CLA45 AMG | Front Rotor Diameter: 13.8 inches | Rear Rotor Diameter: 13.0 inches | VIEW ON AMAZON | See Our Full Breakdown |
| R1 Concepts Front Brake Kit for 2020-2025 Mercedes-Benz CLA35 AMG |  | Best for Modern Models and Heat Dissipation | Fitment: 2020-2025 Mercedes-Benz CLA35 AMG, 2020-2023 CLA45 AMG, 2021-2025 GLA35 AMG | Rotor Diameter: 13.8 inches | Rotor Material: G3000 iron and Carbon grade | VIEW ON AMAZON | See Our Full Breakdown |
| DFC Front Rear Brake Kit for 2014-2019 Mercedes-Benz CLA45 AMG |  | Best for Daily Driving and Light Duty | Fitment: 2014-2019 Mercedes-Benz CLA45 AMG | Rotor Diameter (Front): 13.8 inches | Rotor Diameter (Rear): 13.0 inches | VIEW ON AMAZON | See Our Full Breakdown |
| DFC Front Brake Kit for 2020-2025 Mercedes-Benz CLA35 AMG |  | Best for High-Performance Upgrades with Direct Fitment | Fitment: 2020-2025 Mercedes-Benz CLA35 AMG, CLA45 AMG, GLA35 AMG, GLA45 AMG, GLB35 AMG | Rotor Diameter: 13.8 inches | Rotor Material: G3000/G11H18 iron casting | VIEW ON AMAZON | See Our Full Breakdown |
| big brake kit for mercedes cla45 | Warranty | Pad Type | Fitment | Rotor Type |
|---|---|---|---|---|
| R1 Concepts Front and Rear Bra | 1 year manufacturer | Euro Ceramic | — | Cross-drilled and diamond slotted |
| R1 Concepts Front and Rear Bra | 1 year | Optimum OEp | 2014-2015 Mercedes-Benz CLA45 AMG | Drilled and Slotted |
| R1 Concepts Front and Rear Bra | 1 year | Optimum Oep | 2014-2015 Mercedes-Benz CLA45 AMG | Cross-Drilled and Diamond Slotted |
| R1 Concepts Front Brake Kit fo | 1 year | Optimum OEp | 2020-2025 Mercedes-Benz CLA35 AMG, 2020-2023 CLA45 AMG, 2021-2025 GLA35 AMG | Drilled |
| DFC Front Rear Brake Kit for 2 | 1 year | 5000 Euro Ceramic | 2014-2019 Mercedes-Benz CLA45 AMG | — |
| DFC Front Brake Kit for 2020-2 | 1 year | — | 2020-2025 Mercedes-Benz CLA35 AMG, CLA45 AMG, GLA35 AMG, GLA45 AMG, GLB35 AMG | — |
More Details on Our Top Picks
R1 Concepts Front and Rear Brake Kit for 2014-2019 Mercedes-Benz CLA45 AMG and GLA45 AMG
This comprehensive brake kit stands out for its combination of high-performance drilled and slotted carbon rotors paired with Euro ceramic brake pads, offering superior stopping power, reduced dust, and quieter operation compared to standard OEM replacements. Its durable construction ensures longevity, and the direct fitment makes installation straightforward for enthusiasts who demand both quality and ease. While it adds some weight, which could impact handling slightly, this kit excels in delivering consistent, fade-resistant braking under demanding conditions. Compared to the smaller-range kits, this one is ideal for drivers seeking a true upgrade for spirited driving or track days, but it’s less suited for those on a tight budget or with lighter daily-driving needs.
Pros:- Enhanced braking performance with drilled and slotted rotors
- Durable high-quality materials for long lifespan
- Reduces dust and noise for cleaner wheels and quieter ride
- Easy direct fitment with no modifications needed
Cons:- Heavy weight may slightly impact vehicle handling
- Limited to specific Mercedes-Benz models and years
- Price not specified, can be higher than basic options
Best for: Performance-oriented owners who want a reliable upgrade for daily driving and occasional spirited runs
Not ideal for: Casual drivers seeking a budget-friendly, lightweight or OEM-style replacement
- Application:2014-2019 Mercedes-Benz CLA45 AMG, 2015-2018 GLA45 AMG
- Rotor Diameter:13.8″ front, 13.0″ rear
- Rotor Type:Cross-drilled and diamond slotted
- Material:G3000 iron and Carbon grade
- Pad Type:Euro Ceramic
- Includes:4 rotors, 8 brake pads, hardware, sensor
- Weight:100.9 pounds
- Warranty:1 year manufacturer
Our verdict“This kit is best suited for drivers who prioritize performance and longevity over weight and cost.”
R1 Concepts Front and Rear Brake Kit for 2014-2015 Mercedes-Benz CLA45 AMG
This kit offers a solid balance between performance and affordability, featuring drilled and slotted rotors with Optimum OEp brake pads designed for smooth, quiet stops and reduced dust—making it a practical upgrade over stock for 2014-2015 CLA45 AMG owners. Unlike the more comprehensive kits, this one is tailored specifically to earlier models, providing a perfect fit without modifications, which simplifies installation. However, it may require professional help for proper setup and isn’t ideal if you have a broader model range or need a more aggressive upgrade. Compared with the larger, more performance-focused alternatives, this kit emphasizes affordability and ease of use without sacrificing core braking improvements.
Pros:- Improves braking with drilled and slotted rotors
- Reduces dust and noise for cleaner wheels
- Direct fitment with no modifications required
- Affordable price point
Cons:- Installation may need professional assistance
- Limited to specific model years
- Less aggressive than high-end kits
Best for: Owners of 2014-2015 CLA45 AMG seeking a reliable upgrade without a high price tag
Not ideal for: Those with later models or seeking maximum performance for track use
- Fitment:2014-2015 Mercedes-Benz CLA45 AMG
- Front Rotor Diameter:13.8 inches
- Rear Rotor Diameter:13.0 inches
- Rotor Type:Drilled and Slotted
- Pad Type:Optimum OEp
- Material:G3000 iron and Carbon grade
- Warranty:1 year
Our verdict“Ideal for budget-conscious owners wanting a straightforward upgrade for 2014-2015 CLA45 AMG models.”
R1 Concepts Front and Rear Brake Kit for 2014-2015 Mercedes-Benz CLA45 AMG
This set emphasizes maximum braking capacity with high-performance drilled and slotted rotors combined with Optimum Oep brake pads, crafted for the 2014-2015 CLA45 AMG. It offers a step up in heat dissipation and fade resistance compared to standard kits, making it suitable for drivers pushing their vehicles harder. The direct fitment and no modifications requirement make it accessible, but its specific design limits compatibility and the higher price reflects its performance focus. When compared to the more versatile kits, this one is better suited for those who need maximum stopping power, though it may be overkill for casual daily drivers.
Pros:- Excellent heat dissipation for high-performance use
- Maximum braking capability with high-quality drilled/slotted rotors
- Reduces dust and noise effectively
- Easy installation with no modifications
Cons:- Higher cost than standard kits
- Limited applicability to specific year models
- Potentially excessive for daily city driving
Best for: Aggressive drivers or enthusiasts who demand maximum braking performance on 2014-2015 models
Not ideal for: Light-duty drivers or those on a tight budget who only need basic replacement
- Fitment:2014-2015 Mercedes-Benz CLA45 AMG
- Front Rotor Diameter:13.8 inches
- Rear Rotor Diameter:13.0 inches
- Rotor Type:Cross-Drilled and Diamond Slotted
- Pad Type:Optimum Oep
- Material:G3000 iron and Carbon grade
- Warranty:1 year
Our verdict“Best suited for drivers seeking peak braking performance in a dedicated upgrade package.”
R1 Concepts Front Brake Kit for 2020-2025 Mercedes-Benz CLA35 AMG
This kit introduces drilled carbon rotors paired with Optimum OEp brake pads, tailored for newer Mercedes-Benz models like the CLA35 AMG from 2020 onward. It offers improved heat management and braking efficiency, especially under demanding conditions, with a direct fitment that requires no modifications. Compared to earlier model kits, it provides better compatibility with modern vehicles and enhanced performance. However, it’s limited to specific recent models and might be overbuilt for those with less aggressive driving habits. For owners of newer Mercedes models, this kit delivers a noticeable upgrade, but it’s less suitable for older or non-AMG variants.
Pros:- Enhanced heat dissipation for sustained performance
- Improves braking with drilled carbon rotors
- Reduces dust and noise effectively
- No modifications required for installation
Cons:- Limited to newer Mercedes models
- Higher price point compared to basic kits
- Requires installation expertise for optimal results
Best for: Owners of 2020-2025 Mercedes-Benz AMG models seeking modern, high-performance brakes
Not ideal for: Owners of earlier CLA45 models or those looking for a budget-friendly upgrade
- Fitment:2020-2025 Mercedes-Benz CLA35 AMG, 2020-2023 CLA45 AMG, 2021-2025 GLA35 AMG
- Rotor Diameter:13.8 inches
- Rotor Material:G3000 iron and Carbon grade
- Rotor Type:Drilled
- Pad Type:Optimum OEp
- Warranty:1 year
Our verdict“This kit is a smart choice for owners of recent Mercedes-AMG models seeking advanced braking performance.”
DFC Front Rear Brake Kit for 2014-2019 Mercedes-Benz CLA45 AMG
This kit combines high-performance ceramic brake pads with mill-balanced rotors to deliver smooth, vibration-free stops suitable for daily driving. Its focus on reducing dust and noise makes it appealing for owners who want a quieter, cleaner ride without sacrificing much braking power. Compared to the more aggressive R1 Concepts kits, this one emphasizes comfort and reliability for routine use. However, its 1-year warranty and specific model fitment mean it’s less ideal for owners seeking extensive track performance or long-term durability under extreme conditions. It’s a straightforward, dependable upgrade for everyday use.
Pros:- High-performance ceramic pads resist fade
- Mill-balanced rotors ensure smooth braking
- Reduces dust and noise for cleaner wheels
- No modification required for installation
Cons:- Limited warranty and model compatibility
- Less suitable for aggressive or track driving
Best for: Daily drivers or light-duty users who prioritize comfort and low maintenance
Not ideal for: Performance enthusiasts or owners looking for maximum braking capacity
- Fitment:2014-2019 Mercedes-Benz CLA45 AMG
- Rotor Diameter (Front):13.8 inches
- Rotor Diameter (Rear):13.0 inches
- Material:G3000/G11H18 iron casting
- Pad Type:5000 Euro Ceramic
- Warranty:1 year
- Includes:High-performance ceramic pads, rotors
Our verdict“This kit is ideal for owners seeking a reliable, quiet upgrade for everyday driving with light performance needs.”
DFC Front Brake Kit for 2020-2025 Mercedes-Benz CLA35 AMG
This DFC front brake kit stands out for its high-performance rotors and pads designed specifically for the 2020-2025 Mercedes-Benz CLA35 AMG, including the CLA45 AMG and GLA45 AMG. Compared to the R1 Concepts kits, which serve a broader range of models, the DFC kit offers a more tailored fit and potentially better durability for these specific vehicles. Its 350mm rotors and advanced materials translate into smoother, more reliable braking, especially during spirited driving or track use. The direct fitment means no modifications are needed, saving installation time and reducing the risk of errors. However, this precision targeting means the kit’s compatibility is limited to select AMG models, and it might come at a higher cost due to the high-performance components. This pick makes the most sense for owners who want a straightforward upgrade that delivers consistent, race-inspired stopping power without fussing with aftermarket adjustments.
Pros:- High-performance 350mm rotors for improved stopping power
- Smooth, vibration-free braking with durable materials
- Direct fitment requiring no modifications
- Includes complete set of rotors and pads for a full upgrade
Cons:- Limited compatibility to specific AMG models, reducing versatility
- Potentially higher price point compared to universal kits
- Lack of detailed customer ratings or reviews available
Best for: Owners of the 2020-2025 Mercedes-Benz CLA35 AMG or similar models seeking a high-performance, plug-and-play brake upgrade.
Not ideal for: Drivers with earlier CLA models or other Mercedes variants not listed, as the kit’s fitment is highly specific and may not be compatible.
- Fitment:2020-2025 Mercedes-Benz CLA35 AMG, CLA45 AMG, GLA35 AMG, GLA45 AMG, GLB35 AMG
- Rotor Diameter:13.8 inches
- Rotor Material:G3000/G11H18 iron casting
- Includes:2 brake rotors, 4 brake pads
- Warranty:1 year
Our verdict“This kit is ideal for enthusiasts seeking a precise, high-quality upgrade for their CLA35 AMG, willing to invest in performance and direct fitment.”
How We Picked
These products were selected based on their compatibility with Mercedes CLA45 models, overall build quality, and the reputation of the manufacturers within the performance braking community. I prioritized kits that offer a noticeable upgrade over stock components in terms of stopping power, heat resistance, and pedal feel. Cost was also a factor, aiming to provide options for different budgets while maintaining quality. The ranking reflects a combination of performance features, user reviews, and ease of installation, helping buyers find solutions that suit their driving needs and skill levels.| big brake kit for mercedes cla45 | Rotor Type | Material |
|---|---|---|
| R1 Concepts Front and Rear Bra | Cross-drilled and diamond slotted | G3000 iron and Carbon grade |
| R1 Concepts Front and Rear Bra | Drilled and Slotted | G3000 iron and Carbon grade |
| R1 Concepts Front and Rear Bra | Cross-Drilled and Diamond Slotted | G3000 iron and Carbon grade |
| R1 Concepts Front Brake Kit fo | Drilled | — |
| DFC Front Rear Brake Kit for 2 | — | G3000/G11H18 iron casting |
| DFC Front Brake Kit for 2020-2 | — | — |
Factors to Consider When Choosing Big Brake Kit For Mercedes Cla45
Choosing the right big brake kit for your Mercedes CLA45 involves understanding several key factors. A well-chosen kit can drastically improve your vehicle’s braking performance, but it’s important to consider compatibility, material quality, and intended use. The following sections outline the most important aspects to weigh before making a purchase, helping you avoid common pitfalls and select a kit that truly meets your driving demands.Compatibility and Fitment
Ensuring the brake kit fits your specific model year and trim is crucial. Some kits are designed for the earlier CLA45 models, while others are compatible with newer versions like the CLA35 AMG. Pay attention to rotor diameter, caliper mounting points, and wheel clearance to prevent fitment issues. A mismatch can lead to installation headaches or compromised performance, so double-check the manufacturer’s specifications before buying.
Performance vs. Cost
More expensive kits typically feature larger rotors, multi-piston calipers, and higher-quality materials that enhance heat dissipation and durability. However, they come with a higher price tag. Budget options might improve stopping power over stock but may not withstand aggressive driving or track use over time. Balance your driving style and expectations with your budget to find a solution that offers good value without sacrificing essential performance features.
Material Quality and Cooling
Look for kits made from high-grade cast iron, aluminum, or composite materials that resist warping and corrosion. Effective cooling features, such as ventilated rotors or additional cooling fins, help maintain consistent braking performance during extended use. Cheaper materials may wear out faster or require more frequent maintenance, impacting long-term reliability. Prioritize brands that emphasize heat management if you plan on spirited driving or track days.
Ease of Installation and Maintenance
Some brake kits are designed for straightforward installation, making them suitable for DIY enthusiasts. Others may require professional installation due to complex mounting hardware or additional modifications. Consider whether the kit includes necessary hardware, compatible pads, and clear instructions. Regular maintenance, including pad replacement and rotor checks, is easier with accessible components—factor this into your decision if you prefer hassle-free upkeep.
Intended Use and Driving Style
Your driving style significantly influences the ideal brake kit choice. Daily commuters may prioritize durability and cost-effectiveness, while track drivers need high-performance kits with superior heat resistance. Off-road or spirited driving demands enhanced cooling and robust materials. Clarifying your primary use will help you avoid overpaying for features you don’t need or selecting a kit that underperforms in your typical driving conditions.
Frequently Asked Questions
Will a big brake kit improve my Mercedes CLA45’s stopping distance?
Yes, a properly selected big brake kit can significantly reduce stopping distances by providing greater clamping force, larger rotors, and better heat management. These improvements allow for more consistent braking performance, especially during aggressive driving or prolonged use. However, the actual benefit depends on matching the kit to your vehicle and ensuring proper installation, so choose a kit suited to your driving style for the best results.
Can I install a big brake kit myself, or should I hire a professional?
Installation complexity varies between kits. Some are designed for straightforward bolt-on replacement, making them accessible for experienced DIYers with basic tools. Others, especially larger or more advanced kits, might require specialist knowledge, new hardware, or modifications to fit properly. If you’re unsure about your mechanical skills, consulting a professional ensures safety and optimal performance, particularly if the kit involves significant disassembly or custom fitting.
Are high-performance brake kits suitable for everyday driving?
Many high-performance kits are designed with aggressive driving and track use in mind, offering superior heat dissipation and stopping power. For daily driving, a mid-range kit often provides enough upgrade without the added complexity or cost. Over-specifying a brake kit can lead to increased noise, wear, and cost without meaningful benefit for regular commuting. Consider your typical driving habits when selecting a kit to avoid unnecessary expense.
What maintenance is required for big brake kits?
Big brake kits generally require regular inspections of the rotors, pads, and calipers. Checking for uneven wear, corrosion, or damage ensures consistent performance. Brake fluid should be replaced periodically, especially if the vehicle is used in demanding conditions, to prevent moisture buildup that can reduce braking effectiveness. Proper maintenance extends the lifespan of your upgrade and maintains safety, so follow the manufacturer’s recommendations for service intervals.
Is it worth upgrading to a big brake kit if I only occasionally track my car?
Upgrading to a big brake kit can benefit occasional track days by improving heat dissipation and reducing brake fade. However, if your primary use is street driving, investing in a mid-range or balanced kit might offer a better value, as high-end kits are often optimized for continuous, high-stress conditions. Evaluate how often you drive aggressively or on the track to decide if the added investment aligns with your needs for performance and longevity.
Conclusion
For everyday drivers, the R1 Concepts Front and Rear Brake Kit for 2014-2019 CLA45 AMG offers a reliable upgrade that balances performance and cost. Enthusiasts seeking the best overall choice should consider premium options like higher-end R1 Concepts kits with enhanced cooling features. Beginners or those installing themselves will benefit from kits that include comprehensive hardware and clear instructions. For track-focused drivers, the DTC Front Rear Brake Kit for 2014-2019 CLA45 AMG provides the heat resistance needed for sustained high-performance braking. Ultimately, selecting the right kit depends on your driving style, budget, and whether you prioritize longevity or maximum stopping power.
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