Summary
- Mercedes has developed a new in-drive braking system that is maintenance-free, traps brake dust, better for the environment, and eliminates brake fade
- The system is currently in testing with no confirmed production timeline
- The in-drive brakes are placed inside the housing of an electric vehicle’s drive unit
- The system features water-cooled stationary disks and rotating circular brake pads
- The system offers advantages such as reduced unsprung weight, improved handling, lower drag coefficient, reduced braking noise, and unique wheel design opportunities
Article
Mercedes Develops Innovative In-Drive Braking System
Mercedes has recently introduced a groundbreaking in-drive braking system that offers numerous benefits over traditional braking systems. The system, currently in the testing phase, is said to be virtually maintenance-free, traps brake dust, and promises to eliminate brake fade. One of the key advantages is that the brakes are housed within the drive unit of an electric vehicle, eliminating the need for servicing for the lifetime of the car.
Advantages of Electric Vehicles Brakes
Electric vehicles have the unique ability to use their motors to slow down, saving their friction brakes from wear and putting electricity back into the battery pack. Companies like Continental and Volkswagen have proposed different types of brakes for EVs, with Volkswagen opting for drum brakes even in their high-powered electric vehicles. This shift towards drum brakes has proven to be cost-effective and efficient for electric propulsion.
Mercedes In-Drive Brakes System
Mercedes has taken innovation to the next level with its in-drive brakes system, reimagining traditional braking mechanisms. The system features a water-cooled stationary disk and a circular brake pad that spins with the motor, eliminating the need for a traditional caliper. Mercedes claims that this system will not require any maintenance throughout the lifetime of the vehicle and keeps brake dust contained within a compartment, reducing environmental impact.
Environmental Considerations
With the upcoming Euro 7 emissions standard in Europe set to include tire and brake particulate emissions, the reduction of brake dust becomes a critical issue. Mercedes’ in-drive braking system addresses this concern by keeping brake dust confined within the system. Additionally, the system’s water-cooled disk prevents brake fade under heavy usage and reduces unsprung weight, improving vehicle handling.
Aerodynamic and Design Advantages
Apart from being virtually maintenance-free, Mercedes’ in-drive braking system offers various design and aerodynamic advantages. The system allows for completely covered, aerodynamic wheels that can lower drag coefficient and reduce braking noise. By removing the caliper from the wheel, designers have more freedom to create unique-looking wheels, although convincing car enthusiasts of this advantage may be challenging.
Future Implications and Conclusion
As Mercedes continues to test and develop its in-drive braking system, the automotive industry may see a shift towards more innovative braking solutions that prioritize efficiency and environmental sustainability. The potential benefits of these systems, like reduced maintenance, improved handling, and lower emissions, could have a significant impact on the future of electric vehicles and automotive design. With the implementation of the Euro 7 emissions standard in 2026, the importance of reducing brake dust emissions will become a key consideration for automakers looking to comply with stricter environmental regulations. Mercedes’ in-drive braking system represents a major leap forward in braking technology and sets a new standard for sustainable and efficient braking systems in the automotive industry.
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