Since the advent of wheeled vehicles, braking systems have traditionally been installed at each wheel to provide individual stopping power. Now, Mercedes-Benz aims to disrupt that age-old design with an innovative approach tailored to the electric vehicle (EV) era.
At its R&D centre in Sindelfingen, Mercedes engineers propose relocating traditional brake components to the centre of the car, housed within the electric drive unit alongside the motor, transmission, and differential. This radical idea could reduce environmental impact, improve ride quality, and redefine aerodynamics.
The Case for Centralised Braking
Modern EVs rely heavily on regenerative braking, minimising the use of traditional brakes except during emergencies. By placing the brake discs centrally within the drive unit, Mercedes seeks to achieve several advantages:
- Environmental Benefits: The aluminium housings would trap brake dust, a significant pollutant, preventing it from dispersing into the environment.
- Improved Ride Dynamics: Centralising the braking system reduces unsprung mass at the wheels, potentially enhancing ride comfort and handling.
- Aerodynamic Gains: Removing traditional wheel-mounted brakes allows for fully enclosed, streamlined wheels similar to those on Salt Flats racers, reducing drag and improving efficiency.
