Quote:
Originally Posted by CanAutM3
My understanding is that MDM is simply a more permissive mode of the DSC system that allows for more potential slip before interveening, but it still uses individual wheel brake application in conjunction with limiting the engine power output to control the attitude of the car. The TC system only uses engine torque output management without brake application to manage slip, so the driver still needs to manage the steering wheel. In essence, the 10-step TC system is a bit like an auto throttle.
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This.
The M Traction Control only manages traction (rear wheel slip), not stability like DSC or MDM (understeer/oversteer), it works like early Lotus traction controls or motorcycle traction controls by reducing power through ignition timing or throttle closure, not with the brakes.
DSC and MDM beyond a certain degree of yaw (lower with DSC, higher with MDM) brake the front wheels to prevent you from spinning, with MTC this does not happen, it only reduces the rear wheel power based on the level selected from 1 to 10.