EBV provides the control brake force distribution. On the refusal of the driver prevents simultaneous activation during movement control lamps braking and ABS (see. Section A combination of devices, gauges and warning lights and indicator lights), moreover, for 5 seconds activates the alarm buzzer. When defective EBV system will activate the alarm buzzer is accompanied by squeezing every foot brakes at speeds over 40 km / h - the car should immediately drive away in the workshop of Mercedes-Benz for the diagnosis and perform the necessary regenerative repair.