HI, I WAS DRIVING NORMALY ON A ROAD, NO WARNING, JUST BRAKE LIGHT POPS UP TO REDUCE POWER. PEDAL WAS EMPTY AND STEERING GOT HARD NO UPSHIFT. I HIT A CURB AND CRACKED MY BUMPER. ALL BRAKES ARE NEW. WHEN I LOOKED ON LINE, I SAW SOME PEOPLE DEVELOPED A DEVICE THAT RESETS THE ABS MUDUAL TO 100%. THEY SAID MERCEDES PUT A TIMER IN THE SYSTEM THAT RUNS OUT AND MAKE YOU CHANGE STUFF? THIS DEVICE I JUST BOUGHT TO USE SO I CAN USE MY CAR. I'M AN AUTOMOTIVE TECHNICIAN AND THIS SCRAED THE HELL OUT OF ME ON A DARK NIGHT IN OHIO. I ENED UP TOWING MY CAR TO MY HOUSE 60 MILES AWAY. VERY ANGERY WITH MB.