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ABS Modulator Failure Due to Dirty Brake Fluid on Mercedes-Benz C43 AMG

Problem Description and Possible Solution

The anti-lock brake system (ABS) modulator assembly may fail due to dirty brake fluid. Our technicians recommend a complete brake system flush every two years in order to help prevent this problem.

Problem Data
RepairPal Verified
Average mileage: 201,000 (201,000–201,000)
3 model years affected: 1998, 1999, 2000
4 people reported this problem
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ABS LIGHT COMES ON RANDOMLY. SHUTTING THE CAR OFF THEN IMMEADIATELY RESTARTING AGAIN TURNS OFF THE LIGHT FOR AN EXTENDED PERIOD OF TIME. ALSO, WHEN THE ABS LIGHT IS ON THE SPEED CONTROL WILL NOT FUNCTION.