ABS Modulator Failure Due to Dirty Brake Fluid on Mercedes-Benz 300SE

Problem Description and Possible Solution

As brake fluid becomes dirty over time, it can cause a failure of the anti-lock brake system (ABS) modulator assembly. Our technicians recommend a complete brake system flush every two years to help prevent this issue.

Problem Data
RepairPal Verified
Average mileage: 183,000 (183,000–183,000)
4 model years affected: 1990, 1991, 1992, 1993
5 people reported this problem
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sometimes the ABS licht flashes on