ABS Modulator Failure Due to Dirty Brake Fluid on Mercedes-Benz S430

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: 132,672 (121,345–144,000)
7 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006
9 people reported this problem
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I have the Elec Stabil as well Brake Bass Assist lights on. I also feel my power steering is not working properly. All these problems started soon after I fixed my Airmatic shocks. I am not sure what the connection is. The car had been driving very well for 6 yrs.