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Mercedes-Benz S500 4MATIC Problems

ABS Modulator Failure Due to Dirty Brake Fluid on Mercedes-Benz S500 4MATIC

Problem Description and Possible Solution

It is not uncommon to encounter premature failure of the anti-lock brake system (ABS) modulator assembly due to dirty brake fluid. Our technicians recommend flushing the brake fluid every two years in order to help prevent this problem.

(5 people reported this problem)

Mercedes-Benz S500 4MATIC Vehicles With This Problem

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Average mileage: (–)
4 model years affected: 2003, 2004, 2005, 2006
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Brake problem? Or maybe a faulty head gasket cylinder?
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