ABS Modulator Failure Due to Dirty Brake Fluid on Mercedes-Benz GL450

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.

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Average mileage: (–)
4 model years affected: 2007, 2008, 2009, 2010
4 people reported this problem
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