Air in the brake system can make your brake pedal feel spongy and vague. You should flush the fluid every two or three years, ...

This causes the moisture to boil, producing gas bubbles. Gas bubbles in brake fluid can compress, causing brake fade (the pedal feeling mushy) and greatly increasing stopping distances. Different ...

We also aren’t enamored with the GLC’s overly-firm ride quality, or its mushy brake-pedal feel. Even with those missteps, though, it still earned a decent road-test score—there is a lot more ...