These H&R springs will drop your Mercedes Benz approximately 1.3 inches (on most vehicles) for a lower center gravity, better transient response, more stable, predictable cornering at the limit, and increased aerodynamics. Each spring is tuned for a combination of handling and control, but still gives a comfortable ride. These sport springs are 25 to 30% stiffer than stock springs. Please note that ML's have front torsion bars and therefore the spring kit is only a 2 spring kit.