H&R 60mm ID Single Race Spring Length 250mm Spring Rate 110 N/mm or 629 lbs/inch - RF250110 fits_2015-2021`Mercedes-Benz`C-Class DCMD - Direct Current Motor

DCMD - Direct Current Motor Driver

Up to 22HP Increase and 26ft-lb

The stock differential bushing is known to tearing under hard driving and track use

preserving the luxury and comfort of Mercedes’ flagship supercar

H&R 60mm ID Single Race Spring Length 250mm Spring Rate 110 N/mm or 629 lbs/inch - RF250110 fits_2015-2021`Mercedes-Benz`C-Class DCMD - Direct Current MotorH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and