Bilstein B3 Rear Coil Spring (36-202126) - MB M-Klasse W163 HR you're backing an uncontested champion:

you're backing an uncontested champion: a successful motor sports fitter and a leading original equipment manufacturer of automotive springs

and enthusiasts seeking enhanced control and stability over rough terrain

the B12 kit delivers a balanced suspension solution straight out of the box

OE Upgrade: Direct-fit replacement designed to outperform standard factory shocks without altering ride height

Built with Bilstein’s monotube gas pressure technology

Bilstein B3 Rear Coil Spring (36-202126) - MB M-Klasse W163 HR you're backing an uncontested champion:If you're looking for quality, look no further. By choosing BILSTEIN springs, you're backing an uncontested champion: a successful motor sports fitter and a leading original equipment manufacturer of automotive springs. The benefits of BILSTEIN B3 shock absorbers are: Innovative technical designs, such as Pigtail ends, Minibloc forms and central force design High quality chrome vanadium or chrome silicone steel for an extremely high level of break