Bilstein B3 Front Coil Spring (37-129408) - MB A-Klasse W168 B8 Bilstein B4 is not just

Bilstein B4 is not just a replacement—it's an upgrade in durability and technology

Seated after forming process to prevent heat losses

or spirited weekend runs

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

even under demanding conditions

Bilstein B3 Front Coil Spring (37-129408) - MB A-Klasse W168 B8 Bilstein B4 is not justIf 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