BILSTEIN 44-400163 Front Left Air Suspension Strut B4 (R3) for MERCEDES-BENZ S-Class (W223)

Description BILSTEIN 44-400163 Front Left Air Suspension Strut B4 (R3) for MERCEDES-BENZ S-Class (W223)

The BILSTEIN B4 air suspension module is a 100% OE-quality replacement solution designed for premium vehicles equipped with factory air suspension systems. Suitable for saloon cars, SUVs, and sports cars, this module is available for both active and passive air suspension configurations. It integrates proven original equipment technologies, including patented BILSTEIN DampTronic Sky or DampMatic systems depending on the application, ensuring seamless compatibility with vehicle control systems.

Developed in collaboration with leading premium vehicle manufacturers, the B4 air suspension module combines the air spring and shock absorber into a single, fully new component. It automatically compensates for varying loads, maintains a constant ride height, and delivers stable, comfortable handling in motorway driving, urban traffic, and fully loaded conditions. In active systems, the module reacts instantly to road surface changes, preserving control and ride comfort across all driving scenarios.

• OE replacement solution for premium vehicles with factory air suspension
• Combines air spring and shock absorber in a single integrated module
• Automatically compensates for load changes and maintains constant ride height
• Patented BILSTEIN DampTronic or DampMatic technology depending on model
• Suitable for active and passive air suspension systems
• Manufactured as 100% new parts to original equipment standards