BILSTEIN 44-400231 Rear Left Air Suspension Strut B4 (R3) for MERCEDES-BENZ S-Class (W223)

Description BILSTEIN 44-400231 Rear Left Air Suspension Strut B4 OE Replacement (Air)

The BILSTEIN B4 air suspension module is designed as an OE replacement solution, providing 100% OE quality for premium vehicles equipped with factory air suspension. Suitable for saloon cars, SUVs, and sports cars, it is available for both active and passive systems. The module features patented technologies such as the BILSTEIN DampTronic Sky System, as used in original equipment applications.

This air suspension module integrates the shock absorber, spring, and level control into a single component, delivering comfort, safety, and driving stability comparable to new vehicles. As a completely new part, it maintains the original driving performance from the first day of use.

The BILSTEIN B4 air suspension module ensures safe and comfortable handling in various driving conditions, including long motorway journeys, city traffic, or when fully loaded. It automatically compensates for loads, maintains a constant vehicle level, and responds instantly to road surface irregularities in active systems.

• Combines air suspension and shock absorber in one component
• Developed and manufactured to OE standards
• 100% new parts, not reconditioned
• Patented BILSTEIN DampTronic or DampMatic technology, depending on the model

Specifications:

• Fitting Position: Rear Axle Left
• Shock Absorber Type: Gas Pressure
• Shock Absorber Mounting Type: Bottom eye
• Spring Design: Air Spring
• paired article number: 44-400248

Vehicles

• Mercedes-Benz S-Class (V223): 09.20 -
• Mercedes-Benz S-Class Maybach (Z223): 04.21 -
• Mercedes-Benz S-Class (W223): 09.20 -