Bilstein 23-255807 Suspension Strut Assembly - Front Left

Bilstein B4 DampTronic Front Left Strut

The Bilstein B4 OE Replacement (DampTronic) front left suspension strut assembly is built for drivers restoring factory ride quality on electronically adjustable suspension systems. This Bilstein shock absorber is engineered as a direct OE replacement for select Mercedes-Benz applications, including E550, E350, and C300 models with electronic damping control.

Part number 23-255807 is part of the Bilstein B4 OE Replacement (DampTronic) line, which focuses on preserving original handling balance and ride comfort while meeting OE standards. If you are searching for a Mercedes-Benz E550 front left strut assembly or a Bilstein 23-255807 replacement for an electronically controlled suspension setup, this unit is designed for that exact role.

• Bilstein B4 OE Replacement (DampTronic) suspension strut assembly
• Front left position for electronically adjustable suspension systems
• Twintube internal design with black paint finish
• Direct OE-style replacement for factory ride and handling restoration
• Built for select Mercedes-Benz models with electronic suspension control

Fitment Details

• Fits 2010-2017 Mercedes-Benz E550, front left, B4 OE Replacement (DampTronic)
• Fits 2010-2014 Mercedes-Benz E350, front left, with Appearance Package; B4 OE Replacement (DampTronic)
• Fits 2008-2011 Mercedes-Benz C300, front left, with Electronic Suspension; B4 OE Replacement (DampTronic)

What This Strut Helps Address

• Excessive bounce or reduced damping control at the front left corner
• Loss of original ride comfort on electronically adjustable suspension
• Uneven handling response compared with factory suspension behavior
• Wear-related noise or instability from a failing OE strut assembly
• Restoration needs for Mercedes-Benz E550, E350, or C300 suspension systems

Installation Notes and Tips

Verify the vehicle’s suspension option before ordering, since this part is specific to front left applications with DampTronic or electronic suspension equipment. Confirm the OE reference and part number 23-255807 against the original strut before installation. This part cross-references Mercedes-Benz OE numbers 204 323 09 00 and 207 323 13 00 for the same application.

Quality Assurance

Bilstein B4 OE Replacement (DampTronic) dampers are engineered to meet or exceed OE standards for electronically adjustable suspension systems. The B4 OE Replacement line is intended to restore original performance characteristics while maintaining the fit and function expected from Bilstein suspension components.