Bilstein 36-226030 Coil Spring - Rear

Bilstein B3 OE Replacement Rear Coil Spring

The Bilstein B3 OE Replacement coil spring restores factory ride height, spring rate, and suspension geometry for select Mercedes-Benz models. Built to OE dimensions and design type, this rear spring is a direct replacement for worn or sagging original equipment.

For Mercedes-Benz C230, C240, C320, E300, E420, and E430 applications, the Bilstein B3 OE Replacement line focuses on factory-style fit and suspension function. Part number 36-226030 is finished in black powder coat for corrosion resistance and a clean OE-style appearance.

Key Features

• OE replacement coil spring for rear suspension service
• Manufactured to match original dimensions and spring rates
• Built to OE design type for factory-style suspension behavior
• Black powder coat finish
• Bilstein B3 OE Replacement series
• Part number 36-226030

Detailed Description

Bilstein B3 OE Replacement coil springs are engineered to restore the original suspension characteristics of the vehicle rather than alter ride height or handling balance. This rear coil spring is made to OE specifications so it matches the factory spring dimensions, rate, and design used on the listed Mercedes-Benz chassis. If you are replacing a fatigued spring on a Mercedes-Benz C230 rear suspension or servicing a Mercedes-Benz E430 rear spring application, 36-226030 provides a direct OE-style solution.

This part cross-references Lesjofors 4256851 for the same application.

Vehicle Fitment

• Fits 2002-2005 Mercedes-Benz C230, rear; Heavy Duty Version for Standard Suspension Only; B3 OE Replacement
• Fits 2003-2005 Mercedes-Benz C240, rear; Standard Suspension Only; B3 OE Replacement
• Fits 2002-2004 Mercedes-Benz C320, rear; Standard Suspension Only; B3 OE Replacement
• Fits 1998-2002 Mercedes-Benz E430, rear; Avantgarde; B3 OE Replacement
• Fits 1996-1999 Mercedes-Benz E300, rear; Avantgarde; B3 OE Replacement
• Fits 1997 Mercedes-Benz E420, rear; Avantgarde; B3 OE Replacement

What It Helps Address

• Rear suspension sag from a weakened coil spring
• Uneven ride height on the Mercedes-Benz C230, C240, or C320
• Factory ride quality loss from spring fatigue
• Suspension noise or instability related to a damaged rear spring
• Restoration work requiring OE-style spring dimensions and rate

Installation Notes and Tips

Verify rear suspension configuration before ordering, especially on 2002-2005 Mercedes-Benz C230 models listed for the heavy duty version with standard suspension only. Confirm the vehicle’s trim and suspension package against the fitment notes, and replace springs in accordance with proper suspension service procedures.

Quality Assurance

Bilstein B3 OE Replacement springs are manufactured to OE dimensions, spring rates, and design types to restore factory suspension function and safety specifications. Part number 36-226030 is built as an OE-style replacement for the listed Mercedes-Benz rear suspension applications.