Bilstein B4 36mm Monotube Front Shock Absorber — Fits 1981-1991 Mercedes-Benz W126

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SKU: BIL24-011839
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Sale price$115.00 Regular price$216.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Watch in action

Restore Your Mercedes-Benz Ride Quality

Maintain the legendary comfort and poise of your classic Mercedes-Benz with the Bilstein B4 OE Replacement Front Shock Absorber. Specifically engineered for the W126 chassis, these 36mm monotube shocks are designed to replicate the original factory ride characteristics while meeting modern quality standards. If your classic sedan or coupe feels loose or bouncy, these dampers are the perfect solution to restore factory-fresh handling.

Why Choose Bilstein B4?

  • OE Standard Performance: Engineered to match or exceed the original equipment specifications.
  • Monotube Design: Provides consistent damping force and longevity compared to standard twin-tube replacements.
  • Vehicle Specific Tuning: Tailored for the unique weight and suspension geometry of the 300SD, 380SE, 500SEL, and other W126 variants.
  • Longevity: High-quality seals and gas-pressure technology ensure a long service life.

The Bilstein B4 series is the gold standard for restoration projects. By replacing worn-out dampers, you not only improve safety and braking performance but also bring back the signature smooth ride that defined the Mercedes-Benz brand in the 80s and 90s. Installation is straightforward, allowing you to get back on the road with confidence and comfort. Trust your vehicle's suspension restoration to the proven quality of Bilstein and the automotive expertise of GGCRACING.

Vehicle Fitment

Years Make Model Trim
1981-1985 Mercedes-Benz 300SD Base
1986-1987 Mercedes-Benz 300SDL Base
1988-1991 Mercedes-Benz 300SE Base
1990-1991 Mercedes-Benz 300SEL Base
1991 Mercedes-Benz 350SD Base
1990-1991 Mercedes-Benz 350SDL Base
1984-1985 Mercedes-Benz 380SE Base
1981-1983 Mercedes-Benz 380SEL Base
1986-1991 Mercedes-Benz 420SEL Base
1984-1985 Mercedes-Benz 500SEC Base
1984-1985 Mercedes-Benz 500SEL Base
1986-1991 Mercedes-Benz 560SEC Base
1986-1991 Mercedes-Benz 560SEL Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Watch in action

Restore Your Mercedes-Benz Ride Quality

Maintain the legendary comfort and poise of your classic Mercedes-Benz with the Bilstein B4 OE Replacement Front Shock Absorber. Specifically engineered for the W126 chassis, these 36mm monotube shocks are designed to replicate the original factory ride characteristics while meeting modern quality standards. If your classic sedan or coupe feels loose or bouncy, these dampers are the perfect solution to restore factory-fresh handling.

Why Choose Bilstein B4?

  • OE Standard Performance: Engineered to match or exceed the original equipment specifications.
  • Monotube Design: Provides consistent damping force and longevity compared to standard twin-tube replacements.
  • Vehicle Specific Tuning: Tailored for the unique weight and suspension geometry of the 300SD, 380SE, 500SEL, and other W126 variants.
  • Longevity: High-quality seals and gas-pressure technology ensure a long service life.

The Bilstein B4 series is the gold standard for restoration projects. By replacing worn-out dampers, you not only improve safety and braking performance but also bring back the signature smooth ride that defined the Mercedes-Benz brand in the 80s and 90s. Installation is straightforward, allowing you to get back on the road with confidence and comfort. Trust your vehicle's suspension restoration to the proven quality of Bilstein and the automotive expertise of GGCRACING.

Vehicle Fitment

Years Make Model Trim
1981-1985 Mercedes-Benz 300SD Base
1986-1987 Mercedes-Benz 300SDL Base
1988-1991 Mercedes-Benz 300SE Base
1990-1991 Mercedes-Benz 300SEL Base
1991 Mercedes-Benz 350SD Base
1990-1991 Mercedes-Benz 350SDL Base
1984-1985 Mercedes-Benz 380SE Base
1981-1983 Mercedes-Benz 380SEL Base
1986-1991 Mercedes-Benz 420SEL Base
1984-1985 Mercedes-Benz 500SEC Base
1984-1985 Mercedes-Benz 500SEL Base
1986-1991 Mercedes-Benz 560SEC Base
1986-1991 Mercedes-Benz 560SEL Base

Product Details

Product Description

About Bilstein

Bilstein has been the OE shock supplier to Mercedes-Benz, BMW, Porsche, and Ferrari since 1957. German-engineered B4 OE replacements, B6 sport, B8 lift-corrected, and B14/B16 coilovers — every Bilstein damper carries motorsport-derived monotube technology.

Watch in action

Restore Your Mercedes-Benz Ride Quality

Maintain the legendary comfort and poise of your classic Mercedes-Benz with the Bilstein B4 OE Replacement Front Shock Absorber. Specifically engineered for the W126 chassis, these 36mm monotube shocks are designed to replicate the original factory ride characteristics while meeting modern quality standards. If your classic sedan or coupe feels loose or bouncy, these dampers are the perfect solution to restore factory-fresh handling.

Why Choose Bilstein B4?

  • OE Standard Performance: Engineered to match or exceed the original equipment specifications.
  • Monotube Design: Provides consistent damping force and longevity compared to standard twin-tube replacements.
  • Vehicle Specific Tuning: Tailored for the unique weight and suspension geometry of the 300SD, 380SE, 500SEL, and other W126 variants.
  • Longevity: High-quality seals and gas-pressure technology ensure a long service life.

The Bilstein B4 series is the gold standard for restoration projects. By replacing worn-out dampers, you not only improve safety and braking performance but also bring back the signature smooth ride that defined the Mercedes-Benz brand in the 80s and 90s. Installation is straightforward, allowing you to get back on the road with confidence and comfort. Trust your vehicle's suspension restoration to the proven quality of Bilstein and the automotive expertise of GGCRACING.

Vehicle Fitment

Years Make Model Trim
1981-1985 Mercedes-Benz 300SD Base
1986-1987 Mercedes-Benz 300SDL Base
1988-1991 Mercedes-Benz 300SE Base
1990-1991 Mercedes-Benz 300SEL Base
1991 Mercedes-Benz 350SD Base
1990-1991 Mercedes-Benz 350SDL Base
1984-1985 Mercedes-Benz 380SE Base
1981-1983 Mercedes-Benz 380SEL Base
1986-1991 Mercedes-Benz 420SEL Base
1984-1985 Mercedes-Benz 500SEC Base
1984-1985 Mercedes-Benz 500SEL Base
1986-1991 Mercedes-Benz 560SEC Base
1986-1991 Mercedes-Benz 560SEL Base

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