Bilstein
B4 OE Replacement (Air)

Bilstein 20-101893 Air Shock Absorber - Rear

Brand Bilstein 20-101893
Position Rear
Boot Included Black straight
Finish Black paint
Internal Design Monotube
Lower Mount Type Eye 10mm
Series B4 oe replacement (air)
Title Bilstein shock absorbers
Upper Mount Type Stem
Product line B4 OE Replacement (Air)
Fits Mercedes-Benz · 10 vehicles

OE replacement. Direct-connect design restores original feel with modification-free installation.

Monotube design. Delivers consistent damping performance in an air shock absorber.

OE supplier pedigree. Built to meet manufacturer standards for air suspension systems.

Cross-references 211 320 06 31, 211 326 28 00 and BA3-A189 for the same application. See all 4.

$519.00Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Air Shock Absorbers are typically replaced in pairs, axle by axle.
Order total $519.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Bilstein B4 OE Replacement (Air) Rear Shock

The Bilstein B4 OE Replacement (Air) rear shock absorber restores factory-style ride control for select Mercedes-Benz air suspension applications. This Bilstein B4 OE Replacement (Air) damper connects directly to the original vehicle connectors for a modification-free replacement on the rear suspension.

Built with a monotube internal design and a black painted finish, part number 20-101893 is made for drivers replacing a worn rear air shock on Mercedes-Benz E-Class models. It is a direct-fit OE replacement for the original air suspension setup on the listed vehicles.

Key Features

  • Bilstein B4 OE Replacement (Air) series rear air shock absorber
  • Monotube internal design for consistent damping response
  • Direct connection to original vehicle connectors
  • Black paint finish with black straight boot included
  • Upper mount type: stem
  • Lower mount type: eye 10mm
  • OE-style replacement for Mercedes-Benz air suspension systems

Product Details

Bilstein B4 OE Replacement (Air) dampers are engineered as direct replacements for original air suspension components on many European vehicles. Bilstein is an OE supplier for air suspension systems, and this product line is built to meet the standards expected from the factory suspension setup while restoring the original driving feel. If you are replacing a rear air shock on a Mercedes-Benz E550, E500, or E320, part number 20-101893 provides a direct-fit solution for the specified applications.

This part cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.

Vehicle Fitment

  • Fits 2007-2009 Mercedes-Benz E550, rear, B4 OE Replacement (Air)
  • Fits 2004-2006 Mercedes-Benz E500, rear, B4 OE Replacement (Air)
  • Fits 2005 Mercedes-Benz E320, rear, B4 OE Replacement (Air)
  • Fits 2004 Mercedes-Benz E320, rear, with air suspension; B4 OE Replacement (Air)
  • Fits 2003 Mercedes-Benz E320, rear, from chassis/VIN A334971, VIN X108180; B4 OE Replacement (Air)
  • Fits 2003 Mercedes-Benz E500, rear, from chassis/VIN A334971, VIN X108180; B4 OE Replacement (Air)

Common Replacement Symptoms

  • Rear suspension sagging or uneven ride height
  • Excessive bouncing or reduced damping control
  • Air shock leakage or loss of ride quality
  • Factory rear suspension response no longer matches OE feel

Installation Notes

Verify the vehicle’s rear suspension configuration, chassis breakpoints, and VIN notes before ordering. This Bilstein shock absorber is designed to connect directly into the original connectors, which helps simplify replacement on the listed Mercedes-Benz E-Class applications. Confirm the upper stem mount and lower 10 mm eye mount match the original part before installation.

Quality Assurance

Bilstein supplies OE-level suspension components, and the B4 OE Replacement (Air) line is built to restore factory-style performance on the specified Mercedes-Benz applications. Part number 20-101893 is engineered for direct replacement use on the listed rear air suspension vehicles.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
2009Mercedes-BenzE550Base—RearB4 OE Replacement (Air)
2008Mercedes-BenzE550Base—RearB4 OE Replacement (Air)
2007Mercedes-BenzE550Base—RearB4 OE Replacement (Air)
2006Mercedes-BenzE500Base—RearB4 OE Replacement (Air)
2005Mercedes-BenzE320BaseSedanRearB4 OE Replacement (Air)
2005Mercedes-BenzE500Base—RearB4 OE Replacement (Air)
2004Mercedes-BenzE320BaseSedanRearWith Air Suspension; B4 OE Replacement (Air)
2004Mercedes-BenzE500Base—RearB4 OE Replacement (Air)
2003Mercedes-BenzE320Base—RearFrom Chassis/VIN A334971, VIN X108180; B4 OE Replacement (Air)
2003Mercedes-BenzE500Base—RearFrom Chassis/VIN A334971, VIN X108180; B4 OE Replacement (Air)
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
211 320 06 31211 326 28 00BA3-A189F4-BA3-A189-H0