Bilstein 24-166997 Air Shock Absorber - Rear
OE Quality 60-Day Returns
Bilstein
 B4 OE Replacement (Air)

Bilstein 24-166997 Air Shock Absorber - Rear

Brand Bilstein 24-166997
Position Rear
Boot Included Black straight
Finish Black paint
Internal Design Monotube
Lower Mount Type Clevis
Series B4 oe replacement (air)
Title Bilstein shock absorbers
Upper Mount Type Double stud
Product line B4 OE Replacement (Air)
Fits Mercedes-Benz · 14 vehicles

OE replacement. Connects directly for modification-free installation.

Monotube design. Delivers consistent damping and original ride feel.

Black paint finish. Adds a clean, durable look to the shock absorber.

Cross-references 164 320 11 31, 164 320 21 31 and 164 320 28 31 for the same application. See all 6.

$469.00Free 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 $469.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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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 GL-Class models with electronic suspension. Part number 24-166997 is built for direct connection to the original vehicle connectors, helping maintain the original suspension feel without modification.

For Mercedes-Benz GL350, GL450, and GL550 rear applications, this Bilstein air shock absorber follows the OE replacement approach of the B4 OE Replacement (Air) line. Bilstein’s role as an OE supplier for air suspension systems is reflected in the fit, connector layout, and construction of this replacement damper.

Key Features

  • Bilstein B4 OE Replacement (Air) series for air suspension repair
  • Monotube internal design for consistent damping response
  • Black paint finish with black straight boot included
  • Lower clevis mount and upper double stud mount
  • Direct-fit replacement for original air suspension connectors
  • Part number 24-166997 for rear suspension service

Product Details

This air shock absorber is engineered for rear suspension use on 2007-2012 Mercedes-Benz GL450, 2008-2009 Mercedes-Benz GL550, 2010-2012 Mercedes-Benz GL350, and 2010-2012 Mercedes-Benz GL550 applications with electronic suspension. The B4 OE Replacement (Air) line is focused on restoring original ride characteristics on European vehicles that use factory air suspension components. If you are searching for a rear air shock for Mercedes-Benz GL450 with electronic suspension or a Bilstein 24-166997 replacement for Mercedes-Benz GL550 rear suspension, this part matches those listed applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Can Address

  • Rear suspension sag from a worn air shock absorber
  • Uneven ride height on electronic suspension systems
  • Excessive bouncing or reduced damping control
  • Loss of original ride quality in the rear suspension
  • Need for an OE-style replacement on Mercedes-Benz GL-Class models

Installation Notes and Tips

Verify rear fitment by model year and suspension type before installation. This Bilstein air shock is listed for vehicles with electronic suspension where noted, and the direct-connect design supports a modification-free replacement process. Confirm the lower clevis mount and upper double stud mount match the original hardware layout on the vehicle.

Quality Assurance

Bilstein manufactures OE replacement air dampers to meet the standards expected for original-equipment suspension service. The B4 OE Replacement (Air) line is built to restore factory ride behavior on supported Mercedes-Benz GL-Class applications while maintaining OE-style connector compatibility.

Related reading

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2012Mercedes-BenzGL350Bluetec 4MaticRearWith Electronic Suspension; B4 OE Replacement (Air)
2012Mercedes-BenzGL450BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2012Mercedes-BenzGL550BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2011Mercedes-BenzGL350Bluetec 4MaticRearWith Electronic Suspension; B4 OE Replacement (Air)
2011Mercedes-BenzGL450BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2011Mercedes-BenzGL550BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2010Mercedes-BenzGL350Bluetec 4MaticRearWith Electronic Suspension; B4 OE Replacement (Air)
2010Mercedes-BenzGL450BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2010Mercedes-BenzGL550BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2009Mercedes-BenzGL450BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2009Mercedes-BenzGL550BaseRearB4 OE Replacement (Air)
2008Mercedes-BenzGL450BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
2008Mercedes-BenzGL550BaseRearB4 OE Replacement (Air)
2007Mercedes-BenzGL450BaseRearWith Electronic Suspension; B4 OE Replacement (Air)
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
164 320 11 31164 320 21 31164 320 28 31164 320 31 31BE5-G699F4-BE5-G699-H0