Bilstein
B4 OE Replacement (Air)

Bilstein 44-146108 Air Suspension Strut - Front

Brand Bilstein 44-146108
Position Front
Finish Black paint
Internal Design Monotube
Lower Mount Type Clevis
Reservoir Yes
Series B4 oe replacement (air)
Title Bilstein shock absorbers
Upper Mount Type Special
Product line B4 OE Replacement (Air)
Fits Mercedes-Benz · 5 vehicles

OE replacement. Direct-connect fit restores the original feel with no modifications needed.

Monotube design. Delivers consistent damping performance in an air suspension strut.

OE supplier pedigree. Bilstein builds to manufacturer-level standards for dependable replacement quality.

Cross-references 164 320 22 13, 164 320 52 13 and 164 320 52 13 80 for the same application. See all 5.

$1,169.00Free 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 Suspension Struts are typically replaced in pairs, axle by axle.
Order total $1,169.00
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 Strut

The Bilstein B4 OE Replacement (Air) front strut is built for European vehicles that use factory air suspension. This Bilstein air suspension strut restores original ride characteristics on the 2007-2011 Mercedes-Benz ML63 AMG while connecting directly to the vehicle’s original air suspension connectors.

  • Bilstein B4 OE Replacement (Air) series
  • Front air suspension strut for Mercedes-Benz ML63 AMG applications
  • Monotube internal design for consistent damping response
  • Direct-fit connection to original air suspension connectors
  • Black paint finish
  • Lower mount type: clevis
  • Upper mount type: special
  • Reservoir-equipped design

OE Replacement Air Suspension Details

Bilstein’s B4 OE Replacement (Air) line is made for drivers who want an OE-style replacement for factory air suspension systems without modifying the vehicle. As an OE supplier for air suspension systems, Bilstein builds this front strut to meet the standards expected on Mercedes-Benz platforms and to restore the original feel of the suspension. Part number 44-146108 is a direct replacement choice for the 2007-2011 Mercedes-Benz ML63 AMG front suspension.

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

What This Strut Helps Address

  • Front-end ride quality that has become harsh or uneven
  • Loss of factory air suspension damping performance
  • Suspension noise caused by worn OE air strut components
  • Vehicle stance or control issues related to aging front suspension parts
  • Need for a direct replacement on Mercedes-Benz ML63 AMG front suspension

Installation Notes and Fitment

Fits 2007-2011 Mercedes-Benz ML63 AMG, front. Part number 44-146108 is designed to connect into the original vehicle connectors for modification-free installation. Verify the vehicle’s suspension configuration and match the front position before installation.

Quality Assurance

Bilstein manufactures the B4 OE Replacement (Air) line as an OE-level replacement solution for factory air suspension systems. The design reflects Bilstein’s role as an OE supplier and is intended to restore the original suspension feel on the Mercedes-Benz ML63 AMG.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2011Mercedes-BenzML63 AMGBaseFrontB4 OE Replacement (Air)
2010Mercedes-BenzML63 AMGBaseFrontB4 OE Replacement (Air)
2009Mercedes-BenzML63 AMGBaseFrontB4 OE Replacement (Air)
2008Mercedes-BenzML63 AMGBaseFrontB4 OE Replacement (Air)
2007Mercedes-BenzML63 AMGBaseFrontB4 OE Replacement (Air)
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
164 320 22 13164 320 52 13164 320 52 13 80BL5-E610F4-BL5-E610-H0