Unity
Electronic Air Suspension Strut Assembly

Unity 28-112601 Air Suspension Strut - Front Left

Brand Unity 28-112601
Position Front Left
Position Front
Product line Electronic Air Suspension Strut Assembly
Fits Mercedes-Benz · 16 vehicles

Electronic air suspension. Restores ride control with an integrated strut assembly.

OEM specifications. Built to match original equipment requirements for a direct replacement.

Air suspension strut. Combines suspension support and air spring function in one unit.

Cross-references Arnott Industries AS-3001 for the same application. See all 1.

$491.68Free 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 $491.68
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Front Left Air Suspension Strut for Mercedes-Benz

Restore ride height control and suspension response with the Unity Electronic Air Suspension Strut Assembly, part number 28-112601. This front left air suspension strut is built for Mercedes-Benz E-Class 4Matic models equipped with AIRMATIC and ADS, including select E300, E350, E550, E280, E500, and E320 applications.

Unity Automotive draws on more than 40 years of aftermarket suspension manufacturing experience and builds this Electronic Air Suspension Strut Assembly to OEM specifications for direct-fit replacement on the front left corner.

Key Features

  • Front left electronic air suspension strut assembly
  • Built for Mercedes-Benz E-Class 4Matic vehicles with AIRMATIC and ADS
  • OE-style replacement for factory air suspension service
  • Engineered to match original suspension geometry and fitment
  • Unity part number 28-112601
  • Cross-references Arnott Industries AS-3001 for the same application

Detailed Description

Compatible With 2008-2009 Mercedes-Benz E300, front left; 2006-2009 Mercedes-Benz E350, front left; 2007-2009 Mercedes-Benz E550, front left; 2007 Mercedes-Benz E280, front left; 2004-2006 Mercedes-Benz E500, front left; and 2003-2005 Mercedes-Benz E320, front left. This Unity air suspension strut is intended for 4Matic all-wheel-drive vehicles with AIRMATIC and ADS, and it supports the factory electronic suspension layout used on these Mercedes-Benz E-Class models. Part number 28-112601 is a direct replacement option when servicing the front left air strut on the listed applications.

Common Repair Symptoms

  • Front end sagging after parking
  • Uneven ride height on the left side
  • Air suspension warning messages
  • Excessive bouncing or reduced damping control
  • Loss of factory ride comfort on AIRMATIC-equipped vehicles

Installation Notes

Verify the vehicle is a Mercedes-Benz E-Class 4Matic model with AIRMATIC and ADS before ordering. Confirm the front left position and match the original suspension configuration to the vehicle’s factory setup. Professional installation is recommended for air suspension components, and the system should be inspected for related leaks, compressor issues, and electronic faults during replacement.

Quality Assurance

Unity Automotive manufactures aftermarket suspension components to OEM specifications and supports this product with its customer satisfaction commitment. The brand’s suspension focus and long-running industry experience support consistent fitment and replacement confidence for Mercedes-Benz E300, E350, E550, E280, E500, and E320 front left applications.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2009Mercedes-BenzE3004MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2009Mercedes-BenzE3504MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2009Mercedes-BenzE5504MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2008Mercedes-BenzE3004MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2008Mercedes-BenzE3504MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2008Mercedes-BenzE5504MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2007Mercedes-BenzE2804MaticFront Leftw/AIRMATIC & ADS; Includes Wagon; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2007Mercedes-BenzE3504MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2007Mercedes-BenzE5504MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2006Mercedes-BenzE3504MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2006Mercedes-BenzE5004MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2005Mercedes-BenzE3204MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2005Mercedes-BenzE5004MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2004Mercedes-BenzE3204MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2004Mercedes-BenzE5004MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
2003Mercedes-BenzE3204MaticFront Leftw/AIRMATIC and ADS; 4Matic (All Wheel Drive) Only; Electronic Air Suspension Strut Assembly
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Arnott Industries — AS-3001