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UnityPart #: 28-112301
Unity 28-112301 Air Suspension Strut - Front Left
49 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, CLS400, CLS550, CLS63 AMG, CLS63 AMG S, E250, E300, E350, E400, E550, E63 AMG, and E63 AMG S
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Not what you need? See all Air Suspension Strut options
Front Left Air Suspension Strut for Mercedes-Benz
Restore front-end ride control with this Unity air suspension strut, part number 28-112301. It is a front left replacement for select Mercedes-Benz models equipped with Active Dampening (ADS) and Airmatic, including W212 and W218 chassis applications.
Key Features
- Front left air suspension strut for Mercedes-Benz air ride systems
- Fits select 2010-2018 Mercedes-Benz E-Class and CLS-Class applications
- For vehicles with Active Dampening (ADS) and Airmatic
- Application-specific fitment for W212 and W218 chassis models
- Unity part number 28-112301 for easy identification
Detailed Description
This Unity air suspension strut is built for direct replacement on select Mercedes-Benz vehicles with factory air suspension. It fits 2012-2018 Mercedes-Benz CLS550, front left; 2014-2018 Mercedes-Benz CLS63 AMG S, front left; 2015-2017 Mercedes-Benz CLS400, front left; and multiple W212 chassis E-Class models including E250, E300, E350, E400, E550, E63 AMG, and E63 AMG S in the front left position. Use part number 28-112301 when matching the correct air strut for your vehicle.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Repair Symptoms
- Front left corner sagging after parking
- Uneven ride height or vehicle leaning to one side
- Harsh ride or reduced damping response
- Air suspension warning light or system fault codes
- Loss of normal front suspension support
Installation Notes
Verify chassis, drivetrain, and suspension options before ordering. This front left air suspension strut is for vehicles with ADS and Airmatic, and some listings exclude coupes and convertibles. Confirm the exact model year and trim against the fitment data for Mercedes-Benz CLS550, CLS63 AMG S, CLS400, E250, E300, E350, E400, E550, E63 AMG S, and E63 AMG applications.
Quality Assurance
Unity supplies replacement suspension components for vehicle-specific applications. Part number 28-112301 is cataloged for the listed Mercedes-Benz fitments and chassis configurations.
This part fits 49 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Mercedes-Benz | CLS550 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2018 | Mercedes-Benz | CLS63 AMG S | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2017 | Mercedes-Benz | CLS400 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2017 | Mercedes-Benz | CLS550 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2017 | Mercedes-Benz | CLS63 AMG S | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2016 | Mercedes-Benz | CLS400 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2016 | Mercedes-Benz | CLS550 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2016 | Mercedes-Benz | CLS63 AMG S | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2016 | Mercedes-Benz | E250 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2016 | Mercedes-Benz | E300 | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2016 | Mercedes-Benz | E350 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2016 | Mercedes-Benz | E400 | Sedan | AWD | Front Left | Excludes Convertiable and Coupes; For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2016 | Mercedes-Benz | E550 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2016 | Mercedes-Benz | E63 AMG S | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2015 | Mercedes-Benz | CLS400 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2015 | Mercedes-Benz | CLS550 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2015 | Mercedes-Benz | CLS63 AMG S | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2015 | Mercedes-Benz | E250 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2015 | Mercedes-Benz | E300 | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2015 | Mercedes-Benz | E350 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2015 | Mercedes-Benz | E400 | Sedan | AWD | Front Left | Excludes Convertiable and Coupes; For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2015 | Mercedes-Benz | E400 | Wagon | AWD | Front Left | Excludes Convertiable and Coupes; For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2015 | Mercedes-Benz | E550 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2015 | Mercedes-Benz | E63 AMG | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2015 | Mercedes-Benz | E63 AMG S | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2014 | Mercedes-Benz | CLS550 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2014 | Mercedes-Benz | CLS63 AMG | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2014 | Mercedes-Benz | CLS63 AMG S | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2014 | Mercedes-Benz | E250 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2014 | Mercedes-Benz | E300 | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2014 | Mercedes-Benz | E350 | Sedan | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2014 | Mercedes-Benz | E350 | Wagon | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2014 | Mercedes-Benz | E550 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2014 | Mercedes-Benz | E63 AMG | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2014 | Mercedes-Benz | E63 AMG S | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2013 | Mercedes-Benz | CLS550 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2013 | Mercedes-Benz | E300 | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2013 | Mercedes-Benz | E350 | Sedan | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2013 | Mercedes-Benz | E350 | Wagon | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2013 | Mercedes-Benz | E550 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2012 | Mercedes-Benz | CLS550 | AWD | Front Left | For W218 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2012 | Mercedes-Benz | E300 | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic | ||
| 2012 | Mercedes-Benz | E350 | Sedan | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2012 | Mercedes-Benz | E350 | Wagon | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
| 2012 | Mercedes-Benz | E550 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2011 | Mercedes-Benz | E350 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2011 | Mercedes-Benz | E550 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2010 | Mercedes-Benz | E350 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models | |
| 2010 | Mercedes-Benz | E550 | AWD | Front Left | For W212 Chassis - With Active Dampening (ADS) and Airmatic; 4Matic Models |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.