OE Quality
60-Day Returns

Unity 15-112900 Air Suspension Spring - Front
Overview of Unity Air Suspension Spring/Bag Front for Mercedes-Benz
The Unity Air Suspension Spring/Bag 15-112900 is designed specifically for the front position of select Mercedes-Benz models. This air suspension spring provides reliable support and ride quality for vehicles such as the GL320, GL350, GL450, GL500, GL550, ML63 AMG, ML320, ML350, ML450, ML500, and ML550.
- Front position air suspension spring compatible with Mercedes-Benz SUVs
- Part number 15-112900 ensures precise fitment
- Designed for models including GL320, GL350, GL450, GL500, GL550, ML63 AMG, ML320, ML350, ML450, ML500, and ML550
- Part of the Unity Air Suspension Spring/Bag product line
- GTIN 00813566027400 for accurate identification
About the Unity Air Suspension Spring/Bag Product Line
The Unity Air Suspension Spring/Bag line focuses on delivering air springs engineered for suspension systems requiring durability and consistent performance. This product line addresses the specific needs of air suspension setups by providing components that maintain vehicle height and improve ride comfort. The 15-112900 air suspension spring is part of this line, tailored for front suspension applications on various Mercedes-Benz models.
Detailed Product Description
This front air suspension spring from Unity is engineered to replace worn or damaged air springs on compatible Mercedes-Benz SUVs. It supports the vehicle’s weight and absorbs road irregularities, contributing to a smoother ride and improved handling. The part number 15-112900 corresponds to a front-position air spring designed to fit a range of Mercedes-Benz GL and ML series models, including performance variants like the ML63 AMG. Its construction meets the specifications required for maintaining proper suspension geometry and vehicle stability.
Common Applications and Issues Addressed
- Restores proper ride height and suspension balance on front axle
- Replaces leaking or deflated air springs causing uneven ride
- Eliminates suspension noise related to worn air bags
- Improves handling and comfort on Mercedes-Benz GL and ML models
- Prevents further suspension component wear due to faulty air springs
Installation Notes and Tips
- Ensure vehicle is safely lifted and supported before removal
- Release air pressure from the suspension system prior to disassembly
- Verify part number 15-112900 matches the original component
- Inspect related suspension components for wear during installation
- Follow manufacturer torque specifications for mounting hardware
Quality Assurance and Warranty
Unity air suspension springs are manufactured to meet OEM standards for fit and function. While specific warranty details for part number 15-112900 should be confirmed at the time of purchase, Unity products typically come with a limited warranty covering defects in materials and workmanship. Proper installation and maintenance are essential to ensure product longevity and performance.
| Brand | Unity |
|---|---|
| Part Number | 15-112900 |
| Position | Air Suspension Spring/Bag, Front |
| Position | Front |
This part fits 45 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Mercedes-Benz | GL350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2012 | Mercedes-Benz | GL450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2012 | Mercedes-Benz | GL500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2012 | Mercedes-Benz | GL550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2011 | Mercedes-Benz | GL350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2011 | Mercedes-Benz | GL450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2011 | Mercedes-Benz | GL500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2011 | Mercedes-Benz | GL550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2011 | Mercedes-Benz | ML350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2011 | Mercedes-Benz | ML450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2011 | Mercedes-Benz | ML550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | GL350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | GL450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | GL500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | GL550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | ML350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | ML450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | ML550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2010 | Mercedes-Benz | ML63 AMG | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | GL320 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | GL450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | GL500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | GL550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | ML320 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | ML350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | ML550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2009 | Mercedes-Benz | ML63 AMG | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | GL320 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | GL450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | GL500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | GL550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | ML320 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | ML350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | ML550 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2008 | Mercedes-Benz | ML63 AMG | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2007 | Mercedes-Benz | GL320 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2007 | Mercedes-Benz | GL450 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2007 | Mercedes-Benz | ML320 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2007 | Mercedes-Benz | ML350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2007 | Mercedes-Benz | ML500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2007 | Mercedes-Benz | ML63 AMG | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2006 | Mercedes-Benz | ML350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2006 | Mercedes-Benz | ML500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2005 | Mercedes-Benz | ML350 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
| 2005 | Mercedes-Benz | ML500 | Front | w/ Airmatic; w/ or w/out ADS; Air Suspension Spring/Bag |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.