HomeSuspension > Suspension, Springs and Related ComponentsUnity 15-512900 Air Suspension Spring - Rear
Part #: 15-512900

Unity 15-512900 Air Suspension Spring - Rear

Air Suspension Spring, Rear
121 vehicles fit this part
Select your vehicle to confirm fitment
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Air Suspension Spring, Rear
Fitment: Mercedes-Benz, GLS450, GLS500, GLS550, GLS63 AMG, GLE350, GLE43 AMG, GLE550e, GLE63 AMG, GLE63 AMG S, GLE400, GLE450 AMG, GLE500, GLE550, GL350, GL450, GL550, GL63 AMG, GLE300d, GLE350d, GL500, ML250, ML350, ML400, ML500, ML550, ML63 AMG, ML450, GL320, and ML320
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Overview of Unity Air Suspension Spring 15-512900

The Unity Air Suspension Spring 15-512900 is designed specifically for the rear position of select Mercedes-Benz models. This air suspension spring provides reliable support and ride comfort for vehicles such as the GL63 AMG, GLE63 AMG, GLS550, and ML350, ensuring consistent performance under varying load conditions.

  • Rear air suspension spring for Mercedes-Benz vehicles
  • Compatible with multiple GL, GLE, GLS, and ML series models
  • Part number 15-512900 for precise identification
  • Designed to maintain vehicle height and improve ride quality
  • Constructed to meet OEM specifications for durability and fitment

Detailed Product Description

This Unity Air Suspension Spring from the Air Suspension Spring product line is engineered to replace the rear air springs on a range of Mercedes-Benz SUVs and crossovers. The part number 15-512900 corresponds to a rear-position air spring that supports the vehicle’s suspension system by absorbing shocks and maintaining proper ride height. It is compatible with models including the GL63 AMG, GL350, GLE450 AMG, GLS500, and ML63 AMG, among others. The Air Suspension Spring line focuses on delivering components that meet or exceed original equipment standards, ensuring a precise fit and reliable operation within the vehicle’s suspension system.

Common Applications and Problem Solving

  • Restores proper rear suspension height on Mercedes-Benz GL, GLE, GLS, and ML models
  • Addresses uneven ride height or sagging rear suspension
  • Eliminates air leaks or failure in existing air springs
  • Improves vehicle stability and handling under load
  • Reduces suspension noise and vibration caused by worn springs

Installation Notes and Tips

  • Ensure vehicle is safely lifted and supported before removing old air spring
  • Release air pressure from the suspension system prior to removal
  • Check for any damage to surrounding suspension components during installation
  • Use OEM or recommended tools to avoid damage to fittings and connectors
  • After installation, verify proper inflation and suspension height adjustment

Quality Assurance and Warranty

Unity’s Air Suspension Spring product line is manufactured to meet strict quality standards, ensuring durability and compatibility with Mercedes-Benz vehicles. The 15-512900 air suspension spring undergoes rigorous testing to confirm fitment and performance. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary based on purchase location and terms.

BrandUnity
Part Number15-512900
PositionAir Suspension Spring, Rear
PositionRear

This part fits 121 vehicles. Search below:

YearMakeModelPositionNotes
2019Mercedes-BenzGLS450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2019Mercedes-BenzGLS500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2019Mercedes-BenzGLS550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2019Mercedes-BenzGLS63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLE350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLE43 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLE550eRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLE63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLE63 AMG SRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLS450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLS550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2018Mercedes-BenzGLS63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE400RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE43 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE450 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE550eRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLE63 AMG SRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLS450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLS550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2017Mercedes-BenzGLS63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGL350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGL63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE300dRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE350dRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE400RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE450 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE550eRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2016Mercedes-BenzGLE63 AMG SRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzGL350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzGL63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzML250RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzML400RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2015Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzGL350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzGL63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2014Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzGL350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzGL63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2013Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzGL350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2012Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzGL350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzML450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2011Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzGL350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzML450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2010Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzGL320RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzML320RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2009Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzGL320RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzGL500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzGL550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzML320RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzML550RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2008Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2007Mercedes-BenzGL320RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2007Mercedes-BenzGL450RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2007Mercedes-BenzML320RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2007Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2007Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2007Mercedes-BenzML63 AMGRearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2006Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2006Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2005Mercedes-BenzML350RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring
2005Mercedes-BenzML500RearFor Vehicles w/ Rear Suspension; With or Without ADS; Air Suspension Spring

* 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:

164320022516432004251643200625164320072516432008251643200925164320102516632003251663200625949-852

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.