OE Quality
60-Day Returns

Unity 12-512800 Shock Absorber - Rear
Overview of Unity Gas Charged Shock Absorber 12-512800
The Unity Gas Charged Shock Absorber 12-512800 is designed specifically for Mercedes-Benz R320, R350, and R500 models. This suspension shock absorber maintains OEM specifications for collapsed length, extended length, and shock stroke to ensure proper fit and function.
- Compatible with Mercedes-Benz R320, R350, and R500
- Maintains OEM collapsed length for accurate fitment
- OEM extended length ensures correct suspension travel
- Shock stroke matches original equipment for consistent performance
- Part number 12-512800 for precise identification
Details on the Gas Charged Shock Absorber Product Line
The Unity Gas Charged Shock Absorber line features gas-pressurized technology to provide controlled damping and improved ride quality. This product line is engineered to meet or exceed OEM standards, offering reliable suspension performance for compatible vehicles. The gas charge helps reduce foaming and fade, which can occur in traditional hydraulic shocks under demanding conditions.
Technical Description and Attributes
This suspension shock absorber is built to OEM specifications, including collapsed length, extended length, and shock stroke. These dimensions are critical for maintaining the correct suspension geometry and ride height on Mercedes-Benz R320, R350, and R500 models. The gas charged design enhances damping consistency, contributing to vehicle stability and handling precision.
Common Applications and Problem Solving
- Restores proper suspension travel and ride height
- Reduces excessive bouncing and body roll
- Improves vehicle handling and stability
- Addresses shock absorber leaks or failure
- Replaces worn or damaged OEM shocks on Mercedes-Benz R320, R350, and R500
Installation Notes and Tips
Installation of the Unity Gas Charged Shock Absorber 12-512800 should be performed by a qualified technician familiar with Mercedes-Benz suspension systems. Ensure the vehicle is securely lifted and supported before removing old shocks. Verify that the replacement shock matches OEM collapsed and extended lengths to maintain suspension geometry. After installation, a wheel alignment is recommended to optimize handling and tire wear.
Quality Assurance and Warranty
Unity suspension components, including the Gas Charged Shock Absorber 12-512800, are manufactured to meet OEM quality standards. This part undergoes rigorous testing to ensure durability and performance. Warranty coverage details should be confirmed with the supplier or manufacturer to understand terms and conditions.
| Brand | Unity |
|---|---|
| Part Number | 12-512800 |
| Position | Gas Charged Shock Absorber, Rear |
| Collapsed Length | OEM |
| Extended Length | OEM |
| Shock Stroke | OEM |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2012 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2011 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2010 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2009 | Mercedes-Benz | R320 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2009 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2008 | Mercedes-Benz | R320 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2008 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2008 | Mercedes-Benz | R500 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2007 | Mercedes-Benz | R320 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2007 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2007 | Mercedes-Benz | R500 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2006 | Mercedes-Benz | R350 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
| 2006 | Mercedes-Benz | R500 | Rear | Excludes Adaptive Damping Suspension (ADS); Gas Charged Shock Absorber |
* 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.