Unity 12-512900 Shock Absorber - Rear

Rear Gas Charged Shock Absorber

Restore controlled rear suspension response with the Unity Gas Charged Shock Absorber, part number 12-512900. This OE-style replacement is built to match OEM collapsed length, extended length, and shock stroke specifications for accurate rear suspension geometry on select Mercedes-Benz SUVs.

Compatible with Mercedes-Benz GL350, GL450, GL500, GL550, ML350, ML450, ML550, ML63 AMG, GL320, ML320, and ML500 rear applications that do not use Adaptive Damping Suspension (ADS). The 12-512900 is a direct-fit suspension shock absorber for drivers searching for a rear shock replacement for Mercedes-Benz GL-Class and ML-Class models.

Key Features

• Gas charged shock absorber for rear suspension service
• OEM collapsed length, extended length, and stroke specifications
• Fits select Mercedes-Benz GL-Class and ML-Class rear applications
• Excludes vehicles equipped with Adaptive Damping Suspension (ADS)
• Unity aftermarket suspension part number 12-512900

Product Details

Unity Automotive has more than 40 years of aftermarket manufacturing experience and offers broad suspension coverage across thousands of applications. The 12-512900 is part of Unity’s Gas Charged Shock Absorber line, focused on OE-style fitment and suspension service for Mercedes-Benz rear shock replacement needs. This part cross-references Arnott Industries SK-2868 for the same application.

What This Shock Absorber Helps Address

• Excessive rear bounce after bumps or dips
• Rear-end instability during braking or lane changes
• Uneven ride control from a worn shock absorber
• Noisy or harsh rear suspension operation
• Loss of damping performance on high-mileage Mercedes-Benz GL-Class and ML-Class vehicles

Installation Notes

• Fits 2010-2012 Mercedes-Benz GL350, rear
• Fits 2007-2012 Mercedes-Benz GL450, rear
• Fits 2008-2012 Mercedes-Benz GL500, rear
• Fits 2008-2012 Mercedes-Benz GL550, rear
• Fits 2006-2011 Mercedes-Benz ML350, rear
• Fits 2010-2011 Mercedes-Benz ML450, rear
• Fits 2008-2011 Mercedes-Benz ML550, rear
• Fits 2007-2011 Mercedes-Benz ML63 AMG, rear
• Fits 2007-2009 Mercedes-Benz GL320, rear
• Fits 2007-2009 Mercedes-Benz ML320, rear
• Fits 2006-2007 Mercedes-Benz ML500, rear

Verify that the vehicle is not equipped with ADS before ordering. Match the original shock dimensions and rear position to confirm correct application for Mercedes-Benz GL350, GL450, and ML350 rear suspension service.

Quality Assurance

Unity Automotive builds suspension parts with a focus on OE-style dimensions and broad aftermarket coverage. Part number 12-512900 is manufactured to align with OEM length and stroke specifications for the listed rear applications.