Unity 28-113502 Air Suspension Strut - Front Right

Front Right Electronic Air Suspension Strut

Restore front suspension control with the Unity Electronic Air Suspension Strut Assembly, part number 28-113502. This front right air suspension strut is built for 2003-2006 Mercedes-Benz S430 and 2003-2006 Mercedes-Benz S500 models equipped with Airmatic and 4Matic all-wheel drive.

Unity Automotive draws on more than 40 years in the aftermarket suspension market and builds this Electronic Air Suspension Strut Assembly to OEM specifications for a direct-fit replacement on the front right corner.

Key Features

• Front right air suspension strut assembly for Mercedes-Benz applications
• Fits 2003-2006 Mercedes-Benz S430, front right, with Airmatic and 4Matic only
• Fits 2003-2006 Mercedes-Benz S500, front right, with Airmatic and 4Matic only
• OEM-specification replacement for factory electronic air suspension systems
• Unity part number 28-113502 for application matching and ordering
• Cross-references Mercedes-Benz OE numbers 2203201438 and 2203202238 for the same application

Detailed Description

The Unity 28-113502 Electronic Air Suspension Strut Assembly is a front right suspension replacement for select Mercedes-Benz S-Class vehicles with the Airmatic system and 4Matic drivetrain. It is engineered for 2003-2006 Mercedes-Benz S430 and 2003-2006 Mercedes-Benz S500 models, excluding rear-wheel-drive vehicles. As part of Unity Automotive’s Electronic Air Suspension Strut Assembly line, this component is built to match OEM specifications and support proper ride height control, damping response, and suspension performance.

For buyers searching for a front right air strut for Mercedes-Benz S430 4Matic Airmatic or a front right air suspension strut for Mercedes-Benz S500 4Matic Airmatic, part number 28-113502 provides a direct application match. The OE cross-reference numbers 2203201438 and 2203202238 help confirm interchange for the same vehicle fitment.

Common Issues This Part Addresses

• Front-end sagging from a worn air strut
• Uneven ride height on the front right corner
• Loss of damping control over bumps and road irregularities
• Suspension warning symptoms related to a failing electronic air strut
• Ride quality decline in Airmatic-equipped Mercedes-Benz S430 and S500 models

Installation Notes and Tips

Verify that the vehicle is a 2003-2006 Mercedes-Benz S430 or S500 with Airmatic and 4Matic before ordering. This front right assembly does not fit rear-wheel-drive models. Confirm the OE number and position, and inspect related suspension components, air lines, and mounting points during replacement to ensure proper system operation.

Quality Assurance

Unity Automotive has over 40 years of aftermarket suspension manufacturing experience and builds this strut assembly to OEM specifications. The brand focuses on suspension products engineered for consistent fitment and dependable service across its product line.