Arnott C-3698 Air Spring to Coil Spring Conversion Kit - Front and Rear

Mercedes-Benz E-Class Suspension Conversion Kit

Arnott C-3698 is a premium air spring to coil spring conversion kit for the 2003-2009 Mercedes-Benz E-Class W211 4MATIC Sedan with ADS features. It replaces the Airmatic setup with steel springs and Arnott-custom-valved shock absorbers to preserve the ride and handling expected from the E-Class.

Built for drivers who want a standard replacement suspension solution, this kit also includes Arnott’s patented Electronic Bypass Module to deactivate the Airmatic system and prevent dash panel error lights.

Key Features

• Air spring to coil spring conversion kit for Mercedes-Benz E-Class W211 4MATIC Sedan applications
• Fits front and rear suspension positions on confirmed vehicles
• Steel spring construction with black finish
• Standard replacement suspension grade
• Custom-valved shock absorbers from Arnott
• Patented Electronic Bypass Module helps disarm the Airmatic system
• Passive suspension design

Product Details

Arnott NEW line part C-3698 is engineered for 2004-2006 Mercedes-Benz E320, 2004-2006 Mercedes-Benz E500, 2006-2009 Mercedes-Benz E350, 2007 Mercedes-Benz E280, 2007-2009 Mercedes-Benz E550, and 2008-2009 Mercedes-Benz E300 models with front and rear fitment. The steel spring design provides a conventional suspension conversion for owners replacing air suspension components on the W211 chassis 4MATIC Sedan with ADS features. Arnott’s NEW product line focuses on updated suspension solutions for specific vehicle platforms, and this kit follows that approach with a direct conversion format for the Mercedes-Benz E-Class.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Kit Addresses

• Air suspension warning lights on the dash
• Failed or leaking Airmatic air springs
• Uneven ride height at the front or rear
• Loss of ride control from worn suspension components
• Need to convert from air suspension to coil spring suspension

Installation Notes and Tips

Verify chassis, drivetrain, and ADS-equipped suspension details before installation. This kit is specified for front and rear positions on the listed Mercedes-Benz E-Class applications, so confirm the vehicle matches the W211 4MATIC Sedan fitment before ordering. After installation, clear any stored suspension fault codes and confirm the bypass module is functioning as intended.

Quality Assurance

Arnott manufactures this conversion kit as a premium suspension replacement solution and backs the design with its patented Electronic Bypass Module technology for Airmatic system deactivation. The steel spring construction and custom-valved shock absorbers are built for standard replacement use on the confirmed Mercedes-Benz E-Class applications.