Arnott A-2790 Air Suspension Spring - Rear Right

Rear Right Air Spring for Mercedes-Benz E-Class and CLS-Class

Arnott A-2790 is a rear right air suspension spring for select Mercedes-Benz E-Class and CLS-Class models. It is built with a multi-ply Continental ContiTech air spring bladder, a black rubber convoluted bellows, and a 4 mm air fitting for a direct replacement on the rear passenger side.

Compatible With 2010-2018 Mercedes-Benz E-Class and CLS-Class applications, this Arnott NEW line part is designed for drivers replacing a worn rear air spring on the W212 and W218 chassis. The A-2790 is designed, assembled, and tested in the USA.

Key Features

• Part number A-2790 rear right air suspension spring
• Multi-ply Continental ContiTech air spring bladder
• German-made crimping rings for secure assembly
• Custom high-impact resin top mount and bottom piston
• Black rubber convoluted bellows with standard grade construction
• 4 mm air fitting for the air suspension connection
• Dust boot included to help protect the spring from road debris
• Lower mount type: base cup; upper mount type: stud

Detailed Description

Arnott’s NEW product line focuses on replacement air suspension components engineered for specific vehicle applications. This A-2790 rear right air spring is built for Mercedes-Benz E-Class and CLS-Class models that use rear air suspension, including the W212 and W218 chassis platforms. The design combines a rubber bellows, resin mounts, and Continental ContiTech bladder material to restore rear suspension support and ride height control.

This part cross-references Mercedes-Benz 2123200625 and 2123200825 for the same application. Use A-2790 when replacing the rear right air spring on a Mercedes-Benz E350, E550, or CLS550, and related models listed below.

Vehicle Fitment

• Fits 2015-2018 Mercedes-Benz CLS400, rear right.
• Fits 2012-2018 Mercedes-Benz CLS500, rear right.
• Fits 2012-2018 Mercedes-Benz CLS550, rear right.
• Fits 2014-2018 Mercedes-Benz CLS63 AMG S, rear right.
• Fits 2012-2016 Mercedes-Benz E200, rear right.
• Fits 2014-2016 Mercedes-Benz E250, rear right.
• Fits 2011-2012 Mercedes-Benz E250, rear right.
• Fits 2010-2016 Mercedes-Benz E300, rear right.
• Fits 2010-2016 Mercedes-Benz E350, rear right.
• Fits 2013-2016 Mercedes-Benz E400, rear right.
• Fits 2010-2016 Mercedes-Benz E500, rear right.
• Fits 2010-2016 Mercedes-Benz E550, rear right.
• Fits 2010-2016 Mercedes-Benz E63 AMG, rear right.
• Fits 2014-2016 Mercedes-Benz E63 AMG S, rear right.
• Fits 2012-2014 Mercedes-Benz CLS350, rear right.
• Fits 2012-2014 Mercedes-Benz CLS63 AMG, rear right.

Installation Notes and Tips

• Confirm the rear right position before installation.
• Inspect the air line, fittings, and mounting points for wear or damage before reassembly.
• Verify the vehicle’s suspension system is depressurized and safely supported before removal.
• Check for fault codes and perform any required ride-height calibration after installation.
• Match the part number and chassis application to the vehicle’s existing air suspension setup.

Quality Assurance

A-2790 is designed, assembled, and tested in the USA. Arnott uses a Continental ContiTech multi-ply bladder, German-made crimping rings, and a high-impact resin mount design to support consistent replacement quality for Mercedes-Benz rear air suspension service.