Arnott AS-2853 Air Suspension Strut - Front Left

Front Left Air Strut for Mercedes-Benz Airmatic

Arnott AS-2853 is a new front left air suspension strut for select Mercedes-Benz S-Class and CL-Class models equipped with Airmatic and 4MATIC. It combines a tuned twin-tube shock absorber with a new ContiTech air bladder for controlled ride response and comfort.

Built for the 2007-2013 Mercedes-Benz S550, 2008-2011 Mercedes-Benz S450, 2012-2013 Mercedes-Benz S350, 2013 Mercedes-Benz S500, and 2009-2014 Mercedes-Benz CL550, this front left air strut is a direct replacement for the original air suspension unit. Arnott AS-2853 is new, not remanufactured, and uses OE-style mounting and air connections for a straightforward service replacement.

Key Features

• New air suspension strut for the front left position
• Fits vehicles with Airmatic and 4MATIC where specified
• Custom-tuned twin-tube shock absorber for responsive ride control
• New ContiTech air bladder, bump stop, connector, air line fitting, and heavy-duty crimping rings
• Air adjustable, gas charged, and progressive spring rate design
• Mounting hardware included
• Boot included, with spring isolators and upper mounting isolator included
• Lower mount type: bolt; upper mount type: stud
• Internal damper type: hydraulic
• Brand line: NEW, indicating a new replacement product line rather than remanufactured inventory

Detailed Description

Arnott AS-2853 is engineered as a new replacement air suspension strut for Mercedes-Benz luxury sedans and coupes that use front air suspension. The design centers on a tuned twin-tube shock absorber paired with a new ContiTech air spring bladder to maintain ride height control while preserving a composed, comfortable feel. The progressive spring rate and hydraulic internal damper help the strut respond smoothly to road inputs.

This part cross-references Mercedes-Benz OE numbers 2213200438 and 2213201738 for the same application. It is a strong match for owners searching for a front left air strut for Mercedes-Benz S550, S450, S350, S500, or CL550 with air suspension. Arnott recommends replacing both front struts at the same time to keep suspension behavior balanced side to side.

Common Problems This Part Can Address

• Front-end sagging from a worn air bladder
• Uneven ride height on the left front corner
• Excessive bouncing or reduced damping control
• Air leaks at the strut assembly or air line connection
• Ride quality changes caused by aging suspension components

Installation Notes and Tips

Install AS-2853 on the front left side only. Confirm the vehicle is equipped with Airmatic and, where required, 4MATIC before ordering. Inspect the opposite front strut, air lines, and related suspension components during service, since wear on one side often appears with wear on the other.

For best results, follow factory service procedures for depressurizing the air suspension system before removal and recalibration after installation if required by the vehicle. Verify all air fittings and mounting points are secure before returning the vehicle to service.

Quality Assurance

Arnott backs this new air strut with a Limited Lifetime Warranty. The AS-2853 is built as a new replacement assembly, not remanufactured, using a ContiTech air bladder and heavy-duty crimping components for consistent construction.