Bilstein B4 OE Replacement Air Suspension Strut

2011–2025 Mercedes-Benz CLS-Class (including CLS450) Front Right

Part #: 44-286682

Overview

The Bilstein B4 OE Replacement Air Suspension Strut is engineered to restore the original ride quality and handling characteristics of your Mercedes-Benz CLS-Class, specifically the CLS450 model from 2011 to 2025. Designed as a direct-fit replacement, this strut ensures that your vehicle maintains its factory suspension performance without the need for modifications. Whether your original air suspension system has developed leaks, failed components, or simply requires a refresh, the Bilstein B4 OE Replacement offers a reliable and cost-effective solution.

Ideal for Mercedes-Benz owners seeking to restore their vehicle's comfort, stability, and ride height, this suspension strut is perfect for daily drivers, enthusiasts, and those restoring their luxury sedan to peak condition. With Bilstein's reputation for quality and durability, you can trust that this component will deliver consistent performance, helping you enjoy a smooth, controlled ride that feels just like new.

Key Features

The Bilstein B4 OE Replacement air suspension strut incorporates advanced engineering and high-quality materials to match or exceed the original equipment specifications. Its key features include:

• OE-grade construction with durable steel housing and precision components for long-lasting performance.
• Direct-fit design that connects seamlessly to your vehicle’s existing air suspension connectors, ensuring a straightforward, modification-free installation.
• Bilstein’s proprietary gas-pressure technology provides consistent damping characteristics, restoring the factory ride height and handling.
• Restores original ride comfort and stability, whether your vehicle is experiencing sagging, uneven ride height, or suspension noise.
• Engineered to meet or surpass OE standards, ensuring reliability and safety on the road.
• Designed specifically for the Mercedes-Benz CLS450, maintaining the vehicle’s original handling dynamics and ride quality.

Construction & Design

The Bilstein B4 OE Replacement air suspension strut features a robust steel housing with a corrosion-resistant coating, ensuring durability in various driving conditions. Its internal components are precision-engineered to match the original suspension setup, including a high-quality piston and seal system that prevents leaks and maintains consistent damping performance. The strut’s design incorporates Bilstein’s proven gas-pressure technology, which enhances ride comfort, improves handling, and supports the vehicle’s original ride height.

The assembly is manufactured with strict adherence to OE specifications, ensuring perfect fitment and reliable operation. The direct-fit design eliminates the need for modifications, allowing for a quick and hassle-free installation that restores your vehicle’s suspension to factory standards.

Installation & Fitment

The Bilstein B4 OE Replacement air suspension strut is a bolt-on component that connects directly to your vehicle’s existing air suspension system. No cutting, drilling, or complex modifications are required. The installation process typically involves removing the old strut and replacing it with the new Bilstein unit, making it suitable for DIY enthusiasts with basic mechanical skills or professional technicians. It is recommended to inspect and service related suspension components during installation to ensure optimal performance and longevity.

• Direct-fit replacement for the original air suspension strut on the Mercedes-Benz CLS450 (2011–2025).
• No special tools or tuning required for installation.
• Restores original ride height, handling, and comfort.

What's Included

• One Bilstein B4 OE Replacement Air Suspension Strut – Front Right
• Installation hardware and mounting components
• Instruction manual for proper installation

Ideal For

• Mercedes-Benz CLS-Class owners experiencing suspension sag or leaks
• Enthusiasts seeking to restore factory ride quality and handling
• Professionals performing suspension repairs or restorations
• Drivers who want a reliable, OE-quality replacement for their air suspension system