Bilstein B4 OE Replacement Air Suspension Strut

2007–2011 Mercedes-Benz CLS550

Part #: 44-104542

Overview

The Bilstein B4 OE Replacement Air Suspension Strut is a high-quality, direct-fit replacement designed specifically for the 2007-2011 Mercedes-Benz CLS550. Built by Bilstein, a renowned OE supplier for air suspension systems, these dampers are engineered to restore your vehicle's original ride comfort, handling, and stability. Whether your existing air suspension is experiencing leaks, uneven ride height, or diminished performance, the B4 OE Replacement Strut offers a reliable solution to bring your luxury sedan back to optimal condition.

Designed for enthusiasts who demand factory-level quality and durability, these replacement dampers ensure your Mercedes-Benz maintains its refined driving experience. With Bilstein's reputation for precision engineering and rigorous testing, you can trust that these struts will deliver consistent performance, improved ride quality, and longevity. Perfect for daily drivers or those seeking to restore their vehicle's factory suspension performance without the need for complex modifications.

Key Features

The Bilstein B4 OE Replacement Air Suspension Strut incorporates advanced technology and premium materials to match or exceed original equipment standards. Key features include:

• OE-grade construction with high-strength steel and durable rubber components for long-lasting performance.
• Direct-fit design that connects seamlessly to the vehicle's existing connectors, ensuring a modification-free installation process.
• Bilstein's proprietary monotube gas-pressure design, which provides consistent damping characteristics and improved handling response.
• Enhanced ride comfort by effectively absorbing road shocks and vibrations, maintaining the vehicle's original ride height and stance.
• Corrosion-resistant coatings and sealed units to withstand harsh weather conditions and road debris, extending service life.
• Manufactured to meet or exceed OE specifications, ensuring reliable operation and safety.

Construction & Design

The B4 OE Replacement Strut features a robust monotube design, which is known for its superior heat dissipation and consistent damping performance. The housing is crafted from high-quality steel with a corrosion-resistant coating, ensuring durability over years of use. The internal components are precisely engineered to match the original suspension geometry, providing a perfect fit and function. The design maintains the vehicle's factory ride height and handling characteristics, making it an ideal choice for restoring original suspension performance without the need for aftermarket modifications.

Installation & Fitment

The Bilstein B4 OE Replacement Air Suspension Strut is a bolt-on replacement that connects directly to your vehicle's existing mounting points and electrical connectors. No modifications, cutting, or drilling are required, making installation straightforward for experienced DIY enthusiasts or professional technicians. The process typically involves removing the existing air strut and replacing it with the new Bilstein unit, restoring proper suspension function and ride quality. It is recommended to inspect and service related components, such as air lines and sensors, during installation to ensure optimal performance.

• Direct-fit replacement for the original air suspension strut on the Mercedes-Benz CLS550 (2007-2011).
• No special tools or modifications needed for installation.
• Designed to restore factory ride height, handling, and comfort.

What's Included

• One Bilstein B4 OE Replacement Air Suspension Strut
• All necessary mounting hardware and seals
• Installation instructions

Ideal For

• Owners experiencing air suspension leaks or failure on their Mercedes-Benz CLS550
• Enthusiasts seeking a reliable, OE-quality replacement to restore original ride and handling
• Daily drivers who want to maintain the luxury and comfort of their vehicle without aftermarket suspension upgrades