Bilstein B4 OE Replacement

2014–2016 Mercedes-Benz S550 Rear Left Air Suspension Spring

Part #: 44-239985

Overview

The Bilstein B4 OE Replacement rear left air suspension spring is a high-quality component designed specifically for your Mercedes-Benz S550 from the 2014 to 2016 model years. As an OE supplier, Bilstein has a long-standing reputation for manufacturing suspension components that meet or exceed the original equipment standards, ensuring your vehicle maintains its factory ride quality and handling characteristics.

This air suspension spring is engineered to restore the original suspension performance of your Mercedes-Benz, providing a smooth, comfortable ride while maintaining proper vehicle height and alignment. Whether your existing spring has worn out, become damaged, or you’re restoring your suspension system, this OE replacement part offers a direct-fit solution that simplifies installation and guarantees reliable performance.

Key Features

Designed with precision and durability in mind, the Bilstein B4 OE Replacement air suspension spring offers several key benefits:

• OE Quality Construction: Manufactured to meet or surpass the original specifications set by Mercedes-Benz, ensuring perfect fitment and performance.
• Direct Replacement: Connects seamlessly to the original connectors and mounting points without modifications, making installation straightforward and hassle-free.
• Durable Materials: Crafted from high-quality steel and reinforced with advanced coatings to resist corrosion, rust, and fatigue over time.
• Maintains Factory Ride: Restores the vehicle’s original ride height, handling, and comfort, ensuring your Mercedes-Benz drives like new.
• Enhanced Reliability: Designed to withstand the rigors of daily driving, providing long-lasting performance and peace of mind.
• Vehicle Compatibility: Specifically engineered for the Mercedes-Benz S550 models from 2014 to 2016, ensuring precise fitment and optimal suspension function.

Construction & Design

The Bilstein B4 OE Replacement air suspension spring features a robust steel construction with a specialized coating that protects against corrosion and environmental damage. Its design adheres strictly to OE specifications, ensuring perfect compatibility with your vehicle’s suspension system. The spring’s precise dimensions and mounting points guarantee a secure fit, restoring your vehicle’s original ride height and handling characteristics.

Built for durability, this spring is engineered to endure the stresses of everyday driving, including rough roads and varying weather conditions. Its seamless integration with the existing air suspension system ensures that your Mercedes-Benz maintains its factory comfort and performance levels without the need for additional modifications.

Installation & Fitment

The Bilstein B4 OE Replacement rear left air suspension spring is designed for a straightforward, bolt-on installation. It connects directly to the existing air suspension system without the need for modifications, cutting, or drilling. Typically, installation involves removing the wheel and existing spring assembly, then replacing it with the new OE spring. No special tools or tuning are required, making this an accessible upgrade or repair for both professional technicians and experienced DIY enthusiasts.

• Direct-fit OE replacement for seamless installation
• No cutting, drilling, or tuning required
• Restores original ride height and handling

What's Included

• Rear left air suspension spring
• Installation hardware and mounting components

Ideal For

• Mercedes-Benz S550 owners needing to replace worn or damaged air suspension springs
• Enthusiasts restoring factory ride quality and handling
• Professionals performing suspension repairs or upgrades