Bilstein B3 OE Replacement Air Suspension Spring

2012–2014 Mercedes-Benz CLS63 AMG Rear Left Air Suspension Spring

Part #: 40-303482

Overview

The Bilstein B3 OE Replacement (Air) suspension air bag is a high-quality component designed specifically for the rear left position of your Mercedes-Benz CLS63 AMG from 2012 to 2014. As an OE supplier for air suspension systems, Bilstein ensures that each replacement air spring meets or exceeds the original manufacturer’s standards for durability, performance, and fitment. This product is ideal for vehicle owners seeking to restore their suspension system to factory specifications without the need for extensive modifications.

If your vehicle's air suspension system is experiencing leaks, sagging, or uneven ride height, the Bilstein B3 OE Replacement air spring offers a reliable solution. Designed to seamlessly connect into the original connectors, this air spring restores proper ride height, handling, and comfort, ensuring your Mercedes-Benz maintains its intended driving dynamics. Whether you're restoring a vehicle for daily driving or maintaining a performance-oriented AMG model, this replacement part helps support optimal suspension function and ride quality.

Key Features

The Bilstein B3 OE Replacement air suspension spring incorporates several key features that make it a top choice for discerning vehicle owners and professional technicians alike:

• OE-grade construction and materials ensure compatibility and longevity, meeting or exceeding the original equipment standards.
• Designed specifically for the rear left position on the Mercedes-Benz CLS63 AMG (2012–2014), ensuring precise fitment and function.
• Connects directly into the existing air suspension system without the need for modifications, simplifying installation and reducing downtime.
• Manufactured with high-quality rubber and reinforced with durable components to withstand the stresses of daily driving and varying road conditions.
• Helps restore proper ride height, handling, and comfort by maintaining correct air pressure within the suspension system.
• Designed to support the vehicle’s load-carrying capacity and dynamic handling characteristics, especially important for AMG models with performance tuning.
• Backed by Bilstein’s reputation for quality and reliability, ensuring peace of mind and long-term performance.

Construction & Design

The Bilstein B3 OE Replacement air spring is crafted from premium-grade rubber and reinforced with robust internal components to ensure durability and consistent performance over time. Its design mirrors the original equipment, allowing for a direct bolt-in replacement that preserves the vehicle’s factory ride quality and handling characteristics. The seamless integration with the existing air suspension connectors eliminates the need for additional adapters or modifications, making installation straightforward for both professional technicians and DIY enthusiasts.

The air spring’s construction is engineered to withstand the rigors of daily driving, including exposure to varying temperatures, moisture, and road debris. Its high-quality materials help prevent leaks and premature failure, providing a reliable solution for restoring your vehicle’s suspension system to optimal condition. The precise engineering ensures that the air spring maintains the correct ride height and handling dynamics, essential for the performance and safety of your Mercedes-Benz CLS63 AMG.

Installation & Fitment

The Bilstein B3 OE Replacement air spring is a direct-fit component that connects seamlessly into your vehicle’s existing air suspension system. No cutting, drilling, or complex modifications are required, making it suitable for both professional installation and experienced DIYers. The product is designed to match the original equipment specifications, ensuring a hassle-free replacement process. Proper installation restores the suspension’s original ride height and handling characteristics, helping you maintain the vehicle’s performance and safety standards.

• Easy bolt-in installation with no modifications needed
• Connects directly to the factory air suspension system
• Restores original ride height and handling
• Supports vehicle load and dynamic performance

What's Included

• Rear left air suspension spring
• All necessary mounting hardware and connectors
• Installation instructions (if applicable)

Ideal For

• Mercedes-Benz CLS63 AMG owners needing a reliable replacement air spring
• Professionals performing suspension repairs or restorations
• Enthusiasts restoring factory ride quality and handling
• Vehicles experiencing air leaks, sagging, or uneven ride height