Performance Overview

Bilstein Air Spring with Monotube or Twintube Shock Absorber has been engineered to be the economical choice for maintaining OEM ride performance while incorporating Bilstein's world-famous durability and precise construction.

Key Features

• Bilstein Air Spring with Monotube or Twintube Shock Absorber has been engineered to be the economical choice for maintaining OEM ride performance while incorporating Bilstein's world-famous durability and precise construction.

Vehicle Fitment

• 2021 Mercedes-Benz S500 (Note: 4Matic)
• 2022 Mercedes-Benz S500 (Note: 4Matic)
• 2023 Mercedes-Benz S500 (Note: 4Matic)
• 2024 Mercedes-Benz S500 (Note: 4Matic)
• 2025 Mercedes-Benz S500 (Note: 4Matic)
• 2021 Mercedes-Benz S580 (Note: 4Matic)
• 2022 Mercedes-Benz S580 (Note: 4Matic)
• 2023 Mercedes-Benz S580 (Note: 4Matic)

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

What part number is this?
The listed part number is 44-400187.

Is this product designed for direct replacement?
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

Common Searches

• B4 Air Module Air Suspension Spring for Mercedes-Benz S500
• 44-400187 fitment
• Bilstein B4 Air Module Air Suspension Spring
• 2021 Mercedes-Benz S500 B4 Air Module Air Suspension Spring

Vehicle Fitment Table