Performance Overview

Bilstein B3 Series Coil Springs are the ideal OE replacement for your vehicle's springs, providing Bilstein's proven quality and durability. The B3 Springs offer a perfect match to your specific vehicle's shock absorbers, while protecting them from the elements with a corrosion-resistant finish. Choose Bilstein's uncompromising quality and direct-fit and order your B3 Series Coil Over Springs today!

Key Features

• Bilstein B3 Series Coil Springs are the ideal OE replacement for your vehicle's springs, providing Bilstein's proven quality and durability.
• The B3 Springs offer a perfect match to your specific vehicle's shock absorbers, while protecting them from the elements with a corrosion-resistant finish.
• Choose Bilstein's uncompromising quality and direct-fit and order your B3 Series Coil Over Springs today!

Vehicle Fitment

• 2015 Mercedes-Benz Cls400 (Position: Rear Left; Note: Base; With Rear Air Springs)
• 2016 Mercedes-Benz Cls400 (Position: Rear Left; Note: Base; With Rear Air Springs)
• 2012 Mercedes-Benz Cls550 (Position: Rear Left; Note: 4Matic, Base)
• 2013 Mercedes-Benz Cls550 (Position: Rear Left; Note: 4Matic, Base)
• 2014 Mercedes-Benz Cls550 (Position: Rear Left; Note: 4Matic, Base)
• 2015 Mercedes-Benz Cls550 (Position: Rear Left; Note: 4Matic, Base; With Rear Air Springs)
• 2016 Mercedes-Benz Cls550 (Position: Rear Left; Note: 4Matic, Base; With Rear Air Springs)
• 2017 Mercedes-Benz Cls550 (Position: Rear Left; Note: 4Matic, Base; With Rear Air Springs)

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 40-303444.

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

• B3 Series Rear Left Air Suspension Spring for Mercedes-Benz Cls400
• 40-303444 fitment
• Bilstein B3 Series Rear Left Air Suspension Spring
• Rear Left B3 Series Rear Left Air Suspension Spring
• 2015 Mercedes-Benz Cls400 B3 Series Rear Left Air Suspension Spring

Vehicle Fitment Table