# Bilstein 20-109097 B4 Air Module Air Suspension Spring for 2006-2011 Mercedes-Benz Cls500 and More

### Performance Overview

Bilstein B4 Shocks and Struts are ideal as OEM replacements, and are made to guarantee factory quality performance. They feature a large-diameter body, and rely on track-proven and road ready suspension technologies. The shocks are available in a classic black finish, and are backed by a limited lifetime warranty.

### Key Features

-   B4 Series OE Replacement Air Shock Absorber

### Vehicle Fitment

-   2006 Mercedes-Benz Cls500 (Note: Base)
-   2007 Mercedes-Benz Cls550 (Note: Base)
-   2008 Mercedes-Benz Cls550 (Note: Base)
-   2009 Mercedes-Benz Cls550 (Note: Base)
-   2010 Mercedes-Benz Cls550 (Note: Base)
-   2011 Mercedes-Benz Cls550 (Note: Base)

### 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 20-109097.

**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 Cls500
-   20-109097 fitment
-   Bilstein B4 Air Module Air Suspension Spring
-   2006 Mercedes-Benz Cls500 B4 Air Module Air Suspension Spring

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2006

Mercedes-Benz

Cls500

Base

2007

Mercedes-Benz

Cls550

Base

2008

Mercedes-Benz

Cls550

Base

2009

Mercedes-Benz

Cls550

Base

2010

Mercedes-Benz

Cls550

Base

2011

Mercedes-Benz

Cls550

Base

## Details

- **Price:** 937.4 CAD
- **Vendor:** Bilstein
- **Type:** B4 Air Module Air Suspension Spring
- **Tags:** 20-109097, 2006 Mercedes-Benz Cls500, 2007 Mercedes-Benz Cls550, 2008 Mercedes-Benz Cls550, 2009 Mercedes-Benz Cls550, 2010 Mercedes-Benz Cls550, 2011 Mercedes-Benz Cls550, Automotive Parts, B4 Air Module Air Suspension Spring, Bilstein, Bilstein Suspension, Direct Replacement, Performance Suspension, Suspension

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 937.40 CAD | In stock |

## Images

- Bilstein 20-109097 B4 Air Module Air Suspension Spring for 2006-2011 Mercedes-Benz Cls500 and More

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> Source: [Standard Auto Part](www.standardautopart.com/products/bilstein-mercedes-benz-cls500-b4-air-module-20-109097)
> Updated: 2026-06-15