139.02 GBP
BILSTEIN 22-239242 Shock Absorber B4
The BILSTEIN Shock Absorber, model B4, is an original equipment replacement for a wide range of vehicles.
Stores where to buy this product
Bilstein 22-239242 Shock Absorber B4
The Bilstein 22-239242 Shock Absorber B4 is a high‑performance, OEM‑grade suspension component engineered to deliver superior ride quality and handling precision for the Mercedes‑Benz C‑Class W203 (2000–2007). Designed with Bilstein’s renowned B4 technology, this shock absorber offers enhanced damping characteristics, improved durability, and a seamless fitment that matches factory specifications.
Key Design Features
- Gas‑Pressurized Damping: The B4 series incorporates a sealed gas chamber that reduces cavitation, ensuring consistent damping across all operating temperatures.
- Dual‑Rod Construction: A robust dual‑rod design provides superior structural integrity and resistance to fatigue under high‑load conditions.
- Pre‑Tuned for Mercedes‑Benz C‑Class: The shock’s damping curves are calibrated specifically for the W203 platform, offering optimal balance between comfort and performance.
- Extended Service Life: High‑quality materials and precision machining extend the service life beyond typical aftermarket replacements.
Compatibility Overview
The 22-239242 model is engineered to fit a wide range of Mercedes‑Benz C‑Class variants, including:
- C‑Class W203 (2000–2007) – front suspension.
- CLK C209 models with 1.8–3.5 L engines.
- All standard chassis configurations that use the B4 series shock absorber.
Its dimensions and mounting points match OEM specifications, allowing for a direct swap without modification to the vehicle’s suspension geometry.
Performance Benefits
- Improved Road Holding: The precise damping profile reduces body roll and enhances cornering stability.
- Enhanced Comfort: By effectively absorbing road irregularities, the shock absorber delivers a smoother ride for occupants.
- Consistent Handling Across Conditions: Whether driving on wet or dry roads, the B4’s design maintains predictable handling characteristics.
- Reduced Wear on Suspension Components: By controlling suspension movement more effectively, it lessens stress on bushings, mounts, and other related parts.
Installation Guidance
Installing the Bilstein 22-239242 Shock Absorber B4 is straightforward for technicians familiar with front‑end suspension work. Key steps include:
- Remove Existing Shock: Detach the old shock absorber from both the upper and lower mounting points, ensuring all bolts are properly torqued.
- Inspect Mounting Hardware: Check for wear or damage on brackets and bushings; replace if necessary to maintain alignment.
- Position New Shock: Align the new B4 shock with the mounting points, ensuring the gas port is oriented correctly as per OEM instructions.
- Tighten Fasteners: Secure all bolts to manufacturer specifications, using a calibrated torque wrench for precision.
- Verify Alignment: Confirm that the shock absorber sits flush with the suspension frame and does not interfere with other components.
After installation, perform a test drive to confirm proper operation. The B4’s design should feel noticeably smoother compared to stock shocks, especially over uneven road surfaces.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 22-239242 |
| Series | B4 |
| Type | Gas‑Pressurized Shock Absorber |
| Application | Front Suspension – Mercedes‑Benz C‑Class W203 (2000–2007) |
| Damping Characteristics | Pre‑tuned for optimal balance between comfort and handling |
| Mounting Type | Dual‑Rod with OEM‑compatible brackets |
| Material | High‑strength steel alloy, sealed gas chamber |
| Weight | Approximately 4.5 kg (varies by specific variant) |
| Dimensions | Length: ~350 mm; Diameter: ~80 mm (subject to exact model) |
Why Choose Bilstein B4?
The Bilstein 22-239242 Shock Absorber B4 is more than a replacement part; it’s an upgrade that preserves the integrity of your vehicle’s suspension system while delivering measurable improvements in ride quality and handling. Its OEM compatibility guarantees that every component functions as intended, maintaining safety standards and performance expectations.
Whether you’re restoring a classic Mercedes‑Benz C‑Class or simply seeking to enhance daily driving comfort, the Bilstein 22-239242 Shock Absorber B4 stands out as the definitive choice for drivers who demand reliability, precision, and uncompromised performance.
Maintenance Tips
- Regularly inspect shock absorber mounts for corrosion or wear.
- Check for any signs of fluid leakage; a sealed gas chamber should remain intact.
- After significant off‑road use, consider having the suspension inspected by a qualified technician to ensure all components remain within specifications.
By adhering to these guidelines, you can extend the life of your Bilstein B4 shocks and continue enjoying the benefits they provide for years to come.
| This product in Comparor | |
|---|---|
|
Category
This product is cataloged in our store in these categories
|
- Shock Absorbers |
|
International
Find this product in one of our international stores
|
|
| Colors
Predominant colors of the product |
|
| Tags | Mercedes C Class BILSTEIN B4 Shock |
| Identifiers | |
| Brand | ![]() Bilstein is a brand of shock absorbers and struts. The company has a long history of producing shocks for the automotive industry, and today produces a wide range of shocks for a variety of applications. Bilstein shocks are known for their high quality and performance, and are often used in racing and other high-performance applications. |
| Model | Bilstein 22-239242 |
| MPN | Bilstein 22-239242 |
| ID | 7001405 |
| Dimensions / Weight | |
| Key Features | |

