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Bilstein 37-172305 - Coil Spring (Front)
Product Overview
The Bilstein Coil Spring 37-172305 is engineered to deliver premium performance and exceptional durability for select Mercedes-Benz models. Designed specifically for standard suspension systems, this heavy-duty coil spring ensures a smooth and stable ride, enhancing your vehicle's handling and overall comfort. As a trusted OEM supplier, Bilstein provides parts that meet or exceed original equipment standards, ensuring reliability and longevity. Choose Bilstein 37-172305 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bilstein 37-172305 is equivalent to or replaces the following part numbers: 204 321 04 04, 17228, F4-FE1-H230-H0, 4056876, FE1-H230.
Vehicle Compatibility
- Mercedes-Benz C250 1.8L4 (2012)
- Mercedes-Benz C300 3.0 V6 (2011–2012)
- Mercedes-Benz C300 3.0 V6 (2010)
- Mercedes-Benz C300 3.0 V6 (2009)
- Mercedes-Benz C300 3.0 V6 (2008)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Bilstein 37-172305 Coil Spring do?
The coil spring plays a crucial role in your vehicle's suspension system, supporting the weight of the vehicle, absorbing shocks, and maintaining ride height for improved handling and comfort.
How do I know if my Coil Spring needs replacement?
Common signs that the coil spring may need replacement include excessive bouncing or swaying during rides, uneven tire wear, or visible damage to the spring itself. If you notice any of these symptoms, it's advisable to inspect the suspension system.
Can I install the Bilstein 37-172305 myself?
Yes, the Bilstein 37-172305 can be installed as a DIY project, but it is essential to have the right tools and knowledge of suspension systems. If you are unsure, consult a professional mechanic.
What are the symptoms of a faulty Coil Spring?
Symptoms of a faulty coil spring include a rough ride, excessive body roll during turns, and noticeable sagging of the vehicle. If you experience these issues, it is advisable to inspect your suspension system.
Why should I choose Bilstein for my Coil Spring needs?
Bilstein is known for high-quality, reliable suspension components. Order Bilstein 37-172305 today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandBilstein
- ManufacturerBilstein
- MPN37-172305
- Part TypeCoil Spring
- PositionFront
- OE Part Numbers204 321 04 04, 2043210404
- Cross Reference Numbers37172305, FE1-H230, FE1H230, F4-FE1-H230-H0, F4FE1H230H0, 4056876, 17228
- FeaturesCalifornia Proposition 65 : WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
Finish : Black Powder Coat
Series : B3 OE Replacement
Title : Bilstein Shock Absorbers
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2008 | Mercedes-Benz | C300 | Sport (3.0 V6 GAS) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2008 | Mercedes-Benz | C300 | Luxury (3.0 V6 FLEX) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2009 | Mercedes-Benz | C300 | Sport (3.0 V6 GAS) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2009 | Mercedes-Benz | C300 | Luxury (3.0 V6 FLEX) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2010 | Mercedes-Benz | C300 | Sport (3.0 V6 GAS) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2010 | Mercedes-Benz | C300 | Luxury (3.0 V6 GAS) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2011 | Mercedes-Benz | C300 | Sport (3.0 V6 GAS) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2011 | Mercedes-Benz | C300 | Luxury (3.0 V6 GAS) | Notes: Heavy Duty Version for Standard Suspension Only |
| 2012 | Mercedes-Benz | C250 | Base (1.8 L4 GAS) | Notes: Heavy Duty Version for Standard Suspension Only |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.








