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Bilstein 3799783 - Suspension Shock Absorber Assembly Kit (Front and Rear)
Bilstein Air Suspension Kit 3799783 for Mercedes-Benz
Kit Number: 3799783
Upgrade your air suspension in one go-Bilstein’s precision-engineered components deliver OE-level fit, reliable durability, and a simplified install experience.
What’s Included in This Kit
Bilstein Front B4 OE Replacement Air Suspension Spring Struts 44-156268 (qty 2): ensures optimal ride height and comfort
Bilstein Rear B4 OE Replacement Shock Absorbers 24-166997 (qty 2): improves stability and handling during all driving conditions
Cross Reference Numbers
Mercedes-Benz: 164 320 11 31, 164 320 21 31, 164 320 28 31, 164 320 31 31, 164 320 44 13, 164 320 59 13
Vehicle Compatibility
This kit fits some of the popular models below and more. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.
- Mercedes-Benz / GL450 / 4.7V8, 2007-2012
- Mercedes-Benz / GL550 / 5.5V8, 2007-2012
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Frequently Asked Questions
Does this kit include everything I need for a full install?
This kit includes commonly replaced components for air suspension repairs, selected to save time and ensure compatibility. Please check what's included to confirm it meets your needs.
What is the benefit of using Bilstein components?
Bilstein components are engineered to meet or exceed OE specifications, ensuring improved performance and longevity of your suspension system.
Are these parts easy to install?
Designed for a straightforward installation, this kit helps simplify the process, allowing you to get back on the road quickly.
What should I do if I experience issues after installation?
We recommend consulting a professional mechanic if you encounter any issues post-installation to ensure proper handling of your vehicle's suspension system.
- BrandBilstein
- PositionFront and Rear
- ManufacturerBilstein
- MPNBBGL-13800-168-3799783
- FeaturesBoot Included : (Rear Shock Absorber) Black Straight
California Proposition 65 : WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
Finish : (Front Air Suspension Strut) Black Paint
Finish : (Rear Shock Absorber) Black Paint
Internal Design : (Front Air Suspension Strut) Monotube
Internal Design : (Rear Shock Absorber) Monotube
Lower Mount Type : (Rear Shock Absorber) Clevis
Series : (Front Air Suspension Strut) B4 OE Replacement (Air)
Series : (Rear Shock Absorber) B4 OE Replacement (Air)
Upper Mount Type : (Rear Shock Absorber) Double Stud - OE Part Numbers44-156268, 44156268, 24-166997, 24166997, 164 320 59 13, 1643205913, 164 320 44 13, 1643204413, 164 320 11 31, 1643201131, 164 320 28 31, 1643202831, 164 320 21 31, 1643202131, 164 320 31 31, 1643203131
- Cross Reference NumbersBBGL138001683799783, F4-BL5-F626-H0, F4BL5F626H0, BL5-F626, BL5F626, BE5-G699, BE5G699, F4-BE5-G699-H0, F4BE5G699H0
- Part TypeSuspension Shock Absorber Assembly Kit
- Kit Content2 x Bilstein - (24-166997) Rear B4 OE Replacement Shock Absorbers
2 x Bilstein - (44-156268) Front B4 OE Replacement Air Suspension Spring Struts
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2012 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Electronic Suspension |
| 2012 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Electronic Suspension |
| 2011 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Electronic Suspension |
| 2011 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Electronic Suspension |
| 2010 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Electronic Suspension |
| 2010 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Electronic Suspension |
| 2009 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Electronic Suspension |
| 2009 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | |
| 2008 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Electronic Suspension |
| 2008 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | |
| 2007 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Electronic Suspension |
Warranty Overview
At Newparts, 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, use our Return Portal or contact support.
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 full details, please see our complete 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.





