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Bilstein 3799748 - Suspension Shock Absorber Assembly Kit (Front and Rear)
Bilstein Air Suspension Kit 3799748 for Mercedes-Benz
Kit Number: 3799748
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 44-156251 (qty 2): ensures optimal ride comfort and handling stability
Bilstein Rear B4 OE Replacement Air Shock Absorbers 24-166980 (qty 2): enhances vehicle stability and road grip
Cross Reference Numbers
Mercedes-Benz: 164 320 60 13, 164 320 20 31, 164 320 46 13, 164 320 07 31, 164 320 30 31, 164 320 43 13, 164 320 27 31, 164 320 58 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 / ML350 / 3.0V6, 2010-2011
- Mercedes-Benz / ML350 / 3.5V6, 2010-2011
- Mercedes-Benz / ML550 / 5.5V8, 2006-2011
- Mercedes-Benz / ML320 / 3.0V6, 2006-2009
- Mercedes-Benz / ML500 / 5.0V8, 2006-2007
- Mercedes-Benz / GL320 / 3.0V6, 2007
- Mercedes-Benz / ML350 / 3.5V6, 2006-2011
- Mercedes-Benz / ML320 / CDI / 3.0V6, 2008-2009
- Mercedes-Benz / ML550 / Base / 5.5V8, 2007-2009
- Mercedes-Benz / ML350 / 4Matic / 3.5V6, 2007-2011
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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.
Are these parts OEM or aftermarket?
Bilstein components in this kit are designed to meet or exceed OEM specifications, ensuring a reliable and high-quality replacement.
What is the warranty on these parts?
Bilstein typically offers a limited warranty on their products, providing peace of mind with your purchase. Please check the product details for specifics.
How long will the installation take?
Installation time may vary depending on your skill level and the specific vehicle, but many users report that this kit can be installed within a few hours.
Can I use this kit to replace just one side of my vehicle?
For optimal performance and safety, it is recommended to replace both sides of the suspension system simultaneously.
- BrandBilstein
- PositionFront and Rear
- ManufacturerBilstein
- MPNBBGL-13800-168-3799748
- 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 : (Front Air Suspension Strut) Clevis
Lower Mount Type : (Rear Shock Absorber) Clevis
Reservoir : (Front Air Suspension Strut) Yes
Reservoir : (Rear Shock Absorber) Yes
Series : (Front Air Suspension Strut) B4 OE Replacement (Air)
Series : (Rear Shock Absorber) B4 OE Replacement (Air)
Upper Mount Type : (Front Air Suspension Strut) Special
Upper Mount Type : (Rear Shock Absorber) Stem - OE Part Numbers44-156251, 44156251, 24-166980, 24166980, 164 320 58 13, 1643205813, 164 320 43 13, 1643204313, 164 320 60 13, 1643206013, 164 320 46 13, 1643204613, 164 320 07 31, 1643200731, 164 320 30 31, 1643203031, 164 320 20 31, 1643202031, 164 320 27 31, 1643202731
- Cross Reference NumbersBBGL138001683799748, F4-BL5-F625-H0, F4BL5F625H0, BL5-F625, BL5F625, BE5-G698, BE5G698, F4-BE5-G698-H0, F4BE5G698H0
- Part TypeSuspension Shock Absorber Assembly Kit
- Kit Content2 x Bilstein - (24-166980) Rear B4 OE Replacement Air Shock Absorbers
2 x Bilstein - (44-156251) Front B4 OE Replacement Air Suspension Spring Struts
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2011 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2011 | Mercedes-Benz | ML350 | Base (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2011 | Mercedes-Benz | ML350 | Bluetec 4Matic (3.0 V6 DIESEL) | Front Spring: Air, Rear Spring: Air |
| 2011 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Front Spring: Air, Rear Spring: Air |
| 2010 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2010 | Mercedes-Benz | ML350 | Base (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2010 | Mercedes-Benz | ML350 | Bluetec 4Matic (3.0 V6 DIESEL) | Front Spring: Air, Rear Spring: Air |
| 2010 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Front Spring: Air, Rear Spring: Air |
| 2009 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2009 | Mercedes-Benz | ML350 | Base (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2009 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Front Spring: Air, Rear Spring: Air |
| 2009 | Mercedes-Benz | ML320 | Bluetec 4Matic (3.0 V6 DIESEL) | Front Spring: Air, Rear Spring: Air |
| 2008 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2008 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Front Spring: Air, Rear Spring: Air |
| 2008 | Mercedes-Benz | ML320 | CDI (3.0 V6 DIESEL) | Front Spring: Air, Rear Spring: Air |
| 2007 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Front Spring: Air, Rear Spring: Air |
| 2007 | Mercedes-Benz | GL320 | CDI (3.0 V6 DIESEL) | Front Spring: Air, Rear Spring: Air, Notes: With Electronic Suspension |
| 2007 | Mercedes-Benz | ML320 | CDI (3.0 V6 DIESEL) | Front Spring: Air, Rear Spring: Air |
| 2007 | Mercedes-Benz | ML500 | Base (5.0 V8 GAS) | Front Spring: Air, Rear Spring: Air |
| 2006 | Mercedes-Benz | ML350 | 4Matic (3.5 V6 GAS) | Front Spring: Coil, Rear Spring: Coil, Notes: With Air Suspension |
| 2006 | Mercedes-Benz | ML500 | Base (5.0 V8 GAS) | Front Spring: Coil, Rear Spring: Coil, Notes: With Air 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.





