Subtotal:$0.00
![]() |
Rein AVZ0273P - Jounce Bumper (Front)
Product Overview
The Rein AVZ0273P Jounce Bumper is a crucial suspension component for Mercedes-Benz vehicles. Designed to prevent metal-on-metal contact during extreme suspension compression, this high-quality bump stop enhances durability and maintains ride quality. Crafted from premium rubber, it effectively cushions impacts from bumps and potholes, ensuring a smoother driving experience. If your vehicle is frequently bottoming out, it may indicate the need for inspection and replacement of the strut assembly and bump stops. Choose Rein AVZ0273P for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Rein AVZ0273P is equivalent to or replaces the following part numbers: 203 320 03 20, 203 320 04 20, 203 320 05 20, 203 320 06 20, 203 320 07 20
Vehicle Compatibility
- Mercedes-Benz CLK350 3.5 V6 (2006–2009)
- Mercedes-Benz CLK550 5.5 V8 (2007–2009)
- Mercedes-Benz C280 3.0 V6 (2007)
- Mercedes-Benz C350 3.5 V6 (2006–2007)
- Mercedes-Benz C230 2.5 V6 (2006–2007)
- Mercedes-Benz C240 2.6 V6 (2004–2005)
- Mercedes-Benz C320 3.2 V6 (2004–2005)
- Mercedes-Benz CLK320 3.2 V6 (2003–2005)
- Mercedes-Benz CLK500 5.0 V8 (2003–2006)
- Mercedes-Benz CLK55 AMG 5.5 V8 (2004–2006)
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 Rein AVZ0273P Jounce Bumper do?
This strut bump stop serves to cushion the suspension system, preventing harsh impacts that can lead to damage during extreme compression. It improves ride quality and protects other suspension components from wear and tear.
What vehicles is this part compatible with?
This part is compatible with several Mercedes-Benz models, including the CLK350, CLK550, C280, C350, C230, C240, C320, CLK320, CLK500, and CLK55 AMG across various year ranges. Please use the vehicle selector tool to confirm fitment.
What are common signs this part may need replacement?
Common signs of a failing bump stop include excessive bottoming out of the suspension, unusual noises from the suspension during travel, and visible cracks or deterioration of the bump stop material.
Can I install the Rein AVZ0273P myself?
Yes, the installation of the Rein AVZ0273P Jounce Bumper is possible for DIY enthusiasts with basic automotive knowledge. However, ensure you follow proper safety precautions and have the right tools for the job.
Why should I choose Rein for my Jounce Bumper needs?
Rein is known for its high-quality automotive parts that meet original equipment specifications. Order Rein AVZ0273P 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.
- BrandRein
- ManufacturerRein
- MPNAVZ0273P
- Part TypeJounce Bumper
- PositionFront
- FeaturesApplication Type : Application Specific
Bullet Point 1 : Rubber bump stops match the shore hardness of the original equipment bump stop to ensure maximum performance and product longevity
Bullet Point 2 : Matches Original Equipment design specifications
Bullet Point 3 : Recommend to replace bump stops in pairs to ensure best performance. Note: Bump Stop Sets contain the needed pair
Container Type : BG
Country of Origin : DE
Item Height : 2.5000
Item Length : 3.7500
Item Level GTIN : 843266048627
Item Qty : 1
Item Quantity Size : 1
Item Quantity Size UOM : EA
Item UOM : EA
Item Weight : 0.1900
Item Weight Unit UOM : LB
Item Width : 2.5000
Link to Manufacturer Page : www.reinautomotive.com
Product Desc Long 80 : Rein OE Quality Suspension Bump Stop
Product Desc Short 20 : Suspension Bump Stop
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2007 | Mercedes-Benz | C230 | Sport (2.5 V6 GAS) | Notes: w/Sport Susp. |
| 2007 | Mercedes-Benz | C280 | 4Matic (3.0 V6 GAS) | Notes: w/Sport Susp. |
| 2007 | Mercedes-Benz | C280 | Luxury (3.0 V6 GAS) | Notes: w/Sport Susp. |
| 2007 | Mercedes-Benz | CLK350 | Base (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2007 | Mercedes-Benz | C350 | 4Matic (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2007 | Mercedes-Benz | C350 | Luxury (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2007 | Mercedes-Benz | C350 | Sport (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2007 | Mercedes-Benz | CLK550 | Base (5.5 V8 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | C230 | Sport (2.5 V6 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | C280 | 4Matic (3.0 V6 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | C280 | Luxury (3.0 V6 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | CLK500 | Base (5.0 V8 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | CLK350 | Base (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | C350 | 4Matic (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | C350 | Luxury (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | C350 | Sport (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2006 | Mercedes-Benz | CLK55 AMG | Base (5.5 V8 GAS) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | C230 | Kompressor (1.8 L4 GAS) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | CLK500 | Base (5.0 V8 GAS) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | CLK320 | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | C240 | 4Matic (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | C240 | Base (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | C320 | 4Matic (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | C320 | Base (3.2 V6 FLEX) | Notes: w/Sport Susp. |
| 2005 | Mercedes-Benz | CLK55 AMG | Base (5.5 V8 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | C230 | Kompressor (1.8 L4 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | CLK500 | Base (5.0 V8 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | CLK320 | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | C240 | 4Matic (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | C240 | Base (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | C320 | 4Matic (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | C320 | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | C32 AMG | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2004 | Mercedes-Benz | CLK55 AMG | Base (5.5 V8 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | C230 | Kompressor (1.8 L4 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | CLK500 | Base (5.0 V8 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | CLK320 | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | C240 | 4Matic (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | C240 | Base (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | C320 | 4Matic (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | C320 | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | C32 AMG | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2003 | Mercedes-Benz | CLK55 AMG | Base (5.5 V8 GAS) | Notes: w/Sport Susp. |
| 2002 | Mercedes-Benz | C240 | Base (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2002 | Mercedes-Benz | C320 | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2002 | Mercedes-Benz | C32 AMG | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2001 | Mercedes-Benz | C240 | Base (2.6 V6 GAS) | Notes: w/Sport Susp. |
| 2001 | Mercedes-Benz | C320 | Base (3.2 V6 GAS) | Notes: w/Sport Susp. |
| 2009 | Mercedes-Benz | CLK350 | Base (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2009 | Mercedes-Benz | CLK550 | Base (5.5 V8 GAS) | Notes: w/Sport Susp. |
| 2008 | Mercedes-Benz | CLK350 | Base (3.5 V6 GAS) | Notes: w/Sport Susp. |
| 2008 | Mercedes-Benz | CLK550 | Base (5.5 V8 GAS) | Notes: w/Sport Susp. |
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.




