Reduced Rear Sag
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★★★★★
4.9 stars · 1,422 reviews
17,322+ customers
"Thousands of Sprinter owners said the same thing after installing: 'Why didn't I do this years ago?'"
SSR-329-47 Rear Air Helper Spring Kit For Mercedes Sprinter 2500
Improved Load Stability
Reduced Body Roll
Progressive Rear Support
Stock at this price is nearly gone. Free shipping drops when these sell out.
★★★★★
"Installed the SSR-329-47 in under 30 minutes and the difference was immediate. The van no longer squats when I load it down. Towing feels completely planted, sits level now. No air lines, no compressor, nothing to check. Wish I had done this years ago."
Marcus D.
2018 Sprinter 2500 144" · Verified purchase
Sprinter Source forum recommendation, 3+ years running
| BenzViralz | Others | |
|---|---|---|
Vehicle-Specific Fitment Engineered for Sprinter and Ford suspension geometry. | ||
Reduced Squat Under Load Holds the van level when carrying cargo or towing. | ||
Progressive Load Support Firms up as weight increases for smoother, controlled travel. | ||
Airless Bolt-On Design No air systems or adjustments. Installs using factory mounts. |
Why You'll Love These Helper Springs
Reduces Squat Under Load
Enhances Load Stability
Smoother Loaded Ride
Better Towing Stability
Reduced Body Roll & Sway
Zero Maintenance, No Air Needed
30-Day Money Back Guarantee
We're confident you'll feel the difference immediately. If these helper springs don't level out your load and improve your ride control, send them back for a full refund.
17,322+ Happy Van Owners
JM
Jason M. ✔ Verified
★★★★★
"I didn't realize how much the van was squatting until I installed these. Loads level now and it just feels more planted. Simple upgrade but a huge difference."
RT
Ryan T. ✔ Verified
★★★★★
"I tow and haul a lot, and the suspension always felt loose under weight. After installing these the van feels tighter and more stable, especially in corners."
BS
Brandon S. ✔ Verified
★★★★★
"I was getting a lot of sway and body roll loaded up. Bolted these on in minutes and the ride feels noticeably smoother and more controlled. Definitely worth it."
DW
Derek W. ✔ Verified
★★★★★
"Loaded over 600lbs of gear and it stayed level the whole drive. No air to mess with and zero maintenance. Best money I've spent on the van."
MR
Mike R. ✔ Verified
★★★★★
"Van used to sag hard every time I loaded it up. These fixed it completely. Takes about half an hour to install and the difference is night and day."
TH
Tyler H. ✔ Verified
★★★★★
"Body roll on corners was always my biggest complaint. After these the van feels like it's on rails when loaded. Super easy install and no air to deal with."
CV
Carlos V. ✔ Verified
★★★★★
"I tow a trailer every weekend and it always felt floaty. Now it stays planted and confident no matter the load. Wish I had installed these years ago."
KL
Kevin L. ✔ Verified
★★★★★
"Love that there's no compressor or pressure to check. Polyurethane just does its job. Hauled a full load on rough roads and it stayed solid the whole way."
JM
Jason M. ✔ Verified
★★★★★
"I didn't realize how much the van was squatting until I installed these. Loads level now and it just feels more planted. Simple upgrade but a huge difference."
RT
Ryan T. ✔ Verified
★★★★★
"I tow and haul a lot, and the suspension always felt loose under weight. After installing these the van feels tighter and more stable, especially in corners."
BS
Brandon S. ✔ Verified
★★★★★
"I was getting a lot of sway and body roll loaded up. Bolted these on in minutes and the ride feels noticeably smoother and more controlled. Definitely worth it."
DW
Derek W. ✔ Verified
★★★★★
"Loaded over 600lbs of gear and it stayed level the whole drive. No air to mess with and zero maintenance. Best money I've spent on the van."
MR
Mike R. ✔ Verified
★★★★★
"Van used to sag hard every time I loaded it up. These fixed it completely. Takes about half an hour to install and the difference is night and day."
TH
Tyler H. ✔ Verified
★★★★★
"Body roll on corners was always my biggest complaint. After these the van feels like it's on rails when loaded. Super easy install and no air to deal with."
CV
Carlos V. ✔ Verified
★★★★★
"I tow a trailer every weekend and it always felt floaty. Now it stays planted and confident no matter the load. Wish I had installed these years ago."
KL
Kevin L. ✔ Verified
★★★★★
"Love that there's no compressor or pressure to check. Polyurethane just does its job. Hauled a full load on rough roads and it stayed solid the whole way."
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60k+ Mercedes Community Members
Over 34,245 Successfully Shipped Orders
Free Fast Shipping
24/7 Prime customer support
Premium Parts
Satisfaction Guaranteed
Save Up To 75% Off
Spring Clearance + Tax Return Offer
Plus Free Shipping
Multiple Flexible Payment Methods Available
IMPROVE REAR CONTROL IN
Your Sprinter Van
Your van shouldn't feel unstable, saggy, or unbalanced when towing, hauling cargo, or driving uneven roads. The Rear Helper Springs Kit adds progressive polyurethane support that keeps your suspension level, controlled, and stable, so your van stays confident and composed no matter the load or terrain.
Reduces Rear-End Sag
Helps maintain proper ride height when towing, hauling cargo, or carrying tools and equipment.
Stabilizes Load & Towing Control
Improves rear suspension stability during acceleration, cornering, and uneven terrain.
Progressive Rear Support
Automatically increases resistance under load for smoother, controlled suspension movement.
Maintenance-Free Upgrade
No compressors, no air lines, and no adjustments, just reliable polyurethane support every drive.
WATCH HOW THESE HELPER SPRINGS CHANGED THEIR DRIVE
Real Reviews. Real Sprinter & Van Owners.
ELEVATE YOUR RIDE
★★★★★ Rated 4.9/5 by 1,422+
WHAT 17,322 SPRINTER OWNERS REPORTED
96%
Reported Immediate Comfort Improvement
92%
Said Loaded Drives Feel Way More Stable
$800+
Saved by avoiding suspension wear, premature tire wear, and costly upgrades
Stop dealing with rear-end squat, sag, and unstable body movement. Add progressive polyurethane rear support, improve load balance, and enjoy a smoother, more controlled drive whether you're towing, hauling cargo, or hitting uneven roads.
ENGINEERED FOR EXACT
Sprinter 2500 Fitment
Built from micro-cellular polyurethane, the SSR-329-47 Rear Helper Springs provide progressive rear-suspension support to help manage added weight and suspension compression. They compress smoothly under load and return to full height when unloaded, helping maintain rear ride height, improve weight distribution, and deliver better stability and control whether you're towing, hauling cargo, or driving uneven terrain. No air lines, no compressor, no maintenance.
DESIGNED EXCLUSIVELY FOR:
Mercedes-Benz Sprinter 2500 4x2 (2010–2016)
Mercedes-Benz Sprinter 2500 4x4 (2016–2026)
Freightliner Sprinter 2500 4x2 (2002–2016)
Dodge Sprinter 2500 4x2 (2004–2009)
INSTALL IN MINUTES. Feel It Instantly.
Remove Factory Bump Stops
Lift the rear of your van and remove the factory bump stops from the rear suspension mounting points.
Position the Helper Springs
Place the SSR-329-47 Rear Helper Springs into the factory bump stop location on the rear suspension.
Secure the Mounting Bolt
Tighten the included hardware to lock the helper springs securely in place.
Drive & Feel the Difference
Lower the van and enjoy improved rear support, reduced squat under load, and a smoother, more controlled ride.
BENZVIRALZ HELPER SPRINGS VS GENERIC BUMP STOPS
| BENZVIRALZ HELPER SPRINGS | GENERIC BUMP STOPS | |
|---|---|---|
| Progressive Load Support | ✔ | ✖ |
| Micro-Cellular Polyurethane Construction | ✔ | ✖ |
| 1,400 lb Compression Capacity | ✔ | ✖ |
| Maintains Suspension Geometry | ✔ | ✖ |
| Long-Term Durability | ✔ | ✖ |
| No Maintenance Required | ✔ | ✖ |
FEATURES
Reduces rear-end sag and body roll under load
Improves handling, ride comfort, and stability
Enhances load support and towing control
Progressive spring rate for smooth, consistent damping
Eliminates the need for air systems, zero maintenance required
Easy bolt-on installation using factory mounting points
Superior vibration-damping properties
SPECIFICATIONS
Model
SSR-329-47
Load Capacity
1,400 lbs at 50% compression
Material
Micro-cellular polyurethane
Compression
Up to 50% with full rebound memory
Includes
Left & Right pair
Install Type
Bolt-on, no modifications needed
Maintenance
Zero, no air lines or adjustments
COMPLETE YOUR SUSPENSION WITH FRONT + REAR SUPPORT
Without front support, your van still dives and feels unstable under braking.
Pick your vehicle type and get the complete kit.
Pick your vehicle type and get the complete kit.
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FREQUENTLY ASKED QUESTIONS
What vehicles are the rear helper springs compatible with?
+
The SSR-329-47 is designed to fit the Mercedes-Benz Sprinter 2500 (2010–2026), Freightliner Sprinter 2500 (2002–2016), and Dodge Sprinter 2500 (2004–2009). Check the fitment list above for exact configuration and year compatibility.
How do the rear helper springs improve my ride?
+
They add progressive support to your rear suspension, reducing squat and sag under load, improving stability while towing, and keeping your van level and controlled on uneven terrain.
Will these make my rear ride stiff?
+
No. The micro-cellular polyurethane compresses progressively, it only engages under load, so your everyday unladen ride stays comfortable and smooth.
Is the rear installation difficult?
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Not at all. The rear helper springs bolt directly into the factory bump stop location using basic hand tools. Most installs take under 30 minutes with no drilling or modifications required.
Do the rear springs require any maintenance?
+
Zero maintenance required. No air compressors, no air lines, no adjustments, they work automatically and reliably every time you load up or hit the road.
Will these help when towing or hauling heavy loads?
+
Yes. The SSR-329-47 is specifically designed to manage added rear weight. It helps maintain ride height, reduce body roll, and improve load stability whether you're towing a trailer or hauling cargo and equipment.
How long does shipping take and can I track my order?
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Shipping times and costs vary by location and are shown clearly at checkout. Once your order ships, you'll receive tracking information to follow your package every step of the way.
What warranty or protection do I get with my order?
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Your satisfaction is our priority. If your package is lost or arrives damaged, you may be eligible for a replacement or refund. Orders can be canceled within 6 hours. After delivery, you have 7 business days to request a replacement or refund, no return shipping required. Support team available 24/7.