-9%
Sold out
Click to zoom in
SKU: ASTLS-14-1184
AST 1972-1982 Mercedes-Benz 107-Series Lowering Springs - 40mm/40mm
AST Lowering Springs deliver a 40mm drop front and rear for 1972-1982 Mercedes-Benz 107-Series vehicles including SL and SLC models. These direct OEM replacements lower the center of gravity to sharpen handling while keeping the familiar ride comfort. Developed specifically for each model using premium spring steel they balance performance and daily drivability perfectly.
Key Features
- 40mm Front/Rear Drop: Reduces center of gravity for better cornering stability and road feel without sacrificing ride quality
- Progressive Spring Rate: Provides linear response that absorbs bumps smoothly while firming up under load for track-ready control
- Vehicle-Specific Design: Engineered exclusively for 107-Series chassis ensuring precise fit and OEM-like alignment
- Premium Wafios-Coiled Steel: Crafted on advanced Wafios machines from high-tensile steel for durability and consistent performance
- Lifetime Warranty: Guaranteed against breakage and sagging for long-term reliability on street or spirited drives
Product Notes
- Direct bolt-on replacement for factory springs no modifications required
- Pair with stock shocks or upgrade to coilovers for full suspension refresh
- Special order item verify stock before purchase
Installation Notes
- Professional installation recommended.
- Use spring compressor tool to safely remove OEM springs
- Compatible with factory struts and mounts torque to Mercedes specs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1974-1981 | Mercedes-Benz | 280SL | Base |
| 1972-1980 | Mercedes-Benz | 350SL | Base |
| 1973-1980 | Mercedes-Benz | 450SL | Base |
| 1975-1980 | Mercedes-Benz | 450SLC | Base |
| 1980-1982 | Mercedes-Benz | 380SL | Base |
| 1981 | Mercedes-Benz | 380SLC | Base |
| 1980-1982 | Mercedes-Benz | 500SL | Base |
Why Choose AST?
- Proven leader in suspension components for European classics
- High-strength materials resist fatigue over decades of use
- Precision engineering matches OEM tolerances for flawless integration
Frequently Asked Questions
-
Q: Will these fit my 1978 Mercedes 450SL?
A: Yes fits 1973-1980 450SL Base models as direct OEM replacement with 40mm drop front and rear -
Q: What material are the springs made from?
A: High-tensile spring steel coiled on Wafios machines for strength corrosion resistance and progressive performance -
Q: What does the lifetime warranty cover?
A: Protects against manufacturing defects including breakage and sagging when installed properly
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure boxed set 18 x 7 x 7 inches
- Weight: 22 lbs
AST
AST Suspension builds some of the most precisely engineered dampers available for performance and competition vehicles. Whether you're building a dedicated track car, a dual-purpose street/track machine, or a show car that needs dialed-in stance and handling, AST's lineup of coilovers and shock absorbers delivers the adjustability and build quality serious drivers demand.Popular UpgradesThe AST 4100 series coilovers are a favorite for street-driven enthusiasts wanting meaningful performance gains without sacrificing ride quality. The 4150 and 5100 series step up to more aggressive damping curves suited to autocross and circuit work. AST also offers remote reservoir setups and custom valving for purpose-built race applications where every tenth matters.Are AST coilovers adjustable for ride height?Yes. AST coilovers feature threaded spring perch adjustment, allowing you to dial in ride height independently of shock travel. Many models also offer rebound and compression damping adjustm...
View AST Products
Lowering Springs
Shop lowering springs at Black Ops Auto Works for improved stance, reduced wheel gap, sharper handling, better road feel, and a more aggressive performance look. This collection includes sport springs, performance lowering springs, SUV lowering springs, Pro-Kit springs, Spec-R springs, Super Sport springs, OE sport springs, lowering coil kits, front lowering springs, rear lowering springs, and vehicle-specific suspension upgrades for cars, trucks, SUVs, EVs, muscle cars, and performance platforms. Use this Lowering Springs collection to find the right spring setup by vehicle platform, drop amount, brand, suspension type, and driving goal. Lowering springs are a popular suspension upgrade for drivers who want a lower stance, improved cornering stability, reduced body roll, better wheel fitment, and a cleaner appearance without moving to a full coilover system. Shop Lowering Springs by Category Black Ops Auto Works carries lowering springs and performance spring upgrades across key ca...
View Lowering Springs Products
Suspension
Shop aftermarket suspension parts and kits from Bilstein, KW Suspension, Ohlins, Fox, KING, ICON Vehicle Dynamics, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS Suspension, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Find coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, subframe braces, alignment kits, air suspension systems, and vehicle-specific suspension packages for cars, trucks, SUVs, Jeeps, and off-road builds. Start with a matched shock-and-spring package or a full coilover kit before layering in sway bars, chassis bracing, and camber adjustment hardware. Shop by category, brand, vehicle year, make, model, and trim. Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what factory suspension provides. From lowering springs and coilover kits for s...
View Suspension Products