Product Details
Yellow Speed Racing Pro Sport Digressive Coilovers for the 2007-2013 Mercedes S-Class RWD (W221) are engineered to deliver exceptional handling performance with a refined balance of ride comfort. Utilizing advanced DPS Digressive (Dynamic Pro Sport Digressive) valving technology, this system provides increased damping force at low shaft speeds for improved control, while allowing greater compliance over bumps and rough roads.
The Dynamic Pro Sport Digressive system is designed for enthusiasts who want sharper handling without sacrificing everyday drivability. During cornering, braking, and acceleration, the Pro Sport Digressive valving delivers a planted, responsive feel by reducing body roll and increasing chassis stability. When encountering larger impacts such as potholes or uneven pavement, the damping force tapers off, allowing the suspension to absorb imperfections more effectively than traditional linear setups.
Each Yellow Speed Racing DPS Digressive coilover system is built to order, ensuring precise assembly and quality control. With adjustable damping and ride height, these coilovers can be fine-tuned to match your driving style—whether you're focused on aggressive street driving, autocross, or occasional track use.
Features
- DPS Digressive (Dynamic Pro Sport Digressive) valving technology
- Enhanced low-speed damping for improved handling and control
- Improved high-speed compliance for better ride comfort over bumps
- Reduced body roll and increased chassis stability
- Height adjustable for dialing in stance and performance
- Damping adjustable for customizable ride quality
- Built-to-order for precise fitment and quality assurance
- Designed for street, spirited driving, and occasional track use
Performance Characteristics
- Sharper steering response and improved cornering stability
- More planted feel during acceleration and braking
- Better absorption of potholes and road imperfections compared to linear valving
- Sport-oriented ride quality with increased road feedback
Things to Consider
- Firmer ride compared to OEM suspension, especially at lower speeds
- May introduce additional NVH (noise, vibration, harshness)
- Not intended for those seeking a soft, luxury-style ride
The Yellow Speed Racing Pro Sport Digressive coilovers are ideal for drivers who want a performance-focused suspension setup that still remains usable on the street. By combining advanced digressive damping with adjustable tuning, this system offers a versatile solution for enthusiasts looking to elevate both handling and driving experience.
Specifications
| Part Number | YS01-MB-DPS073-DS |
| Part Name | Pro Sport Digressive Coilovers |
| Vehicle | 2007-2013 Mercedes S-Class RWD |
| Chassis Code | W221 |
| Drivetrain | RWD |
| Ride-Height Adjustable | Yes |
| Adjustment Type | 1-Way (33 Levels) |
| Spring Rates - Front | 20 Kg/mm |
| Spring Rates - Rear | 14 Kg/mm |
| Top Mounts - Front | Aluminum Upper Mount |
| Top Mounts - Rear | Aluminum Upper Mount |
| Camber Plates - Front | No |
| Camber Plates - Rear | No |
| Notes | Vehicles equipped with factory airmatic suspension only |