VAICO V30-7626 Track Control Arm
Paired article numbers: V30-7625Part number of the recommended special tools: V99-1020Steering arm type: Control Arm Weight [kg]: 1,79
Stores where to buy this product
Similar products
VAICO V30-7626 Track Control Arm
The VAICO V30-7626 Track Control Arm is a precision‑engineered component designed to enhance the suspension dynamics of select Mercedes-Benz models, particularly the S-Class W221. This high‑performance arm plays a pivotal role in maintaining optimal wheel alignment, ensuring stability, and delivering superior handling characteristics.
Key Functionalities
The control arm is responsible for:
- Transmitting forces between the vehicle chassis and the wheel assembly during acceleration, braking, and cornering.
- Maintaining camber angles, which directly influence tire contact patch and grip.
- Providing structural rigidity to resist torsional stresses induced by road irregularities.
- Facilitating suspension travel while preserving the geometry required for optimal steering response.
Design and Construction
The V30-7626 is crafted from high‑strength alloy steel, offering a balance between durability and weight savings. Its design incorporates:
- A triangular shape that distributes loads evenly across the arm.
- An integrated rubber bushing (Gummilager) that dampens vibrations and reduces noise, enhancing ride comfort.
- Precision machined mounting points that align with OEM specifications for the Mercedes-Benz S-Class W221 front right side.
- A surface finish that resists corrosion, ensuring long‑term reliability even in harsh driving conditions.
Compatibility and Application
This control arm is specifically engineered for:
- Mercedes-Benz S-Class W221 models produced between 2007 and 2014.
- The front right upper track position, where it interfaces with the steering knuckle and suspension linkages.
- Vehicles equipped with a standard or upgraded suspension system that requires a robust control arm to maintain alignment integrity.
Installation Overview
Installing the V30-7626 involves:
- Removing the existing control arm by disconnecting the mounting bolts and any associated bushings.
- Aligning the new arm with the chassis and steering knuckle, ensuring that all holes match precisely.
- Tightening the mounting bolts to the specified torque settings, typically provided in the manufacturer’s service manual.
- Reinstalling the rubber bushing, which may require a specialized tool to seat it correctly without damage.
- Verifying alignment through a post‑installation wheel alignment check to confirm that camber, caster, and toe angles are within factory tolerances.
Performance Benefits
When properly installed, the VAICO V30-7626 delivers:
- Improved handling precision, especially during high‑speed cornering where suspension geometry is critical.
- Reduced wheel hop and better traction control by maintaining consistent tire contact with the road surface.
- Enhanced suspension durability due to its robust construction, which can withstand repeated stress cycles without fatigue.
- A quieter ride experience, thanks to the integrated rubber bushing that absorbs road noise and vibration.
Maintenance Tips
To preserve optimal performance:
- Inspect the control arm and bushing periodically for signs of wear or damage.
- Check bolt torque values after every major service to ensure secure mounting.
- Avoid over‑tightening, which can compromise the integrity of the rubber bushing.
- Replace the bushing if it shows visible cracking, excessive play, or loss of elasticity.
Conclusion
The VAICO V30-7626 Track Control Arm is a critical component that upholds the suspension performance standards expected from high‑end vehicles such as the Mercedes-Benz S-Class W221. Its meticulous design, superior material quality, and precise compatibility make it an ideal choice for drivers seeking to maintain or restore their vehicle’s handling excellence.

