VAICO V30-40002 Brake Disc

Overview

The VAICO V30-40002 Brake Disc is a high‑performance braking component engineered for the rear axle of classic and modern Mercedes‑Benz vehicles. Designed with precision machining and premium materials, this disc delivers reliable stopping power while maintaining durability under demanding driving conditions.

Design & Materials

The disc features a 279 mm diameter rim that matches the original specifications of many Mercedes models, ensuring a seamless fit. Its construction utilizes a high‑strength steel alloy with an integrated heat‑resistant coating, which protects against thermal fatigue and corrosion. The surface is finished to a fine grit, providing optimal friction contact for brake pads.

Key design elements include:

• Ventilated structure – internal channels allow heat to dissipate efficiently, reducing the risk of brake fade.
• Deep‑cut grooves – enhance pad wear distribution and improve braking feel.
• Reinforced rim – adds stiffness without excessive weight, contributing to better handling dynamics.

Performance Characteristics

The VAICO V30-40002 is engineered for consistent performance across a wide range of temperatures. Its material composition and design yield:

• High thermal conductivity, maintaining optimal braking temperature during prolonged use.
• Low coefficient of friction variation, ensuring predictable stopping distances.
• Extended lifespan – the disc resists cracking and warping, even under heavy load.

Compatibility

This brake disc is specifically tailored for rear axles on a variety of Mercedes‑Benz models. The following list highlights the primary vehicles it supports:

• W123 Berline
• S Coupe
• SL Cabriolet (R107)
• C123 W111 Saloon
• Other classic Mercedes‑Benz models with a 279 mm rear disc requirement

Both left and right side discs are available, ensuring symmetrical braking performance.

Installation Guide

1. Remove the existing brake disc by loosening the wheel hub bolts and carefully lifting the wheel assembly.
2. Clean the mounting surface on the rear axle to eliminate debris or old grease.
3. Apply a thin layer of anti‑seize compound to the disc’s mounting flange for smooth removal in future service.
4. Position the new VAICO V30-40002 disc, aligning it with the axle shaft and ensuring proper seating.
5. Tighten the hub bolts to the manufacturer’s torque specification, typically around 70 Nm for most Mercedes models.
6. Reinstall the wheel and perform a brake system bleed if necessary.
7. Test drive at low speed to confirm proper braking response before normal use.

Maintenance Tips

• Inspect the disc surface for glazing or uneven wear every 10,000 km.
• Replace brake pads when pad thickness falls below 3 mm to maintain optimal contact.
• Avoid driving with a damaged or warped disc; replace immediately to prevent safety risks.
• Store the disc in a dry environment to prevent rust formation on the rim.

Technical Specifications

Conclusion

The VAICO V30-40002 Brake Disc stands out as a reliable, high‑quality component for Mercedes‑Benz enthusiasts seeking to preserve or enhance their vehicle’s braking performance. Its meticulous design, robust material selection, and proven compatibility make it an excellent choice for both everyday driving and spirited motoring.