Girodisc Mercedes 330mm Rear Rotors

Girodisc 330mm rear rotors offer a direct OEM replacement solution engineered for Mercedes performance and reliability. These lightweight two-piece rotors improve cooling efficiency, reduce unsprung mass, and maintain perfect balance between braking power and factory ABS operation. Ideal for spirited street driving or track use, they deliver superior stopping performance without compromising comfort or noise levels.
Vehicle Fitment
Compatible with the following Mercedes-Benz and AMG models equipped with 330mm rear rotors:
• A45 AMG (W176, 2013–2018)
• CLA45 AMG (C117, 2013–2019)
• A35 AMG (W177, 2018+)
• CLA35 AMG (C118, 2018+)
• GL-Class (GL320, GL350 – select trims)
• ML-Class (ML320, ML350 – select trims)
• R-Class (R320, R350 – select trims)
Direct OEM replacement – bolts directly to factory calipers and hardware with no modifications required.
Precision Engineering, Race-Proven Design
The Girodisc system replaces the factory one-piece rotor with a two-piece floating design for maximum performance and thermal control. Each aluminum hat is CNC-machined from 6061-T6 aircraft-grade material and hard-anodized for strength and corrosion resistance. The proprietary cast iron rotor rings are poured and machined in the USA, featuring a curved vane structure that acts as a centrifugal pump to pull air through the disc for optimal cooling.
Features
• Direct replacement for OEM Mercedes 330mm rear rotors
• Lightweight two-piece floating design
• CNC-machined 6061-T6 aluminum hats
• Proprietary high-carbon cast iron friction rings
• Curved vane internal cooling for high thermal efficiency
• Cadmium-plated steel drive pins for durability
• Anti-noise spring washers eliminate rattle and vibration
• Rebuildable design – replace only the iron rings when needed
• Made in the USA
• Sold/priced per pair
Girodisc A2-022 Rear Rotor FAQs:
Are these rotors compatible with factory calipers? Yes. The Girodisc A2-022 rotors are designed to bolt directly to your Mercedes hub and work perfectly with the OEM calipers and hardware.
What’s the main difference from the dimpled and slotted version? The A2-022 uses a smooth surface for maximum pad life and quiet operation, while the A2-022DS adds extra bite and debris clearing for aggressive use.
Do they require any special brake pads? No. Girodisc rotors are compatible with OEM or aftermarket pads, giving you flexibility for street or track use.
Why choose Girodisc over OEM rotors? Girodisc rotors are lighter, rebuildable, and engineered for improved heat management—delivering better performance and reduced long-term cost compared to factory rotors.
Experience the balance of precision engineering and race-proven performance with Girodisc Mercedes 330mm rear rotors, the perfect upgrade for drivers who demand confidence under every stop.