Which cars take the GiroDisc Rear Rotors for Mercedes-AMG E63 and GT53?

GiroDisc lists the GiroDisc Rear Rotors for Mercedes-AMG E63 and GT53 models under part number A2-248. Because both nameplates have been built across several generations, confirm the model and the existing rear rotor with Bulletproof Automotive before ordering if there is any doubt.

Will the E63 rear calipers need to be modified?

No. GiroDisc describes the rotor as a direct replacement for the original disc that bolts to the car and works with the factory calipers. Nothing in the hydraulic system changes, so the bias between front and rear brakes and the ABS calibration stay as Mercedes-AMG set them.

How does the floating mount on the E63 rotor work?

Ten alloy steel drive pins carry the braking load from the iron ring to the aluminum hat while letting the ring move slightly in both directions as it heats. Spring washers on the pins hold it quiet when cold, so the ring can expand without distorting the assembly.

What does the dimpled version of this E63 rotor change?

GiroDisc sells the A2-248DS as a separate part with a dimpled and slotted friction face in place of the standard face. Both versions share the two-piece floating construction with aluminum hats and ten drive pins, and each has its own replacement ring part number, D2-248 or D2-248DS.

Can the GT53 rear rings be replaced without new hats?

Yes. The aluminum hats are reusable, and GiroDisc sells the D2-248 replacement ring pair with new hardware for this rotor. When the rings reach the minimum thickness marked on the hat and ring edge, only the iron is replaced and the hats return to service.

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Description

GiroDisc Rear Rotors for Mercedes-AMG E63 and GT53

GiroDisc’s Rear Rotors for Mercedes-AMG E63 and GT53 replace the factory rear discs on two different AMG models that GiroDisc groups under one part number, the E63 and the GT53. Each rotor floats a GiroDisc cast iron ring, poured in the USA and machined in Bellingham, Washington, on a hat of US-sourced 6061-T6 aluminum. It bolts to the hub and works with the factory calipers, so no modification is needed. Owners who use the full performance of these cars on fast roads get a lighter, cooler-running rear axle without touching the hydraulics.

Bolt-On and Go

Installation is a straight swap: the GiroDisc Rear Rotors for Mercedes-AMG E63 go on in place of the original discs and the calipers refit as before, which keeps the factory brake bias and ABS efficiency intact. Ten high-strength alloy steel drive pins, cadmium plated and secured by class 12.9 cap screws, connect ring and hat. Curved vanes pump cooling air through the disc as it turns.

Features

Direct replacement for the factory rear disc
Retains the original rear calipers
Ten cadmium-plated alloy steel drive pins
Class 12.9 cap screws with hardened washers
Curved centrifugal cooling vanes
Anti-noise spring washers for quiet float

What’s Included

Rear rotor assemblies (L/R)

Applications

Mercedes-AMG E63: direct replacement for the factory rear rotors
Mercedes-AMG GT53: direct replacement for the factory rear rotors

Notes

Renew the iron later with the GiroDisc E63 and GT53 rear replacement rings
A dimpled and slotted version is listed as the GiroDisc E63 and GT53 dimpled slotted rear rotors
Cap screws are never tightened beyond 60 in-lb (7 Nm)
Stock photography may not depict the actual product

Frequently Asked Questions

Which cars take the GiroDisc Rear Rotors for Mercedes-AMG E63 and GT53? GiroDisc lists the GiroDisc Rear Rotors for Mercedes-AMG E63 and GT53 models under part number A2-248. Because both nameplates have been built across several generations, confirm the model and the existing rear rotor with Bulletproof Automotive before ordering if there is any doubt.
Will the E63 rear calipers need to be modified? No. GiroDisc describes the rotor as a direct replacement for the original disc that bolts to the car and works with the factory calipers. Nothing in the hydraulic system changes, so the bias between front and rear brakes and the ABS calibration stay as Mercedes-AMG set them.
How does the floating mount on the E63 rotor work? Ten alloy steel drive pins carry the braking load from the iron ring to the aluminum hat while letting the ring move slightly in both directions as it heats. Spring washers on the pins hold it quiet when cold, so the ring can expand without distorting the assembly.
What does the dimpled version of this E63 rotor change? GiroDisc sells the A2-248DS as a separate part with a dimpled and slotted friction face in place of the standard face. Both versions share the two-piece floating construction with aluminum hats and ten drive pins, and each has its own replacement ring part number, D2-248 or D2-248DS.
Can the GT53 rear rings be replaced without new hats? Yes. The aluminum hats are reusable, and GiroDisc sells the D2-248 replacement ring pair with new hardware for this rotor. When the rings reach the minimum thickness marked on the hat and ring edge, only the iron is replaced and the hats return to service.

About GiroDisc

GiroDisc designs, manufactures, and sells 2-piece, fully floating brake rotors for a wide range of performance vehicles. Every major component, including the hats, rotor rings, and drive pins, is manufactured in-house at their facility in Bellingham, Washington, from domestically sourced materials. GiroDisc rotors use a proprietary high-carbon iron ring formulated for superior metallurgy and thermal performance, paired with reusable machined-aluminum hats that reduce the long-term cost of maintaining a high-performance brake system. The 2-piece floating design sheds unsprung and rotating mass while remaining street-friendly, delivering race-proven braking for track and street use alike.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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GiroDisc Rear Rotors for Mercedes-AMG E63 and GT53 [A2-248]

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GiroDisc Rear Rotors for Mercedes-AMG E63 and GT53

Bolt-On and Go

Features

What’s Included

Applications

Notes

Frequently Asked Questions

About GiroDisc

Reviews