{"product_id":"mercedes-benz-amg-gls63-x167-carbon-ceramic-brake-kits","title":"2020-2026+ Mercedes-AMG GLS63 (X167) Carbon Ceramic Brake Kit","description":"\u003cdiv class=\"sfx\"\u003e\n\u003csection class=\"box red\"\u003e\u003ch2\u003e2020-2026+ Mercedes-AMG GLS63 (X167) Carbon Ceramic Brake Kit — OEM-Size Replacement\u003c\/h2\u003e\n\u003cp\u003eThe X167 Mercedes-AMG GLS63 puts 603 hp and roughly three tons of SUV on a 400 mm front \/ 370 mm rear AMG brake package, so rotor heat, pad dust, and front-end mass are the real reasons owners look beyond OEM iron service parts. This StopFlex OEM-size replacement kit keeps the factory rotor diameters and caliper locations while replacing the wear system with carbon-ceramic rotors, matched pads, hats, and floating hardware for lower unsprung weight, cleaner wheels, and better heat stability on repeated high-speed stops.\u003c\/p\u003e\n\u003cul class=\"check\"\u003e\n\u003cli\u003e\u003cspan\u003eBuilt only for 2020-2026+ Mercedes-AMG GLS63 X167 applications using the 400 mm front and 370 mm rear AMG rotor setup listed on this page.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOEM-size carbon-ceramic rotors reuse the GLS63 caliper positions, so the braking package is aimed at replacement fitment rather than a caliper conversion.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCarbon-ceramic rotor mass reduction is most noticeable on the GLS63 front axle, where the large 400 mm discs sit behind heavy AMG SUV wheels and tires.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"box red\"\u003e\u003ch2\u003eFitment Hard Lines\u003c\/h2\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth class=\"accent\"\u003eField\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003eMercedes-AMG GLS63 (X167)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel years\u003c\/td\u003e\n\u003ctd\u003e2020-2026+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront rotor reference\u003c\/td\u003e\n\u003ctd\u003eGLS63: 400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear rotor reference\u003c\/td\u003e\n\u003ctd\u003eGLS63: 370mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePage type\u003c\/td\u003e\n\u003ctd\u003eOEM-size carbon ceramic replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum wheel size\u003c\/td\u003e\n\u003ctd\u003e20\" (for the 400 mm rotor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"sf-emph\"\u003e\u003cp\u003eFor OEM replacement orders, StopFlex builds around the factory rotor specification shown for this vehicle. Front floating-caliper setups require manual review before production. If the car uses aftermarket calipers such as Brembo, AP Racing, Alcon, or Wilwood, the order can still be built, but the exact caliper model, pad shape, and rotor dimensions must be confirmed before production.\u003c\/p\u003e\u003c\/div\u003e\n\u003cp\u003eThis setup uses a 400 mm rotor, so the minimum wheel size is 20\". Wheels under 20\" will not clear the caliper and rotor, and spoke profile and offset affect clearance too — confirm your exact wheels before ordering.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eWhy StopFlex CCB\u003c\/h2\u003e\n\u003cdiv class=\"grid g3\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eLower Unsprung Mass\u003c\/h3\u003e\n\u003cp\u003eStopFlex carbon-ceramic rotors are engineered to reduce rotor mass versus comparable iron discs, helping the suspension react cleaner and the steering feel more precise.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eHigh-Temperature Stability\u003c\/h3\u003e\n\u003cp\u003eThe carbon-silicon-carbide matrix is built for stable braking behavior at temperatures that can push iron rotors into heavy fade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eRust-Free Rotor Surface\u003c\/h3\u003e\n\u003cp\u003eCarbon ceramic does not form orange flash rust after rain, washing, or storage, keeping the visible rotor face cleaner behind open wheels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eLong Street-Service Potential\u003c\/h3\u003e\n\u003cp\u003eIn normal road use with matched pads and proper bedding, StopFlex CCB rotors are designed for far longer service life than typical iron replacement rotors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eLow Visible Dust\u003c\/h3\u003e\n\u003cp\u003eWhen paired with matched StopFlex pads, the system produces very low visible brake dust compared with conventional iron rotor and pad combinations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003ePremium Ceramic-Glaze Appearance\u003c\/h3\u003e\n\u003cp\u003eStopFlex's proprietary coating creates a bright, high-end ceramic-glaze finish with subtle glaze texture and a more premium visual character behind open wheels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eStreet-Usable Cold Bite\u003c\/h3\u003e\n\u003cp\u003eStreet Spec and Track-Day Spec rotors are designed for normal first-stop road use, including cold-weather operation. Motorsport Spec is the competition-focused exception.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eContinuous Fiber Reinforcement\u003c\/h3\u003e\n\u003cp\u003eLong-fiber carbon ceramic construction improves structural strength and thermal durability versus chopped-fiber approaches.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch3\u003eCustom Rotor Hat Color\u003c\/h3\u003e\n\u003cp\u003eEvery StopFlex OEM replacement order can be built with a custom rotor hat color, giving the carbon ceramic rotor package a cleaner match with the wheel, body color, and overall build style.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eHeat Management Note\u003c\/h2\u003e\n\u003cp\u003eCarbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat can still soak into pads, fluid, seals, calipers, wheels, and nearby components. For long track sessions, mountain descents, or sustained aggressive driving, brake cooling and high-temperature fluid are still recommended.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eStreet \/ Track-Day \/ Motorsport Rotor Options\u003c\/h2\u003e\n\u003cdiv class=\"grid g3\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/StopFlex_Street_CCB_Rotor.jpg?v=1773907551\" alt=\"StopFlex Street Spec carbon ceramic brake rotor\"\u003e\u003ch3\u003eStreet Spec\u003c\/h3\u003e\n\u003cp\u003eCeramic coating, cross-drilled face, and large cooling channels.\u003c\/p\u003e\n\u003cp\u003eBest for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/StopFlex_Trackday_CCB_Rotor.jpg?v=1773907551\" alt=\"StopFlex Track-Day Spec carbon ceramic brake rotor\"\u003e\u003ch3\u003eTrack-Day Spec\u003c\/h3\u003e\n\u003cp\u003eCeramic coating, blank face, and honeycomb cooling channels.\u003c\/p\u003e\n\u003cp\u003eBest for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/StopFlex_Racing_CCB_Rotor.jpg?v=1773907551\" alt=\"StopFlex Motorsport Spec carbon ceramic brake rotor\"\u003e\u003ch3\u003eMotorsport Spec\u003c\/h3\u003e\n\u003cp\u003eUncoated blank face with honeycomb cooling channels.\u003c\/p\u003e\n\u003cp\u003eBest for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003ePackage Scope\u003c\/h2\u003e\n\u003cdiv class=\"scroll\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth class=\"accent\"\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCB rotors\u003c\/td\u003e\n\u003ctd\u003eFull-car set by default\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCCB brake pads\u003c\/td\u003e\n\u003ctd\u003eMatched for StopFlex carbon ceramic rotors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7075 aluminum floating rotor hats\u003c\/td\u003e\n\u003ctd\u003eVehicle-specific fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless floating hardware\u003c\/td\u003e\n\u003ctd\u003eFull-car hardware set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor hat color\u003c\/td\u003e\n\u003ctd\u003eCustom rotor hat colors are available for every OEM replacement order.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder scope\u003c\/td\u003e\n\u003ctd\u003eDefault listing is full-car set. Front-only or rear-only orders can be arranged after confirmation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"box\"\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this kit fit every X167 GLS-Class?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eNo. This page is limited to the Mercedes-AMG GLS63 X167 with the listed 400 mm front and 370 mm rear rotor sizes. It is not a fitment claim for GLS450, GLS580, Maybach GLS, or any GLS63 with a different brake package.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the rear electronic parking brake still work?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eThe kit is specified as an OEM-size replacement with rear hats and hardware for the GLS63 brake layout, so it is intended to retain the factory rear parking-brake function. Confirm your VIN, rear rotor size, and EPB configuration before ordering.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy switch from the factory iron brakes on a GLS63?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eThe factory 400\/370 mm iron system has the thermal capacity for normal street use, but repeated high-speed braking in a heavy AMG SUV can drive heat into the rotors and pads. Carbon-ceramic rotors reduce rotating mass, shed less visible brake dust, and maintain more consistent friction behavior under repeated heat cycles.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should I verify before placing the order?\u003c\/summary\u003e\u003cdiv class=\"a\"\u003e\u003cp\u003eConfirm the vehicle is a 2020-2026+ AMG GLS63 X167, verify 400 mm front and 370 mm rear rotor sizes, check that the current calipers and wheels are the factory GLS63 brake fitment, and disclose any prior brake retrofit or wheel-spacer changes.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"cta\" id=\"contact_form_page\"\u003e\u003ch2\u003eNeed Fitment Confirmation?\u003c\/h2\u003e\n\u003cp\u003eSend the exact vehicle details, current rotor sizes, and caliper type before ordering.\u003c\/p\u003e\n\u003cdiv class=\"cta-row\"\u003e\n\u003ca class=\"btn\" href=\"\/pages\/carbon-ceramic-brakes\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCarbon Ceramic Brakes: Buying \u0026amp; Fitment Guide\u003c\/a\u003e\u003ca class=\"btn ghost\" href=\"#contact_form_page\"\u003eConfirm Fitment\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"StopFlex","offers":[{"title":"Default Title","offer_id":47895415324931,"sku":"100159","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/8933\/5811\/files\/Mercedes-Benz-AMG-GLS63-X167-CCB-Brake_cf2ba544-31e3-41b3-940d-4f184492c42d.jpg?v=1776240958","url":"https:\/\/stopflex-ccb.com\/products\/mercedes-benz-amg-gls63-x167-carbon-ceramic-brake-kits","provider":"StopFlex","version":"1.0","type":"link"}