GCX(R) uses RS200TM zinc-aluminum coating for optimal corrosion resistance. The robotically applied coating is a market leader in corrosion resistance, achieving over 200 hours of salt spray corrosion testing.. Mercedes-Benz CLS400 2017-2015, CLS500 2006, CLS550 2011-2007, E320 2005-2004, E350 2016-2006, E400 2016-2013, E500 2006-2003, E550 2009-2007, GLK250 2015-2013, GLK280 2009, GLK300 2013-2010, GLK350 2015-2010. 2 Coating Types Partially or Fully coated to match OE friction type; means the right rotor for your car; Road Ready From the box to your vehicle; no additional prep needed. C-Tek; Centric; Standard brake rotor; brake rotor; break rotor; rotors; rotor. Centric 15-17 Mercedes-Benz CLS400 GCX Brake Rotors - Rear. For consistent and confident braking from the first stop. For optimal heat transfer and structural strength. Centric GCX Rotor with Full Coating. Carbon Enhanved Advanced Metallurgy. OE Vane Design and Plate Thickness. RS200TM Zinc-Aluminum Rich Coating. For smooth vibration free stopping. For vibration free performance. For heat capacity and strength. GCX Rotor with Full Coating. Low Initial Lateral Run-Out. Optimal Surface Finish. Precision Balance. GCX Brake Rotor

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