Thread Size: M8 x 12; Required quantity: 2. This bolt is designed for use with brake discs in a variety of Volkswagen, Mercedes-Benz, and Maybach vehicles. Vehicle compatibility includes: VW CRAFTER models, MERCEDES-BENZ E-Klasse, C-Klasse, A-Klasse, B-Klasse, SPRINTER, VITO, M-Klasse, GLK, SLK, CLK, GLC, GLA, VANEO, CLA, S-Klasse, R-Klasse, CLS, and MAYBACH 57, 62. It is also compatible with specific Mercedes-Benz chassis numbers like W211, S204, W203, W169, W212, S211, W245, S212, S205, 906, S203, W639, W164, W205, W221, X253, W166, C219, 414, X156, W447, C207, C117, W220, W251, V251, C218, 907, 910, C204, X117, W177, CL203, S213, W253, and W176. Equivalent part numbers are 2204210171, A2204210171, and WHT000654.