... . (Classes A, B, C, CL, CLS, E, G, GL, GLK, M, R, S, SL, SLK, SLS) Ceramic (NAO) | Low-Metallic | Semi ... a result, our brake pads performed significantly higher than original equipment service (OES) brake pads in independent tests. In fact, all United ... . Classes: A, B, C, CL, CLS, E, G, GL, GLK, M, R, S, SL, SLK, SLS. OE No.:163 420 03 ...