Carquest Premium 084-1527. Brake pad wear Sensor. R-Class (2006–2012) : FitsR320, R350, R500, andR63 AMG (both front and rear). S-Class (2003–2006) : FitsS430 andS500 (front position). G-Class (2011–2018) : FitsG55 AMG, G63 AMG, andG65 AMG (typically rear).
