Attempt re-solder K40 relay module and re-seat all fuses from two sides. The bus bar will bend whenever you thrust in the fuses through the major. If there is a thing wrong While using the engine control unit, the Onboard Diagnostics II (OBD2) will exhibit a few of the code, https://milozqgqd.blog-mall.com/20749073/how-much-you-need-to-expect-you-ll-pay-for-a-good-palm-coast-mercedes-dealer