One problem related to brake sensor has been reported for the 2014 Mercedes Benz E550. The most recently reported issues are listed below.
In stop and go traffic approaching an intersection on a wet road, the can bus failed, disabling all or nearly all safety systems. At the time, numerous warning messages and lights appeared on the dash for srs, abs, seatbelt pretensioner, etc. The engine would not turn off using the start-stop button, and the vehicle would not shift out of drive. According the dealer service center, a rear blind spot radar sensor is corroded, and caused a short in the can bus. . Read more...