P0715 Mercedes-Benz - where is the sensor loca

Question

Where is the input speed sensor on a Mercedes Benz s 500

Answer 1

P0715 Input / Turbine speed sensor circuit malfunction

This is also know as the RPM sensor n3. Depending on the year of the vehicle the whole  board will need to be replaced

.If there is more than one speed sensor at fault, replace the transmission control unit that is bolted to the electronic hydraulic controler reset the adaptaions.