Crankshaft Position (CKP) Sensor Adaption
WARNING: This page is about a different car, the 1998 Mercedes-Benz SL500, 1997 Mercedes-Benz SL500, 1997 Mercedes-Benz E420, and 1996 Mercedes-Benz SL500. However, it is still accessible from the selected car via links, so may be relevant.
After replacing an Engine Control Module (ECM), Crankshaft Position (CKP) sensor, starter ring gear, replacement of engine, after performing uneven running engine test, sensor adaptation must be performed. Run engine until coolant temperature is more than 158°F (70°C). Drive vehicle. With gear selector in position 3, increase engine speed to approximately more than 3500 RPM, then coast until engine speed is less than 1200 RPM. Using scan tool, verify VSS adaptation has occurred.