Crankshaft Position (CKP) Sensor Adaption
WARNING: This page is about a different car, the 1997 Mercedes-Benz SL320, 1997 Mercedes-Benz E320, 1997 Mercedes-Benz C36, and 1997 Mercedes-Benz C280. 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, motor mount, 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 4, increase engine speed to approximately more than 2500 RPM, then coast until engine speed is less than 1500 RPM. Change gear selector to position 2. Increase engine speed to approximately 6100 RPM, then coast until engine speed is less than 4100 RPM. Again increase engine speed to approximately 6100 RPM, then coast until engine speed is less than 3000 RPM. Using scan tool, verify VSS adaptation has occurred.