S 420 (140.043) V8-4.2L (119.981) (1996)
Parking Assist Control Module: Service and Repair
Quiescent current retention unit
disconnect, connect.
Ground lead on battery
disconnect, reconnect
Rear seat
remove, install
Control module (N62)
remove, install.
NOTE: Erase fault memory and/or code control module.
Commercially available tester
Quiescent current retention unit
e.g. Hans Zeheter CMP 12.2