Diagnosis & Testing: Notes

NOTE: Only C220 and C280 vehicles are equipped with On-Board Diagnostics II (OBD II).

The C220 and C280 vehicles are equipped with a self-diagnostic capability for trouble shooting. Vehicles are tested reading stored Diagnostic Trouble Codes (DTCs). Diagnostic modules are now referred to as diagnostic module (OBD II). Diagnostic information can be retrieved using a generic scan tool or Hand-Held Tester (HHT) (965 589 00 01 00) and Multiplexer Cable (965 589 00 40 00). Control module will permit testing approximately 10 seconds after engine starting procedure is completed.