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Home >> Mercedes Benz >> 1994 >> S600 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - LH-SFI System >> Self-Diagnostic System >> Clearing Diagnostic Trouble Codes
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Clearing Diagnostic Trouble Codes

  1. Press the start button for 2-4 seconds (DTC appears).
  2. Wait 3 seconds, press start button for 6-8 seconds, thereby clearing the previously displayed DTC from memory.
  3. Each stored DTC must be cleared individually.
  4. Turn ignition OFF and wait 15 seconds.
  5. Check if all DTC's are eliminated.
  6. Turn ignition ON.
  7. Repeat DTC readout. The number 1 (no DTC stored) must appear.