Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1997 Mercedes Benz E300FACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Understanding Diagnostic Information
- Symptom Diagnostics
- Diagnostic Tests
- Notes
- Fault Code Diagnosis
- Fault Code Diagnosis P1612 & P1615 (Step 1.0-2.0)
- Fault Code Diagnosis P1610 & P0115 (Step 3.0-4.0)
- Fault Code Diagnosis P0115 & P0110/P0111 (Step 4.1-5.0)
- Fault Code Diagnosis P0110/P0111 & P0105 (Step 5.1-6.1)
- Fault Code Diagnosis P1335/P0725 (Step 7.0-7.1)
- Fault Code Diagnosis P1220/P1614/P0200 & P1223/P1614/P0200 (Step 8.0-9.2)
- Fault Code Diagnosis P1222/P0220 & P1705 (Step 10.0-11.0)
- Fault Code Diagnosis P0703 (Step 12.0-12.2)
- Fault Code Diagnosis P0703 (Step 13.0-13.2)
- Fault Code Diagnosis P1520 & P0500 (Step 14.0-15.0)
- Fault Code Diagnosis P1520 (Step 16.0)
- Fault Code Diagnosis P1625 (Step 17.0)
- Fault Code Diagnosis P1700 & P1781 (Step 19.0-21.1)
- Fault Code Diagnosis P1622/P0200 (Step 22.0-22.2)
- Fault Code Diagnosis P0180/P0181 (Step 23.0-24.0)
- Fault Code Diagnosis P0600 & P1475/P0200 (Step 25.0-26.1)
- Fault Code Diagnosis P1476/P0200 (Step 27.0-28.0)
- Fault Code Diagnosis P1401/P0403 (Step 29.0-30.1)
- Fault Code Diagnosis P0400 & P1470/P0120 (Step 31.0-32.0)
- Fault Code Diagnosis P1480/P0380 & P1480/P0380 (Step 1.0-2.2)
- Fault Code Diagnosis P1480/P0380 (Step 2.2-3.0)
- Fault Code Diagnosis P1480/P0380 (Step 4.0-4.1)
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.