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.
1996 Mercedes Benz S320FACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes - Diagnostic Module
- Identification
- Component Locations
- Using Diagnostic Charts
- Self-Diagnostic System
- Diagnostic Trouble List
- Connector Identification
- System Tests
- Notes
- Preparation For Test (Section 22)
- Electrical System Tests (Section 23)
- Notes
- Electrical System Tests - Section 23 (Steps 1.0-2.1)
- Electrical System Tests - Section 23 (Steps 3.0-5.0)
- Electrical System Tests - Section 23 (Steps 6.0-7.0)
- Electrical System Tests - Section 23 (Steps 8.0-9.0)
- Electrical System Tests - Section 23 (Steps 10.0-11.1)
- Electrical System Tests - Section 23 (Steps 12.0-12.2)
- Electrical System Tests - Section 23 (Step 13.0)
- Electrical System Tests Illustrations (Section 23)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.