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.
1995 Mercedes Benz S320FACTORY OEM SERVICE PROCEDURE
Service Precautions
When servicing vehicle, the following precautions must be followed when using Hand-Held Tester (HHT):
- DO NOT connect or disconnect Hand-Held Tester (HHT) to vehicle with ignition on. Voltage is supplied to HHT through data link connector.
- ALWAYS connect multiplexer cable to HHT first, then to data link connector.
- DO NOT connect HHT to 110-volt or 220-volt power source.
- Keep HHT away from strong magnetic fields, such as welding equipment.
- DO NOT expose HHT to water, brake fluid, thinners, etc.
Factory Service Tools
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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.