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 SL320FACTORY OEM SERVICE PROCEDURE
Model Identification
NOTE:
This diagnostic information applies to 1997-99 models with engine 104 (inline 6-cylinder) equipped with Motor Electronics Sequential Fuel Injection (ME-SFI).
MODEL IDENTIFICATION (1997-99)
| Model | Chassis/Model Number | Engine Number |
|---|---|---|
| C280 (1997) | 202.028 | 104.941 |
| C36 (1997) | 202.028 | 104.941 |
| E320 (Sedan) | 210.055 | 104.995 |
| S320 (Standard Wheelbase) | 140.032 | 104.994 |
| S320 (Long Wheelbase) | 140.033 | 104.994 |
| SL320 | 129.063 | 104.991 |
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.