* Engine Type: There were several engine options for the 1997 S320. Knowing the exact engine code (e.g., M104.980) is crucial for selecting the right oil.
* Oil Viscosity: The recommended viscosity (like 5W-30 or 10W-40) varies depending on the engine, climate you live in, and your driving habits.
* Oil Standards: Modern engines often require oils meeting specific industry standards (like ACEA or API). Your owner's manual will specify the appropriate standards.
How to Find the Right Oil:
1. Consult Your Owner's Manual: This is the most reliable source for oil recommendations.
2. Look Up Your Engine Code: Find the engine code on your vehicle's VIN sticker or engine itself.
3. Check Online Resources: Websites like Mercedes-Benz USA, Mercedes-Benz Owner's Manuals, or specialized automotive forums can provide guidance based on your specific engine.
4. Consult a Mechanic: Your local Mercedes-Benz dealer or a reputable mechanic can provide expert advice based on your car's condition and your location.
Important Note: Using the wrong oil can damage your engine. Always refer to your owner's manual or consult a qualified mechanic for the correct oil for your 1997 S320.
