The maintenance cost of the IS 300c can vary depending on several factors.

To keep the vehicle in good condition, you need to consider regular servicing.

This includes changing the engine oil, filters, and inspecting various components.

The cost of these routine maintenance tasks can range from a few hundred to over a thousand dollars.

When it comes to parts replacement, it depends on what needs to be fixed or replaced.

For example, brakes and tires might need to be changed periodically, and their costs can add up.

The cost of maintaining the electrical and electronic systems can also be significant.

If there are any issues with the sensors or control units, the repair or replacement can be expensive.

To control the maintenance cost, it's a good idea to follow the manufacturer's recommended maintenance schedule.

This can help prevent major breakdowns and reduce the overall cost in the long run.

Also, choosing a reliable repair shop and using genuine parts can ensure the quality of the maintenance work.

In conclusion, the maintenance cost of the IS 300c can be managed by being proactive and taking proper care of the vehicle.