2018 Ford C-Max Maintenance
Manufacturer-Recommended Service Schedule
The manufacturer-recommended maintenance schedule for the 2018 Ford C-Max is shown above. Keeping up with these service intervals prevents premature wear, maintains fuel economy, and protects your powertrain warranty.
The most critical intervals are engine oil changes (typically every 5,000–10,000 miles for full synthetic), tire rotation (every 5,000–7,500 miles), and brake fluid (every 2–3 years). Always verify intervals against your owner's manual — the schedule varies by driving conditions.
| Service Item | Interval | Notes |
|---|---|---|
| Engine Oil & Filter | 10,000 mi / 12 mo | Motorcraft 5W-20 full synthetic, 4.3 qt (2.0L Atkinson); less frequent due to EV mode |
| Tire Rotation | 7,500 mi / 6 mo | Rotate every 7,500 mi |
| Cabin Air Filter | 20,000 mi / 24 mo | Replace more often in dusty conditions |
| Engine Air Filter | 45,000 mi / 48 mo | Inspect at 22,500 mi |
| Brake Fluid | 37,500 mi / 36 mo | DOT 4; less wear due to regenerative braking |
| Transmission Fluid | 45,000 miles | eCVT; Ford-approved CVT fluid; inspect at 60,000 mi |
| Coolant | 150,000 miles | Multiple cooling circuits; Motorcraft Orange; inspect annually |
| Spark Plugs | 100,000 miles | Motorcraft iridium; reduced wear due to EV mode |
| Serpentine Belt | 90,000 miles | No traditional serpentine belt; electric accessories |
| Battery Coolant | 150,000 miles | HV battery coolant; Ford-approved coolant; inspect level annually |
| 12V Battery | 48 months | 12V auxiliary battery; inspect annually |
Key Fluid & Maintenance Specs
Motor Oil
5W-20 Full Synthetic — 5.7 qt
Lug Nut Torque
100 ft-lbs
Brake Fluid
DOT 3
Coolant
Motorcraft Gold (OAT)
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