2003 Mercury Mountaineer coolant capacity
The 2003 Mercury Mountaineer holds about 13.9 to 16.3 quarts of coolant, depending on the engine - the full cooling-system capacity when cold.
Key takeaways
- The 2003 Mercury Mountaineer holds about 13.9 to 16.3 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Refill to the marked level, and use the coolant type your owner's manual specifies.
| Engine | Capacity | Liters |
|---|---|---|
| 4.0 V6 AWD | 13.9 qt | 13.2 L |
| 4.0 V6 AWD | 16.3 qt | 15.4 L |
| 4.6 V8 24V AWD | 15.7 qt | 14.9 L |
| 4.9 V8 AWD | 14.3 qt | 13.5 L |
When refilling, add coolant to the marked level rather than forcing in the full figure. Source.