CAR SPEC SHEET

2018 Ford Flex Transmission fluid

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Depends on your version. Choose yours, or compare them here.

  • 3.5L Duratec MERCON® LV type·10.9 qt capacity
  • 3.5L Ecoboost MERCON® LV type·11.6 qt capacity

2018 Ford Flex Owner's Manual, PDF pages 312, 311 and 315

Motorcraft® MERCON® LV Automatic Transmission FluidOpen the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed

Transmission fluid (type) · All versions · PDF page 312

Motorcraft® MERCON® LV Automatic Transmission Fluid

Transmission fluid (capacity) · 3.5L Duratec · PDF page 311

10.9 qt (10.3 L)

Transmission fluid (type) · All versions · PDF page 312

Motorcraft® MERCON® LV Automatic Transmission Fluid

Transmission fluid (capacity) · 3.5L Ecoboost · PDF page 315

11.6 qt (11 L)

See every quote (3 values)

All versions

3 values
Applies toValueManual saysPage
All versions MERCON® LVtype “Motorcraft® MERCON® LV Automatic Transmission Fluid” PDF page 312 ↗
3.5L Duratec 10.9 qtcapacity “10.9 qt (10.3 L)” PDF page 311 ↗
3.5L Ecoboost 11.6 qtcapacity “11.6 qt (11 L)” PDF page 315 ↗

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