The Lincoln MKX generally uses Mercon LV automatic transmission fluid. This specification covers the 6-speed automatic transmissions used in most MKX models. Always verify with your vehicle’s manual or VIN tag, since configurations can vary by year and transmission family.
To understand why this matters, the MKX relies on Ford’s 6-speed automatic transmission family (commonly referred to as the 6F50/6F35). Ford moved many of these transmissions to the Mercon LV specification, a newer, low-viscosity fluid designed for smoother shifts and better wear protection. Using the correct fluid helps maintain shifting performance and protects the transmission over time.
Fluid specification and model years
The following list summarizes the official specification for typical Lincoln MKX configurations with the 6-speed automatic transmission family.
- Mercon LV automatic transmission fluid is the standard requirement for most Lincoln MKX models equipped with the 6-speed automatic transmissions (6F50/6F35 family).
- Use only manufacturer-approved equivalents that explicitly meet the Mercon LV specification (for example, Motorcraft Mercon LV). Do not substitute with older Mercon V, Dexron variants, or other fluids unless Ford's documentation for your VIN allows it.
When in doubt, consult the owner’s manual or contact a Lincoln dealer with your VIN to confirm the exact fluid specification for your specific vehicle. Transmission requirements can vary by production year and software calibrations.
How to service or replace the transmission fluid
Before attempting a transmission fluid change, note that the MKX’s transmission is a precision, sealed system. If you are not experienced with transmission service, consider having a professional perform the work. If you proceed yourself, use the correct Mercon LV fluid and follow safe fluid-management practices:
- Warm the vehicle to operating temperature to ensure an accurate fluid level.
- Raise the vehicle, place it securely on jack stands, and position a drain pan under the transmission.
- Drain the old fluid, replace the drain plug, and refill with the manufacturer-recommended quantity of Mercon LV until the level indicates full on the dipstick.
- If a filter or cooler line service is required, follow proper procedures and torque specifications.
After service, run through the gears with the vehicle at idle, recheck the level, and test drive to verify smooth shifting and no leaks. Do not mix fluids of incompatible specifications, and always adhere to the official fluid recommendation for your VIN.
Maintenance tips and considerations
Proper fluid selection is just one part of transmission health. Regular checks of fluid level and condition, prompt attention to slipping or hard shifting, and adherence to Ford/ Lincoln service guidelines help protect the drivetrain over the long term. If you notice unusual noises, slipping, or delayed engagement, consult a certified technician to diagnose potential transmission issues beyond just the fluid.
Summary
For most Lincoln MKX models with the 6-speed automatic transmission, Mercon LV is the recommended fluid. Always verify the exact specification for your vehicle using the owner’s manual or by checking the VIN, as there can be variation by year and transmission configuration. Use manufacturer-approved Mercon LV fluids, perform regular checks, and seek professional help for service beyond basic top-offs.
Can low transmission fluid cause stuttering?
If shuddering occurs primarily between 30-45 mph, this suggests torque converter problems related to low fluid levels. This specific speed range often reveals transmission issues that might not be noticeable at other speeds.
How much transmission fluid does a 2013 Lincoln MKX take?
For Automatic Transmission: 6F55....MLV
| Capacity: | 6 speed 6F55 Total Fill 11.1 quarts. |
|---|---|
| Capacity: | 4.5 quarts Initial Fill. |
What type of transmission fluid does a Lincoln MKX take?
FRAM – FRAM Full Synthetic Dexron VI Automatic Transmission Fluid, 1 Quart (Part No. F426)
What kind of transmission fluid do I need for a 2008 Lincoln MKX?
Motorcraft – Mercon LV Automatic Transmission Fluid, Smooth Gear Shifts, 1 Quart (Part No. XT10QLVC) The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.